Garrison, MT weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Garrison now
Loading the National Weather Service forecast…
Garrison weather by the hour
Garrison weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Garrison.
This week in Garrison
Sunrise, sunset and moon in Garrison
What is the weather usually like in Garrison?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 81°F average high
- Decembercoldest month · 12°F average low
- 14.6 inprecipitation per year · 370 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Garrison: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station DEER LODGE 3 W, MT US (USC00242275), adjusted for the elevation of Garrison.
Garrison weather month by month
Sunrise and sunset in Garrison through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:08 AM | 5:12 PM | 9 h 3 min |
| February | 7:32 AM | 5:58 PM | 10 h 25 min |
| March | 7:41 AM | 7:38 PM | 11 h 56 min |
| April | 6:41 AM | 8:20 PM | 13 h 38 min |
| May | 5:55 AM | 9:00 PM | 15 h 5 min |
| June | 5:35 AM | 9:28 PM | 15 h 52 min |
| July | 5:51 AM | 9:22 PM | 15 h 30 min |
| August | 6:28 AM | 8:42 PM | 14 h 14 min |
| September | 7:08 AM | 7:44 PM | 12 h 36 min |
| October | 7:47 AM | 6:46 PM | 10 h 58 min |
| November | 7:32 AM | 4:59 PM | 9 h 27 min |
| December | 8:06 AM | 4:46 PM | 8 h 39 min |
Times for the 15th of each month, local time (America/Denver).
What is the weather like in Garrison?
Garrison has a warm-summer humid continental climate. The warmest month is August, with an average high of 81°F (27°C), and the coldest is December, with average lows of 12°F (-11°C).
It gets about 14.6 inches (370 mm) of precipitation a year. The wettest month is June and the driest is January.
The best time to visit Garrison is June to September. At 4,373 ft of elevation, nights are cool even in summer. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Garrison
Weather in towns near Garrison
Questions about the weather in Garrison
What is the hottest month in Garrison?
August, with an average high of 81°F (27°C).
What is the coldest month in Garrison?
December, with an average low of 12°F (-11°C).
How much does it rain in Garrison?
About 14.6 inches (370 mm) a year; the wettest month is June.
Does it snow in Garrison?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Garrison?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Garrison have?
Warm-summer humid continental (Köppen Dfb).
What is the weather like in Garrison in November?
Highs average 42°F and lows 18°F, with about 0.5 inches of precipitation.
What time is sunrise in Garrison?
Around 7:32 AM in mid-November, and sunset around 4:59 PM. Today’s exact times are shown above.
Where does this Garrison weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Garrison.
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