Weather Almanac: Garrison, MT 59731

🗓️ Historical norms for January 2026

December February

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

January avg. precipitation

🌧️ 0.25"

January days below freezing

📉 ≈29.9 days

Average January lows 6°F – 17°F

USDA Zone

4b

Annual extreme lows -25°F to -20°F

Last Spring Frost (36°F)

🌷 Always

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First Fall Frost (36°F)

🍂 Always

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F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Thu. January 1 New Year's Day

🌅 8:15 a.m.

H: 21°F – 44°F

L: -4°F – 24°F

🌇 4:54 p.m.

Fri. January 2

🌅 8:15 a.m.

H: 21°F – 44°F

L: -4°F – 24°F

🌇 4:55 p.m.

Sat. January 3

🌅 8:15 a.m.

H: 22°F – 45°F

L: -4°F – 24°F

🌇 4:56 p.m.

Sun. January 4

🌅 8:15 a.m.

H: 22°F – 45°F

L: -4°F – 25°F

🌇 4:57 p.m.

Mon. January 5

🌅 8:14 a.m.

H: 22°F – 45°F

L: -4°F – 25°F

🌇 4:58 p.m.

Tue. January 6 Epiphany

🌅 8:14 a.m.

H: 22°F – 45°F

L: -4°F – 25°F

🌇 4:59 p.m.

Wed. January 7

🌅 8:14 a.m.

H: 22°F – 45°F

L: -3°F – 25°F

🌇 5:00 p.m.

Thu. January 8

🌅 8:14 a.m.

H: 22°F – 45°F

L: -3°F – 25°F

🌇 5:01 p.m.

Fri. January 9

🌅 8:13 a.m.

H: 22°F – 45°F

L: -3°F – 25°F

🌇 5:03 p.m.

Sat. January 10

🌅 8:13 a.m.

H: 22°F – 45°F

L: -3°F – 25°F

🌇 5:04 p.m.

Sun. January 11

🌅 8:12 a.m.

H: 23°F – 45°F

L: -3°F – 25°F

🌇 5:05 p.m.

Mon. January 12

🌅 8:12 a.m.

H: 23°F – 46°F

L: -3°F – 26°F

🌇 5:06 p.m.

Tue. January 13

🌅 8:11 a.m.

H: 23°F – 46°F

L: -3°F – 26°F

🌇 5:08 p.m.

Wed. January 14

🌅 8:11 a.m.

H: 23°F – 46°F

L: -3°F – 26°F

🌇 5:09 p.m.

Thu. January 15

🌅 8:10 a.m.

H: 23°F – 46°F

L: -2°F – 26°F

🌇 5:10 p.m.

Fri. January 16

🌅 8:10 a.m.

H: 23°F – 46°F

L: -2°F – 26°F

🌇 5:12 p.m.

Sat. January 17

🌅 8:09 a.m.

H: 23°F – 46°F

L: -2°F – 26°F

🌇 5:13 p.m.

Sun. January 18

🌅 8:08 a.m.

H: 23°F – 46°F

L: -2°F – 26°F

🌇 5:14 p.m.

Mon. January 19 Martin Luther King Jr. Day

🌅 8:07 a.m.

H: 23°F – 47°F

L: -2°F – 26°F

🌇 5:16 p.m.

Tue. January 20

🌅 8:07 a.m.

H: 23°F – 47°F

L: -2°F – 26°F

🌇 5:17 p.m.

Wed. January 21

🌅 8:06 a.m.

H: 23°F – 47°F

L: -2°F – 26°F

🌇 5:18 p.m.

Thu. January 22

🌅 8:05 a.m.

H: 23°F – 47°F

L: -2°F – 26°F

🌇 5:20 p.m.

Fri. January 23

🌅 8:04 a.m.

H: 23°F – 47°F

L: -2°F – 26°F

🌇 5:21 p.m.

Sat. January 24

🌅 8:03 a.m.

H: 23°F – 47°F

L: -2°F – 26°F

🌇 5:23 p.m.

Sun. January 25

🌅 8:02 a.m.

H: 23°F – 47°F

L: -2°F – 26°F

🌇 5:24 p.m.

Mon. January 26

🌅 8:01 a.m.

H: 23°F – 47°F

L: -2°F – 26°F

🌇 5:26 p.m.

Tue. January 27

🌅 8:00 a.m.

H: 23°F – 47°F

L: -2°F – 26°F

🌇 5:27 p.m.

Wed. January 28

🌅 7:59 a.m.

H: 23°F – 47°F

L: -2°F – 26°F

🌇 5:29 p.m.

Thu. January 29

🌅 7:58 a.m.

H: 23°F – 48°F

L: -2°F – 26°F

🌇 5:30 p.m.

Fri. January 30

🌅 7:57 a.m.

H: 23°F – 48°F

L: -2°F – 26°F

🌇 5:32 p.m.

Sat. January 31

🌅 7:55 a.m.

H: 23°F – 48°F

L: -2°F – 26°F

🌇 5:33 p.m.

December February

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

Temperature climatic data from weather station: DEER LODGE 3 W (USC00242275)

Precipitation climatic data from weather station: DEER LODGE 3 W (USC00242275)

Agricultural climatic data from weather station: DEER LODGE 3 W (USC00242275)