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
Lewes witnesses its lowest temperatures during January and February, when the average high-temperature reaches 7.5°C (45.5°F).Humidity
January and December, with an average relative humidity of 85%, are the most humid months.Rainfall
In Lewes, in January, it is raining for 16.9 days, with typically 44mm (1.73") of accumulated precipitation. In Lewes, during the entire year, the rain falls for 183 days and collects up to 470mm (18.5") of precipitation.Snowfall
January through April, November and December are months with snowfall in Lewes. The month with the most snowfall in Lewes, United Kingdom, is January, when snow falls for 1.7 days and typically aggregates up to 8mm (0.31") of snow.Daylight
The average length of the day in January is 8h and 32min.On the first day of the month, sunrise is at 8:02 am and sunset at 4:04 pm. On the last day of January, sunrise is at 7:38 am and sunset at 4:48 pm GMT.
Sunshine
In Lewes, United Kingdom, the average sunshine in January is 4.2h.UV index
January, February and November, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What are the coldest months in Lewes?
What is the temperature in January in Lewes?
What is the most humid month in Lewes?
What is the average humidity in January in Lewes?
How much does it rain in Lewes in January?
What is the snowiest month in Lewes?
How many days does it snow in January in Lewes?
How many hours of daylight does Lewes have in January?
When are sunrise and sunset in January in Lewes?
How many hours of sunshine does Lewes have in January?
When is the lowest UV index in Lewes?
What is the UV index intensity in January in Lewes?
Average temperature in January
Lewes, United Kingdom
- Average high temperature in January: 7.5°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 (7.5°C).
- Average low temperature in January: 4.3°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (4.2°C).
Average pressure in January
Lewes, United Kingdom
- Average pressure in January: 1015.2mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in January
Lewes, United Kingdom
- Average wind speed in January: 23.2km/h
The windiest month (with the highest average wind speed) is December (24.6km/h).
The calmest month (with the lowest average wind speed) is July (16.8km/h).
Average humidity in January
Lewes, United Kingdom
- Average humidity in January: 85%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in January
Lewes, United Kingdom
- Average rainfall in January: 44mm
The wettest months (with the highest rainfall) are November and December (59mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in January
Lewes, United Kingdom
- Average rainfall days in January: 16.9 days
The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is September (12.8 days).
Average snowfall in January
Lewes, United Kingdom
- Average snowfall in January: 8mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Lewes, United Kingdom
- Average snowfall days in January: 1.7 days
The months with the highest number of snowfall days are January and February (1.7 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
Lewes, United Kingdom
- Average daylight in January: 8h and 3min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in January
Lewes, United Kingdom
- Average sunshine days in January: 10.1 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is November (8.2 days).
Average UV index in January
Lewes, 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 and November (UV index 2).
Average cloud cover in January
Lewes, United Kingdom
- Average cloud cover in January: 57
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in January
Lewes, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
Lewes, United Kingdom
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