January weather forecastSaint Saviour, Guernsey
January
Weather in January
Kicking off the New Year, January's weather in Saint Saviour, Guernsey, resumes the winter dynamics. The temperatures are low, as is to be expected during this period, with notable shifts in wind speeds recording up to 34.1km/h (21.2mph). The municipal seems to rest in a monochromatic winter slumber underscored by significant cloud cover. Comparatively, this is a period of transition from the cold streak prominent in December. Anticipate somewhat harsh weather as the month progresses, with few clear days.Temperature
Saint Saviour's weather in January indicates an average high-temperature of a chilly 9.8°C (49.6°F), nearly consistent with the 11.1°C (52°F) of December. During the month of January, Saint Saviour's average nighttime temperature closely mirrors its daytime counterpart, at 7.8°C (46°F).Humidity
In Saint Saviour, the average relative humidity in January is 78%.Rainfall
In January, in Saint Saviour, the rain falls for 22 days. Throughout January, 63mm (2.48") of precipitation is accumulated. In Saint Saviour, 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. January is the month with the most snowfall in Saint Saviour. Snow falls for 0.3 days and accumulates 2mm (0.08") of snow.Daylight
In January, the average length of the day in Saint Saviour, Guernsey, 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 are January, November and December, with an average of 3.9h of sunshine.UV index
The average daily maximum UV index in January 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 ordinary individuals.Note: The UV index of 3 during January translates into the following guidance:
Guard yourself - An obligation to protect skin and eyes from harm exists. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Saint Saviour, 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
Saint Saviour, 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
Saint Saviour, 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
Saint Saviour, 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
Saint Saviour, 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
Saint Saviour, 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
Saint Saviour, 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
Saint Saviour, 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
Saint Saviour, 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
Saint Saviour, 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
Saint Saviour, 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
Saint Saviour, 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
Saint Saviour, 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).





