Zip 21078 (Havre de Grace, MD) Climate

Havre de Grace, MD located in zip code 21078 has a humid subtropical climate. Summers are hot and humid with temperatures reaching into the high 80s and low 90s. Winters are cold and wet, with average temperatures in the mid-30s to low 40s. Precipitation is generally plentiful throughout the year, especially during spring and late summer/early fall. Thunderstorms can be expected during late spring through early autumn months. The area is known for its mild winters and hot, humid summers.

Havre de Grace (zip 21078), Maryland gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Havre de Grace (zip 21078) averages 15 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 209 sunny days per year in Havre de Grace (zip 21078). The US average is 205 sunny days.

Havre de Grace (zip 21078) gets some kind of precipitation, on average, 124 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 23
Rain: averages 46 inches of rain a year
Snow: averages 15 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 21078 zip code is 7.2 (10=best), which means it is less comfortable than most places in Maryland.

8.3 Summer - 5.5 Winter

September, June and May are the most pleasant months in the 21078 zip code, while January and February are the least comfortable months.

Climate	Havre de Grace, Maryland	United States
	46.1 in.	38.1 in.
	15.3 in.	27.8 in.
	123.7 days	106.2 days
	209 days	205 days
	86.9°	85.8°
	23.1°	21.7°
	7.2	7
	3.9	4.3
	194 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 the 21078 zip code with an average high temperature of 86.9°, which ranks it as cooler than most places in Maryland. In the 21078 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 21078 zip code are September, June and May.

In the 21078 zip code, there are 22.4 days annually when the high temperature is over 90°, which is cooler than most places in Maryland.

January has the coldest nighttime temperatures for the 21078 zip code with an average of 23.1°. This is colder than most places in Maryland.

In the 21078 zip code, there are 101.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Maryland.

In the 21078 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 comfortable in the 21078 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. The most humid months are July, August and June.

September is the wettest month in the 21078 zip code with 4.8 inches of rain, and the driest month is February with 2.9 inches. The wettest season is Winter with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 46.1 inches in the 21078 zip code means that it is one of the wettest places in Maryland.

May is the rainiest month in the 21078 zip code with 11.9 days of rain, and October is the driest month with only 8.9 rainy days. There are 123.7 rainy days annually in the 21078 zip code, which is rainier than most places in Maryland. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 15.3 inches in the 21078 zip code means that it is about average compared to other places in Maryland. January is the snowiest month in the 21078 zip code with 6.5 inches of snow, and 4 months of the year have significant snowfall.

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