Lewes Weather in January
What's the weather like in Lewes (England) in January 2026?
The climate in Lewes during January can be summarized as cool and a little damp.
January is in the winter in Lewes and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 7°C (44°F), whilst at night 2°C (35°F) is normal.
| Daytime temperature | 6.9°C 44.4°F |
|---|---|
| Nightly temperature | 1.5°C 34.7°F |
| Average temperature | 4.2°C 39.6°F |
| Daily sunshine | 2 hrs |
| Avg rainfall | 88 mm 3.4 ins |
| Rainy days | 18 days |
| Sea temperature | 9.1°C 48.3°F |
| Humidity | 91% |
| Windspeed | 16.9kph 11 mph |
On average January is the 4th wettest month of the year in Lewes with around 88mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 2 hours of sunshine per day.
January temperatures in Lewes
January rainfall
January hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Lewes in January 2025.
Other monthly averages
Best places to visit in January
Lewes weather stats
| Hottest month: | July | 20.5°C 68.9°F |
|---|---|---|
| Driest month: | July | 49mm 1.9ins |
| Sunniest month: | August | 7.1hrs |
| Coldest month: | January | 6.8°C 44.2°F |
| Wettest month: | November | 96mm 3.8ins |
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