Weather Almanac: Roy, MT 59471

🗓️ Historical norms for January 2026

December February

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

January avg. precipitation

🌧️ 0.36"

January days below freezing

📉 ≈28.8 days

Average January lows 2°F – 18°F

USDA Zone

4b

Annual extreme lows -25°F to -20°F

Last Spring Frost (36°F)

🌷 Jun 4

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First Fall Frost (36°F)

🍂 Sep 6

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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

🌅 8:02 a.m.

H: 16°F – 51°F

L: -8°F – 25°F

🌇 4:35 p.m.

Fri. January 2

🌅 8:02 a.m.

H: 16°F – 51°F

L: -8°F – 25°F

🌇 4:36 p.m.

Sat. January 3

🌅 8:02 a.m.

H: 16°F – 51°F

L: -8°F – 25°F

🌇 4:37 p.m.

Sun. January 4

🌅 8:02 a.m.

H: 16°F – 51°F

L: -8°F – 25°F

🌇 4:38 p.m.

Mon. January 5

🌅 8:02 a.m.

H: 17°F – 51°F

L: -8°F – 25°F

🌇 4:39 p.m.

Tue. January 6 Epiphany

🌅 8:01 a.m.

H: 17°F – 51°F

L: -8°F – 25°F

🌇 4:40 p.m.

Wed. January 7

🌅 8:01 a.m.

H: 17°F – 51°F

L: -8°F – 25°F

🌇 4:41 p.m.

Thu. January 8

🌅 8:01 a.m.

H: 17°F – 51°F

L: -8°F – 25°F

🌇 4:42 p.m.

Fri. January 9

🌅 8:00 a.m.

H: 17°F – 51°F

L: -8°F – 25°F

🌇 4:44 p.m.

Sat. January 10

🌅 8:00 a.m.

H: 17°F – 51°F

L: -7°F – 25°F

🌇 4:45 p.m.

Sun. January 11

🌅 8:00 a.m.

H: 17°F – 51°F

L: -7°F – 26°F

🌇 4:46 p.m.

Mon. January 12

🌅 7:59 a.m.

H: 17°F – 51°F

L: -7°F – 26°F

🌇 4:47 p.m.

Tue. January 13

🌅 7:58 a.m.

H: 18°F – 51°F

L: -7°F – 26°F

🌇 4:49 p.m.

Wed. January 14

🌅 7:58 a.m.

H: 18°F – 51°F

L: -7°F – 26°F

🌇 4:50 p.m.

Thu. January 15

🌅 7:57 a.m.

H: 18°F – 51°F

L: -7°F – 26°F

🌇 4:51 p.m.

Fri. January 16

🌅 7:57 a.m.

H: 18°F – 52°F

L: -7°F – 26°F

🌇 4:53 p.m.

Sat. January 17

🌅 7:56 a.m.

H: 18°F – 52°F

L: -7°F – 26°F

🌇 4:54 p.m.

Sun. January 18

🌅 7:55 a.m.

H: 18°F – 52°F

L: -7°F – 27°F

🌇 4:56 p.m.

Mon. January 19 Martin Luther King Jr. Day

🌅 7:54 a.m.

H: 18°F – 52°F

L: -7°F – 27°F

🌇 4:57 p.m.

Tue. January 20

🌅 7:53 a.m.

H: 18°F – 52°F

L: -7°F – 27°F

🌇 4:58 p.m.

Wed. January 21

🌅 7:53 a.m.

H: 18°F – 52°F

L: -6°F – 27°F

🌇 5:00 p.m.

Thu. January 22

🌅 7:52 a.m.

H: 18°F – 52°F

L: -6°F – 27°F

🌇 5:01 p.m.

Fri. January 23

🌅 7:51 a.m.

H: 18°F – 52°F

L: -6°F – 27°F

🌇 5:03 p.m.

Sat. January 24

🌅 7:50 a.m.

H: 18°F – 52°F

L: -6°F – 27°F

🌇 5:04 p.m.

Sun. January 25

🌅 7:49 a.m.

H: 18°F – 52°F

L: -6°F – 27°F

🌇 5:06 p.m.

Mon. January 26

🌅 7:48 a.m.

H: 18°F – 53°F

L: -6°F – 27°F

🌇 5:07 p.m.

Tue. January 27

🌅 7:46 a.m.

H: 18°F – 53°F

L: -6°F – 27°F

🌇 5:09 p.m.

Wed. January 28

🌅 7:45 a.m.

H: 18°F – 53°F

L: -6°F – 28°F

🌇 5:10 p.m.

Thu. January 29

🌅 7:44 a.m.

H: 19°F – 53°F

L: -5°F – 28°F

🌇 5:12 p.m.

Fri. January 30

🌅 7:43 a.m.

H: 19°F – 53°F

L: -5°F – 28°F

🌇 5:13 p.m.

Sat. January 31

🌅 7:42 a.m.

H: 19°F – 53°F

L: -5°F – 28°F

🌇 5:15 p.m.

December February

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

Temperature climatic data from weather station: ROY 8 NE (USC00247228)

Precipitation climatic data from weather station: ROY 8 NE (USC00247228)

Agricultural climatic data from weather station: ROY 8 NE (USC00247228)