Zip 74021 (Collinsville, OK) Climate

74021 Collinsville, OK is located in northeast Oklahoma and has a temperate climate throughout the year, with warm summers and mild winters. The area experiences hot summers, with day time temperatures reaching into the mid to high 80s and overnight lows in the upper 60s. During winter months, temperatures generally stay in the 40s and 50s during the day but may drop into the 20s at night. Precipitation is spread evenly throughout most of the year, with an average annual total of around 46 inches.

Collinsville (zip 74021), Oklahoma gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Collinsville (zip 74021) averages 8 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 230 sunny days per year in Collinsville (zip 74021). The US average is 205 sunny days.

Collinsville (zip 74021) gets some kind of precipitation, on average, 88 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 92 degrees
Winter Low: the January low is 26
Rain: averages 42 inches of rain a year
Snow: averages 8 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 74021 zip code is 7.1 (10=best), which means it is one of the least comfortable places in Oklahoma.

5.6 Summer - 6.4 Winter

May, September and October are the most pleasant months in the 74021 zip code, while July and August are the least comfortable months.

Climate	Collinsville, Oklahoma	United States
	Unlock	38.1 in.
	7.8 in.	Unlock
	Unlock	106.2 days
	230 days	Unlock
	91.9°	85.8°
	Unlock	21.7°
	7.1	Unlock
	Unlock	4.3
	655 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.

August is the hottest month for the 74021 zip code with an average high temperature of 92.2°, which ranks it as cooler than most places in Oklahoma. In the 74021 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 74021 zip code are May, September and October.

In the 74021 zip code, there are 57.0 days annually when the high temperature is over 90°, which is cooler than most places in Oklahoma.

January has the coldest nighttime temperatures for the 74021 zip code with an average of 26.0°. This is about average compared to other places in Oklahoma.

In the 74021 zip code, there are 78.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Oklahoma.

In the 74021 zip code, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Oklahoma.

The humidity can be uncomfortably heavy or close in the 74021 zip code during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in the 74021 zip code.

May is the wettest month in the 74021 zip code with 5.6 inches of rain, and the driest month is January with 1.7 inches. The wettest season is Summer with 31% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 42.4 inches in the 74021 zip code means that it is about average compared to other places in Oklahoma.

May is the rainiest month in the 74021 zip code with 10.2 days of rain, and February is the driest month with only 5.9 rainy days. There are 88.3 rainy days annually in the 74021 zip code, which is rainier than most places in Oklahoma. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 21% chance of a rainy day.

An annual snowfall of 7.8 inches in the 74021 zip code means that it is snowier than most places in Oklahoma. January is the snowiest month in the 74021 zip code with 2.5 inches of snow, and 4 months of the year have significant snowfall.

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