The climate in Bloomington during December can be summarized as cool and a little damp.
December is in the winter in Bloomington and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 5°C (41°F), whilst at night -5°C (24°F) is normal.
| Daytime temperature | 5.1°C 41.1°F |
|---|---|
| Nightly temperature | -4.7°C 23.6°F |
| Average temperature | 0.2°C 32.4°F |
| Daily sunshine | 4 hrs |
| Avg rainfall | 89 mm 3.5 ins |
| Rainy days | 12 days |
| Sea temperature | 9.1°C 48.3°F |
| Humidity | 75% |
| Windspeed | 16.9kph 11 mph |
On average December is the 5th driest month of the year in Bloomington with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 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 Bloomington in December 2025.
Best places to visit in December
| Hottest month: | July | 29.8°C 85.6°F |
|---|---|---|
| Driest month: | January | 62mm 2.4ins |
| Sunniest month: | July | 10.4hrs |
| Coldest month: | January | 2.3°C 36.1°F |
| Wettest month: | May | 120mm 4.7ins |