Climate Overview
The climate in Entiat is cool. The average annual temperature is 9°C and approximately 450mm of precipitation falls per year. January is the wettest month, receiving around 84mm of rainfall. Entiat is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are December, January, February, when temperatures can drop to -5°C. Snowfall occurs from January to December, with around 139cm accumulating over the season.
Temperature
Temperatures in Entiat vary considerably across the year, with a 35°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 30°C and the mean temperature sits around 22°C. The coldest month is December, when overnight lows fall to -5°C and the daily average is -2°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.
Precipitation
Entiat is a relatively dry area, receiving approximately 450mm of precipitation annually, which averages out to around 38mm per month. The wettest month is January, averaging 84mm of rainfall. December and November also tend to see above-average precipitation. The driest month is July, with just 4mm. That's 80mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 139cm accumulating over the season. January typically sees the most snow at around 44cm.
Wind
Entiat is relatively calm, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 8km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 8km/h in winter, 13km/h in spring, 15km/h in summer, 11km/h in autumn.
Seasons
86 days until Summer
It is currently spring in Entiat, which began on March 20, 2026. Entiat is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 30°C, while the coldest stretch bottoms out in December near -5°C. Summer is next, beginning on June 21, 2026 — 86 days from now.
Spring
Temperatures range from 0 to 22°C. Rainfall is relatively light, with around 90mm over the season and a monthly average of 30mm. Winds are generally light, averaging 13km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 12 to 30°C. Precipitation is minimal, with only around 20mm for the entire season. Winds are generally light, averaging 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from -1 to 23°C. Rainfall is relatively light, with around 128mm over the season and a monthly average of 43mm. Expect around 21cm of snow accumulation during this period. Winds are generally light, averaging 11km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -5 to 4°C. Precipitation is moderate at around 212mm for the season, averaging 71mm per month. Expect around 104cm of snow accumulation during this period. Winds are generally light, averaging 8km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Entiat is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 9mm per month. By contrast, December can be quite cold with temperatures dropping to -5°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Entiat based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.