Nelson weather

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

Nelson weather averages

Check the Nelson 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 Nelson, Caerphilly Area, Wales.

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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Nelson weather by month

Check the weather for Nelson, Caerphilly Area, Wales for a particular month by selecting from the list below. This gives the best indication of what to expect from the weather months in advance.

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Nelson weather in January

The average maximum daytime temperature in Nelson 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 Nelson during January.

  • 6°C maximum daytime temperature in January in Nelson6
    6°C max day temperature
  • 2 hours of sunshine per day in January in Nelson2
    2 hours of sunshine per day
  • 20 days with some rainfall in January in Nelson20
    20 days with some rainfall
  • 1°C minimum night-time temperature in January in Nelson1
    1°C min night temperature
  • 165 mm monthly rainfall in January in Nelson165
    165 mm of monthly rainfall

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

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Nelson weather in February

The average maximum daytime temperature in Nelson 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 Nelson during February.

  • 7°C maximum daytime temperature in February in Nelson7
    7°C max day temperature
  • 2 hours of sunshine per day in February in Nelson2
    2 hours of sunshine per day
  • 16 days with some rainfall in February in Nelson16
    16 days with some rainfall
  • 1°C minimum night-time temperature in February in Nelson1
    1°C min night temperature
  • 120 mm monthly rainfall in February in Nelson120
    120 mm of monthly rainfall

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

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Nelson weather in March

The average maximum daytime temperature in Nelson 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 4 hours of sunshine a day in Nelson during March.

  • 9°C maximum daytime temperature in March in Nelson9
    9°C max day temperature
  • 4 hours of sunshine per day in March in Nelson4
    4 hours of sunshine per day
  • 18 days with some rainfall in March in Nelson18
    18 days with some rainfall
  • 2°C minimum night-time temperature in March in Nelson2
    2°C min night temperature
  • 114 mm monthly rainfall in March in Nelson114
    114 mm of monthly rainfall

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

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Nelson weather in April

The average maximum daytime temperature in Nelson 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 Nelson during April.

  • 11°C maximum daytime temperature in April in Nelson11
    11°C max day temperature
  • 5 hours of sunshine per day in April in Nelson5
    5 hours of sunshine per day
  • 15 days with some rainfall in April in Nelson15
    15 days with some rainfall
  • 4°C minimum night-time temperature in April in Nelson4
    4°C min night temperature
  • 86 mm monthly rainfall in April in Nelson86
    86 mm of monthly rainfall

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

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Nelson weather in May

The average maximum daytime temperature in Nelson 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 Nelson during May.

  • 15°C maximum daytime temperature in May in Nelson15
    15°C max day temperature
  • 6 hours of sunshine per day in May in Nelson6
    6 hours of sunshine per day
  • 14 days with some rainfall in May in Nelson14
    14 days with some rainfall
  • 6°C minimum night-time temperature in May in Nelson6
    6°C min night temperature
  • 80 mm monthly rainfall in May in Nelson80
    80 mm of monthly rainfall

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

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Nelson weather in June

The average maximum daytime temperature in Nelson 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 7 hours of sunshine a day in Nelson during June.

  • 18°C maximum daytime temperature in June in Nelson18
    18°C max day temperature
  • 7 hours of sunshine per day in June in Nelson7
    7 hours of sunshine per day
  • 14 days with some rainfall in June in Nelson14
    14 days with some rainfall
  • 9°C minimum night-time temperature in June in Nelson9
    9°C min night temperature
  • 80 mm monthly rainfall in June in Nelson80
    80 mm of monthly rainfall

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

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Nelson weather in July

The average maximum daytime temperature in Nelson 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 Nelson during July.

  • 20°C maximum daytime temperature in July in Nelson20
    20°C max day temperature
  • 6 hours of sunshine per day in July in Nelson6
    6 hours of sunshine per day
  • 13 days with some rainfall in July in Nelson13
    13 days with some rainfall
  • 11°C minimum night-time temperature in July in Nelson11
    11°C min night temperature
  • 68 mm monthly rainfall in July in Nelson68
    68 mm of monthly rainfall

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

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Nelson weather in August

The average maximum daytime temperature in Nelson 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 6 hours of sunshine a day in Nelson during August.

  • 20°C maximum daytime temperature in August in Nelson20
    20°C max day temperature
  • 6 hours of sunshine per day in August in Nelson6
    6 hours of sunshine per day
  • 15 days with some rainfall in August in Nelson15
    15 days with some rainfall
  • 11°C minimum night-time temperature in August in Nelson11
    11°C min night temperature
  • 97 mm monthly rainfall in August in Nelson97
    97 mm of monthly rainfall

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

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Nelson weather in September

The average maximum daytime temperature in Nelson 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 Nelson during September.

  • 17°C maximum daytime temperature in September in Nelson17
    17°C max day temperature
  • 4 hours of sunshine per day in September in Nelson4
    4 hours of sunshine per day
  • 15 days with some rainfall in September in Nelson15
    15 days with some rainfall
  • 9°C minimum night-time temperature in September in Nelson9
    9°C min night temperature
  • 112 mm monthly rainfall in September in Nelson112
    112 mm of monthly rainfall

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

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Nelson weather in October

The average maximum daytime temperature in Nelson 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 Nelson during October.

  • 13°C maximum daytime temperature in October in Nelson13
    13°C max day temperature
  • 3 hours of sunshine per day in October in Nelson3
    3 hours of sunshine per day
  • 18 days with some rainfall in October in Nelson18
    18 days with some rainfall
  • 7°C minimum night-time temperature in October in Nelson7
    7°C min night temperature
  • 138 mm monthly rainfall in October in Nelson138
    138 mm of monthly rainfall

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

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Nelson weather in November

The average maximum daytime temperature in Nelson 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 Nelson during November.

  • 9°C maximum daytime temperature in November in Nelson9
    9°C max day temperature
  • 2 hours of sunshine per day in November in Nelson2
    2 hours of sunshine per day
  • 19 days with some rainfall in November in Nelson19
    19 days with some rainfall
  • 4°C minimum night-time temperature in November in Nelson4
    4°C min night temperature
  • 146 mm monthly rainfall in November in Nelson146
    146 mm of monthly rainfall

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

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Nelson weather in December

The average maximum daytime temperature in Nelson 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 2 hours of sunshine a day in Nelson during December.

  • 7°C maximum daytime temperature in December in Nelson7
    7°C max day temperature
  • 2 hours of sunshine per day in December in Nelson2
    2 hours of sunshine per day
  • 19 days with some rainfall in December in Nelson19
    19 days with some rainfall
  • 2°C minimum night-time temperature in December in Nelson2
    2°C min night temperature
  • 168 mm monthly rainfall in December in Nelson168
    168 mm of monthly rainfall

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

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