Allyn, WA Climate


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Allyn, WA is located in the southwestern region of Washington state and has a pleasant climate throughout the year. The summers are warm and sunny with temperatures ranging from the low 70s to mid 80s Fahrenheit (20-29 Celsius). Winters are usually mild, with average temperatures ranging from mid 40s to low 50s Fahrenheit (7-11 Celsius). Precipitation is generally moderate throughout the year, with most of it falling during the fall and winter months.

Allyn, Washington gets 54 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 136 sunny days per year in Allyn. The US average is 205 sunny days.

Allyn gets some kind of precipitation, on average, 157 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 76 degrees
Winter Low: the January low is 35
Rain: averages 54 inches of rain a year
Snow: averages 2 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Allyn is 7.2 (10=best), which means it is more comfortable than most places in Washington.

9.2 Summer - 5.3 Winter
August, July and September are the most pleasant months in Allyn, while December and January are the least comfortable months.

  ClimateAllyn, WashingtonUnited States
  54.3 in.38.1 in.
  2.3 in.27.8 in.
  156.6 days106.2 days
  136 days205 days
  75.8°85.8°
  35.4°21.7°
  7.27
  2.64.3
  26 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 Allyn with an average high temperature of 76.2°, which ranks it as cooler than most places in Washington. In Allyn, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Allyn are August, July and September.
In Allyn, 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 Allyn with an average of 34.6°. This is warmer than most places in Washington.
In Allyn, there are 38.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Washington.
In Allyn, 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 Allyn 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.
December is the wettest month in Allyn with 9.1 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 43% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 54.3 inches in Allyn means that it is wetter than most places in Washington.
November is the rainiest month in Allyn with 19.8 days of rain, and August is the driest month with only 5.0 rainy days. There are 156.6 rainy days annually in Allyn, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 13% chance of a rainy day.
An annual snowfall of 2.3 inches in Allyn means that it is less snowy than most places in Washington. December is the snowiest month in Allyn with 0.9 inches of snow, and 3 months of the year have significant snowfall.
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