Weather Almanac: Big Sky, MT 59716

🗓️ Historical norms for August 2025

August avg. precipitation
🌧️ 1.56"
August days below freezing
📉 ≈3.2 days
Average August lows 37°F – 41°F
USDA Zone
4b
Annual extreme lows -25°F to -20°F
Last Spring Frost (36°F)
🌷 Always
First Fall Frost (36°F)
🍂 Always
Fri. August 1  

🌅 6:10 a.m.

F: 70°F / 47°F

H: 73°F – 86°F

L: 36°F – 45°F

🌇 8:52 p.m.

Sat. August 2  

🌅 6:11 a.m.

F: 69°F / 46°F

H: 73°F – 86°F

L: 36°F – 45°F

🌇 8:51 p.m.

Sun. August 3  

🌅 6:12 a.m.

F: 70°F / 48°F

H: 73°F – 86°F

L: 36°F – 45°F

🌇 8:49 p.m.

Mon. August 4  

🌅 6:14 a.m.

F: 72°F / 45°F

H: 73°F – 86°F

L: 36°F – 45°F

🌇 8:48 p.m.

Tue. August 5  

🌅 6:15 a.m.

F: 69°F / 47°F

H: 73°F – 86°F

L: 35°F – 45°F

🌇 8:46 p.m.

Wed. August 6  

🌅 6:16 a.m.

F: 74°F / 48°F

H: 73°F – 86°F

L: 35°F – 45°F

🌇 8:45 p.m.

Thu. August 7  

🌅 6:17 a.m.

F: 71°F / 47°F

H: 73°F – 86°F

L: 35°F – 45°F

🌇 8:44 p.m.

Fri. August 8  

🌅 6:18 a.m.

H: 73°F – 86°F

L: 35°F – 45°F

🌇 8:42 p.m.

Sat. August 9 🌕

🌅 6:20 a.m.

H: 72°F – 86°F

L: 35°F – 45°F

🌇 8:41 p.m.

Sun. August 10  

🌅 6:21 a.m.

H: 72°F – 86°F

L: 35°F – 44°F

🌇 8:39 p.m.

Mon. August 11  

🌅 6:22 a.m.

H: 72°F – 85°F

L: 35°F – 44°F

🌇 8:38 p.m.

Tue. August 12  

🌅 6:23 a.m.

H: 72°F – 85°F

L: 34°F – 44°F

🌇 8:36 p.m.

Wed. August 13  

🌅 6:24 a.m.

H: 72°F – 85°F

L: 34°F – 44°F

🌇 8:35 p.m.

Thu. August 14  

🌅 6:26 a.m.

H: 71°F – 85°F

L: 34°F – 44°F

🌇 8:33 p.m.

Fri. August 15 🌗

🌅 6:27 a.m.

H: 71°F – 85°F

L: 34°F – 44°F

🌇 8:31 p.m.

Sat. August 16  

🌅 6:28 a.m.

H: 71°F – 85°F

L: 34°F – 44°F

🌇 8:30 p.m.

Sun. August 17  

🌅 6:29 a.m.

H: 70°F – 85°F

L: 34°F – 44°F

🌇 8:28 p.m.

Mon. August 18  

🌅 6:30 a.m.

H: 70°F – 85°F

L: 34°F – 44°F

🌇 8:26 p.m.

Tue. August 19  

🌅 6:32 a.m.

H: 70°F – 84°F

L: 33°F – 43°F

🌇 8:25 p.m.

Wed. August 20  

🌅 6:33 a.m.

H: 69°F – 84°F

L: 33°F – 43°F

🌇 8:23 p.m.

Thu. August 21  

🌅 6:34 a.m.

H: 69°F – 84°F

L: 33°F – 43°F

🌇 8:21 p.m.

Fri. August 22  

🌅 6:35 a.m.

H: 69°F – 84°F

L: 33°F – 43°F

🌇 8:20 p.m.

Sat. August 23 🌑

🌅 6:36 a.m.

H: 68°F – 84°F

L: 33°F – 43°F

🌇 8:18 p.m.

Sun. August 24  

🌅 6:38 a.m.

H: 68°F – 83°F

L: 32°F – 43°F

🌇 8:16 p.m.

Mon. August 25  

🌅 6:39 a.m.

H: 68°F – 83°F

L: 32°F – 43°F

🌇 8:14 p.m.

Tue. August 26  

🌅 6:40 a.m.

H: 67°F – 83°F

L: 32°F – 42°F

🌇 8:13 p.m.

Wed. August 27  

🌅 6:41 a.m.

H: 67°F – 83°F

L: 32°F – 42°F

🌇 8:11 p.m.

Thu. August 28  

🌅 6:42 a.m.

H: 66°F – 83°F

L: 31°F – 42°F

🌇 8:09 p.m.

Fri. August 29  

🌅 6:44 a.m.

H: 66°F – 82°F

L: 31°F – 42°F

🌇 8:07 p.m.

Sat. August 30  

🌅 6:45 a.m.

H: 66°F – 82°F

L: 31°F – 42°F

🌇 8:05 p.m.

Sun. August 31 🌓

🌅 6:46 a.m.

H: 65°F – 82°F

L: 31°F – 42°F

🌇 8:04 p.m.


Temperature climatic data from weather station: BIG SKY 2WNW (USC00240775)

Precipitation climatic data from weather station: BIG SKY 2WNW (USC00240775)

Agricultural climatic data from weather station: BIG SKY 2WNW (USC00240775)