Climate in Ellicott City, MD

Ellicott City, MD has a humid subtropical climate with hot and humid summers and mild winters. In summer, temperatures typically range from the mid 70s to the upper 90s Fahrenheit while in winter temperatures generally stay between the low 30s and 50s Fahrenheit. The area gets around 45 inches of rain annually, making it one of the more humid regions in Maryland. Thunderstorms are frequent during spring, summer, and autumn months. Snowfall is usually light and sometimes mixed with rain during winter months.

Ellicott City, Maryland gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Ellicott City averages 18 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 206 sunny days per year in Ellicott City. The US average is 205 sunny days.

Ellicott City gets some kind of precipitation, on average, 114 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.

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Weather Highlights

Summer High: the July high is around 88 degrees
Winter Low: the January low is 24
Rain: averages 45 inches of rain a year
Snow: averages 18 inches of snow a year

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BESTPLACES COMFORT INDEX

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

September, June and May are the most pleasant months in Ellicott City, while January and February are the least comfortable months.

July is the hottest month for Ellicott City with an average high temperature of 87.9°, which ranks it as warmer than most places in Maryland. In Ellicott City, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Ellicott City are September, May and June.

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In Ellicott City, there are 29.2 days annually when the high temperature is over 90°, which is hotter than most places in Maryland.

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January has the coldest nighttime temperatures for Ellicott City with an average of 23.9°. This is colder than most places in Maryland.

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In Ellicott City, there are 100.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Maryland.

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In Ellicott City, there are 0.9 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Maryland.

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The humidity is usually comfortable in Ellicott City 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.

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May is the wettest month in Ellicott City with 4.4 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Summer with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 45.2 inches in Ellicott City means that it is wetter than most places in Maryland.

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May is the rainiest month in Ellicott City with 11.6 days of rain, and October is the driest month with only 8.3 rainy days. There are 114.3 rainy days annually in Ellicott City, which is rainier than most 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.

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An annual snowfall of 17.6 inches in Ellicott City means that it is snowier than most places in Maryland. February is the snowiest month in Ellicott City with 6.1 inches of snow, and 5 months of the year have significant snowfall.

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