The Dalles (OR) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit The Dalles.
Climate overview of The Dalles
The Dalles, Oregon, United States of America, sees big temperature differences between seasons, with July peaking at 31°C (88°F) and December dropping to 5°C (41°F).
Rain/snowfall is modest, totalling around 406 mm (16 in) annually. The city experiences a distinct dry season from February to October. December tends to be the wettest month. The most sunshine falls in July, with an average of 11.0 hours of daily sunshine.
The Dalles Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in The Dalles — and find the best time to visit.
Monthly Temperature in The Dalles
Visitors to The Dalles can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 31°C (88°F) in July, the warmest time of the year, to a chilly 5°C (41°F) during cooler months like December.
At night, you can expect temperatures ranging from 14°C (57°F) in July to around -2°C (28°F) during December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in The Dalles
The Dalles's climate is marked by below-average rain/snowfall, accumulating 406 mm (16 in) of precipitation yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives moderate snow/rainfall, averaging 98 mm (3.9 in) of precipitation, recorded across 17 snowy/rainy days. In contrast, the driest month July brings less rainfall, with 3.6 mm (0.1 in) over 2 rainy days. For more details, please visit our The Dalles Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in The Dalles
Seasonal changes in sunshine hours are quite dramatic in The Dalles. While July receives considerable daily sunshine with up to 11.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit The Dalles
The weather does bring rainfall during this period, between 8 mm (0.3 in) and 29 mm (1.1 in). Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in The Dalles
What is the best time to visit The Dalles?
May, June, September and October typically offer the most optimal weather in The Dalles. In contrast, January, February, November and December tend to have less optimal conditions. The Dalles has a distinct dry season from February to October.
What temperatures can I expect in The Dalles?
Daytime highs range from 5°C (41°F) in December to 31°C (88°F) in July. Nighttime lows range from -2°C (28°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does The Dalles get?
Annual rainfall is around 406 mm (16 in). December is the wettest month with 98 mm (3.9 in), while July is the driest with 3.6 mm (0.1 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is The Dalles?
The Dalles receives around 2,341 hours of sunshine per year. July is the sunniest month with 331 hours, while December is the cloudiest with just 70 hours. Overall, The Dalles enjoys abundant sunshine.
The Dalles 3-Day Forecast
The Dalles (OR) 3-Day Forecast
The Dalles on the map
The Dalles is highlighted — select any city to see its climate.
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