Weather Almanac: Polaris, MT 59746

🗓️ Historical norms for May 2026

May avg. precipitation
🌧️ 1.58"
May days below freezing
📉 ≈10.7 days
Average May lows ≈33.1°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 🌕

🌅 6:20 a.m.

H: ≈58.1°F

L: ≈29.9°F

🌇 8:38 p.m.

Sat. May 2  

🌅 6:18 a.m.

H: ≈58.4°F

L: ≈30.2°F

🌇 8:40 p.m.

Sun. May 3  

🌅 6:17 a.m.

H: ≈58.7°F

L: ≈30.4°F

🌇 8:41 p.m.

Mon. May 4  

🌅 6:16 a.m.

H: ≈59.0°F

L: ≈30.6°F

🌇 8:42 p.m.

Tue. May 5  

🌅 6:14 a.m.

H: ≈59.2°F

L: ≈30.8°F

🌇 8:43 p.m.

Wed. May 6  

🌅 6:13 a.m.

H: ≈59.5°F

L: ≈31.1°F

🌇 8:45 p.m.

Thu. May 7  

🌅 6:11 a.m.

H: ≈59.7°F

L: ≈31.3°F

🌇 8:46 p.m.

Fri. May 8  

🌅 6:10 a.m.

H: ≈60.0°F

L: ≈31.5°F

🌇 8:47 p.m.

Sat. May 9 🌗

🌅 6:09 a.m.

H: ≈60.2°F

L: ≈31.7°F

🌇 8:48 p.m.

Sun. May 10  

🌅 6:07 a.m.

H: ≈60.4°F

L: ≈32.0°F

🌇 8:50 p.m.

Mon. May 11  

🌅 6:06 a.m.

H: ≈60.6°F

L: ≈32.2°F

🌇 8:51 p.m.

Tue. May 12  

🌅 6:05 a.m.

H: ≈60.8°F

L: ≈32.4°F

🌇 8:52 p.m.

Wed. May 13  

🌅 6:04 a.m.

H: ≈60.9°F

L: ≈32.6°F

🌇 8:53 p.m.

Thu. May 14 Ascension  

🌅 6:03 a.m.

H: ≈61.1°F

L: ≈32.8°F

🌇 8:54 p.m.

Fri. May 15  

🌅 6:01 a.m.

H: ≈61.2°F

L: ≈33.0°F

🌇 8:55 p.m.

Sat. May 16 🌑

🌅 6:00 a.m.

H: ≈61.4°F

L: ≈33.2°F

🌇 8:57 p.m.

Sun. May 17  

🌅 5:59 a.m.

H: ≈61.5°F

L: ≈33.4°F

🌇 8:58 p.m.

Mon. May 18  

🌅 5:58 a.m.

H: ≈61.7°F

L: ≈33.6°F

🌇 8:59 p.m.

Tue. May 19  

🌅 5:57 a.m.

H: ≈61.8°F

L: ≈33.8°F

🌇 9:00 p.m.

Wed. May 20  

🌅 5:56 a.m.

H: ≈61.9°F

L: ≈34.0°F

🌇 9:01 p.m.

Thu. May 21  

🌅 5:55 a.m.

H: ≈62.1°F

L: ≈34.1°F

🌇 9:02 p.m.

Fri. May 22  

🌅 5:54 a.m.

H: ≈62.2°F

L: ≈34.3°F

🌇 9:03 p.m.

Sat. May 23 🌓

🌅 5:53 a.m.

H: ≈62.3°F

L: ≈34.5°F

🌇 9:04 p.m.

Sun. May 24 Pentecost  

🌅 5:52 a.m.

H: ≈62.5°F

L: ≈34.7°F

🌇 9:05 p.m.

Mon. May 25 Memorial Day  

🌅 5:52 a.m.

H: ≈62.6°F

L: ≈34.9°F

🌇 9:06 p.m.

Tue. May 26  

🌅 5:51 a.m.

H: ≈62.8°F

L: ≈35.1°F

🌇 9:07 p.m.

Wed. May 27  

🌅 5:50 a.m.

H: ≈63.0°F

L: ≈35.2°F

🌇 9:08 p.m.

Thu. May 28  

🌅 5:49 a.m.

H: ≈63.2°F

L: ≈35.4°F

🌇 9:09 p.m.

Fri. May 29  

🌅 5:49 a.m.

H: ≈63.4°F

L: ≈35.6°F

🌇 9:10 p.m.

Sat. May 30  

🌅 5:48 a.m.

H: ≈63.6°F

L: ≈35.8°F

🌇 9:11 p.m.

Sun. May 31 🌕

🌅 5:47 a.m.

H: ≈63.8°F

L: ≈36.0°F

🌇 9:12 p.m.


Temperature climatic data from weather station: DILLON 18 WSW (USW00004137)

Precipitation climatic data from weather station: JACKSON (USC00244447)

Agricultural climatic data from weather station: JACKSON (USC00244447)