Dallas (OR) Weather & Climate: Best Time to Visit

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

Climate overview of Dallas

Dallas, Oregon, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 28°C (82°F) in August, while winters cool to 7°C (45°F) in December.

The city receives considerable rain/snowfall, with around 1261 mm (50 in) annually. December is the wettest month. It has distinct dry (June to September) and wet (November to January) seasons. July is the sunniest month, averaging 11.8 hours of sunshine per day.

Dallas Weather by Month

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

Monthly Temperature in Dallas

Depending on the time of the year, temperatures range from comfortable to chilly in Dallas. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in August to a chilly 7°C (45°F) in the coolest month, December.

Nights vary from 11°C (52°F) in August to around 1°C (34°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Dallas

Dallas has a relatively rain/snowy climate with high precipitation levels, averaging 1261 mm (50 in) of rain/snowfall annually. The climate in Dallas shows significant variation throughout the year. Expect heavy rainfall in December, the wettest month, with an average of 256 mm (10 in) of precipitation over 21 rainy days.

In contrast, the driest month July offers drier and sunnier days, with around 7.3 mm (0.3 in) of rainfall over 3 rainy days. For more details, please visit our Dallas Precipitation page.

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

Sunshine Hours in Dallas

For those who appreciate different seasons, Dallas serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.8 hours of sunshine daily, and embrace the darker days in December, offering only 2.5 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Salem, the United States of America (22 KM, 13 Miles).

Daily hours of sunshine

Data from: Salem, the United States of America (22 KM, 13 Miles).

Best Time to Visit Dallas

During the months of May, June, July, August and September, Dallas enjoys pleasant weather with average temperatures ranging from 20°C (67°F) to 28°C (82°F). These months are perfect for sightseeing and exploring.

Rainfall during this time ranges from 7 mm (0.3 in) in July to 55 mm (2.2 in) in May. This means you can expect a mix of sunny days and occasional showers.

The rainy season falls during January, March, November and December, bringing heavy precipitation.

Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.

Frequently asked questions about the climate in Dallas

What is the best time to visit Dallas?

May, June, July, August and September typically offer the most optimal weather in Dallas. In contrast, January, February, March, November and December tend to have less optimal conditions. Dallas has distinct dry (June to September) and wet (November to January) seasons.

What temperatures can I expect in Dallas?

Daytime highs range from 7°C (45°F) in December to 28°C (82°F) in August. Nighttime lows range from 1°C (34°F) to 11°C (52°F). Temperatures vary considerably through the year.

How much rain does Dallas get?

Annual rainfall is around 1261 mm (50 in). December is the wettest month with 256 mm (10 in), while July is the driest with 7.3 mm (0.3 in).

How sunny is Dallas?

Dallas receives around 2,485 hours of sunshine per year. July is the sunniest month with 353 hours, while December is the cloudiest with just 76 hours. Overall, Dallas enjoys abundant sunshine.

Dallas 3-Day Forecast

Dallas (OR) 3-Day Forecast

Dallas on the map

Dallas is highlighted — select any city to see its climate.

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