The climate in Bismarck during June can be summarized as warm and a little damp.
June is in the summer in Bismarck and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 16°C (61°F) is normal.
| Daytime temperature | 29°C 84.2°F |
|---|---|
| Nightly temperature | 16°C 60.8°F |
| Average temperature | 22.5°C 72.5°F |
| Daily sunshine | 10.7 hrs |
| Avg rainfall | 95 mm 3.7 ins |
| Rainy days | 9 days |
| Sea temperature | 17.9°C 64.2°F |
| Humidity | 68% |
| Windspeed | 14.8kph 9 mph |
On average June is the 6th wettest month of the year in Bismarck with around 95mm 3.7 inches of rain making it a a little damp 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 10.7 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 Bismarck in June 2025.
| Hottest month: | July | 31.2°C 88.2°F |
|---|---|---|
| Driest month: | January | 54mm 2.1ins |
| Sunniest month: | July | 10.8hrs |
| Coldest month: | January | 4°C 39.2°F |
| Wettest month: | May | 112mm 4.4ins |