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Stevenson (WA) Weather and Climate: A Comprehensive Guide

The temperature in Stevenson can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It also has a notably wet climate with much precipitation. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

Visitors to Stevenson can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 27°C in August, the warmest time of the year, to a chilly 5°C during cooler months like December.

At night, temperatures typically drop to an average of around -0°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Stevenson is known for its substantial rain/snowfall, with annual precipitation reaching 1969 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives heavy snow/rainfall, averaging 361 mm of precipitation, recorded across 24 snowy/rainy days. In contrast, the drier season, July brings less rainfall, with 14 mm over 4 rainy days. For more details, please visit our Stevenson Precipitation page.

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

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Stevenson. While July receives considerable daily sunshine with up to 11.1 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.1 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Portland, the United States of America (56 KM, 35 Miles).

Daily hours of sunshine

Data from: Portland, the United States of America (56 KM, 35 Miles).

Forecast for Stevenson (WA)

Fri   Dec 27
13°C | 4°C
SW 5 m/s
27 mm
overcast and rain

overcast and rain

Sat   Dec 28
12°C | 7°C
SW 4 m/s
17 mm
overcast and heavy rain

overcast and heavy rain

Sun   Dec 29
10°C | 6°C
SW 3 m/s
23 mm
overcast and heavy rain

overcast and heavy rain

The best time of year to visit Stevenson in the United States of America

During the months of June and September 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:
  • Does Stevenson have a dry season?
    Yes, the months of July and August are very dry.
  • Which is the warmest month in Stevenson?
    August has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Stevenson?
    The coldest month is December with an average maximum temperature of 5°C.
  • Which is the wettest month in Stevenson?
    December tops the wettest month list with 361 mm of rainfall.
  • Which is the driest month in Stevenson?
    July is the driest month with 14 mm of precipitation.
  • Which is the sunniest month in Stevenson?
    July is the sunniest month with an average of 332 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.