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Copalis Beach (WA) Weather and Climate: A Comprehensive Guide

The climate in Copalis Beach is marked by big temperature swings throughout the year. Temperatures range from pleasant during the warmest months to cold in the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

In Copalis Beach, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a pleasant 21°C in August to a chilly 8°C in December.

Nighttime temperatures can drop, with average lows reaching 3°C in December. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Copalis Beach experiences significant rain/snowfall throughout the year, averaging 2287 mm of precipitation annually. The seasons in Copalis Beach, bring significant changes in precipitation. The wettest month, November, receives heavy rainfall, with an average of 379 mm of precipitation. This rainfall is distributed across 24 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 32 mm over 9 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Copalis Beach Precipitation page.

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

Forecast for Copalis Beach (WA)

Fri   Dec 27
11°C | 6°C
S 10 m/s
29 mm
overcast and heavy rain

overcast and heavy rain

Sat   Dec 28
10°C | 7°C
SW 10 m/s
14 mm
broken clouds and rain

broken clouds and rain

Sun   Dec 29
8°C | 5°C
W 6 m/s
15 mm
broken clouds and rain

broken clouds and rain

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

During the months of August 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:
  • Which is the warmest month in Copalis Beach?
    August has an average maximum temperature of 21°C and is the warmest month of the year.
  • Which is the coldest month in Copalis Beach?
    The coldest month is December with an average maximum temperature of 8°C.
  • Which is the wettest month in Copalis Beach?
    November tops the wettest month list with 379 mm of rainfall.
  • Which is the driest month in Copalis Beach?
    July is the driest month with 32 mm of precipitation.

  • 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.