Monmouthshire weather

The Monmouthshire weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for Monmouthshire, Wales.

Monmouthshire weather averages

Check the Monmouthshire weather averages for each month of the year including maximum daytime and minimum night-time temperatures, monthly rainfall, number of days with rain and average daily hours of sunshine for Monmouthshire, Wales. The Monmouthshire weather averages shown below are for Abergavenny.

Max Day Temperature (°C)

Hours of Sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec

Days with some Rainfall

Min Night Temperature (°C)

Monthly Rainfall (mm)

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Monmouthshire weather by month

Check the weather for Monmouthshire, Wales for a particular month by selecting from the list below. The Monmouthshire monthly weather averages are for Abergavenny. This gives the best indication of what to expect from the weather months in advance.

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Monmouthshire weather in January

The average maximum daytime temperature in Monmouthshire (Abergavenny) in January is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Monmouthshire (Abergavenny) during January.

  • 6°C maximum daytime temperature in January in Monmouthshire (Abergavenny)6
    6°C max day temperature
  • 2 hours of sunshine per day in January in Monmouthshire2
    2 hours of sunshine per day
  • 20 days with some rainfall in January in Monmouthshire (Abergavenny)20
    20 days with some rainfall
  • 1°C minimum night-time temperature in January in Monmouthshire (Abergavenny)1
    1°C min night temperature
  • 165 mm monthly rainfall in January in Monmouthshire (Abergavenny)165
    165 mm of monthly rainfall

On average 165 mm (6.5 inches) of rain normally falls in Monmouthshire (Abergavenny) during January with rain falling on 20 days of the month.

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Monmouthshire weather in February

The average maximum daytime temperature in Monmouthshire (Abergavenny) in February is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Monmouthshire (Abergavenny) during February.

  • 7°C maximum daytime temperature in February in Monmouthshire (Abergavenny)7
    7°C max day temperature
  • 2 hours of sunshine per day in February in Monmouthshire2
    2 hours of sunshine per day
  • 16 days with some rainfall in February in Monmouthshire (Abergavenny)16
    16 days with some rainfall
  • 1°C minimum night-time temperature in February in Monmouthshire (Abergavenny)1
    1°C min night temperature
  • 120 mm monthly rainfall in February in Monmouthshire (Abergavenny)120
    120 mm of monthly rainfall

On average 120 mm (4.7 inches) of rain normally falls in Monmouthshire (Abergavenny) during February with rain falling on 16 days of the month.

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Monmouthshire weather in March

The average maximum daytime temperature in Monmouthshire (Abergavenny) in March is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 3 hours of sunshine a day in Monmouthshire (Abergavenny) during March.

  • 9°C maximum daytime temperature in March in Monmouthshire (Abergavenny)9
    9°C max day temperature
  • 3 hours of sunshine per day in March in Monmouthshire3
    3 hours of sunshine per day
  • 18 days with some rainfall in March in Monmouthshire (Abergavenny)18
    18 days with some rainfall
  • 2°C minimum night-time temperature in March in Monmouthshire (Abergavenny)2
    2°C min night temperature
  • 114 mm monthly rainfall in March in Monmouthshire (Abergavenny)114
    114 mm of monthly rainfall

On average 114 mm (4.5 inches) of rain normally falls in Monmouthshire (Abergavenny) during March with rain falling on 18 days of the month.

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Monmouthshire weather in April

The average maximum daytime temperature in Monmouthshire (Abergavenny) in April is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 5 hours of sunshine a day in Monmouthshire (Abergavenny) during April.

  • 11°C maximum daytime temperature in April in Monmouthshire (Abergavenny)11
    11°C max day temperature
  • 5 hours of sunshine per day in April in Monmouthshire5
    5 hours of sunshine per day
  • 15 days with some rainfall in April in Monmouthshire (Abergavenny)15
    15 days with some rainfall
  • 4°C minimum night-time temperature in April in Monmouthshire (Abergavenny)4
    4°C min night temperature
  • 86 mm monthly rainfall in April in Monmouthshire (Abergavenny)86
    86 mm of monthly rainfall

On average 86 mm (3.4 inches) of rain normally falls in Monmouthshire (Abergavenny) during April with rain falling on 15 days of the month.

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Monmouthshire weather in May

The average maximum daytime temperature in Monmouthshire (Abergavenny) in May is a comfortable 15°C (59°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 6 hours of sunshine a day in Monmouthshire (Abergavenny) during May.

  • 15°C maximum daytime temperature in May in Monmouthshire (Abergavenny)15
    15°C max day temperature
  • 6 hours of sunshine per day in May in Monmouthshire6
    6 hours of sunshine per day
  • 14 days with some rainfall in May in Monmouthshire (Abergavenny)14
    14 days with some rainfall
  • 6°C minimum night-time temperature in May in Monmouthshire (Abergavenny)6
    6°C min night temperature
  • 80 mm monthly rainfall in May in Monmouthshire (Abergavenny)80
    80 mm of monthly rainfall

On average 80 mm (3.1 inches) of rain normally falls in Monmouthshire (Abergavenny) during May with rain falling on 14 days of the month.

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Monmouthshire weather in June

The average maximum daytime temperature in Monmouthshire (Abergavenny) in June is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 6 hours of sunshine a day in Monmouthshire (Abergavenny) during June.

  • 18°C maximum daytime temperature in June in Monmouthshire (Abergavenny)18
    18°C max day temperature
  • 6 hours of sunshine per day in June in Monmouthshire6
    6 hours of sunshine per day
  • 14 days with some rainfall in June in Monmouthshire (Abergavenny)14
    14 days with some rainfall
  • 9°C minimum night-time temperature in June in Monmouthshire (Abergavenny)9
    9°C min night temperature
  • 80 mm monthly rainfall in June in Monmouthshire (Abergavenny)80
    80 mm of monthly rainfall

On average 80 mm (3.1 inches) of rain normally falls in Monmouthshire (Abergavenny) during June with rain falling on 14 days of the month.

