Mercer County, ND Climate

Mercer County, ND has a semi-arid continental climate which is characterized by hot summers and cold winters. Rainfall is light throughout the year, but is generally greater in the spring and summer months. Winters in Mercer County are typically cold with temperatures sometimes dropping to as low as -30 degrees Fahrenheit. Summer temperatures can reach into the 90s, though relative humidity keeps them feeling much warmer. The area experiences strong winds from both the north and south throughout the year which can make temperatures feel even cooler than they actually are.

Mercer County, North Dakota gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Mercer County averages 35 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 200 sunny days per year in Mercer County. The US average is 205 sunny days.

Mercer County gets some kind of precipitation, on average, 63 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 84 degrees
Winter Low: the January low is 2
Rain: averages 17 inches of rain a year
Snow: averages 35 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Mercer County is 6.7 (10=best), which means it is one of the most pleasant places in North Dakota.

9.2 Summer - 4.1 Winter

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

Climate	Mercer, North Dakota	United States
	Unlock	38.1 in.
	34.6 in.	Unlock
	Unlock	106.2 days
	200 days	Unlock
	83.9°	85.8°
	Unlock	21.7°
	6.7	Unlock
	Unlock	4.3
	2019 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 Mercer County with an average high temperature of 83.9°, which ranks it as warmer than most places in North Dakota. In Mercer County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mercer County are June, September and August.

In Mercer County, there are 19.7 days annually when the high temperature is over 90°, which is hotter than most places in North Dakota.

January has the coldest nighttime temperatures for Mercer County with an average of 2.4°. This is warmer than most places in North Dakota.

In Mercer County, there are 183.0 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in North Dakota.

In Mercer County, there are 35.2 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in North Dakota.

Humidity in Mercer 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 July, August and June.

June is the wettest month in Mercer County with 3.3 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 45% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 16.9 inches in Mercer County means that it is drier than most places in North Dakota.

June is the rainiest month in Mercer County with 9.1 days of rain, and February is the driest month with only 3.3 rainy days. There are 63.3 rainy days annually in Mercer County, which is one of the least rainy places in North Dakota. The rainiest season is Autumn when it rains 35% of the time and the driest is Spring with only a 17% chance of a rainy day.

An annual snowfall of 34.6 inches in Mercer County means that it is one of the least snowy places in North Dakota. December is the snowiest month in Mercer County with 7.9 inches of snow, and 8 months of the year have significant snowfall.

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