Weather Almanac: Columbia Falls, MT 59912

🗓️ Historical norms for May 2026

May avg. precipitation
🌧️ 2.06"
May days below freezing
📉 ≈4.6 days
Average May lows ≈39.7°F
USDA Zone
5a
Annual extreme lows -20°F to -15°F
Last Spring Frost (36°F)
🌷 Always
First Fall Frost (36°F)
🍂 Always
Fri. May 1 🌕

🌅 6:17 a.m.

H: ≈60.8°F

L: ≈34.6°F

🌇 8:51 p.m.

Sat. May 2  

🌅 6:15 a.m.

H: ≈61.1°F

L: ≈34.9°F

🌇 8:52 p.m.

Sun. May 3  

🌅 6:13 a.m.

H: ≈61.5°F

L: ≈35.1°F

🌇 8:54 p.m.

Mon. May 4  

🌅 6:12 a.m.

H: ≈61.8°F

L: ≈35.4°F

🌇 8:55 p.m.

Tue. May 5  

🌅 6:10 a.m.

H: ≈62.1°F

L: ≈35.8°F

🌇 8:56 p.m.

Wed. May 6  

🌅 6:09 a.m.

H: ≈62.4°F

L: ≈36.1°F

🌇 8:58 p.m.

Thu. May 7  

🌅 6:07 a.m.

H: ≈62.8°F

L: ≈36.4°F

🌇 8:59 p.m.

Fri. May 8  

🌅 6:05 a.m.

H: ≈63.1°F

L: ≈36.8°F

🌇 9:01 p.m.

Sat. May 9 🌗

🌅 6:04 a.m.

H: ≈63.4°F

L: ≈37.1°F

🌇 9:02 p.m.

Sun. May 10  

🌅 6:03 a.m.

H: ≈63.7°F

L: ≈37.5°F

🌇 9:03 p.m.

Mon. May 11  

🌅 6:01 a.m.

H: ≈64.0°F

L: ≈37.9°F

🌇 9:05 p.m.

Tue. May 12  

🌅 6:00 a.m.

H: ≈64.3°F

L: ≈38.2°F

🌇 9:06 p.m.

Wed. May 13  

🌅 5:58 a.m.

H: ≈64.6°F

L: ≈38.6°F

🌇 9:08 p.m.

Thu. May 14 Ascension  

🌅 5:57 a.m.

H: ≈64.9°F

L: ≈39.0°F

🌇 9:09 p.m.

Fri. May 15  

🌅 5:56 a.m.

H: ≈65.2°F

L: ≈39.4°F

🌇 9:10 p.m.

Sat. May 16 🌑

🌅 5:54 a.m.

H: ≈65.4°F

L: ≈39.8°F

🌇 9:11 p.m.

Sun. May 17  

🌅 5:53 a.m.

H: ≈65.7°F

L: ≈40.1°F

🌇 9:13 p.m.

Mon. May 18  

🌅 5:52 a.m.

H: ≈66.0°F

L: ≈40.5°F

🌇 9:14 p.m.

Tue. May 19  

🌅 5:51 a.m.

H: ≈66.2°F

L: ≈40.9°F

🌇 9:15 p.m.

Wed. May 20  

🌅 5:50 a.m.

H: ≈66.5°F

L: ≈41.3°F

🌇 9:17 p.m.

Thu. May 21  

🌅 5:49 a.m.

H: ≈66.7°F

L: ≈41.6°F

🌇 9:18 p.m.

Fri. May 22  

🌅 5:48 a.m.

H: ≈67.0°F

L: ≈42.0°F

🌇 9:19 p.m.

Sat. May 23 🌓

🌅 5:46 a.m.

H: ≈67.2°F

L: ≈42.3°F

🌇 9:20 p.m.

Sun. May 24 Pentecost  

🌅 5:45 a.m.

H: ≈67.4°F

L: ≈42.6°F

🌇 9:21 p.m.

Mon. May 25 Memorial Day  

🌅 5:45 a.m.

H: ≈67.6°F

L: ≈43.0°F

🌇 9:22 p.m.

Tue. May 26  

🌅 5:44 a.m.

H: ≈67.8°F

L: ≈43.3°F

🌇 9:24 p.m.

Wed. May 27  

🌅 5:43 a.m.

H: ≈68.0°F

L: ≈43.6°F

🌇 9:25 p.m.

Thu. May 28  

🌅 5:42 a.m.

H: ≈68.2°F

L: ≈43.8°F

🌇 9:26 p.m.

Fri. May 29  

🌅 5:41 a.m.

H: ≈68.4°F

L: ≈44.1°F

🌇 9:27 p.m.

Sat. May 30  

🌅 5:40 a.m.

H: ≈68.6°F

L: ≈44.4°F

🌇 9:28 p.m.

Sun. May 31 🌕

🌅 5:40 a.m.

H: ≈68.8°F

L: ≈44.6°F

🌇 9:29 p.m.


Temperature climatic data from weather station: KALISPELL 9 NNE (USC00244560)

Precipitation climatic data from weather station: KALISPELL 9 NNE (USC00244560)

Agricultural climatic data from weather station: KALISPELL GLACIER AP (USC00244558)