Weather Almanac: Hays, MT 59527

🗓️ Historical norms for December 2025

November January

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

December avg. precipitation

🌧️ 0.48"

December days below freezing

📉 ≈30.0 days

Average December lows ≈6.1°F

USDA Zone

Annual extreme lows -25°F to -20°F

Last Spring Frost (36°F)

🌷 Jun 1

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First Fall Frost (36°F)

🍂 Sep 9

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F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Mon. December 1

🌅 7:44 a.m.

H: ≈36.9°F

L: ≈10.6°F

🌇 4:23 p.m.

Tue. December 2

🌅 7:45 a.m.

H: ≈36.5°F

L: ≈10.3°F

🌇 4:23 p.m.

Wed. December 3

🌅 7:46 a.m.

H: ≈36.2°F

L: ≈10.0°F

🌇 4:22 p.m.

Thu. December 4

🌅 7:47 a.m.

H: ≈35.8°F

L: ≈9.7°F

🌇 4:22 p.m.

Fri. December 5

🌅 7:49 a.m.

H: ≈35.5°F

L: ≈9.4°F

🌇 4:22 p.m.

Sat. December 6

🌅 7:50 a.m.

H: ≈35.2°F

L: ≈9.0°F

🌇 4:22 p.m.

Sun. December 7

🌅 7:51 a.m.

H: ≈34.9°F

L: ≈8.7°F

🌇 4:21 p.m.

Mon. December 8

🌅 7:52 a.m.

H: ≈34.7°F

L: ≈8.4°F

🌇 4:21 p.m.

Tue. December 9

🌅 7:53 a.m.

H: ≈34.4°F

L: ≈8.1°F

🌇 4:21 p.m.

Wed. December 10

🌅 7:54 a.m.

H: ≈34.1°F

L: ≈7.8°F

🌇 4:21 p.m.

Thu. December 11

🌅 7:55 a.m.

H: ≈33.9°F

L: ≈7.5°F

🌇 4:21 p.m.

Fri. December 12

🌅 7:56 a.m.

H: ≈33.7°F

L: ≈7.1°F

🌇 4:21 p.m.

Sat. December 13

🌅 7:57 a.m.

H: ≈33.5°F

L: ≈6.8°F

🌇 4:21 p.m.

Sun. December 14

🌅 7:57 a.m.

H: ≈33.3°F

L: ≈6.5°F

🌇 4:21 p.m.

Mon. December 15

🌅 7:58 a.m.

H: ≈33.1°F

L: ≈6.2°F

🌇 4:22 p.m.

Tue. December 16

🌅 7:59 a.m.

H: ≈32.9°F

L: ≈5.9°F

🌇 4:22 p.m.

Wed. December 17

🌅 8:00 a.m.

H: ≈32.7°F

L: ≈5.6°F

🌇 4:22 p.m.

Thu. December 18

🌅 8:00 a.m.

H: ≈32.5°F

L: ≈5.3°F

🌇 4:22 p.m.

Fri. December 19

🌅 8:01 a.m.

H: ≈32.4°F

L: ≈5.0°F

🌇 4:23 p.m.

Sat. December 20

🌅 8:01 a.m.

H: ≈32.2°F

L: ≈4.7°F

🌇 4:23 p.m.

Sun. December 21 Winter Solstice

🌅 8:02 a.m.

H: ≈32.1°F

L: ≈4.5°F

🌇 4:24 p.m.

Mon. December 22

🌅 8:02 a.m.

H: ≈32.0°F

L: ≈4.2°F

🌇 4:24 p.m.

Tue. December 23

🌅 8:03 a.m.

H: ≈31.9°F

L: ≈4.0°F

🌇 4:25 p.m.

Wed. December 24 Christmas Eve

🌅 8:03 a.m.

H: ≈31.8°F

L: ≈3.7°F

🌇 4:26 p.m.

Thu. December 25 Christmas Day

🌅 8:04 a.m.

H: ≈31.7°F

L: ≈3.5°F

🌇 4:26 p.m.

Fri. December 26

🌅 8:04 a.m.

H: ≈31.6°F

L: ≈3.3°F

🌇 4:27 p.m.

Sat. December 27

🌅 8:04 a.m.

H: ≈31.5°F

L: ≈3.1°F

🌇 4:28 p.m.

Sun. December 28

🌅 8:04 a.m.

H: ≈31.5°F

L: ≈2.9°F

🌇 4:28 p.m.

Mon. December 29

🌅 8:04 a.m.

H: ≈31.4°F

L: ≈2.7°F

🌇 4:29 p.m.

Tue. December 30

🌅 8:04 a.m.

H: ≈31.4°F

L: ≈2.5°F

🌇 4:30 p.m.

Wed. December 31

🌅 8:05 a.m.

H: ≈31.3°F

L: ≈2.4°F

🌇 4:31 p.m.

November January

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

Temperature climatic data from weather station: HARLEM 20S (USC00243934)

Precipitation climatic data from weather station: HARLEM 20S (USC00243934)

Agricultural climatic data from weather station: ROY 24 NE MOBRIDGE (USC00247234)