Dallam County, TX Climate

Dallam County, Texas has a warm and humid climate with an average of 265 sunny days per year. Summers are hot and humid, with temperatures commonly in the 90s and occasional 100-degree days. Winters tend to be mild but do experience cold spells with temperatures often dipping into the 30s and 40s. The annual rainfall averages 22 inches throughout the year, making it one of the drier areas in Texas. Due to its arid climate, Dallam County is subject to droughts which can create water shortages for residents.

Dallam County, Texas gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Dallam County averages 20 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 Dallam County. The US average is 205 sunny days.

Dallam County gets some kind of precipitation, on average, 53 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 91 degrees
Winter Low: the January low is 20
Rain: averages 17 inches of rain a year
Snow: averages 20 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Dallam County is 7.8 (10=best), which means it is one of the most pleasant places in Texas.

8.5 Summer - 6.3 Winter

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

Climate	Dallam, Texas	United States
	Unlock	38.1 in.
	19.7 in.	Unlock
	Unlock	106.2 days
	261 days	Unlock
	90.7°	85.8°
	Unlock	21.7°
	7.8	Unlock
	Unlock	4.3
	4160 ft.	Unlock

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 Dallam County with an average high temperature of 90.7°, which ranks it as one of the coolest places in Texas. In Dallam County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dallam County are May, September and October.

In Dallam County, there are 51.7 days annually when the high temperature is over 90°, which is one of the coolest places in Texas.

January has the coldest nighttime temperatures for Dallam County with an average of 19.6°. This is one of the coldest places in Texas.

In Dallam County, there are 135.0 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Texas.

In Dallam County, there are 1.8 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Texas.

Humidity in Dallam 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 Dallam County with 2.9 inches of rain, and the driest month is February with 0.4 inches. The wettest season is Autumn with 45% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 17.4 inches in Dallam County means that it is one of the driest places in Texas.

August is the rainiest month in Dallam County with 7.1 days of rain, and January is the driest month with only 2.4 rainy days. There are 52.8 rainy days annually in Dallam County, which is less rainy than most places in Texas. The rainiest season is Autumn when it rains 38% of the time and the driest is Spring with only a 15% chance of a rainy day.

An annual snowfall of 19.7 inches in Dallam County means that it is one of the snowiest places in Texas. January is the snowiest month in Dallam County with 4.7 inches of snow, and 7 months of the year have significant snowfall.

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