Trallwyn weather

The Trallwyn weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Trallwyn, Swansea Area, Wales in 2022/2023.

Trallwyn weather averages

Check the Trallwyn 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 Trallwyn, Swansea 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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Trallwyn weather by month

Check the weather for Trallwyn, Swansea 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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Trallwyn weather in January

The average maximum daytime temperature in Trallwyn in January is a cold 6°C (43°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 Trallwyn during January.

  • 6°C maximum daytime temperature in January in Trallwyn6
    6°C max day temperature
  • 2 hours of sunshine per day in January in Trallwyn2
    2 hours of sunshine per day
  • 21 days with some rainfall in January in Trallwyn21
    21 days with some rainfall
  • 2°C minimum night-time temperature in January in Trallwyn2
    2°C min night temperature
  • 227 mm monthly rainfall in January in Trallwyn227
    227 mm of monthly rainfall

On average 227 mm (8.9 inches) of rain normally falls in Trallwyn during January with rain falling on 21 days of the month.

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Trallwyn weather in February

The average maximum daytime temperature in Trallwyn in February is a cold 6°C (43°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 Trallwyn during February.

  • 6°C maximum daytime temperature in February in Trallwyn6
    6°C max day temperature
  • 3 hours of sunshine per day in February in Trallwyn3
    3 hours of sunshine per day
  • 17 days with some rainfall in February in Trallwyn17
    17 days with some rainfall
  • 2°C minimum night-time temperature in February in Trallwyn2
    2°C min night temperature
  • 157 mm monthly rainfall in February in Trallwyn157
    157 mm of monthly rainfall

On average 157 mm (6.2 inches) of rain normally falls in Trallwyn during February with rain falling on 17 days of the month.

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Trallwyn weather in March

The average maximum daytime temperature in Trallwyn in March is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 4 hours of sunshine a day in Trallwyn during March.

  • 8°C maximum daytime temperature in March in Trallwyn8
    8°C max day temperature
  • 4 hours of sunshine per day in March in Trallwyn4
    4 hours of sunshine per day
  • 18 days with some rainfall in March in Trallwyn18
    18 days with some rainfall
  • 3°C minimum night-time temperature in March in Trallwyn3
    3°C min night temperature
  • 162 mm monthly rainfall in March in Trallwyn162
    162 mm of monthly rainfall

On average 162 mm (6.4 inches) of rain normally falls in Trallwyn during March with rain falling on 18 days of the month.

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Trallwyn weather in April

The average maximum daytime temperature in Trallwyn 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 6 hours of sunshine a day in Trallwyn during April.

  • 11°C maximum daytime temperature in April in Trallwyn11
    11°C max day temperature
  • 6 hours of sunshine per day in April in Trallwyn6
    6 hours of sunshine per day
  • 15 days with some rainfall in April in Trallwyn15
    15 days with some rainfall
  • 4°C minimum night-time temperature in April in Trallwyn4
    4°C min night temperature
  • 113 mm monthly rainfall in April in Trallwyn113
    113 mm of monthly rainfall

On average 113 mm (4.4 inches) of rain normally falls in Trallwyn during April with rain falling on 15 days of the month.

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Trallwyn weather in May

The average maximum daytime temperature in Trallwyn in May is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 7 hours of sunshine a day in Trallwyn during May.

  • 14°C maximum daytime temperature in May in Trallwyn14
    14°C max day temperature
  • 7 hours of sunshine per day in May in Trallwyn7
    7 hours of sunshine per day
  • 14 days with some rainfall in May in Trallwyn14
    14 days with some rainfall
  • 7°C minimum night-time temperature in May in Trallwyn7
    7°C min night temperature
  • 105 mm monthly rainfall in May in Trallwyn105
    105 mm of monthly rainfall

On average 105 mm (4.1 inches) of rain normally falls in Trallwyn during May with rain falling on 14 days of the month.

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Trallwyn weather in June

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

  • 17°C maximum daytime temperature in June in Trallwyn17
    17°C max day temperature
  • 7 hours of sunshine per day in June in Trallwyn7
    7 hours of sunshine per day
  • 15 days with some rainfall in June in Trallwyn15
    15 days with some rainfall
  • 9°C minimum night-time temperature in June in Trallwyn9
    9°C min night temperature
  • 118 mm monthly rainfall in June in Trallwyn118
    118 mm of monthly rainfall

On average 118 mm (4.6 inches) of rain normally falls in Trallwyn during June with rain falling on 15 days of the month.

