2025 Compare Climate & Weather:
Morristown, NJ vs Gaithersburg, MD

Highlights

On average, there are 202 sunny days per year in Gaithersburg. Morristown averages 209 sunny days per year. The US average is 205 sunny days.

Gaithersburg, Maryland gets 42.2 inches of rain, on average, per year. Morristown, New Jersey gets 50.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Gaithersburg averages 21.4 inches of snow per year. Morristown averages 26.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Gaithersburg, Maryland
Summer High: the July high is around 85.1 degrees
Winter Low: the January low is 25
Rain: averages 42.2 inches of rain a year
Snow: averages 21.4 inches of snow a year

Morristown, New Jersey
Summer High: the July high is around 84.8 degrees
Winter Low: the January low is 19.6
Rain: averages 50.8 inches of rain a year
Snow: averages 26.1 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Morristown is 7.2 (10=best), which means it is about average compared to other places in New Jersey.

Today's Weather - Morristown, NJ

61°F

Today's Weather - Gaithersburg, MD

73°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Morristown / Gaithersburg

July is the hottest month for Morristown with an average high temperature of 84.8°, which ranks it as about average compared to other places in New Jersey. In Morristown, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Morristown are September, June and August.

July is the hottest month for Gaithersburg with an average high temperature of 85.1°, which ranks it as one of the coolest places in Maryland. In Gaithersburg, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Gaithersburg are September, June and May.

January has the coldest nighttime temperatures for Morristown with an average of 19.6°. This is colder than most places in New Jersey.

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

In Morristown, there are 14.3 days annually when the high temperature is over 90°, which is about average compared to other places in New Jersey.

In Gaithersburg, there are 15.3 days annually when the high temperature is over 90°, which is cooler than most places in Maryland.

In Morristown, there are 120.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in New Jersey.

In Gaithersburg, there are 90.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Maryland.

In Morristown, there are 1.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in New Jersey.

In Gaithersburg, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Maryland.

July is the wettest month in Morristown with 5.1 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 50.8 inches in Morristown means that it is one of the wettest places in New Jersey.


May is the wettest month in Gaithersburg with 4.3 inches of rain, and the driest month is February with 2.7 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 42.2 inches in Gaithersburg means that it is drier than most places in Maryland.

May is the rainiest month in Morristown with 11.7 days of rain, and February is the driest month with only 8.0 rainy days. There are 114.6 rainy days annually in Morristown, which is less rainy than most places in New Jersey. 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.

May is the rainiest month in Gaithersburg with 11.6 days of rain, and August is the driest month with only 8.2 rainy days. There are 112.7 rainy days annually in Gaithersburg, which is about average compared to other 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 26.1 inches in Morristown means that it is snowier than most places in New Jersey.

An annual snowfall of 21.4 inches in Gaithersburg means that it is snowier than most places in Maryland.

January is the snowiest month in Morristown with 8.1 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Gaithersburg with 8.5 inches of snow, and 5 months of the year have significant snowfall.