Calvert County, MD Weather


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United States / Maryland / / Calvert County / Cities / Zip Codes

The most pleasant months of the year for Calvert County are September, May and June. In Calvert County, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Calvert County with an average high temperature of 87.2°, which ranks it as about average compared to other places in Maryland. January is the snowiest month in Calvert County with 5.9 inches of snow, and 5 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.

Today's Weather - Calvert, MD

10 AM PST

Mostly Sunny

68°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
This AfternoonMostly Sunny72° / 57°E 5 mph
TuesdayPatchy Fog then Mostly Sunny76° / 59°S 3 to 8 mph
WednesdayMostly Sunny83° / 68°S 5 to 8 mph
ThursdayMostly Sunny then Chance Showers And Thunderstorms85° / 63°SW 7 mph
FridaySlight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms79° / 61°N 5 mph
SaturdayChance Showers And Thunderstorms76° / 60°E 6 mph
SundayChance Showers And Thunderstorms78° / 63°SE 5 to 8 mph

Weather Highlights

Summer High: the July high is around 87 degrees
Winter Low: the January low is 26
Rain: averages 45 inches of rain a year
Snow: averages 15 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Calvert County area is 8 (10=best), which means it is more comfortable than most places in Maryland.

8 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January44° 26°
February48° 28°
March56° 35°
April67° 44°
May75° 53°
June83° 63°
July87° 68°
August85° 66°
September79° 59°
October68° 48°
November59° 39°
December48° 30°
Hot, Freezing, Rainy, Snowy Days: Calvert
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January02392
February01992
March012101
April02100
May10100
June50100
July100100
August6080
September2080
October0180
November0890
December01991

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.

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