Moses Lake (WA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Moses Lake.
Climate overview of Moses Lake
The climate in Moses Lake, Washington State, United States of America, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in July to 2°C (36°F) in December.
The area sees almost no rain/snowfall, totalling just 195 mm (7.7 in) per year.
Moses Lake Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Moses Lake - and find the best time to visit.
Monthly Temperature in Moses Lake
In Moses Lake, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 32°C (90°F) in July to a chilly 2°C (36°F) in the coolest month, December.
Nights vary from 14°C (57°F) in July to around -5°C (23°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Moses Lake
Moses Lake sits in an arid zone with minimal moisture, averaging 195 mm (7.7 in) of rain/snowfall per year. The climate in Moses Lake shows significant variation throughout the year. Expect moderate snow/rainfall in December, the wettest month, with an average of 33 mm (1.3 in) of precipitation over 12 snowy/rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 4 mm (0.2 in) of rainfall over 2 rainy days. For more details, please visit our Moses Lake 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 Moses Lake
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 year-round, with very warm summers and cold winters
- Coldest conditions: December, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Moses Lake
What is the best time to visit Moses Lake?
May, June and September typically offer the most optimal weather in Moses Lake. In contrast, January and December tend to have less optimal conditions. Moses Lake has very little rainfall year-round, with very warm summers and cold winters.
What temperatures can I expect in Moses Lake?
Daytime highs range from 2°C (36°F) in December to 32°C (90°F) in July. Nighttime lows range from -5°C (23°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Moses Lake get?
Annual rainfall is around 195 mm (7.7 in). December is the wettest month with 33 mm (1.3 in), while August is the driest with 4 mm (0.2 in). In the coldest months, precipitation may fall as snow/rain.
Moses Lake 3-Day Forecast
Moses Lake (WA) 3-Day Forecast
Moses Lake on the map
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