Weather Almanac: Harlem, MT 59526

🗓️ Historical norms for December 2025

November January

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

December avg. precipitation

🌧️ 0.42"

December days below freezing

📉 ≈30.3 days

Average December lows 0°F – 16°F

USDA Zone

4a

Annual extreme lows -30°F to -25°F

Last Spring Frost (36°F)

🌷 Jun 3

View full details

First Fall Frost (36°F)

🍂 Sep 5

View full details

Book Recommendations (ads!)

📚 Rocky Mountain Month-By-Month Gardening: What to Do Each Month to Have A Beautiful Garden All Year - Colorado, Idaho, Montana, Utah, Wyoming

F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Mon. December 1

🌅 7:45 a.m.

H: 22°F – 51°F

L: -1°F – 26°F

🌇 4:21 p.m.

Tue. December 2

🌅 7:46 a.m.

H: 21°F – 51°F

L: -1°F – 25°F

🌇 4:21 p.m.

Wed. December 3

🌅 7:48 a.m.

H: 21°F – 50°F

L: -2°F – 25°F

🌇 4:21 p.m.

Thu. December 4

🌅 7:49 a.m.

H: 20°F – 50°F

L: -2°F – 25°F

🌇 4:20 p.m.

Fri. December 5

🌅 7:50 a.m.

H: 20°F – 50°F

L: -3°F – 24°F

🌇 4:20 p.m.

Sat. December 6

🌅 7:51 a.m.

H: 20°F – 49°F

L: -3°F – 24°F

🌇 4:20 p.m.

Sun. December 7

🌅 7:52 a.m.

H: 19°F – 49°F

L: -4°F – 24°F

🌇 4:19 p.m.

Mon. December 8

🌅 7:53 a.m.

H: 19°F – 49°F

L: -4°F – 24°F

🌇 4:19 p.m.

Tue. December 9

🌅 7:54 a.m.

H: 18°F – 49°F

L: -5°F – 23°F

🌇 4:19 p.m.

Wed. December 10

🌅 7:55 a.m.

H: 18°F – 49°F

L: -5°F – 23°F

🌇 4:19 p.m.

Thu. December 11

🌅 7:56 a.m.

H: 18°F – 48°F

L: -6°F – 23°F

🌇 4:19 p.m.

Fri. December 12

🌅 7:57 a.m.

H: 18°F – 48°F

L: -6°F – 23°F

🌇 4:19 p.m.

Sat. December 13

🌅 7:58 a.m.

H: 17°F – 48°F

L: -6°F – 22°F

🌇 4:19 p.m.

Sun. December 14

🌅 7:59 a.m.

H: 17°F – 48°F

L: -7°F – 22°F

🌇 4:19 p.m.

Mon. December 15

🌅 7:59 a.m.

H: 17°F – 48°F

L: -7°F – 22°F

🌇 4:20 p.m.

Tue. December 16

🌅 8:00 a.m.

H: 17°F – 48°F

L: -8°F – 22°F

🌇 4:20 p.m.

Wed. December 17

🌅 8:01 a.m.

H: 16°F – 48°F

L: -8°F – 22°F

🌇 4:20 p.m.

Thu. December 18

🌅 8:02 a.m.

H: 16°F – 48°F

L: -8°F – 22°F

🌇 4:20 p.m.

Fri. December 19

🌅 8:02 a.m.

H: 16°F – 48°F

L: -9°F – 22°F

🌇 4:21 p.m.

Sat. December 20

🌅 8:03 a.m.

H: 16°F – 48°F

L: -9°F – 22°F

🌇 4:21 p.m.

Sun. December 21 Winter Solstice

🌅 8:03 a.m.

H: 15°F – 48°F

L: -9°F – 22°F

🌇 4:22 p.m.

Mon. December 22

🌅 8:04 a.m.

H: 15°F – 48°F

L: -9°F – 22°F

🌇 4:22 p.m.

Tue. December 23

🌅 8:04 a.m.

H: 15°F – 48°F

L: -10°F – 22°F

🌇 4:23 p.m.

Wed. December 24 Christmas Eve

🌅 8:05 a.m.

H: 15°F – 48°F

L: -10°F – 22°F

🌇 4:24 p.m.

Thu. December 25 Christmas Day

🌅 8:05 a.m.

H: 15°F – 48°F

L: -10°F – 22°F

🌇 4:24 p.m.

Fri. December 26

🌅 8:05 a.m.

H: 15°F – 48°F

L: -10°F – 22°F

🌇 4:25 p.m.

Sat. December 27

🌅 8:05 a.m.

H: 15°F – 48°F

L: -10°F – 22°F

🌇 4:26 p.m.

Sun. December 28

🌅 8:06 a.m.

H: 14°F – 48°F

L: -11°F – 22°F

🌇 4:26 p.m.

Mon. December 29

🌅 8:06 a.m.

H: 14°F – 48°F

L: -11°F – 22°F

🌇 4:27 p.m.

Tue. December 30

🌅 8:06 a.m.

H: 14°F – 48°F

L: -11°F – 22°F

🌇 4:28 p.m.

Wed. December 31

🌅 8:06 a.m.

H: 14°F – 48°F

L: -11°F – 22°F

🌇 4:29 p.m.

November January

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

Temperature climatic data from weather station: HARLEM (USC00243929)

Precipitation climatic data from weather station: HARLEM (USC00243929)

Agricultural climatic data from weather station: HARLEM (USC00243929)