The Dalles (OR) Climate by Month
The temperature in The Dalles can vary quite a bit throughout the year.
Temperatures can be very warm during the warmest months,
and cold during the cooler months.
It maintains relatively low levels of precipitation throughout the seasons.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
Visitors to The Dalles can expect significant temperature changes throughout the year. Average daytime temperatures range from a very warm 31°C in July, the warmest time of the year, to a chilly 5°C during cooler months like December. At night, temperatures typically average around -2°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
The Dalles's climate is marked by below-average rain/snowfall, accumulating 406 mm of precipitation yearly. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives moderate snow/rainfall, averaging 98 mm of precipitation, recorded across 17 snowy/rainy days. In contrast, the drier season, July brings less rainfall, with 3.6 mm over 2 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
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.Monthly hours of sunshine
Daily hours of sunshine
The best time of year to visit The Dalles in the United States of America
During the months of May and June 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:
The hottest season / summer takes place in June, July, August and September.
Yes, the months of June, July, August and September are very dry.
July has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 5°C.
December tops the wettest month list with 98 mm of rainfall.
July is the driest month with 4 mm of precipitation.
July is the sunniest month with an average of 331 hours of sunshine.
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.
