Islip Weather in January

The climate in Islip during January can be summarized as cold and a little damp.

January is in the winter in Islip and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing 3°C (38°F), whilst at night -5°C (23°F) is normal.

On average January is the 6th driest month of the year in Islip with around 92mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 6 hours of sunshine per day.

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 Islip in January 2025.