January weather forecastLes Quartiers, Guernsey
January
Weather in January
The start of the year in Les Quartiers, Guernsey, sees the weather presenting an assertive demeanor. The relative humidity surges to 78% hinting at the hazy, mist filled days of January. Compared to the previous month, December, a subtle increase in temperature becomes noticeable. A look ahead to February shows the continuation of this modest warming trend. Predictably chilly January winds are noteworthy, with an average speed of 34.1km/h (21.2mph), with gusts peaking at 47.7km/h (29.6mph).Temperature
The arrival of January marks a slight shift to an average high-temperature of a chilly 9.8°C (49.6°F) from December's 11.1°C (52°F). A mean low-temperature of 7.8°C (46°F) is anticipated during the month of January in Les Quartiers, a slight step down from the daytime high.Humidity
In January, the average relative humidity is 78%.Rainfall
In Les Quartiers, in January, it is raining for 22 days, with typically 63mm (2.48") of accumulated precipitation. Throughout the year, there are 196.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.Snowfall
The only month with snowfall is January. 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.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 16:20. On the last day of the month, sunrise is at 07:43 and sunset at 17:03 GMT.
Sunshine
The months with the least sunshine are January, November and December, with an average of 3.9h of sunshine.UV index
In Les Quartiers, the average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In January, the maximum UV index of 3 translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Les Quartiers, 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
Les Quartiers, 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
Les Quartiers, 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
Les Quartiers, 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
Les Quartiers, 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
Les Quartiers, 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
Les Quartiers, 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
Les Quartiers, 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
Les Quartiers, 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
Les Quartiers, 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
Les Quartiers, 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
Les Quartiers, 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
Les Quartiers, 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).





