Chelan (WA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Chelan.
Climate overview of Chelan
Chelan, Washington State, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 30°C (86°F) in July, while winters cool to 1°C (34°F) in January.
The city has a relatively dry climate, receiving around 312 mm (12 in) of rain/snowfall per year. It does experience very little rainfall for most of the year, with very warm summers and very cold winters. December is the wettest month and July the driest.
Chelan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chelan - and find the best time to visit.
Monthly Temperature in Chelan
Depending on the time of the year, temperatures range from very warm to very cold in Chelan. On average, daytime temperatures range from a very warm 30°C (86°F) in July to a very cold 1°C (34°F) in January.
Nighttime temperatures range from 17°C (63°F) in July to -4°C (25°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Chelan
With annual rain/snowfall averaging 312 mm (12 in), Chelan maintains relatively low precipitation levels throughout the seasons. The seasons in Chelan bring significant changes in precipitation. The wettest month, December, receives moderate snowfall, with an average of 57 mm (2.2 in) of precipitation. This snowfall is distributed across 13 snowy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 7.5 mm (0.3 in) over 4 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Chelan 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 Chelan
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
- Fewest rainy days: July, August and September
- Seasonal pattern: Very little rainfall for most of the year, with very warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Chelan
What is the best time to visit Chelan?
May, June and September typically offer the most optimal weather in Chelan. In contrast, January, November and December tend to have less optimal conditions. Chelan has very little rainfall for most of the year, with very warm summers and very cold winters.
What temperatures can I expect in Chelan?
Daytime highs range from 1°C (34°F) in January to 30°C (86°F) in July. Nighttime lows range from -4°C (25°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Chelan get?
Annual rainfall is around 312 mm (12 in). December is the wettest month with 57 mm (2.2 in), while July is the driest with 7.5 mm (0.3 in). In the coldest months, precipitation may fall as snow.
Chelan 3-Day Forecast
Chelan on the map
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