2025 Compare Climate & Weather:
Gaithersburg, MD vs Pendleton, SC

Highlights

On average, there are 219 sunny days per year in Pendleton. Gaithersburg averages 202 sunny days per year. The US average is 205 sunny days.

Pendleton, South Carolina gets 50.2 inches of rain, on average, per year. Gaithersburg, Maryland gets 42.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Pendleton averages 1.8 inches of snow per year. Gaithersburg averages 21.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Pendleton, South Carolina
Summer High: the July high is around 89.8 degrees
Winter Low: the January low is 29.9
Rain: averages 50.2 inches of rain a year
Snow: averages 1.8 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Pendleton is 7.5 (10=best), which means it is one of the most pleasant places in South Carolina.

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

Today's Weather - Gaithersburg, MD

66°F

Today's Weather - Pendleton, SC

61°F

Average Monthly High / Low (°F)

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

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.

July is the hottest month for Pendleton with an average high temperature of 89.8°, which ranks it as cooler than most places in South Carolina. In Pendleton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Pendleton are May, September and October.

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

January has the coldest nighttime temperatures for Pendleton with an average of 29.9°. This is colder than most places in South Carolina.

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

In Pendleton, there are 43.8 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

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 Pendleton, there are 63.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Carolina.

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

In Pendleton, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Carolina.

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.


December is the wettest month in Pendleton with 4.8 inches of rain, and the driest month is April with 3.5 inches. The wettest season is Spring with 28% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 50.2 inches in Pendleton means that it is wetter than most places in South Carolina.

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.

July is the rainiest month in Pendleton with 10.1 days of rain, and October is the driest month with only 6.9 rainy days. There are 108.0 rainy days annually in Pendleton, which is rainier than most places in South Carolina. The rainiest season is Autumn when it rains 27% of the time and the driest is Winter with only a 22% chance of a rainy day.

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

An annual snowfall of 1.8 inches in Pendleton means that it is snowier than most places in South Carolina.

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

January is the snowiest month in Pendleton with 0.8 inches of snow, and 2 months of the year have significant snowfall.