Susanville (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Susanville.
Climate overview of Susanville
The climate in Susanville, California, United States of America, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in July to 6°C (43°F) in December.
The city has a relatively dry climate, receiving around 352 mm (14 in) of rain/snowfall per year. It does experience a distinct dry season from April to November, with very warm summers and cold winters. December is the wettest month and August the driest.
Susanville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Susanville - and find the best time to visit.
Monthly Temperature in Susanville
In Susanville, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 32°C (90°F) in July to a chilly 6°C (43°F) in December.
Nighttime temperatures range from 12°C (54°F) in July to -6°C (21°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Susanville
Susanville typically sees modest rain/snowfall throughout the year, with an average annual precipitation of 352 mm (14 in). The seasons in Susanville bring significant changes in precipitation. The wettest month, December, receives moderate snow/rainfall, with an average of 70 mm (2.8 in) of precipitation. This snow/rainfall is distributed across 12 snowy/rainy days.
In contrast, the driest month, August, experiences much less rainfall, totaling 3.8 mm (0.1 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Susanville 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 Susanville
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, September and October
- Warmest weather: July and August
- Fewest rainy days: July, August and September
- Seasonal pattern: A distinct dry season from April to November, with very warm summers and cold winters
- Coldest conditions: December, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Susanville
What is the best time to visit Susanville?
May, June, September and October typically offer the most optimal weather in Susanville. In contrast, January, February and December tend to have less optimal conditions. Susanville has a distinct dry season from April to November, with very warm summers and cold winters.
What temperatures can I expect in Susanville?
Daytime highs range from 6°C (43°F) in December to 32°C (90°F) in July. Nighttime lows range from -6°C (21°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Susanville get?
Annual rainfall is around 352 mm (14 in). December is the wettest month with 70 mm (2.8 in), while August is the driest with 3.8 mm (0.1 in). In the coldest months, precipitation may fall as snow/rain.
Susanville 3-Day Forecast
Susanville (CA) 3-Day Forecast
Susanville on the map
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