Hayscastle weather

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

• Hayscastle weather averages
• Hayscastle weather by month
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Hayscastle weather averages

Check the Hayscastle 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 Hayscastle, Pembrokeshire, Wales.

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Hayscastle weather by month

Check the weather for Hayscastle, Pembrokeshire, 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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Hayscastle weather in January

The average maximum daytime temperature in Hayscastle in January 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 Hayscastle during January.

• 8
  8°C max day temperature
• 2
  2 hours of sunshine per day
• 21
  21 days with some rainfall
• 3
  3°C min night temperature
• 181
  181 mm of monthly rainfall

On average 181 mm (7.1 inches) of rain normally falls in Hayscastle during January with rain falling on 21 days of the month.

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Hayscastle weather in February

The average maximum daytime temperature in Hayscastle in February 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 3 hours of sunshine a day in Hayscastle during February.

• 8
  8°C max day temperature
• 3
  3 hours of sunshine per day
• 17
  17 days with some rainfall
• 3
  3°C min night temperature
• 131
  131 mm of monthly rainfall

On average 131 mm (5.2 inches) of rain normally falls in Hayscastle during February with rain falling on 17 days of the month.

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Hayscastle weather in March

The average maximum daytime temperature in Hayscastle in March is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 4 hours of sunshine a day in Hayscastle during March.

• 10
  10°C max day temperature
• 4
  4 hours of sunshine per day
• 18
  18 days with some rainfall
• 4
  4°C min night temperature
• 129
  129 mm of monthly rainfall

On average 129 mm (5.1 inches) of rain normally falls in Hayscastle during March with rain falling on 18 days of the month.

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Hayscastle weather in April

The average maximum daytime temperature in Hayscastle in April is a cool 12°C (54°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 Hayscastle during April.

• 12
  12°C max day temperature
• 6
  6 hours of sunshine per day
• 15
  15 days with some rainfall
• 5
  5°C min night temperature
• 88
  88 mm of monthly rainfall

On average 88 mm (3.5 inches) of rain normally falls in Hayscastle during April with rain falling on 15 days of the month.

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Hayscastle weather in May

The average maximum daytime temperature in Hayscastle in May is a comfortable 15°C (59°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 Hayscastle during May.

• 15
  15°C max day temperature
• 7
  7 hours of sunshine per day
• 15
  15 days with some rainfall
• 7
  7°C min night temperature
• 86
  86 mm of monthly rainfall

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

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Hayscastle weather in June

The average maximum daytime temperature in Hayscastle in June is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 7 hours of sunshine a day in Hayscastle during June.

• 18
  18°C max day temperature
• 7
  7 hours of sunshine per day
• 14
  14 days with some rainfall
• 10
  10°C min night temperature
• 89
  89 mm of monthly rainfall

On average 89 mm (3.5 inches) of rain normally falls in Hayscastle during June with rain falling on 14 days of the month.

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Hayscastle weather in July

The average maximum daytime temperature in Hayscastle in July is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 7 hours of sunshine a day in Hayscastle during July.

• 20
  20°C max day temperature
• 7
  7 hours of sunshine per day
• 14
  14 days with some rainfall
• 12
  12°C min night temperature
• 85
  85 mm of monthly rainfall

On average 85 mm (3.3 inches) of rain normally falls in Hayscastle during July with rain falling on 14 days of the month.

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Hayscastle weather in August

The average maximum daytime temperature in Hayscastle in August is a comfortable 20°C (68°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 Hayscastle during August.

• 20
  20°C max day temperature
• 6
  6 hours of sunshine per day
• 16
  16 days with some rainfall
• 12
  12°C min night temperature
• 117
  117 mm of monthly rainfall

On average 117 mm (4.6 inches) of rain normally falls in Hayscastle during August with rain falling on 16 days of the month.

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Hayscastle weather in September

The average maximum daytime temperature in Hayscastle in September is a comfortable 17°C (63°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 Hayscastle during September.

• 17
  17°C max day temperature
• 5
  5 hours of sunshine per day
• 17
  17 days with some rainfall
• 10
  10°C min night temperature
• 132
  132 mm of monthly rainfall

On average 132 mm (5.2 inches) of rain normally falls in Hayscastle during September with rain falling on 17 days of the month.

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Hayscastle weather in October

The average maximum daytime temperature in Hayscastle in October is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 3 hours of sunshine a day in Hayscastle during October.

• 14
  14°C max day temperature
• 3
  3 hours of sunshine per day
• 19
  19 days with some rainfall
• 8
  8°C min night temperature
• 165
  165 mm of monthly rainfall

On average 165 mm (6.5 inches) of rain normally falls in Hayscastle during October with rain falling on 19 days of the month.

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Hayscastle weather in November

The average maximum daytime temperature in Hayscastle in November is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 5°C (41°F). You can expect on average 2 hours of sunshine a day in Hayscastle during November.

• 11
  11°C max day temperature
• 2
  2 hours of sunshine per day
• 20
  20 days with some rainfall
• 5
  5°C min night temperature
• 165
  165 mm of monthly rainfall

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

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Hayscastle weather in December

The average maximum daytime temperature in Hayscastle in December 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 Hayscastle during December.

• 9
  9°C max day temperature
• 2
  2 hours of sunshine per day
• 21
  21 days with some rainfall
• 4
  4°C min night temperature
• 191
  191 mm of monthly rainfall

On average 191 mm (7.5 inches) of rain normally falls in Hayscastle during December with rain falling on 21 days of the month.

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