January weather forecast
Grandes Capelles, Guernsey

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Weather in January

Grandes Capelles, Guernsey, kicks off the year with weather that leans towards the chilly side. January sees average temperatures lingering from 7.8°C (46°F) to 9.8°C (49.6°F) and it can be a bit damp with relatively high humidity. Winds infuse the air with a brisk bite, reaching maximum speeds of 35.8km/h (22.2mph). Some days offer only a glimmer of sunshine, making this month one of the least sunny periods. Nonetheless, the weather is manageable and does not greatly inhibit daily activities or sight-seeing.

Temperature

January denotes a minimal variation in the average high-temperature to a frosty 9.8°C (49.6°F) from December's 11.1°C (52°F). Grandes Capelles observes a slightly reduced average nighttime temperature of 7.8°C (46°F) during January.

Humidity

In January, the average relative humidity is 78%.

Rainfall

In Grandes Capelles, in January, during 22 rainfall days, 63mm (2.48") of precipitation is typically accumulated. In Grandes Capelles, during the entire year, the rain falls for 196.3 days and collects up to 557mm (21.93") of precipitation.

Snowfall

January is the only month when snow falls in Grandes Capelles. January is the month with the most snowfall. Snow falls for 0.3 days and accumulates 2mm (0.08") of snow.

Daylight

The average length of the day in January in Grandes Capelles is 8h and 43min.
On the first day of the month, sunrise is at 08:06 and sunset at 16:20. On the last day of January, in Grandes Capelles, sunrise is at 07:43 and sunset at 17:03 GMT.

Sunshine

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

UV index

In Grandes Capelles, Guernsey, the average daily maximum UV index in January is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 3 in January leads to these recommendations:
Ensure safety - Sun damage prevention is strongly urged. To guard against the harmful effects of the Sun, minimize exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Feb 9, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are January temperatures in Grandes Capelles?

In January, in Grandes Capelles, the average high-temperature is 9.8°C (49.6°F), and the average low-temperature is 7.8°C (46°F).

What is the average humidity in January in Grandes Capelles?

In Grandes Capelles, Guernsey, the average relative humidity in January is 78%.

How many days does it rain in January in Grandes Capelles?

In Grandes Capelles, in January, during 22 rainfall days, 63mm (2.48") of precipitation is typically accumulated.

What is the snowiest month in Grandes Capelles?

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

When does it start snowing in Grandes Capelles?

January is the first month it typically snows in Grandes Capelles, Guernsey. Throughout January, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow.

What is the average length of the day in January in Grandes Capelles?

The average day length in January in Grandes Capelles, Guernsey, is 8h and 43min.

When is the sunrise / sunset in January in Grandes Capelles?

On the first day of January in Grandes Capelles, Guernsey, sunrise is at 08:06 and sunset at 16:20. On the last day of the month, sunrise is at 07:43 and sunset at 17:03 GMT.

What are the months with the least sunshine in Grandes Capelles?

The months with the least sunshine in Grandes Capelles are January, November and December, with an average of 3.9h of sunshine.

How many hours of sunshine does Grandes Capelles have in January?

In Grandes Capelles, Guernsey, the average sunshine duration in January is 3.9h.

What is the UV index intensity in January in Grandes Capelles?

In Grandes Capelles, Guernsey, the average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in January
Grandes Capelles, Guernsey

Average temperature in January - Grandes Capelles, Guernsey
  • Average high temperature in January: 9.8°C

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).

  • Average low temperature in January: 7.8°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).

Average pressure in January
Grandes Capelles, Guernsey

Average pressure in January - Grandes Capelles, Guernsey
  • Average pressure in January: 1016.1mbar

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

Average wind speed in January
Grandes Capelles, Guernsey

Average wind speed in January - Grandes Capelles, Guernsey
  • Average wind speed in January: 34.1km/h

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).

Average humidity in January
Grandes Capelles, Guernsey

Average humidity in January - Grandes Capelles, Guernsey
  • Average humidity in January: 78%

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

Average rainfall in January
Grandes Capelles, Guernsey

Average rainfall in January - Grandes Capelles, Guernsey
  • Average rainfall in January: 63mm

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

Average rainfall days in January
Grandes Capelles, Guernsey

Average rainfall days in January - Grandes Capelles, Guernsey
  • Average rainfall days in January: 22 days

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).

Average snowfall in January
Grandes Capelles, Guernsey

Average snowfall in January - Grandes Capelles, Guernsey
  • Average snowfall in January: 2mm

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

Average snowfall days in January
Grandes Capelles, Guernsey

Average snowfall days in January - Grandes Capelles, Guernsey
  • Average snowfall days in January: 0.3 days

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

Average daylight in January /
Average sunshine in January
Grandes Capelles, Guernsey

Average daylight in January / Average sunshine in January - Grandes Capelles, Guernsey
  • Average daylight in January: 8h and 4min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).

Average sunshine days in January
Grandes Capelles, Guernsey

Average sunshine days in January - Grandes Capelles, Guernsey
  • Average sunshine days in January: 5.5 days

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

Average UV index in January
Grandes Capelles, Guernsey

Average UV index in January - Grandes Capelles, Guernsey
  • Average UV index in January: 3

The months with the highest UV index are July, August and September (UV index 5).
The month with the lowest UV index is February (UV index 2).

Average cloud cover in January
Grandes Capelles, Guernsey

Average cloud cover in January - Grandes Capelles, Guernsey
  • Average cloud cover in January: 62

The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in January
Grandes Capelles, Guernsey

Average visibility in January - Grandes Capelles, Guernsey
  • Average visibility in January: 10km

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

Grandes Capelles, Guernsey

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