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Trallwyn weather in July

The average maximum daytime temperature in Trallwyn in July is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Trallwyn during July.

  • 19°C maximum daytime temperature in July in Trallwyn19
    19°C max day temperature
  • 6 hours of sunshine per day in July in Trallwyn6
    6 hours of sunshine per day
  • 14 days with some rainfall in July in Trallwyn14
    14 days with some rainfall
  • 12°C minimum night-time temperature in July in Trallwyn12
    12°C min night temperature
  • 104 mm monthly rainfall in July in Trallwyn104
    104 mm of monthly rainfall

On average 104 mm (4.1 inches) of rain normally falls in Trallwyn during July with rain falling on 14 days of the month.

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Trallwyn weather in August

The average maximum daytime temperature in Trallwyn in August is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Trallwyn during August.

  • 19°C maximum daytime temperature in August in Trallwyn19
    19°C max day temperature
  • 6 hours of sunshine per day in August in Trallwyn6
    6 hours of sunshine per day
  • 16 days with some rainfall in August in Trallwyn16
    16 days with some rainfall
  • 12°C minimum night-time temperature in August in Trallwyn12
    12°C min night temperature
  • 152 mm monthly rainfall in August in Trallwyn152
    152 mm of monthly rainfall

On average 152 mm (6 inches) of rain normally falls in Trallwyn during August with rain falling on 16 days of the month.

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Trallwyn weather in September

The average maximum daytime temperature in Trallwyn in September is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 5 hours of sunshine a day in Trallwyn during September.

  • 16°C maximum daytime temperature in September in Trallwyn16
    16°C max day temperature
  • 5 hours of sunshine per day in September in Trallwyn5
    5 hours of sunshine per day
  • 17 days with some rainfall in September in Trallwyn17
    17 days with some rainfall
  • 10°C minimum night-time temperature in September in Trallwyn10
    10°C min night temperature
  • 165 mm monthly rainfall in September in Trallwyn165
    165 mm of monthly rainfall

On average 165 mm (6.5 inches) of rain normally falls in Trallwyn during September with rain falling on 17 days of the month.

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Trallwyn weather in October

The average maximum daytime temperature in Trallwyn 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 Trallwyn during October.

  • 13°C maximum daytime temperature in October in Trallwyn13
    13°C max day temperature
  • 3 hours of sunshine per day in October in Trallwyn3
    3 hours of sunshine per day
  • 19 days with some rainfall in October in Trallwyn19
    19 days with some rainfall
  • 7°C minimum night-time temperature in October in Trallwyn7
    7°C min night temperature
  • 200 mm monthly rainfall in October in Trallwyn200
    200 mm of monthly rainfall

On average 200 mm (7.9 inches) of rain normally falls in Trallwyn during October with rain falling on 19 days of the month.

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Trallwyn weather in November

The average maximum daytime temperature in Trallwyn 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 Trallwyn during November.

  • 9°C maximum daytime temperature in November in Trallwyn9
    9°C max day temperature
  • 2 hours of sunshine per day in November in Trallwyn2
    2 hours of sunshine per day
  • 20 days with some rainfall in November in Trallwyn20
    20 days with some rainfall
  • 4°C minimum night-time temperature in November in Trallwyn4
    4°C min night temperature
  • 225 mm monthly rainfall in November in Trallwyn225
    225 mm of monthly rainfall

On average 225 mm (8.9 inches) of rain normally falls in Trallwyn during November with rain falling on 20 days of the month.

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Trallwyn weather in December

The average maximum daytime temperature in Trallwyn in December is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 2 hours of sunshine a day in Trallwyn during December.

  • 7°C maximum daytime temperature in December in Trallwyn7
    7°C max day temperature
  • 2 hours of sunshine per day in December in Trallwyn2
    2 hours of sunshine per day
  • 21 days with some rainfall in December in Trallwyn21
    21 days with some rainfall
  • 3°C minimum night-time temperature in December in Trallwyn3
    3°C min night temperature
  • 243 mm monthly rainfall in December in Trallwyn243
    243 mm of monthly rainfall

On average 243 mm (9.6 inches) of rain normally falls in Trallwyn during December with rain falling on 21 days of the month.

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