Sullivan Weather in February

What's the weather like in Sullivan (Illinois) in February 2024?

The climate in Sullivan during February can be summarized as cold and reasonably dry.

February is in the winter in Sullivan and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing 4°C (39°F), whilst at night -6°C (21°F) is normal.

Sullivan weather averages (imperial / metric)
Daytime temperature 3.9°C 39°F
Nightly temperature -6.1°C 21°F
Average temperature -1.1°C 30°F
Daily sunshine 5.9 hrs
Avg rainfall 50 mm 2 ins
Rainy days 9 days
Sea temperature 8°C 46.4°F
Humidity 73%
Windspeed 18.7kph 12 mph

On average February is the driest month of the year in Sullivan with around 50mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.9 hours of sunshine per day.

February temperatures in Sullivan

Sullivan average temperature in February

February rainfall

Sullivan average rain in February

February hourly sunshine

Sullivan average rain in February

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 Sullivan in February 2024.