Rosalia, WA Climate


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Rosalia, WA has a dry continental climate with hot summers and cold winters. The average temperature in summer is around 77°F and the average temperature in winter is around 34°F. Precipitation is low throughout the year, at an average of 17 inches annually. There are generally sunny days all year long with occasional storms in spring and fall. Winters can be quite cold at times, but usually don't see much snowfall due to the typically dry conditions.

Rosalia, Washington gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Rosalia averages 30 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 173 sunny days per year in Rosalia. The US average is 205 sunny days.

Rosalia gets some kind of precipitation, on average, 108 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 83 degrees
Winter Low: the January low is 23
Rain: averages 18 inches of rain a year
Snow: averages 30 inches of snow a year


Bestplaces Comfort Index

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

9 Summer - 4.3 Winter
July, August and September are the most pleasant months in Rosalia, while December and January are the least comfortable months.

  ClimateRosalia, WashingtonUnited States
  17.7 in.38.1 in.
  30.2 in.27.8 in.
  107.5 days106.2 days
  173 days205 days
  83.2°85.8°
  23.2°21.7°
  6.87
  34.3
  2238 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 Rosalia with an average high temperature of 83.5°, which ranks it as warmer than most places in Washington. In Rosalia, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rosalia are September, June and July.
In Rosalia, there are 16.3 days annually when the high temperature is over 90°, which is hotter than most places in Washington.
December has the coldest nighttime temperatures for Rosalia with an average of 21.5°. This is colder than most places in Washington.
In Rosalia, there are 146.8 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Washington.
In Rosalia, there are 2.7 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Washington.
Humidity is low in Rosalia, and some people might find the dryness to be uncomfortable. Days with noticeable humidity are rare throughout the year. A very dry climate can lead to cracked, itchy skin and dry eyes.
December is the wettest month in Rosalia with 2.6 inches of rain, and the driest month is August with 0.5 inches. The wettest season is Spring with 33% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 17.7 inches in Rosalia means that it is drier than most places in Washington.
November is the rainiest month in Rosalia with 13.5 days of rain, and August is the driest month with only 3.5 rainy days. There are 107.5 rainy days annually in Rosalia, 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 30.2 inches in Rosalia means that it is snowier than most places in Washington. December is the snowiest month in Rosalia with 11.4 inches of snow, and 5 months of the year have significant snowfall.
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