January weather forecastGroignêt, Guernsey

January

Weather in January

January in Groignêt, Guernsey is characterized by an impressive rainfall amount at 63mm (2.48"), coupled with the distribution over 22 days, making it one of the wettest months of the year. The month starts off on a rather chilly and wet note. Mild winds, usually peaking around 34.1km/h (21.2mph), add an extra chill factor to the already cold temperatures. Thanks to a generous cloud cover percentage, overcast and grey skies are commonplace. The weather is often unpredictable, varying from occasional sunny spells to periods of rain.

Temperature

The commencement of January records an average high-temperature of a frosty 9.8°C (49.6°F), barely varying from December's 11.1°C (52°F). Groignêt maintains an average of approximately 7.8°C (46°F) during January nights, with only a minimal decrease from the daytime temperature.

Humidity

In Groignêt, the average relative humidity in January is 78%.

Rainfall

In January, in Groignêt, the rain falls for 22 days. Throughout January, 63mm (2.48") of precipitation is accumulated. Throughout the year, in Groignêt, there are 196.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.

Snowfall

The only month with snowfall in Groignêt is January. January is the month with the most snowfall in Groignêt, Guernsey. Snow falls for 0.3 days and accumulates 2mm (0.08") of snow.

Daylight

The average length of the day in January is 8h and 43min.
On the first day of January, sunrise is at 08:06 and sunset at 16:21. On the last day of the month, sunrise is at 07:44 and sunset at 17:03 GMT.

Sunshine

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

UV index

In January, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 3 in January, converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

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

The average relative humidity in January in Groignêt is 78%.

In Groignêt, Guernsey, in January, it is raining for 22 days, with typically 63mm (2.48") of accumulated precipitation.

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

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

In Groignêt, the average day length in January is 8h and 43min.

In January, on the first day of the month, sunrise is at 08:06 and sunset at 16:21. On the last day of the month, in Groignêt, Guernsey, sunrise is at 07:44 and sunset at 17:03 GMT.

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

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

In January, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

11.1°C

9.8°C

9.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

37.8km/h

35.8km/h

35.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

5.3

5.5

6.9

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, Guernsey

Average daylight in January: 8h and 42min

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 54min

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
Groignêt, 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
Groignêt, 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
Groignêt, 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
Groignêt, 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).