Guernsey weather

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

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Guernsey weather averages

Check the Guernsey 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 Guernsey, Channel Islands. The Guernsey weather averages shown below are for Saint Peter Port.

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Guernsey weather by month

Check the weather for Guernsey, Channel Islands for a particular month by selecting from the list below. The Guernsey monthly weather averages are for Saint Peter Port. 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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Guernsey weather in January

The average maximum daytime temperature in Guernsey (Saint Peter Port) in January 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 Guernsey (Saint Peter Port) during January.

• 9
  9°C max day temperature
• 2
  2 hours of sunshine per day
• 19
  19 days with some rainfall
• 4
  4°C min night temperature
• 121
  121 mm of monthly rainfall

On average 121 mm (4.8 inches) of rain normally falls in Guernsey (Saint Peter Port) during January with rain falling on 19 days of the month.

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Guernsey weather in February

The average maximum daytime temperature in Guernsey (Saint Peter Port) in February 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 3 hours of sunshine a day in Guernsey (Saint Peter Port) during February.

• 9
  9°C max day temperature
• 3
  3 hours of sunshine per day
• 17
  17 days with some rainfall
• 4
  4°C min night temperature
• 96
  96 mm of monthly rainfall

On average 96 mm (3.8 inches) of rain normally falls in Guernsey (Saint Peter Port) during February with rain falling on 17 days of the month.

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Guernsey weather in March

The average maximum daytime temperature in Guernsey (Saint Peter Port) in March 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 4 hours of sunshine a day in Guernsey (Saint Peter Port) during March.

• 11
  11°C max day temperature
• 4
  4 hours of sunshine per day
• 18
  18 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 Guernsey (Saint Peter Port) during March with rain falling on 18 days of the month.

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Guernsey weather in April

The average maximum daytime temperature in Guernsey (Saint Peter Port) in April is a cool 13°C (55°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 Guernsey (Saint Peter Port) during April.

• 13
  13°C max day temperature
• 6
  6 hours of sunshine per day
• 14
  14 days with some rainfall
• 6
  6°C min night temperature
• 70
  70 mm of monthly rainfall

On average 70 mm (2.8 inches) of rain normally falls in Guernsey (Saint Peter Port) during April with rain falling on 14 days of the month.

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Guernsey weather in May

The average maximum daytime temperature in Guernsey (Saint Peter Port) in May is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 8 hours of sunshine a day in Guernsey (Saint Peter Port) during May.

• 16
  16°C max day temperature
• 8
  8 hours of sunshine per day
• 14
  14 days with some rainfall
• 9
  9°C min night temperature
• 69
  69 mm of monthly rainfall

On average 69 mm (2.7 inches) of rain normally falls in Guernsey (Saint Peter Port) during May with rain falling on 14 days of the month.

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Guernsey weather in June

The average maximum daytime temperature in Guernsey (Saint Peter Port) in June is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 8 hours of sunshine a day in Guernsey (Saint Peter Port) during June.

• 19
  19°C max day temperature
• 8
  8 hours of sunshine per day
• 13
  13 days with some rainfall
• 11
  11°C min night temperature
• 66
  66 mm of monthly rainfall

On average 66 mm (2.6 inches) of rain normally falls in Guernsey (Saint Peter Port) during June with rain falling on 13 days of the month.

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Guernsey weather in July

The average maximum daytime temperature in Guernsey (Saint Peter Port) in July is a comfortable 21°C (70°F), while the average minimum night-time temperature is a cool 13°C (55°F). You can expect on average 8 hours of sunshine a day in Guernsey (Saint Peter Port) during July.

• 21
  21°C max day temperature
• 8
  8 hours of sunshine per day
• 11
  11 days with some rainfall
• 13
  13°C min night temperature
• 50
  50 mm of monthly rainfall

On average 50 mm (2 inches) of rain normally falls in Guernsey (Saint Peter Port) during July with rain falling on 11 days of the month.

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Guernsey weather in August

The average maximum daytime temperature in Guernsey (Saint Peter Port) in August is a comfortable 21°C (70°F), while the average minimum night-time temperature is a cool 13°C (55°F). You can expect on average 7 hours of sunshine a day in Guernsey (Saint Peter Port) during August.

• 21
  21°C max day temperature
• 7
  7 hours of sunshine per day
• 12
  12 days with some rainfall
• 13
  13°C min night temperature
• 69
  69 mm of monthly rainfall

On average 69 mm (2.7 inches) of rain normally falls in Guernsey (Saint Peter Port) during August with rain falling on 12 days of the month.

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Guernsey weather in September

The average maximum daytime temperature in Guernsey (Saint Peter Port) in September 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 Guernsey (Saint Peter Port) during September.

• 19
  19°C max day temperature
• 6
  6 hours of sunshine per day
• 14
  14 days with some rainfall
• 12
  12°C min night temperature
• 92
  92 mm of monthly rainfall

On average 92 mm (3.6 inches) of rain normally falls in Guernsey (Saint Peter Port) during September with rain falling on 14 days of the month.

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Guernsey weather in October

The average maximum daytime temperature in Guernsey (Saint Peter Port) in October is a comfortable 15°C (59°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 Guernsey (Saint Peter Port) during October.

• 15
  15°C max day temperature
• 4
  4 hours of sunshine per day
• 17
  17 days with some rainfall
• 9
  9°C min night temperature
• 118
  118 mm of monthly rainfall

On average 118 mm (4.6 inches) of rain normally falls in Guernsey (Saint Peter Port) during October with rain falling on 17 days of the month.

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Guernsey weather in November

The average maximum daytime temperature in Guernsey (Saint Peter Port) in November 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 2 hours of sunshine a day in Guernsey (Saint Peter Port) during November.

• 12
  12°C max day temperature
• 2
  2 hours of sunshine per day
• 19
  19 days with some rainfall
• 6
  6°C min night temperature
• 125
  125 mm of monthly rainfall

On average 125 mm (4.9 inches) of rain normally falls in Guernsey (Saint Peter Port) during November with rain falling on 19 days of the month.

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Guernsey weather in December

The average maximum daytime temperature in Guernsey (Saint Peter Port) in December is a cool 9°C (48°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 Guernsey (Saint Peter Port) during December.

• 9
  9°C max day temperature
• 2
  2 hours of sunshine per day
• 19
  19 days with some rainfall
• 5
  5°C min night temperature
• 137
  137 mm of monthly rainfall

On average 137 mm (5.4 inches) of rain normally falls in Guernsey (Saint Peter Port) during December with rain falling on 19 days of the month.

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Guernsey destinations

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

Top destinations in Guernsey

• Saint Peter Port
• Torteval

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