January weather forecastL'Islet, Guernsey
January
Weather in January
January in L'Islet, Guernsey presents a winter tableau that is damp instead of frigid. Despite the low sun hours at 3.9 hours per day, daylight extends to a pleasant 8.7 hours. An earlier sunset, however, contributes to the chill, with temperatures ranging from 7.5°C (45.5°F) at night to 9.8°C (49.6°F) at peak of day. The winds make their presence known, averaging 34.1km/h (21.2mph) in speed, while occasional gusts reach up to 47.7km/h (29.6mph). Rainfall is common, which puts an emphasis on sturdy umbrellas and effective waterproof clothing.Temperature
During January, L'Islet observes a subtle ascent to a chilly 9.8°C (49.6°F) from December's 11.1°C (52°F) in the average high-temperature. L'Islet welcomes an average low temperature of 7.5°C (45.5°F) in January, a gentle shift from the day's high.Humidity
In L'Islet, the average relative humidity in January is 78%.Rainfall
In L'Islet, in January, during 22 rainfall days, 63mm (2.48") of precipitation is typically accumulated. Throughout the year, there are 195.6 rainfall days, and 554mm (21.81") of precipitation is accumulated.Snowfall
January is the only month when snow falls. January is the month with the most snowfall. Snow falls for 0.3 days and accumulates 2mm (0.08") of snow.Daylight
In January, the average length of the day in L'Islet 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 L'Islet, sunrise is at 07:43 and sunset at 17:03 GMT.
Sunshine
In January, the average sunshine is 3.9h.UV index
In January, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 3 in January translates into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
L'Islet, 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: 7.5°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (6.9°C).
Average pressure in January
L'Islet, 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
L'Islet, 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
L'Islet, 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
L'Islet, Guernsey
- Average rainfall in January: 63mm
The wettest month (with the highest rainfall) is November (78mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in January
L'Islet, Guernsey
- Average rainfall days in January: 22 days
The month with the highest number of rainy days is November (22.5 days).
The month with the least rainy days is June (11.4 days).
Average snowfall in January
L'Islet, 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
L'Islet, 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
L'Islet, 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 30min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in January
L'Islet, 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 (4.2 days).
Average UV index in January
L'Islet, 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
L'Islet, Guernsey
- Average cloud cover in January: 62
The months with the most cloud cover are January, November and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in January
L'Islet, 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).
