Union Gap, WA Climate


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Union Gap, WA has a semi-arid climate, where dry and hot summers are typical. Winters tend to be mild and wet, with temperatures rarely dropping below freezing. Precipitation is sparse throughout the year, averaging just 7 inches annually. The region is known for its sunny days combined with cool evenings and nights. City residents can expect occasional snowfall during the winter months but overall the climate is warm and dry.

Union Gap, Washington gets 9 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Union Gap averages 18 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 202 sunny days per year in Union Gap. The US average is 205 sunny days.

Union Gap gets some kind of precipitation, on average, 74 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 88 degrees
Winter Low: the January low is 25
Rain: averages 9 inches of rain a year
Snow: averages 18 inches of snow a year


Bestplaces Comfort Index

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

9 Summer - 5.1 Winter
June, September and August are the most pleasant months in Union Gap, while December and January are the least comfortable months.

  ClimateUnion Gap, WashingtonUnited States
  8.5 in.38.1 in.
  17.9 in.27.8 in.
  73.6 days106.2 days
  202 days205 days
  88.1°85.8°
  24.5°21.7°
  7.37
  2.64.3
  984 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.

July is the hottest month for Union Gap with an average high temperature of 88.1°, which ranks it as one of the hottest places in Washington. In Union Gap, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Union Gap are September, June and May.
In Union Gap, there are 28.3 days annually when the high temperature is over 90°, which is hotter than most places in Washington.
December has the coldest nighttime temperatures for Union Gap with an average of 23.2°. This is colder than most places in Washington.
In Union Gap, there are 124.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.
In Union Gap, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.
Humidity is low in Union Gap, 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 Union Gap with 1.4 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Spring with 38% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 8.5 inches in Union Gap means that it is one of the driest places in Washington.
December is the rainiest month in Union Gap with 10.8 days of rain, and July is the driest month with only 2.2 rainy days. There are 73.6 rainy days annually in Union Gap, which is one of the least rainy places in Washington. The rainiest season is Spring when it rains 37% of the time and the driest is Autumn with only a 13% chance of a rainy day.
An annual snowfall of 17.9 inches in Union Gap means that it is snowier than most places in Washington. December is the snowiest month in Union Gap with 8.3 inches of snow, and 5 months of the year have significant snowfall.
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