Custer, WA Climate


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United States / Washington / Bellingham Metro Area / Whatcom County / Custer / Zip Codes
Custer, WA has a mild maritime climate characterized by cool and wet winters and warm, dry summers. The average temperature in the summer months is around 70°F (21°C) while winter temperatures typically hover around 40°F (4°C). Rainfall is fairly consistent throughout the year, with an average of about 40 inches (102 cm) per year. Snow is rare but when it does occur usually falls in January and February. Humidity levels are usually moderate, making for comfortable weather year-round.

Custer, Washington gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Custer averages 9 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 157 sunny days per year in Custer. The US average is 205 sunny days.

Custer gets some kind of precipitation, on average, 161 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 73 degrees
Winter Low: the January low is 34
Rain: averages 41 inches of rain a year
Snow: averages 9 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Custer is 7.1 (10=best), which means it is about average compared to other places in Washington.

9.1 Summer - 5.1 Winter
July, August and June are the most pleasant months in Custer, while January and December are the least comfortable months.

  ClimateCuster, WashingtonUnited States
    Unlock38.1 in.
  8.9 in.  Unlock
    Unlock106.2 days
  157 days  Unlock
  73.0°85.8°
    Unlock21.7°
  7.1  Unlock
    Unlock4.3
  39 ft.  Unlock
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for Custer with an average high temperature of 73.3°, which ranks it as cooler than most places in Washington. In Custer, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Custer are August, July and June.
In Custer, there are 0.5 days annually when the high temperature is over 90°, which is one of the coolest places in Washington.
December has the coldest nighttime temperatures for Custer with an average of 33.1°. This is about average compared to other places in Washington.
In Custer, there are 50.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Washington.
In Custer, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.
Humidity in Custer is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and September.
November is the wettest month in Custer with 6.3 inches of rain, and the driest month is July with 1.4 inches. The wettest season is Spring with 34% of yearly precipitation and 12% occurs in Autumn, which is the driest season. The annual rainfall of 40.7 inches in Custer means that it is about average compared to other places in Washington.
November is the rainiest month in Custer with 19.6 days of rain, and July is the driest month with only 6.1 rainy days. There are 161.0 rainy days annually in Custer, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 14% chance of a rainy day.
An annual snowfall of 8.9 inches in Custer means that it is snowier than most places in Washington. December is the snowiest month in Custer with 2.8 inches of snow, and 5 months of the year have significant snowfall.
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Shihan · Blaine, WA
Good things near this small town
Over 16 years ago

There is some very good shopping on or near Custer. The Custer Country store offers groceries and has very good lunch's and coffee. There is also a very good mall on  More

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