Weather Almanac: Bismarck, ND 58505

🗓️ Historical norms for May 2026

May avg. precipitation
🌧️ 2.55"
May days below freezing
📉 ≈1.7 days
Average May lows ≈43.1°F
USDA Zone
4a
Annual extreme lows -30°F to -25°F
Last Spring Frost (36°F)
🌷 May 31
First Fall Frost (36°F)
🍂 Sep 9
Fri. May 1 🌕

🌅 6:27 a.m.

H: ≈63.0°F

L: ≈37.3°F

🌇 8:53 p.m.

Sat. May 2  

🌅 6:26 a.m.

H: ≈63.3°F

L: ≈37.7°F

🌇 8:54 p.m.

Sun. May 3  

🌅 6:24 a.m.

H: ≈63.6°F

L: ≈38.2°F

🌇 8:56 p.m.

Mon. May 4  

🌅 6:23 a.m.

H: ≈63.9°F

L: ≈38.6°F

🌇 8:57 p.m.

Tue. May 5  

🌅 6:21 a.m.

H: ≈64.3°F

L: ≈39.0°F

🌇 8:58 p.m.

Wed. May 6  

🌅 6:20 a.m.

H: ≈64.5°F

L: ≈39.4°F

🌇 9:00 p.m.

Thu. May 7  

🌅 6:18 a.m.

H: ≈64.8°F

L: ≈39.8°F

🌇 9:01 p.m.

Fri. May 8  

🌅 6:17 a.m.

H: ≈65.1°F

L: ≈40.3°F

🌇 9:02 p.m.

Sat. May 9 🌗

🌅 6:15 a.m.

H: ≈65.4°F

L: ≈40.7°F

🌇 9:03 p.m.

Sun. May 10  

🌅 6:14 a.m.

H: ≈65.7°F

L: ≈41.1°F

🌇 9:05 p.m.

Mon. May 11  

🌅 6:13 a.m.

H: ≈65.9°F

L: ≈41.5°F

🌇 9:06 p.m.

Tue. May 12  

🌅 6:11 a.m.

H: ≈66.2°F

L: ≈41.8°F

🌇 9:07 p.m.

Wed. May 13  

🌅 6:10 a.m.

H: ≈66.5°F

L: ≈42.2°F

🌇 9:09 p.m.

Thu. May 14 Ascension  

🌅 6:09 a.m.

H: ≈66.7°F

L: ≈42.6°F

🌇 9:10 p.m.

Fri. May 15  

🌅 6:08 a.m.

H: ≈67.0°F

L: ≈43.0°F

🌇 9:11 p.m.

Sat. May 16 🌑

🌅 6:07 a.m.

H: ≈67.2°F

L: ≈43.3°F

🌇 9:12 p.m.

Sun. May 17  

🌅 6:05 a.m.

H: ≈67.5°F

L: ≈43.7°F

🌇 9:13 p.m.

Mon. May 18  

🌅 6:04 a.m.

H: ≈67.8°F

L: ≈44.0°F

🌇 9:15 p.m.

Tue. May 19  

🌅 6:03 a.m.

H: ≈68.0°F

L: ≈44.4°F

🌇 9:16 p.m.

Wed. May 20  

🌅 6:02 a.m.

H: ≈68.3°F

L: ≈44.7°F

🌇 9:17 p.m.

Thu. May 21  

🌅 6:01 a.m.

H: ≈68.5°F

L: ≈45.1°F

🌇 9:18 p.m.

Fri. May 22  

🌅 6:00 a.m.

H: ≈68.8°F

L: ≈45.4°F

🌇 9:19 p.m.

Sat. May 23 🌓

🌅 5:59 a.m.

H: ≈69.1°F

L: ≈45.7°F

🌇 9:20 p.m.

Sun. May 24 Pentecost  

🌅 5:58 a.m.

H: ≈69.3°F

L: ≈46.0°F

🌇 9:21 p.m.

Mon. May 25 Memorial Day  

🌅 5:57 a.m.

H: ≈69.6°F

L: ≈46.4°F

🌇 9:23 p.m.

Tue. May 26  

🌅 5:56 a.m.

H: ≈69.9°F

L: ≈46.7°F

🌇 9:24 p.m.

Wed. May 27  

🌅 5:56 a.m.

H: ≈70.1°F

L: ≈47.0°F

🌇 9:25 p.m.

Thu. May 28  

🌅 5:55 a.m.

H: ≈70.4°F

L: ≈47.3°F

🌇 9:26 p.m.

Fri. May 29  

🌅 5:54 a.m.

H: ≈70.7°F

L: ≈47.6°F

🌇 9:27 p.m.

Sat. May 30  

🌅 5:53 a.m.

H: ≈71.0°F

L: ≈47.9°F

🌇 9:28 p.m.

Sun. May 31 🌕

🌅 5:53 a.m.

H: ≈71.3°F

L: ≈48.2°F

🌇 9:28 p.m.


Temperature climatic data from weather station: BISMARCK 2.4 NNW (USC00320817)

Precipitation climatic data from weather station: BISMARCK 2.4 NNW (USC00320817)

Agricultural climatic data from weather station: BISMARCK (USW00024011)