Union County, NM Climate

Union, New Mexico County has a mild climate with four distinct seasons. In the spring and fall, temperatures average in the mid to upper 70's during the day with cooler evenings. Summers are hot and dry with temperatures often reaching into the 90s. Winter months bring colder weather, with low temperatures often dropping into the 20s. Rainfall is usually light throughout the year, although thunderstorms can occur during the summer months. Snowfall is also rare in Union County, occurring only occasionally each winter.

Union County, New Mexico gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 261 sunny days per year in Union County. The US average is 205 sunny days.

Union County gets some kind of precipitation, on average, 64 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 86 degrees
Winter Low: the January low is 18
Rain: averages 18 inches of rain a year
Snow: averages 28 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Union County is 7.7 (10=best), which means it is about average compared to other places in New Mexico.

9 Summer - 6.1 Winter

September, June and August are the most pleasant months in Union County, while December and January are the least comfortable months.

Climate	Union, New Mexico	United States
	17.6 in.	38.1 in.
	28.2 in.	27.8 in.
	64.3 days	106.2 days
	261 days	205 days
	86.3°	85.8°
	18.1°	21.7°
	7.7	7
	5.3	4.3
	5440 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 County with an average high temperature of 86.3°, which ranks it as cooler than most places in New Mexico. In Union County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Union County are September, May and June.

In Union County, there are 22.6 days annually when the high temperature is over 90°, which is cooler than most places in New Mexico.

January has the coldest nighttime temperatures for Union County with an average of 18.1°. This is about average compared to other places in New Mexico.

In Union County, there are 150.0 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in New Mexico.

In Union County, there are 3.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in New Mexico.

Humidity in Union County 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 June.

August is the wettest month in Union County with 3.2 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 49% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 17.6 inches in Union County means that it is wetter than most places in New Mexico.

August is the rainiest month in Union County with 9.3 days of rain, and January is the driest month with only 2.9 rainy days. There are 64.3 rainy days annually in Union County, which is rainier than most places in New Mexico. The rainiest season is Autumn when it rains 40% of the time and the driest is Spring with only a 15% chance of a rainy day.

An annual snowfall of 28.2 inches in Union County means that it is snowier than most places in New Mexico. December is the snowiest month in Union County with 5.9 inches of snow, and 7 months of the year have significant snowfall.

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