Weather Almanac: Helena, MT 59625

🗓️ Historical norms for December 2025

December avg. precipitation
🌧️ 0.40"
December days below freezing
📉 ≈29.8 days
Average December lows 6°F – 18°F
Last Spring Frost (36°F)
🌷 Jun 4
First Fall Frost (36°F)
🍂 Sep 10
Mon. December 1  

🌅 7:52 a.m.

H: 22°F – 48°F

L: 3°F – 28°F

🌇 4:42 p.m.

Tue. December 2  

🌅 7:53 a.m.

H: 22°F – 48°F

L: 3°F – 28°F

🌇 4:41 p.m.

Wed. December 3  

🌅 7:54 a.m.

H: 21°F – 48°F

L: 2°F – 27°F

🌇 4:41 p.m.

Thu. December 4 🌕

🌅 7:55 a.m.

H: 21°F – 47°F

L: 2°F – 27°F

🌇 4:41 p.m.

Fri. December 5  

🌅 7:56 a.m.

H: 20°F – 47°F

L: 1°F – 27°F

🌇 4:41 p.m.

Sat. December 6  

🌅 7:57 a.m.

H: 20°F – 47°F

L: 1°F – 27°F

🌇 4:40 p.m.

Sun. December 7  

🌅 7:58 a.m.

H: 20°F – 46°F

L: 1°F – 26°F

🌇 4:40 p.m.

Mon. December 8  

🌅 7:59 a.m.

H: 19°F – 46°F

L: 0°F – 26°F

🌇 4:40 p.m.

Tue. December 9  

🌅 8:00 a.m.

H: 19°F – 46°F

L: 0°F – 26°F

🌇 4:40 p.m.

Wed. December 10  

🌅 8:01 a.m.

H: 19°F – 46°F

L: -1°F – 26°F

🌇 4:40 p.m.

Thu. December 11 🌗

🌅 8:02 a.m.

H: 18°F – 45°F

L: -1°F – 25°F

🌇 4:40 p.m.

Fri. December 12  

🌅 8:03 a.m.

H: 18°F – 45°F

L: -1°F – 25°F

🌇 4:40 p.m.

Sat. December 13  

🌅 8:04 a.m.

H: 18°F – 45°F

L: -2°F – 25°F

🌇 4:40 p.m.

Sun. December 14  

🌅 8:05 a.m.

H: 18°F – 45°F

L: -2°F – 25°F

🌇 4:40 p.m.

Mon. December 15  

🌅 8:05 a.m.

H: 17°F – 45°F

L: -2°F – 25°F

🌇 4:41 p.m.

Tue. December 16  

🌅 8:06 a.m.

H: 17°F – 45°F

L: -2°F – 25°F

🌇 4:41 p.m.

Wed. December 17  

🌅 8:07 a.m.

H: 17°F – 45°F

L: -3°F – 25°F

🌇 4:41 p.m.

Thu. December 18  

🌅 8:07 a.m.

H: 17°F – 45°F

L: -3°F – 25°F

🌇 4:42 p.m.

Fri. December 19 🌑

🌅 8:08 a.m.

H: 17°F – 45°F

L: -3°F – 24°F

🌇 4:42 p.m.

Sat. December 20  

🌅 8:09 a.m.

H: 17°F – 45°F

L: -3°F – 24°F

🌇 4:42 p.m.

Sun. December 21 Winter Solstice  

🌅 8:09 a.m.

H: 16°F – 45°F

L: -3°F – 25°F

🌇 4:43 p.m.

Mon. December 22  

🌅 8:10 a.m.

H: 16°F – 45°F

L: -4°F – 25°F

🌇 4:43 p.m.

Tue. December 23  

🌅 8:10 a.m.

H: 16°F – 45°F

L: -4°F – 25°F

🌇 4:44 p.m.

Wed. December 24 Christmas Eve  

🌅 8:10 a.m.

H: 16°F – 45°F

L: -4°F – 25°F

🌇 4:45 p.m.

Thu. December 25 Christmas Day  

🌅 8:11 a.m.

H: 16°F – 45°F

L: -4°F – 25°F

🌇 4:45 p.m.

Fri. December 26  

🌅 8:11 a.m.

H: 16°F – 45°F

L: -4°F – 25°F

🌇 4:46 p.m.

Sat. December 27 🌓

🌅 8:11 a.m.

H: 16°F – 45°F

L: -4°F – 25°F

🌇 4:47 p.m.

Sun. December 28  

🌅 8:12 a.m.

H: 16°F – 45°F

L: -4°F – 25°F

🌇 4:47 p.m.

Mon. December 29  

🌅 8:12 a.m.

H: 16°F – 45°F

L: -4°F – 25°F

🌇 4:48 p.m.

Tue. December 30  

🌅 8:12 a.m.

H: 16°F – 46°F

L: -4°F – 25°F

🌇 4:49 p.m.

Wed. December 31  

🌅 8:12 a.m.

H: 16°F – 46°F

L: -4°F – 25°F

🌇 4:50 p.m.


Temperature climatic data from weather station: HELENA RGNL AP (USW00024144)

Precipitation climatic data from weather station: HELENA RGNL AP (USW00024144)

Agricultural climatic data from weather station: HELENA RGNL AP (USW00024144)