Marrowstone, WA Climate


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United States / Washington / No Metro Area / Jefferson County / Marrowstone / Zip Codes
Marrowstone, WA has an oceanic climate with mild, wet winters and warm summers. The average temperature in summer is around 21 degrees Celsius and in winter it is around 8 degrees Celsius. Rainfall is highest during the months of October through April, with an annual average of over 40 inches a year. Snow can occur occasionally in winter, but usually does not accumulate significantly on the ground. Marrowstone enjoys some sunshine throughout most of the year, with an average of over 2200 hours per year.

Marrowstone, Washington gets 23 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 159 sunny days per year in Marrowstone. The US average is 205 sunny days.

Marrowstone gets some kind of precipitation, on average, 138 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 72 degrees
Winter Low: the January low is 36
Rain: averages 23 inches of rain a year
Snow: averages 2 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Marrowstone is 7.3 (10=best), which means it is more comfortable than most places in Washington.

9 Summer - 5.7 Winter
August, July and September are the most pleasant months in Marrowstone, while December and January are the least comfortable months.

  ClimateMarrowstone, WashingtonUnited States
  23.0 in.38.1 in.
  2.1 in.27.8 in.
  138.3 days106.2 days
  159 days205 days
  71.8°85.8°
  36.1°21.7°
  7.37
  2.64.3
  23 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 Marrowstone with an average high temperature of 72.4°, which ranks it as cooler than most places in Washington. In Marrowstone, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Marrowstone are August, July and September.
In Marrowstone, there are 0.3 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 Marrowstone with an average of 35.1°. This is warmer than most places in Washington.
In Marrowstone, there are 38.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Washington.
In Marrowstone, 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 Marrowstone 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 Marrowstone with 3.4 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 34% of yearly precipitation and 13% occurs in Autumn, which is the driest season. The annual rainfall of 23.0 inches in Marrowstone means that it is drier than most places in Washington.
November is the rainiest month in Marrowstone with 16.7 days of rain, and August is the driest month with only 5.1 rainy days. There are 138.3 rainy days annually in Marrowstone, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 15% chance of a rainy day.
An annual snowfall of 2.1 inches in Marrowstone means that it is less snowy than most places in Washington. December is the snowiest month in Marrowstone with 0.8 inches of snow, and 2 months of the year have significant snowfall.
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