Union, Washington Weather

The most pleasant months of the year for Union are August, July and September. In Union, there are 4 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for Union with an average high temperature of 76.4°, which ranks it as cooler than most places in Washington. December is the snowiest month in Union with 1.1 inches of snow, and 3 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.

Average Monthly High and Low (°F)

	High	Low
January	46°	35°
February	49°	34°
March	54°	36°
April	59°	39°
May	65°	45°
June	70°	49°
July	76°	52°
August	76°	52°
September	71°	48°
October	60°	42°
November	50°	38°
December	44°	34°

Hot, Freezing, Rainy, Snowy Days: Union

	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0	11	20	0
February	0	10	15	1
March	0	7	19	0
April	0	3	16	0
May	0	0	12	0
June	0	0	9	0
July	1	0	5	0
August	1	0	5	0
September	0	0	7	0
October	0	2	14	0
November	0	6	20	0
December	0	11	19	1

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.