2025 Compare Climate & Weather:
Los Alamos, NM vs Columbus, MT

Highlights

On average, there are 202 sunny days per year in Columbus. Los Alamos averages 276 sunny days per year. The US average is 205 sunny days.

Columbus, Montana gets 14 inches of rain, on average, per year. Los Alamos, New Mexico gets 16.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Columbus averages 43 inches of snow per year. Los Alamos averages 38.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Columbus, Montana
Summer High: the July high is around 86.2 degrees
Winter Low: the January low is 13.1
Rain: averages 14 inches of rain a year
Snow: averages 43 inches of snow a year

Los Alamos, New Mexico
Summer High: the July high is around 83.8 degrees
Winter Low: the January low is 18.6
Rain: averages 16.4 inches of rain a year
Snow: averages 38.5 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Columbus is 6.9 (10=best), which means it is one of the most pleasant places in Montana.

The annual BestPlaces Comfort Index for Los Alamos is 7.4 (10=best), which means it is less comfortable than most places in New Mexico.

Today's Weather - Los Alamos, NM

64°F

Today's Weather - Columbus, MT

77°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Los Alamos / Columbus

July is the hottest month for Los Alamos with an average high temperature of 83.8°, which ranks it as cooler than most places in New Mexico. In Los Alamos, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Los Alamos are September, August and June.

July is the hottest month for Columbus with an average high temperature of 86.2°, which ranks it as warmer than most places in Montana. In Columbus, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Columbus are June, September and August.

January has the coldest nighttime temperatures for Los Alamos with an average of 18.6°. This is about average compared to other places in New Mexico.

January has the coldest nighttime temperatures for Columbus with an average of 13.1°. This is about average compared to other places in Montana.

In Los Alamos, there are 9.5 days annually when the high temperature is over 90°, which is cooler than most places in New Mexico.

In Columbus, there are 23.2 days annually when the high temperature is over 90°, which is hotter than most places in Montana.

In Los Alamos, there are 155.4 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in New Mexico.

In Columbus, there are 175.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Montana.

In Los Alamos, there are 0.9 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in New Mexico.

In Columbus, there are 15.4 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Montana.

August is the wettest month in Los Alamos with 2.8 inches of rain, and the driest month is February with 0.7 inches. The wettest season is Autumn with 41% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 16.4 inches in Los Alamos means that it is wetter than most places in New Mexico.


May is the wettest month in Columbus with 2.6 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Summer with 39% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 14.0 inches in Columbus means that it is about average compared to other places in Montana.

August is the rainiest month in Los Alamos with 12.4 days of rain, and January is the driest month with only 4.5 rainy days. There are 80.0 rainy days annually in Los Alamos, which is one of the rainiest places in New Mexico. The rainiest season is Autumn when it rains 37% of the time and the driest is Spring with only a 18% chance of a rainy day.

May is the rainiest month in Columbus with 10.0 days of rain, and January is the driest month with only 4.5 rainy days. There are 78.0 rainy days annually in Columbus, which is less rainy than most places in Montana. The rainiest season is Summer when it rains 32% of the time and the driest is Spring with only a 18% chance of a rainy day.

An annual snowfall of 38.5 inches in Los Alamos means that it is snowier than most places in New Mexico.

An annual snowfall of 43.0 inches in Columbus means that it is about average compared to other places in Montana.

December is the snowiest month in Los Alamos with 8.9 inches of snow, and 7 months of the year have significant snowfall.

March is the snowiest month in Columbus with 7.8 inches of snow, and 9 months of the year have significant snowfall.