Weather Almanac: Ronan, MT 59864

🗓️ Historical norms for May 2026

May avg. precipitation
🌧️ 2.24"
May days below freezing
📉 ≈2.9 days
Average May lows ≈39.6°F
USDA Zone
6a
Annual extreme lows -10°F to -5°F
Last Spring Frost (36°F)
🌷 Jun 3
First Fall Frost (36°F)
🍂 Sep 15
Fri. May 1 🌕

🌅 6:19 a.m.

H: ≈61.9°F

L: ≈35.9°F

🌇 8:48 p.m.

Sat. May 2  

🌅 6:17 a.m.

H: ≈62.3°F

L: ≈36.2°F

🌇 8:50 p.m.

Sun. May 3  

🌅 6:16 a.m.

H: ≈62.6°F

L: ≈36.4°F

🌇 8:51 p.m.

Mon. May 4  

🌅 6:14 a.m.

H: ≈62.9°F

L: ≈36.7°F

🌇 8:52 p.m.

Tue. May 5  

🌅 6:12 a.m.

H: ≈63.2°F

L: ≈36.9°F

🌇 8:54 p.m.

Wed. May 6  

🌅 6:11 a.m.

H: ≈63.5°F

L: ≈37.2°F

🌇 8:55 p.m.

Thu. May 7  

🌅 6:09 a.m.

H: ≈63.8°F

L: ≈37.4°F

🌇 8:56 p.m.

Fri. May 8  

🌅 6:08 a.m.

H: ≈64.0°F

L: ≈37.7°F

🌇 8:58 p.m.

Sat. May 9 🌗

🌅 6:07 a.m.

H: ≈64.3°F

L: ≈37.9°F

🌇 8:59 p.m.

Sun. May 10  

🌅 6:05 a.m.

H: ≈64.5°F

L: ≈38.2°F

🌇 9:00 p.m.

Mon. May 11  

🌅 6:04 a.m.

H: ≈64.8°F

L: ≈38.4°F

🌇 9:02 p.m.

Tue. May 12  

🌅 6:02 a.m.

H: ≈65.0°F

L: ≈38.7°F

🌇 9:03 p.m.

Wed. May 13  

🌅 6:01 a.m.

H: ≈65.2°F

L: ≈38.9°F

🌇 9:04 p.m.

Thu. May 14 Ascension  

🌅 6:00 a.m.

H: ≈65.4°F

L: ≈39.2°F

🌇 9:06 p.m.

Fri. May 15  

🌅 5:59 a.m.

H: ≈65.5°F

L: ≈39.4°F

🌇 9:07 p.m.

Sat. May 16 🌑

🌅 5:57 a.m.

H: ≈65.7°F

L: ≈39.7°F

🌇 9:08 p.m.

Sun. May 17  

🌅 5:56 a.m.

H: ≈65.9°F

L: ≈39.9°F

🌇 9:09 p.m.

Mon. May 18  

🌅 5:55 a.m.

H: ≈66.0°F

L: ≈40.2°F

🌇 9:11 p.m.

Tue. May 19  

🌅 5:54 a.m.

H: ≈66.2°F

L: ≈40.4°F

🌇 9:12 p.m.

Wed. May 20  

🌅 5:53 a.m.

H: ≈66.3°F

L: ≈40.7°F

🌇 9:13 p.m.

Thu. May 21  

🌅 5:52 a.m.

H: ≈66.5°F

L: ≈40.9°F

🌇 9:14 p.m.

Fri. May 22  

🌅 5:51 a.m.

H: ≈66.6°F

L: ≈41.1°F

🌇 9:15 p.m.

Sat. May 23 🌓

🌅 5:50 a.m.

H: ≈66.7°F

L: ≈41.3°F

🌇 9:16 p.m.

Sun. May 24 Pentecost  

🌅 5:49 a.m.

H: ≈66.8°F

L: ≈41.6°F

🌇 9:18 p.m.

Mon. May 25 Memorial Day  

🌅 5:48 a.m.

H: ≈67.0°F

L: ≈41.8°F

🌇 9:19 p.m.

Tue. May 26  

🌅 5:47 a.m.

H: ≈67.1°F

L: ≈42.0°F

🌇 9:20 p.m.

Wed. May 27  

🌅 5:46 a.m.

H: ≈67.2°F

L: ≈42.2°F

🌇 9:21 p.m.

Thu. May 28  

🌅 5:45 a.m.

H: ≈67.4°F

L: ≈42.4°F

🌇 9:22 p.m.

Fri. May 29  

🌅 5:45 a.m.

H: ≈67.5°F

L: ≈42.6°F

🌇 9:23 p.m.

Sat. May 30  

🌅 5:44 a.m.

H: ≈67.7°F

L: ≈42.8°F

🌇 9:24 p.m.

Sun. May 31 🌕

🌅 5:43 a.m.

H: ≈67.8°F

L: ≈43.0°F

🌇 9:25 p.m.


Temperature climatic data from weather station: ROUND BUTTE 1 NNW (USC00247204)

Precipitation climatic data from weather station: POLSON (USC00246635)

Agricultural climatic data from weather station: POLSON (USC00246635)