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
Sizewell witnesses its lowest temperatures in January and February, reaching an average of 7.1°C (44.8°F).Humidity
January, June and December, with an average relative humidity of 83%, are the most humid months in Sizewell.Rainfall
In Sizewell, United Kingdom, in January, during 15.3 rainfall days, 35mm (1.38") of precipitation is typically accumulated. In Sizewell, during the entire year, the rain falls for 188.4 days and collects up to 486mm (19.13") of precipitation.Snowfall
January through March, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 2.9 days and accumulates 21mm (0.83") of snow.Daylight
The average length of the day in January is 8h and 21min.On the first day of January, sunrise is at 8:02 am and sunset at 3:51 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:37 pm GMT.
Sunshine
In January, the average sunshine is 4.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What month is the coldest in Sizewell?
What are January temperatures in Sizewell?
What is the most humid month in Sizewell?
What is the average humidity in January in Sizewell?
How many days does it rain in January in Sizewell?
When does it snow the most in Sizewell?
How much does it snow in Sizewell in January?
What is the average length of the day in January in Sizewell?
When are sunrise and sunset in January in Sizewell?
How long on average sun shines in January in Sizewell?
What is the month with the lowest UV index in Sizewell?
What is the UV index intensity in January in Sizewell?
Average temperature in January
Sizewell, United Kingdom
- Average high temperature in January: 7.1°C
The warmest month (with the highest average high temperature) is August (19.7°C).
The months with the lowest average high temperature are January and February (7.1°C).
- Average low temperature in January: 4.6°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 (4.3°C).
Average pressure in January
Sizewell, United Kingdom
- Average pressure in January: 1014.1mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in January
Sizewell, United Kingdom
- Average wind speed in January: 26.1km/h
The windiest month (with the highest average wind speed) is December (27.7km/h).
The calmest month (with the lowest average wind speed) is July (17.7km/h).
Average humidity in January
Sizewell, United Kingdom
- Average humidity in January: 83%
The months with the highest relative humidity are January, June and December (83%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall in January
Sizewell, United Kingdom
- Average rainfall in January: 35mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in January
Sizewell, United Kingdom
- Average rainfall days in January: 15.3 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in January
Sizewell, United Kingdom
- Average snowfall in January: 21mm
The month with the highest snowfall is January (21mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Sizewell, United Kingdom
- Average snowfall days in January: 2.9 days
The month with the highest number of snowfall days is January (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Sizewell, United Kingdom
- Average daylight in January: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in January
Sizewell, United Kingdom
- Average sunshine days in January: 11.2 days
The months with the most sunshine days are April and May (14 days).
The month with the least sunshine days is November (8 days).
Average UV index in January
Sizewell, United Kingdom
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Sizewell, United Kingdom
- Average cloud cover in January: 59
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in January
Sizewell, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Sizewell, United Kingdom
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