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
Stepping into January, Letterston records an average high-temperature of a frosty 8.4°C (47.1°F), almost consistent with December. Letterston, in January, registers a nighttime average temperature of 6.3°C (43.3°F).Humidity
In Letterston, the average relative humidity in January is 81%.Rainfall
In Letterston, in January, during 20.6 rainfall days, 75mm (2.95") of precipitation is typically accumulated. In Letterston, during the entire year, the rain falls for 225.4 days and collects up to 791mm (31.14") of precipitation.Snowfall
Months with snowfall are January through March, November and December. The months with the most snowfall are January and February, with an average 6mm (0.24") of accumulated snow.Daylight
In January, the average length of the day is 8h and 23min.On the first day of January in Letterston, United Kingdom, sunrise is at 8:27 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:05 pm GMT.
Sunshine
In January, the average sunshine is 3.8h.UV index
The months with the lowest UV index in Letterston are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What are January temperatures in Letterston?
What is the average humidity in January in Letterston?
How many days does it rain in January in Letterston?
What is the snowiest month in Letterston?
How much does it snow in Letterston in January?
What is the average length of the day in January in Letterston?
What time are sunrise and sunset in January in Letterston?
How long on average sun shines in January in Letterston?
When is the lowest UV index in Letterston?
What is the UV index reading in January in Letterston?
Average temperature in January
Letterston, United Kingdom
- Average high temperature in January: 8.4°C
The warmest month (with the highest average high temperature) is August (17°C).
The month with the lowest average high temperature is February (8.3°C).
- Average low temperature in January: 6.3°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).
Average pressure in January
Letterston, United Kingdom
- Average pressure in January: 1013.3mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in January
Letterston, United Kingdom
- Average wind speed in January: 28.5km/h
The windiest month (with the highest average wind speed) is December (30.8km/h).
The calmest month (with the lowest average wind speed) is June (18.8km/h).
Average humidity in January
Letterston, United Kingdom
- Average humidity in January: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (80%).
Average rainfall in January
Letterston, United Kingdom
- Average rainfall in January: 75mm
The wettest month (with the highest rainfall) is November (108mm).
The driest month (with the least rainfall) is May (34mm).
Average rainfall days in January
Letterston, United Kingdom
- Average rainfall days in January: 20.6 days
The month with the highest number of rainy days is November (23.2 days).
The month with the least rainy days is May (14.8 days).
Average snowfall in January
Letterston, United Kingdom
- Average snowfall in January: 6mm
The months with the highest snowfall are January and February (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Letterston, United Kingdom
- Average snowfall days in January: 0.8 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Letterston, United Kingdom
- Average daylight in January: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is May (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in January
Letterston, United Kingdom
- Average sunshine days in January: 7.3 days
The month with the most sunshine days is May (13.7 days).
The months with the least sunshine days are November and December (4.5 days).
Average UV index in January
Letterston, United Kingdom
- Average UV index in January: 2
The months with the highest UV index are May, June, July, August, September and October (UV index 4).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Letterston, United Kingdom
- 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 May (Cloud cover 45).
Average visibility in January
Letterston, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are February, March, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, April, November and December (9km).
Letterston, United Kingdom
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