Belle Fourche (SD) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Belle Fourche.
Climate overview of Belle Fourche
Belle Fourche, South Dakota, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 31°C (88°F) in July, while winters cool to 2°C (36°F) in December.
With around 475 mm (19 in) of annual rain/snowfall, Belle Fourche has a fairly dry climate. However, it has a distinct dry season from November to March, with very warm summers and cold winters. The wettest month is May, while January sees the least rain.
Belle Fourche Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Belle Fourche - and find the best time to visit.
Monthly Temperature in Belle Fourche
Depending on the time of the year, temperatures range from very warm to chilly in Belle Fourche. Average daytime temperatures reach a very warm 31°C (88°F) in July. In December, the coolest month of the year, temperatures drop to a chilly 2°C (36°F).
At night, temperatures range from around 16°C (61°F) in July to -10°C (14°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Belle Fourche
Belle Fourche maintains relatively dry conditions year-round, recording average annual precipitation of 475 mm (19 in). Belle Fourche can be quite wet during May, receiving approximately 91 mm (3.6 in) of precipitation over 13 rainy days.
In contrast, during the driest month (January), you will experience much drier conditions, with 8.9 mm (0.4 in) of precipitation spread across 7 snowy days. For more details, please visit our Belle Fourche Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Belle Fourche
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June and September
- Warmest weather: July and August
- Fewer rainy days: January, February, September, November and December
- Seasonal pattern: A distinct dry season from November to March, with very warm summers and cold winters
- Coldest conditions: December, with freezing nights around -10°C (14°F).
Frequently asked questions about the climate in Belle Fourche
What is the best time to visit Belle Fourche?
May, June and September typically offer the most optimal weather in Belle Fourche. In contrast, January, February and December tend to have less optimal conditions. Belle Fourche has a distinct dry season from November to March, with very warm summers and cold winters.
What temperatures can I expect in Belle Fourche?
Daytime highs range from 2°C (36°F) in December to 31°C (88°F) in July. Nighttime lows range from -10°C (14°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Belle Fourche get?
Annual rainfall is around 475 mm (19 in). May is the wettest month with 91 mm (3.6 in), while January is the driest with 8.9 mm (0.4 in).
Belle Fourche 3-Day Forecast
Belle Fourche (SD) 3-Day Forecast
Belle Fourche on the map
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