Zip 20832 (Olney, MD) Climate

Olney, MD has a humid subtropical climate with warm and humid summers and cool winters. Average monthly temperatures range from 34°F in January to 77°F in July. The highest temperature ever recorded in Olney was 105°F in August of 1932. Precipitation is abundant throughout the year, with an average annual total of 45 inches and about 4 inches of snowfall annually. Summer months typically see frequent thunderstorms, mostly due to the Gulf stream that helps bring moisture into the area.

Olney (zip 20832), Maryland gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Olney (zip 20832) averages 16 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 202 sunny days per year in Olney (zip 20832). The US average is 205 sunny days.

Olney (zip 20832) gets some kind of precipitation, on average, 112 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 87 degrees
Winter Low: the January low is 25
Rain: averages 43 inches of rain a year
Snow: averages 16 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 20832 zip code is 7.3 (10=best), which means it is more comfortable than most places in Maryland.

8.2 Summer - 5.7 Winter

September, June and May are the most pleasant months in the 20832 zip code, while January and February are the least comfortable months.

Climate	Olney, Maryland	United States
	Unlock	38.1 in.
	15.8 in.	Unlock
	Unlock	106.2 days
	202 days	Unlock
	87.0°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	489 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 the 20832 zip code with an average high temperature of 87.0°, which ranks it as about average compared to other places in Maryland. In the 20832 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 20832 zip code are September, May and June.

In the 20832 zip code, there are 25.2 days annually when the high temperature is over 90°, which is about average compared to other places in Maryland.

January has the coldest nighttime temperatures for the 20832 zip code with an average of 25.0°. This is about average compared to other places in Maryland.

In the 20832 zip code, there are 90.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Maryland.

In the 20832 zip code, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Maryland.

The humidity is usually acceptable in the 20832 zip code but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most uncomfortably humid months in the 20832 zip code.

May is the wettest month in the 20832 zip code with 4.3 inches of rain, and the driest month is February with 2.9 inches. The wettest season is Summer with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 43.4 inches in the 20832 zip code means that it is about average compared to other places in Maryland.

May is the rainiest month in the 20832 zip code with 11.5 days of rain, and August is the driest month with only 8.1 rainy days. There are 112.3 rainy days annually in the 20832 zip code, which is about average compared to other places in Maryland. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 15.8 inches in the 20832 zip code means that it is about average compared to other places in Maryland. January is the snowiest month in the 20832 zip code with 6.2 inches of snow, and 5 months of the year have significant snowfall.

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