Omak (WA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Omak.

Full Climate overview Temperature Rainfall
Current conditions Omak –  

Climate overview of Omak

Omak, Washington State, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 32°C (90°F) in July, while winters cool to 1°C (34°F) in January.

With around 305 mm (12 in) of annual rain/snowfall, Omak has a fairly dry climate. However, it has very little rainfall for most of the year, with very warm summers and very cold winters. The wettest month is December, while August sees the least rain.

Omak Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Omak - and find the best time to visit.

Monthly Temperature in Omak

Depending on the time of the year, temperatures range from very warm to very cold in Omak. Average daytime temperatures reach a very warm 32°C (90°F) in July. In January, the coolest month of the year, temperatures drop to a very cold 1°C (34°F).

At night, temperatures range from around 15°C (59°F) in July to -5°C (23°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Omak

Omak has a relatively dry climate with low precipitation, averaging 305 mm (12 in) of rain/snowfall annually. Omak can be quite wet during December, receiving approximately 51 mm (2 in) of precipitation over 15 snowy days.

In contrast, during the driest month (August), you will experience much drier conditions, with 8.4 mm (0.3 in) of precipitation spread across 3 rainy days. For more details, please visit our Omak Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Omak

The most comfortable overall weather for exploring Omak is usually found in May, June and September. Conditions are generally least comfortable in January, November and December.

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 -5°C (23°F).

Frequently asked questions about the climate in Omak

What is the best time to visit Omak?

May, June and September typically offer the most optimal weather in Omak. In contrast, January, November and December tend to have less optimal conditions. Omak has very little rainfall for most of the year, with very warm summers and very cold winters.

What temperatures can I expect in Omak?

Daytime highs range from 1°C (34°F) in January to 32°C (90°F) in July. Nighttime lows range from -5°C (23°F) to 15°C (59°F). Temperatures vary considerably through the year.

How much rain does Omak get?

Annual rainfall is around 305 mm (12 in). December is the wettest month with 51 mm (2 in), while August is the driest with 8.4 mm (0.3 in). In the coldest months, precipitation may fall as snow.

Omak 3-Day Forecast

Omak on the map

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