Monthly weather forecast and climate
Guernsey, Guernsey

Weather in January

January, the same as December, in Guernsey, Guernsey, is another chilly winter month, with average temperature fluctuating between 7.8°C (46°F) and 9.8°C (49.6°F). In Guernsey, Guernsey, the average high-temperature in January is practically the same as in December - a frosty 9.8°C (49.6°F). Weather in January »

Weather in February

February, the last month of the winter, in Guernsey, is also a frosty month, with temperature in the range of an average high of 9.2°C (48.6°F) and an average low of 7°C (44.6°F). February is the coldest month, with an average high-temperature of 9.2°C (48.6°F) and an average low-temperature of 7°C (44.6°F). Weather in February »

Weather in March

The first month of the spring, March, is also a frosty month in Guernsey, Guernsey, with average temperature fluctuating between 7.4°C (45.3°F) and 9.8°C (49.6°F). In Guernsey, the average high-temperature is relatively the same as in February - a still frosty 9.8°C (49.6°F). Weather in March »

Weather in April

April in Guernsey, Guernsey, is a fresh spring month, with average temperature varying between 8.9°C (48°F) and 11°C (51.8°F). In April, the average high-temperature is essentially the same as in March - a cool 11°C (51.8°F). Weather in April »

Weather in May

May, the last month of the spring, in Guernsey, is also a fresh month, with average temperature fluctuating between 10.6°C (51.1°F) and 12.8°C (55°F). In Guernsey, the average high-temperature is relatively the same as in April - a still cool 12.8°C (55°F). Weather in May »

Weather in June

The first month of the summer, June, is a moderate month in Guernsey, Guernsey, with average temperature ranging between max 15.2°C (59.4°F) and min 13.2°C (55.8°F). In Guernsey, Guernsey, the average high-temperature in June is relatively the same as in May - a mild 15.2°C (59.4°F). Weather in June »

Weather in July

July in Guernsey, Guernsey, is an enjoyable summer month, with temperature in the range of an average low of 15.3°C (59.5°F) and an average high of 16.9°C (62.4°F). In July, the average high-temperature is essentially the same as in June - an enjoyable 16.9°C (62.4°F). Weather in July »

Weather in August

The last month of the summer, August, is another comfortable month in Guernsey, Guernsey, with average temperature varying between 17.8°C (64°F) and 15.8°C (60.4°F). August is the warmest month, with an average high-temperature of 17.8°C (64°F) and an average low-temperature of 15.8°C (60.4°F). Weather in August »

Weather in September

September, the first month of the autumn, in Guernsey, is also an enjoyable month, with average temperature ranging between max 17.2°C (63°F) and min 15.4°C (59.7°F). In Guernsey, the average high-temperature in September is almost the same as in August - a still enjoyable 17.2°C (63°F). Weather in September »

Weather in October

October, like September, is another mild autumn month in Guernsey, Guernsey, with temperature in the range of an average low of 13.6°C (56.5°F) and an average high of 15.5°C (59.9°F). In October, the average high-temperature is almost the same as in September - a mild 15.5°C (59.9°F). Weather in October »

Weather in November

November, the last month of the autumn, in Guernsey, is also a moderate month, with temperature in the range of an average high of 13°C (55.4°F) and an average low of 10.9°C (51.6°F). In Guernsey, Guernsey, the average high-temperature is practically the same as in October - a still mild 13°C (55.4°F). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Guernsey, Guernsey, with temperature in the range of an average high of 11.1°C (52°F) and an average low of 9.2°C (48.6°F). In Guernsey, Guernsey, the average high-temperature is essentially the same as in November - a cool 11.1°C (52°F). Weather in December »
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FAQ

How many days does it rain in Guernsey?

Throughout the year, in Guernsey, Guernsey, there are 196.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.

When does it snow in Guernsey?

January is the only month when snow falls in Guernsey, Guernsey.

