Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January in Saint Sampson, Guernsey, experiences an average high-temperature of a chilly 9.8°C (49.6°F), barely different from December's 11.1°C (52°F). January introduces a small decrease to a nighttime average of 7.8°C (46°F).Humidity
In Saint Sampson, Guernsey, the average relative humidity in January is 78%.Rainfall
In Saint Sampson, during January, the rain falls for 22 days and regularly aggregates up to 63mm (2.48") of precipitation. In Saint Sampson, 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 Sampson. Snow falls for 0.3 days and accumulates 2mm (0.08") of snow.Daylight
In January, the average length of the day in Saint Sampson 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
January, November and December, with an average of 3.9h of sunshine, are months with the least sunshine in Saint Sampson.UV index
In Saint Sampson, Guernsey, the average daily maximum UV index in January is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 3 in January transforms into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are January temperatures in Saint Sampson?
What is the average humidity in January in Saint Sampson?
How much does it rain in Saint Sampson in January?
When does it snow the most in Saint Sampson?
When does it start to snow in Saint Sampson?
How many hours of daylight does Saint Sampson have in January?
When are sunrise and sunset in January in Saint Sampson?
What are the months with the least sunshine in Saint Sampson?
How many hours of sunshine does Saint Sampson have in January?
What is the UV index reading in January in Saint Sampson?
Average temperature in January
Saint Sampson, 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 Sampson, 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 Sampson, 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 Sampson, 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 Sampson, 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 Sampson, 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 Sampson, 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 Sampson, 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 Sampson, 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
Saint Sampson, 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 Sampson, 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 Sampson, 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 Sampson, 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).
Saint Sampson, Guernsey
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