2025 Compare Climate & Weather:
Sandia Park, NM vs Helena, MT

Highlights

On average, there are 189 sunny days per year in Helena. Sandia Park averages 278 sunny days per year. The US average is 205 sunny days.

Helena, Montana gets 12.6 inches of rain, on average, per year. Sandia Park, New Mexico gets 17.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Helena averages 42.1 inches of snow per year. Sandia Park averages 38.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Helena, Montana
Summer High: the July high is around 83.4 degrees
Winter Low: the January low is 13.8
Rain: averages 12.6 inches of rain a year
Snow: averages 42.1 inches of snow a year

Sandia Park, New Mexico
Summer High: the July high is around 86 degrees
Winter Low: the January low is 21.9
Rain: averages 17.4 inches of rain a year
Snow: averages 38.7 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Helena is 6.6 (10=best), which means it is about average compared to other places in Montana.

The annual BestPlaces Comfort Index for Sandia Park is 7.6 (10=best), which means it is about average compared to other places in New Mexico.

Today's Weather - Sandia Park, NM

50°F

Today's Weather - Helena, MT

60°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sandia Park / Helena

July is the hottest month for Sandia Park with an average high temperature of 86.0°, which ranks it as cooler than most places in New Mexico. In Sandia Park, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sandia Park are September, May and August.

July is the hottest month for Helena with an average high temperature of 83.4°, which ranks it as cooler than most places in Montana. In Helena, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Helena are June, August and July.

January has the coldest nighttime temperatures for Sandia Park with an average of 21.9°. This is warmer than most places in New Mexico.

December has the coldest nighttime temperatures for Helena with an average of 13.6°. This is about average compared to other places in Montana.

In Sandia Park, there are 18.7 days annually when the high temperature is over 90°, which is cooler than most places in New Mexico.

In Helena, there are 15.5 days annually when the high temperature is over 90°, which is cooler than most places in Montana.

In Sandia Park, there are 127.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New Mexico.

In Helena, there are 170.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Montana.

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

In Helena, there are 16.6 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Montana.

August is the wettest month in Sandia Park with 2.7 inches of rain, and the driest month is February with 0.8 inches. The wettest season is Autumn with 37% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 17.4 inches in Sandia Park means that it is wetter than most places in New Mexico.


June is the wettest month in Helena with 2.1 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 37% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 12.6 inches in Helena means that it is drier than most places in Montana.

August is the rainiest month in Sandia Park with 10.0 days of rain, and April is the driest month with only 4.1 rainy days. There are 71.0 rainy days annually in Sandia Park, which is rainier than most places in New Mexico. The rainiest season is Autumn when it rains 35% of the time and the driest is Spring with only a 20% chance of a rainy day.

May is the rainiest month in Helena with 11.0 days of rain, and February is the driest month with only 5.5 rainy days. There are 89.6 rainy days annually in Helena, which is about average compared to other places in Montana. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 21% chance of a rainy day.

An annual snowfall of 38.7 inches in Sandia Park means that it is snowier than most places in New Mexico.

An annual snowfall of 42.1 inches in Helena means that it is about average compared to other places in Montana.

December is the snowiest month in Sandia Park with 8.7 inches of snow, and 7 months of the year have significant snowfall.

March is the snowiest month in Helena with 7.4 inches of snow, and 9 months of the year have significant snowfall.