Chelan (WA) Climate by Month
The temperature in Chelan can vary greatly throughout the year.
The temperatures shift from very warm
to very cold.
It maintains relatively low levels of precipitation throughout the seasons.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
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 in July to a very cold 1°C in December. Nighttime temperatures can drop, with averages reaching -4°C in December.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
With annual rain/snowfall averaging 312 mm, 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 of precipitation. This snowfall is distributed across 13 snowy days. In contrast, the driest month, July, experiences much less rainfall, totaling 7.5 mm over 4 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
The best time of year to visit Chelan in the United States of America
During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
Yes, the months of April, June, July, August and September are very dry.
July has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 1°C.
December tops the wettest month list with 57 mm of rainfall.
July is the driest month with 8 mm of precipitation.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
