Deep River, WA Climate


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United States / Washington / No Metro Area / Wahkiakum County / Deep River / Zip Codes
Deep River, WA has a warm and dry climate with mild winters and hot summers. The average daily temperatures reach highs of around 75 degrees in the summer months and lows around 24 degrees in the winter months. Rainfall is infrequent, averaging about 17 inches per year, with most of it occurring from October to May. Snowfall is relatively light, rarely accumulating more than an inch or two at a time during the winter months. This makes Deep River an ideal location for those looking for warmer weather throughout the year.

Deep River, Washington gets 100 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Deep River averages 2 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 126 sunny days per year in Deep River. The US average is 205 sunny days.

Deep River gets some kind of precipitation, on average, 199 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 69 degrees
Winter Low: the January low is 36
Rain: averages 100 inches of rain a year
Snow: averages 2 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Deep River is 6.8 (10=best), which means it is less comfortable than most places in Washington.

8.6 Summer - 5.1 Winter
August, July and September are the most pleasant months in Deep River, while December and January are the least comfortable months.

  ClimateDeep River, WashingtonUnited States
  100.0 in.38.1 in.
  2.2 in.27.8 in.
  198.8 days106.2 days
  126 days205 days
  69.2°85.8°
  36.2°21.7°
  6.87
  2.94.3
  33 ft.2443 ft.
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 Deep River with an average high temperature of 70.4°, which ranks it as one of the coolest places in Washington. In Deep River, there are 1 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Deep River are August, July and September.
In Deep River, there are 2.2 days annually when the high temperature is over 90°, which is cooler than most places in Washington.
December has the coldest nighttime temperatures for Deep River with an average of 35.2°. This is warmer than most places in Washington.
In Deep River, there are 46.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Washington.
In Deep River, 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 Deep River 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 Deep River with 15.9 inches of rain, and the driest month is July with 1.5 inches. The wettest season is Spring with 41% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 100.0 inches in Deep River means that it is one of the wettest places in Washington.
January is the rainiest month in Deep River with 22.1 days of rain, and August is the driest month with only 8.3 rainy days. There are 198.8 rainy days annually in Deep River, which is one of the rainiest places in Washington. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 15% chance of a rainy day.
An annual snowfall of 2.2 inches in Deep River means that it is less snowy than most places in Washington. January is the snowiest month in Deep River with 0.8 inches of snow, and 2 months of the year have significant snowfall.
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