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Moses Lake (WA) Weather and Climate: A Comprehensive Guide

The climate in Moses Lake is marked by big temperature swings throughout the year. Temperatures range from very warm during the warmest months to cold in the cooler months. It experiences desert-like conditions in terms of precipitation, with almost no rain/snowfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

In Moses Lake, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 32°C in July to a chilly 2°C in the coolest month, December.

Nights are cooler, with lows often dropping to around -5°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Moses Lake sits in an arid zone with minimal moisture, averaging 195 mm of rain/snowfall per year. The climate in Moses Lake shows significant variation throughout the year. Expect moderate snow/rainfall in December, with an average of 33 mm of precipitation over 12 snowy/rainy days.

In contrast, August offers drier and sunnier days, with around 4 mm 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

Forecast for Moses Lake (WA)

Sat   Dec 21
4°C | -1°C
S 4 m/s
2.6 mm
broken clouds and rain

broken clouds and rain

Sun   Dec 22
5°C | 0°C
N 3 m/s
1.9 mm
overcast and rain

overcast and rain

Mon   Dec 23
7°C | 1°C
NE 3 m/s
broken clouds and no rain

broken clouds and no rain

The best time of year to visit Moses Lake in the United States of America

During the months of May 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:
  • When is summer in Moses Lake?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Moses Lake?
    July has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Moses Lake?
    The coldest month is December with an average maximum temperature of 2°C.
  • Which is the wettest month in Moses Lake?
    December tops the wettest month list with 33 mm of rainfall.
  • Which is the driest month in Moses Lake?
    August is the driest month with 4 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.