Martinsdale has cold, snowy winters and pleasant summers, with very little rain
A typical July afternoon reaches 81°, a January night drops to 14°, and about 43 inches of snow falls in a normal winter.
A year in Martinsdale at a glance
Each month’s typical high and low, and what it brings.
What stands out about Martinsdale’s climate
Read from where Martinsdale sits among Montana’s towns. The page puts what stands out first.
Living with Martinsdale’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
94 frost-free days. The last frost comes by Jun 3 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 8.
About 43" a winter over 17 days with an inch or more, most in March.
Months averaging under 55° run from September through May. Heating is 98% of the year’s heating-and-cooling load.
About 11 days a year reach 90°, and July afternoons average 81°.
The nicest months are June, July and August.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →What a year in Martinsdale feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
43 inches of snow, 15 of rain and melt
June is the wettest month and February the driest. Rain or snow falls on about 73 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
About 94 frost-free days a year
In half of years the last 32° night comes by June 3 and the first by September 8.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Warmer than it used to be
The last 30 years in Martinsdale averaged 1.6° warmer than the 1900s. The biggest change is in January (+4.6°).
A bigger shift than in 75% of U.S. towns.
Change by month
How Martinsdale compares
Against every U.S. town on TownTapestry, each counted once, with its place in Montana.
Martinsdale weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 36° | 14° | 0.5" | 7.4" | 5 | 16° – 31° |
| February | 37° | 14° | 0.5" | 4.4" | 4 | 11° – 36° |
| March | 45° | 21° | 0.8" | 7.8" | 5 | 23° – 40° |
| April | 53° | 27° | 1.7" | 6.6" | 7 | 34° – 45° |
| May | 62° | 35° | 2.5" | 1.3" | 10 | 44° – 53° |
| June | 71° | 42° | 2.8" | 0 | 11 | 52° – 63° |
| July | 81° | 47° | 1.5" | 0 | 8 | 55° – 71° |
| August | 81° | 45° | 1.3" | 0.1" | 7 | 57° – 68° |
| September | 71° | 38° | 1.2" | 0.5" | 5 | 50° – 59° |
| October | 56° | 29° | 1.0" | 3.2" | 5 | 34° – 49° |
| November | 43° | 21° | 0.7" | 6.0" | 4 | 25° – 41° |
| December | 35° | 14° | 0.6" | 6.1" | 4 | 16° – 31° |
| Year | 56° | 29° | 15.0" | 43.4" | 73 |
Heating and cooling a home in Martinsdale
98% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 11° to 36°. September is the most reliable, staying within 9°.
Common questions about Martinsdale’s climate
What is the coldest month in Martinsdale?
February, with a typical high of 37° and a low of 14°.
What is the hottest month in Martinsdale?
July, with a typical high of 81° and a low of 47°. About 11 days a year reach 90°.
How much snow does Martinsdale get?
About 43 inches in a normal winter, most of it in March.
When is the first frost in Martinsdale?
In half of years the first 32° night comes by September 8, and the last spring frost by June 3.
What is the rainiest month in Martinsdale?
June, with 2.8 inches of rain and melted snow. The year totals 15 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Martinsdale.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Martinsdale itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Martinsdale 3 Nnw, MT (3 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.