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Monmouthshire weather in July

The average maximum daytime temperature in Monmouthshire (Abergavenny) in July is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 6 hours of sunshine a day in Monmouthshire (Abergavenny) during July.

  • 20°C maximum daytime temperature in July in Monmouthshire (Abergavenny)20
    20°C max day temperature
  • 6 hours of sunshine per day in July in Monmouthshire6
    6 hours of sunshine per day
  • 13 days with some rainfall in July in Monmouthshire (Abergavenny)13
    13 days with some rainfall
  • 11°C minimum night-time temperature in July in Monmouthshire (Abergavenny)11
    11°C min night temperature
  • 68 mm monthly rainfall in July in Monmouthshire (Abergavenny)68
    68 mm of monthly rainfall

On average 68 mm (2.7 inches) of rain normally falls in Monmouthshire (Abergavenny) during July with rain falling on 13 days of the month.

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Monmouthshire weather in August

The average maximum daytime temperature in Monmouthshire (Abergavenny) in August is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 5 hours of sunshine a day in Monmouthshire (Abergavenny) during August.

  • 20°C maximum daytime temperature in August in Monmouthshire (Abergavenny)20
    20°C max day temperature
  • 5 hours of sunshine per day in August in Monmouthshire5
    5 hours of sunshine per day
  • 15 days with some rainfall in August in Monmouthshire (Abergavenny)15
    15 days with some rainfall
  • 11°C minimum night-time temperature in August in Monmouthshire (Abergavenny)11
    11°C min night temperature
  • 97 mm monthly rainfall in August in Monmouthshire (Abergavenny)97
    97 mm of monthly rainfall

On average 97 mm (3.8 inches) of rain normally falls in Monmouthshire (Abergavenny) during August with rain falling on 15 days of the month.

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Monmouthshire weather in September

The average maximum daytime temperature in Monmouthshire (Abergavenny) in September is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 4 hours of sunshine a day in Monmouthshire (Abergavenny) during September.

  • 17°C maximum daytime temperature in September in Monmouthshire (Abergavenny)17
    17°C max day temperature
  • 4 hours of sunshine per day in September in Monmouthshire4
    4 hours of sunshine per day
  • 15 days with some rainfall in September in Monmouthshire (Abergavenny)15
    15 days with some rainfall
  • 9°C minimum night-time temperature in September in Monmouthshire (Abergavenny)9
    9°C min night temperature
  • 112 mm monthly rainfall in September in Monmouthshire (Abergavenny)112
    112 mm of monthly rainfall

On average 112 mm (4.4 inches) of rain normally falls in Monmouthshire (Abergavenny) during September with rain falling on 15 days of the month.

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Monmouthshire weather in October

The average maximum daytime temperature in Monmouthshire (Abergavenny) in October is a cool 13°C (55°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 3 hours of sunshine a day in Monmouthshire (Abergavenny) during October.

  • 13°C maximum daytime temperature in October in Monmouthshire (Abergavenny)13
    13°C max day temperature
  • 3 hours of sunshine per day in October in Monmouthshire3
    3 hours of sunshine per day
  • 18 days with some rainfall in October in Monmouthshire (Abergavenny)18
    18 days with some rainfall
  • 7°C minimum night-time temperature in October in Monmouthshire (Abergavenny)7
    7°C min night temperature
  • 138 mm monthly rainfall in October in Monmouthshire (Abergavenny)138
    138 mm of monthly rainfall

On average 138 mm (5.4 inches) of rain normally falls in Monmouthshire (Abergavenny) during October with rain falling on 18 days of the month.

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Monmouthshire weather in November

The average maximum daytime temperature in Monmouthshire (Abergavenny) in November is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 2 hours of sunshine a day in Monmouthshire (Abergavenny) during November.

  • 9°C maximum daytime temperature in November in Monmouthshire (Abergavenny)9
    9°C max day temperature
  • 2 hours of sunshine per day in November in Monmouthshire2
    2 hours of sunshine per day
  • 19 days with some rainfall in November in Monmouthshire (Abergavenny)19
    19 days with some rainfall
  • 4°C minimum night-time temperature in November in Monmouthshire (Abergavenny)4
    4°C min night temperature
  • 146 mm monthly rainfall in November in Monmouthshire (Abergavenny)146
    146 mm of monthly rainfall

On average 146 mm (5.7 inches) of rain normally falls in Monmouthshire (Abergavenny) during November with rain falling on 19 days of the month.

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Monmouthshire weather in December

The average maximum daytime temperature in Monmouthshire (Abergavenny) in December is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 1 hours of sunshine a day in Monmouthshire (Abergavenny) during December.

  • 7°C maximum daytime temperature in December in Monmouthshire (Abergavenny)7
    7°C max day temperature
  • 1 hours of sunshine per day in December in Monmouthshire1
    1 hour of sunshine per day
  • 19 days with some rainfall in December in Monmouthshire (Abergavenny)19
    19 days with some rainfall
  • 2°C minimum night-time temperature in December in Monmouthshire (Abergavenny)2
    2°C min night temperature
  • 168 mm monthly rainfall in December in Monmouthshire (Abergavenny)168
    168 mm of monthly rainfall

On average 168 mm (6.6 inches) of rain normally falls in Monmouthshire (Abergavenny) during December with rain falling on 19 days of the month.

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Monmouthshire destinations

Browse the destinations below to find a holiday weather guide to help you plan your next holiday to Monmouthshire. If you can't find the destination you are looking for, try the destination search.

Top destinations in Monmouthshire

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