How much does it snow in Guernsey?

In Guernsey, during the entire year, snow falls for 0.5 days, and aggregates up to 2mm (0.08") of snow.

When does it snow the most in Guernsey?

The month with the most snowfall in Guernsey, Guernsey, is January when snow falls for 0.3 days and typically aggregates up to 2mm (0.08") of snow.

What is the month with the least sunshine in Guernsey?

Months with the least sunshine are January, November and December, with an average of 3.9h of sunshine.

What is the coldest month in Guernsey?

With an average high-temperature of 9.2°C (48.6°F) and an average low-temperature of 7°C (44.6°F), February is the coldest month in Guernsey, Guernsey.

When it does not snow in Guernsey?

In Guernsey, Guernsey, snow does not fall in February through December.

What is the month with the lowest UV index in Guernsey?

The month with the lowest UV index is February, with an average maximum UV index of 2.

What is the most humid month in Guernsey?

Months with the highest humidity in Guernsey are June and July, with an average relative humidity of 84%.

When are the longest days in Guernsey?

The month with the longest days in Guernsey is June, with an average of 16.2h of daylight.

What is the driest month in Guernsey?

The month with the least rainfall in Guernsey, Guernsey, is July when the rain falls for 12.8 days and typically collects 26mm (1.02") of precipitation.

What month has the most sunshine in Guernsey?

With an average of 9.7h of sunshine, July has the most sunshine of the year.

What is the month with the highest UV index in Guernsey?

July through September, with an average maximum UV index of 5, are months with the highest UV index.

What is the warmest month in Guernsey?

With an average high-temperature of 17.8°C (64°F) and an average low-temperature of 15.8°C (60.4°F), August is the warmest month in Guernsey.

What is the least humid month in Guernsey?

Months with the lowest humidity are November and December, with an average relative humidity of 77%.

What is the wettest month in Guernsey?

November is the month with the most rainfall. Rain falls for 22.8 days and accumulates 87mm (3.43") of precipitation.

What is the month with the shortest days in Guernsey?

With an average of 8.3h of daylight, December has the shortest days of the year.

Average temperature
Guernsey, Guernsey

Average temperature - Guernsey, Guernsey

The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (9.2°C).

The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7°C).

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Average pressure
Guernsey, Guernsey

Average pressure - Guernsey, Guernsey

The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

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Average wind speed
Guernsey, Guernsey

Average wind speed - Guernsey, Guernsey

The windiest month (with the highest average wind speed) is December (36km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).

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Average humidity
Guernsey, Guernsey

Average humidity - Guernsey, Guernsey

Months with the highest relative humidity are June and July (84%).
Months with the lowest relative humidity are November and December (77%).

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Average rainfall
Guernsey, Guernsey

Average rainfall - Guernsey, Guernsey

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (26mm).

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Average rainfall days
Guernsey, Guernsey

Average rainfall days - Guernsey, Guernsey

The month with the highest number of rainy days is November (22.8 days).
The month with the least rainy days is June (11.5 days).

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Average snowfall
Guernsey, Guernsey

Average snowfall - Guernsey, Guernsey

The month with the highest snowfall is January (2mm).
Months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days
Guernsey, Guernsey

Average snowfall days - Guernsey, Guernsey

The month with the highest number of snowfall days is January (0.3 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight / Average sunshine
Guernsey, Guernsey

Average daylight / Average sunshine - Guernsey, Guernsey

The month with the longest days is June (Average daylight: 16.2h).
The month with the shortest days is December (Average daylight: 8.3h).

The month with the most sunshine is July (Average sunshine: 9.7h).
Months with the least sunshine are January, November and December (Average sunshine: 3.9).

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Average sunshine days
Guernsey, Guernsey

Average sunshine days - Guernsey, Guernsey

The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4 days).

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Average visibility
Guernsey, Guernsey

Average visibility - Guernsey, Guernsey

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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