Caersws weather

The Caersws weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Caersws, Powys, Wales in 2026/2027.

• Caersws weather averages
• Caersws weather by month
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Caersws weather averages

Check the Caersws 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 Caersws, Powys, Wales.

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Caersws weather by month

Check the weather for Caersws, Powys, 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.

• January
• February
• March
• April
• May
• June
• July
• August
• September
• October
• November
• December

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Caersws weather in January

The average maximum daytime temperature in Caersws in January is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 0°C (32°F). You can expect on average 1 hours of sunshine a day in Caersws during January.

• 6
  6°C max day temperature
• 1
  1 hour of sunshine per day
• 20
  20 days with some rainfall
• 0
  0°C min night temperature
• 136
  136 mm of monthly rainfall

On average 136 mm (5.4 inches) of rain normally falls in Caersws during January with rain falling on 20 days of the month.

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Caersws weather in February

The average maximum daytime temperature in Caersws in February is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 0°C (32°F). You can expect on average 2 hours of sunshine a day in Caersws during February.

• 6
  6°C max day temperature
• 2
  2 hours of sunshine per day
• 17
  17 days with some rainfall
• 0
  0°C min night temperature
• 101
  101 mm of monthly rainfall

On average 101 mm (4 inches) of rain normally falls in Caersws during February with rain falling on 17 days of the month.

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Caersws weather in March

The average maximum daytime temperature in Caersws in March is a cool 8°C (46°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 Caersws during March.

• 8
  8°C max day temperature
• 3
  3 hours of sunshine per day
• 18
  18 days with some rainfall
• 2
  2°C min night temperature
• 102
  102 mm of monthly rainfall

On average 102 mm (4 inches) of rain normally falls in Caersws during March with rain falling on 18 days of the month.

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Caersws weather in April

The average maximum daytime temperature in Caersws in April is a cool 11°C (52°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 Caersws during April.

• 11
  11°C max day temperature
• 4
  4 hours of sunshine per day
• 16
  16 days with some rainfall
• 3
  3°C min night temperature
• 79
  79 mm of monthly rainfall

On average 79 mm (3.1 inches) of rain normally falls in Caersws during April with rain falling on 16 days of the month.

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Caersws weather in May

The average maximum daytime temperature in Caersws in May is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cold 5°C (41°F). You can expect on average 6 hours of sunshine a day in Caersws during May.

• 14
  14°C max day temperature
• 6
  6 hours of sunshine per day
• 15
  15 days with some rainfall
• 5
  5°C min night temperature
• 76
  76 mm of monthly rainfall

On average 76 mm (3 inches) of rain normally falls in Caersws during May with rain falling on 15 days of the month.

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Caersws weather in June

The average maximum daytime temperature in Caersws in June is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 6 hours of sunshine a day in Caersws during June.

• 17
  17°C max day temperature
• 6
  6 hours of sunshine per day
• 15
  15 days with some rainfall
• 8
  8°C min night temperature
• 69
  69 mm of monthly rainfall

On average 69 mm (2.7 inches) of rain normally falls in Caersws during June with rain falling on 15 days of the month.

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Caersws weather in July

The average maximum daytime temperature in Caersws in July is a comfortable 19°C (66°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 Caersws during July.

• 19
  19°C max day temperature
• 5
  5 hours of sunshine per day
• 14
  14 days with some rainfall
• 10
  10°C min night temperature
• 61
  61 mm of monthly rainfall

On average 61 mm (2.4 inches) of rain normally falls in Caersws during July with rain falling on 14 days of the month.

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Caersws weather in August

The average maximum daytime temperature in Caersws in August is a comfortable 19°C (66°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 Caersws during August.

• 19
  19°C max day temperature
• 5
  5 hours of sunshine per day
• 16
  16 days with some rainfall
• 10
  10°C min night temperature
• 82
  82 mm of monthly rainfall

On average 82 mm (3.2 inches) of rain normally falls in Caersws during August with rain falling on 16 days of the month.

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Caersws weather in September

The average maximum daytime temperature in Caersws in September is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 4 hours of sunshine a day in Caersws during September.

• 16
  16°C max day temperature
• 4
  4 hours of sunshine per day
• 16
  16 days with some rainfall
• 8
  8°C min night temperature
• 106
  106 mm of monthly rainfall

On average 106 mm (4.2 inches) of rain normally falls in Caersws during September with rain falling on 16 days of the month.

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Caersws weather in October

The average maximum daytime temperature in Caersws in October is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 3 hours of sunshine a day in Caersws during October.

• 12
  12°C max day temperature
• 3
  3 hours of sunshine per day
• 18
  18 days with some rainfall
• 6
  6°C min night temperature
• 111
  111 mm of monthly rainfall

On average 111 mm (4.4 inches) of rain normally falls in Caersws during October with rain falling on 18 days of the month.

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Caersws weather in November

The average maximum daytime temperature in Caersws in November 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 2 hours of sunshine a day in Caersws during November.

• 8
  8°C max day temperature
• 2
  2 hours of sunshine per day
• 20
  20 days with some rainfall
• 3
  3°C min night temperature
• 127
  127 mm of monthly rainfall

On average 127 mm (5 inches) of rain normally falls in Caersws during November with rain falling on 20 days of the month.

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Caersws weather in December

The average maximum daytime temperature in Caersws in December 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 1 hours of sunshine a day in Caersws during December.

• 6
  6°C max day temperature
• 1
  1 hour of sunshine per day
• 20
  20 days with some rainfall
• 1
  1°C min night temperature
• 141
  141 mm of monthly rainfall

On average 141 mm (5.6 inches) of rain normally falls in Caersws during December with rain falling on 20 days of the month.

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