Trout Creek has chilly, snowy winters and warm summers
A typical July afternoon reaches 84°, a January night drops to 22°, and about 51 inches of snow falls in a normal winter.
A year in Trout Creek at a glance
Each month’s typical high and low, and what it brings.
What stands out about Trout Creek’s climate
Read from where Trout Creek sits among Montana’s towns. The page puts what stands out first.
What a year in Trout Creek feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
51 inches of snow, 25 of rain and melt
November is the wettest month and August the driest. Rain or snow falls on about 129 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
About 122 frost-free days a year
In half of years the last 32° night comes by May 20 and the first by September 21.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Trout Creek’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
122 frost-free days. The last frost comes by May 20 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 21.
About 51" a winter over 14 days with an inch or more, most in January.
Months averaging under 55° run from October through May. Heating is 97% of the year’s heating-and-cooling load.
About 27 days a year reach 90°, and July afternoons average 84°.
The nicest months are June and September.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Warmer than it used to be
The last 30 years in Trout Creek averaged 1.3° warmer than the 1900s. The biggest change is in January (+3.9°).
A bigger shift than in 57% of U.S. towns.
Change by month
How Trout Creek compares
Against every U.S. town on TownTapestry, each counted once, with its place in Montana.
Trout Creek 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 | 33° | 22° | 2.9" | 18.2" | 15 | 19° – 33° |
| February | 39° | 23° | 2.1" | 6.4" | 11 | 20° – 37° |
| March | 49° | 28° | 2.3" | 3.7" | 12 | 32° – 44° |
| April | 58° | 33° | 1.8" | 0.3" | 12 | 40° – 51° |
| May | 68° | 40° | 2.1" | 0 | 11 | 49° – 58° |
| June | 74° | 46° | 2.3" | 0 | 11 | 56° – 66° |
| July | 84° | 49° | 0.8" | 0 | 5 | 58° – 73° |
| August | 84° | 48° | 0.8" | 0 | 5 | 61° – 69° |
| September | 74° | 41° | 1.2" | 0 | 6 | 54° – 63° |
| October | 57° | 33° | 2.4" | 0 | 11 | 40° – 51° |
| November | 41° | 28° | 3.1" | 5.8" | 14 | 28° – 40° |
| December | 33° | 22° | 3.1" | 17.0" | 16 | 21° – 33° |
| Year | 58° | 34° | 24.8" | 51.4" | 129 |
Heating and cooling a home in Trout Creek
97% 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 20° to 37°. August is the most reliable, staying within 8°.
Common questions about Trout Creek’s climate
What is the coldest month in Trout Creek?
January, with a typical high of 33° and a low of 22°.
What is the hottest month in Trout Creek?
July, with a typical high of 84° and a low of 49°. About 27 days a year reach 90°.
How much snow does Trout Creek get?
About 51 inches in a normal winter, most of it in January.
When is the first frost in Trout Creek?
In half of years the first 32° night comes by September 21, and the last spring frost by May 20.
What is the rainiest month in Trout Creek?
November, with 3.1 inches of rain and melted snow. The year totals 25 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Trout Creek.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Trout Creek itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Trout Creek Rs, 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.