2025 Compare Climate & Weather:
Holloman AFB, NM vs Sumter, SC

Highlights

On average, there are 222 sunny days per year in Sumter. Holloman AFB averages 285 sunny days per year. The US average is 205 sunny days.

Sumter, South Carolina gets 47.4 inches of rain, on average, per year. Holloman AFB, New Mexico gets 11.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sumter averages 0.7 inches of snow per year. Holloman AFB averages 2.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Sumter, South Carolina
Summer High: the July high is around 91.5 degrees
Winter Low: the January low is 33.9
Rain: averages 47.4 inches of rain a year
Snow: averages 0.7 inches of snow a year

Holloman AFB, New Mexico
Summer High: the July high is around 94.6 degrees
Winter Low: the January low is 27.1
Rain: averages 11.3 inches of rain a year
Snow: averages 2.3 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Sumter is 7.4 (10=best), which means it is more comfortable than most places in South Carolina.

The annual BestPlaces Comfort Index for Holloman AFB is 7.9 (10=best), which means it is more comfortable than most places in New Mexico.

Today's Weather - Holloman AFB, NM

71°F

Today's Weather - Sumter, SC

82°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Holloman AFB / Sumter

June is the hottest month for Holloman AFB with an average high temperature of 94.7°, which ranks it as one of the hottest places in New Mexico. In Holloman AFB, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Holloman AFB are April, October and May.

July is the hottest month for Sumter with an average high temperature of 91.5°, which ranks it as warmer than most places in South Carolina. In Sumter, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sumter are April, October and May.

December has the coldest nighttime temperatures for Holloman AFB with an average of 26.8°. This is warmer than most places in New Mexico.

January has the coldest nighttime temperatures for Sumter with an average of 33.9°. This is warmer than most places in South Carolina.

In Holloman AFB, there are 90.7 days annually when the high temperature is over 90°, which is hotter than most places in New Mexico.

In Sumter, there are 61.5 days annually when the high temperature is over 90°, which is hotter than most places in South Carolina.

In Holloman AFB, there are 86.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New Mexico.

In Sumter, there are 45.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Carolina.

In Holloman AFB, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New Mexico.

In Sumter, 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.

August is the wettest month in Holloman AFB with 2.2 inches of rain, and the driest month is March with 0.3 inches. The wettest season is Autumn with 43% of yearly precipitation and 10% occurs in Summer, which is the driest season. The annual rainfall of 11.3 inches in Holloman AFB means that it is drier than most places in New Mexico.


August is the wettest month in Sumter with 5.4 inches of rain, and the driest month is November with 2.9 inches. The wettest season is Autumn with 34% of yearly precipitation and 21% occurs in Winter, which is the driest season. The annual rainfall of 47.4 inches in Sumter means that it is about average compared to other places in South Carolina.

August is the rainiest month in Holloman AFB with 8.7 days of rain, and April is the driest month with only 2.0 rainy days. There are 52.2 rainy days annually in Holloman AFB, which is less rainy than most places in New Mexico. The rainiest season is Autumn when it rains 39% of the time and the driest is Summer with only a 15% chance of a rainy day.

July is the rainiest month in Sumter with 10.8 days of rain, and October is the driest month with only 6.9 rainy days. There are 104.0 rainy days annually in Sumter, which is about average compared to other places in South Carolina. The rainiest season is Autumn when it rains 31% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 2.3 inches in Holloman AFB means that it is one of the least snowy places in New Mexico.

An annual snowfall of 0.7 inches in Sumter means that it is about average compared to other places in South Carolina.

January is the snowiest month in Holloman AFB with 0.9 inches of snow, and 2 months of the year have significant snowfall.

January is the snowiest month in Sumter with 0.5 inches of snow, and 1 month of the year have significant snowfall.