Arnold, MT
Unincorporated community in Gallatin County, Montana
Arnold is a small unincorporated community in Gallatin County, Montana. It is 1.8 miles NE of Amsterdam, the nearest town. Its ZIP code is 59741.
Arnold at a glance
- State
- Montana
- County
- Gallatin County
- ZIP code
- 59741
- Nearest town
- Amsterdam (1.8 mi)
- Time zone
- America/Denver
- Coordinates
- 45.7144, -111.3542
Weather in Arnold now
Loading the National Weather Service forecast…
Arnold weather by the hour
Arnold weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Arnold.
This week in Arnold
Sunrise, sunset and moon in Arnold
What is the weather usually like in Arnold?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 83°F average high
- Decembercoldest month · 15°F average low
- 15.8 inprecipitation per year · 402 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Arnold: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station BOZEMAN 6 W EXP FARM, MT US (USC00241047), adjusted for the elevation of Arnold.
Arnold weather month by month
Sunrise and sunset in Arnold through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:00 AM | 5:09 PM | 9 h 9 min |
| February | 7:25 AM | 5:53 PM | 10 h 28 min |
| March | 7:35 AM | 7:32 PM | 11 h 57 min |
| April | 6:37 AM | 8:13 PM | 13 h 36 min |
| May | 5:51 AM | 8:51 PM | 14 h 59 min |
| June | 5:33 AM | 9:18 PM | 15 h 45 min |
| July | 5:49 AM | 9:13 PM | 15 h 24 min |
| August | 6:24 AM | 8:35 PM | 14 h 10 min |
| September | 7:02 AM | 7:38 PM | 12 h 35 min |
| October | 7:40 AM | 6:41 PM | 11 h 0 min |
| November | 7:23 AM | 4:56 PM | 9 h 32 min |
| December | 7:57 AM | 4:43 PM | 8 h 45 min |
Times for the 15th of each month, local time (America/Denver).
What is the weather like in Arnold?
Arnold has a warm-summer humid continental climate. The warmest month is July, with an average high of 83°F (28°C), and the coldest is December, with average lows of 15°F (-10°C).
It gets about 15.8 inches (402 mm) of precipitation a year. The wettest month is June and the driest is February.
The best time to visit Arnold is June to September. 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.
Webcams near Arnold
The closest live webcam is Belgrade › North-east: Bozeman Yellowstone International Airport BZN, 10.3 miles E of Arnold.
Webcams: Windy.com. Distances in a straight line from Arnold.
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Map of Arnold, MT
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Arnold Street View
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Open in Google Maps ›Towns near Arnold
Other communities near Arnold
Questions about Arnold
Where is Arnold, MT?
Arnold is an unincorporated community in Gallatin County, Montana, 1.8 miles NE of Amsterdam.
What county is Arnold in?
Arnold is in Gallatin County, Montana.
What is the ZIP code of Arnold, MT?
The ZIP code for Arnold is 59741.
What is the nearest town to Arnold?
Amsterdam, 1.8 miles away.
Are there webcams near Arnold?
Yes. The closest is Belgrade › North-east: Bozeman Yellowstone International Airport BZN, 10.3 miles away.
What is the hottest month in Arnold?
July, with an average high of 83°F (28°C).
What is the coldest month in Arnold?
December, with an average low of 15°F (-10°C).
How much does it rain in Arnold?
About 15.8 inches (402 mm) a year; the wettest month is June.
Does it snow in Arnold?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Arnold?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Arnold have?
Warm-summer humid continental (Köppen Dfb).
Last updated: