Wallowa Lake (OR) Weather & Climate: Best Time to Visit

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

Climate overview of Wallowa Lake

Wallowa Lake, Oregon, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 25°C (77°F) in July, while winters cool to 0°C (32°F) in December.

The city receives around 662 mm (26 in) of rain/snowfall per year. It experiences a distinct dry season from July to September, with warm summers and very cold winters. March is the wettest month and July the driest.

Wallowa Lake Weather by Month

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

Monthly Temperature in Wallowa Lake

Depending on the time of the year, temperatures range from comfortable to very cold in Wallowa Lake. On average, daytime temperatures range from a comfortable 25°C (77°F) in July to a very cold 0°C (32°F) in December.

Nighttime temperatures range from 10°C (50°F) in July to -8°C (18°F) in December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Wallowa Lake

Generally, Wallowa Lake has a moderate amount of precipitation, averaging 662 mm (26 in) of rain/snowfall annually. The seasons in Wallowa Lake bring significant changes in precipitation. The wettest month, March, receives moderate snow/rainfall, with an average of 83 mm (3.3 in) of precipitation. This snow/rainfall is distributed across 21 snowy/rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 15 mm (0.6 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Wallowa Lake Precipitation page.

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

Best Time to Visit Wallowa Lake

The most comfortable overall weather for exploring Wallowa Lake is usually found in July, August and September. Conditions are generally least comfortable in January, February, March, April, 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: July, August and September
  • Warmest weather: July and August
  • Fewest rainy days: July, August and September
  • Seasonal pattern: A distinct dry season from July to September, with warm summers and very cold winters
  • Coldest conditions: December, with freezing nights around -8°C (18°F).

Frequently asked questions about the climate in Wallowa Lake

What is the best time to visit Wallowa Lake?

July, August and September typically offer the most optimal weather in Wallowa Lake. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Wallowa Lake has a distinct dry season from July to September, with warm summers and very cold winters.

What temperatures can I expect in Wallowa Lake?

Daytime highs range from 0°C (32°F) in December to 25°C (77°F) in July. Nighttime lows range from -8°C (18°F) to 10°C (50°F). Temperatures vary considerably through the year.

How much rain does Wallowa Lake get?

Annual rainfall is around 662 mm (26 in). March is the wettest month with 83 mm (3.3 in), while July is the driest with 15 mm (0.6 in). In the coldest months, precipitation may fall as snow/rain.

Wallowa Lake 3-Day Forecast

Wallowa Lake on the map

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