Gallatin River Ranch, MT climate
Gallatin River Ranch has cold winters and warm summers, with very little rain. A typical July afternoon reaches 85°, a January night drops to 13°, and about 21 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Gallatin River Ranch feels like
Winter
Spring
Summer
Fall
Gallatin River Ranch 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 | 34° | 13° | 0.4" | 4.6" | 7 | 13° – 32° |
| February | 38° | 16° | 0.4" | 2.8" | 6 | 11° – 37° |
| March | 48° | 23° | 0.7" | 2.7" | 8 | 20° – 42° |
| April | 56° | 30° | 1.3" | 1.1" | 9 | 38° – 48° |
| May | 66° | 39° | 2.0" | 0.7" | 11 | 48° – 56° |
| June | 74° | 45° | 2.4" | 0.2" | 10 | 55° – 66° |
| July | 85° | 51° | 1.1" | 0 | 7 | 58° – 75° |
| August | 84° | 49° | 0.9" | 0 | 6 | 60° – 70° |
| September | 73° | 41° | 1.0" | 0 | 5 | 53° – 62° |
| October | 59° | 31° | 1.0" | 0.2" | 7 | 37° – 50° |
| November | 43° | 21° | 0.6" | 3.3" | 7 | 20° – 41° |
| December | 34° | 13° | 0.4" | 5.7" | 7 | 15° – 30° |
| Year | 58° | 31° | 12.3" | 21.3" | 90 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Gallatin River Ranch
Gallatin River Ranch gets 12 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 90 days a year.
About 139 frost-free days a year
In half of years the last 32° night comes by May 9 and the first one by September 27. That leaves about 139 frost-free days for gardens, shorter than 90% of U.S. towns.
Heating and cooling a home in Gallatin River Ranch
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Gallatin River Ranch, 96% of that work is heating and 4% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Gallatin River Ranch compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Gallatin River Ranch averaged 1.5° warmer than the 1900s. The biggest change is in January (+4.2°). The shift is larger than in 71% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Gallatin River Ranch’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 11° to 37°. May is the most reliable, staying within 8°.
Common questions about Gallatin River Ranch’s climate
What is the coldest month in Gallatin River Ranch?
December, with a typical high of 34° and a low of 13°.
What is the hottest month in Gallatin River Ranch?
July, with a typical high of 85° and a low of 51°. About 25 days a year reach 90°.
How much snow does Gallatin River Ranch get?
About 21 inches in a normal winter, most of it in December.
When is the first frost in Gallatin River Ranch?
In half of years the first 32° night comes by September 27, and the last spring frost by May 9.
What is the rainiest month in Gallatin River Ranch?
June, with 2.4 inches of rain and melted snow. The year totals 12 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Gallatin River Ranch itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Menard 3 Ne, MT (12 mi, snow) and Trident, MT (8 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.