Rocky Boy, MT
Unincorporated community in Hill County, Montana
Rocky Boy is a small unincorporated community in Hill County, Montana. It is 0.7 miles NE of Rocky Boy's Agency, the nearest town. Its ZIP code is 59521.
Rocky Boy at a glance
- State
- Montana
- County
- Hill County
- ZIP code
- 59521
- Nearest town
- Rocky Boy's Agency (0.7 mi)
- Time zone
- America/Denver
- Coordinates
- 48.2561, -109.7875
Weather in Rocky Boy now
Loading the National Weather Service forecast…
Rocky Boy weather by the hour
Rocky Boy weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Rocky Boy.
This week in Rocky Boy
Sunrise, sunset and moon in Rocky Boy
What is the weather usually like in Rocky Boy?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 86°F average high
- Januarycoldest month · 10°F average low
- 13.3 inprecipitation per year · 337 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Rocky Boy: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station BIG SANDY, MT US (USC00240770), adjusted for the elevation of Rocky Boy.
Rocky Boy weather month by month
Sunrise and sunset in Rocky Boy through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:02 AM | 4:54 PM | 8 h 51 min |
| February | 7:23 AM | 5:42 PM | 10 h 19 min |
| March | 7:29 AM | 7:26 PM | 11 h 56 min |
| April | 6:26 AM | 8:11 PM | 13 h 44 min |
| May | 5:37 AM | 8:53 PM | 15 h 16 min |
| June | 5:15 AM | 9:23 PM | 16 h 7 min |
| July | 5:32 AM | 9:17 PM | 15 h 44 min |
| August | 6:12 AM | 8:34 PM | 14 h 22 min |
| September | 6:55 AM | 7:33 PM | 12 h 38 min |
| October | 7:37 AM | 6:31 PM | 10 h 54 min |
| November | 7:25 AM | 4:42 PM | 9 h 17 min |
| December | 8:01 AM | 4:27 PM | 8 h 25 min |
Times for the 15th of each month, local time (America/Denver).
What is the weather like in Rocky Boy?
Rocky Boy has a cold semi-arid climate. The warmest month is July, with an average high of 86°F (30°C), and the coldest is January, with average lows of 10°F (-12°C).
It gets about 13.3 inches (337 mm) of precipitation a year. The wettest month is June and the driest is February.
The best time to visit Rocky Boy 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 Rocky Boy
The closest live webcam is Great Falls, 86.9 miles SW of Rocky Boy.
Webcams: Windy.com. Distances in a straight line from Rocky Boy.
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Map of Rocky Boy, MT
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Rocky Boy Street View
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Open in Google Maps ›Towns near Rocky Boy
Other communities near Rocky Boy
Questions about Rocky Boy
Where is Rocky Boy, MT?
Rocky Boy is an unincorporated community in Hill County, Montana, 0.7 miles NE of Rocky Boy's Agency.
What county is Rocky Boy in?
Rocky Boy is in Hill County, Montana.
What is the ZIP code of Rocky Boy, MT?
The ZIP code for Rocky Boy is 59521.
What is the nearest town to Rocky Boy?
Rocky Boy's Agency, 0.7 miles away.
Are there webcams near Rocky Boy?
Yes. The closest is Great Falls, 86.9 miles away.
What is the hottest month in Rocky Boy?
July, with an average high of 86°F (30°C).
What is the coldest month in Rocky Boy?
January, with an average low of 10°F (-12°C).
How much does it rain in Rocky Boy?
About 13.3 inches (337 mm) a year; the wettest month is June.
Does it snow in Rocky Boy?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Rocky Boy?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Rocky Boy have?
Cold semi-arid (Köppen BSk).
Last updated: