Weather Almanac: Spearfish, SD 57799

🗓️ Historical norms for January 2026

December February

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

January avg. precipitation

🌧️ 0.51"

January days below freezing

📉 ≈25.0 days

Average January lows 13°F – 26°F

Last Spring Frost (36°F)

🌷 May 16

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First Fall Frost (36°F)

🍂 Sep 24

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Book Recommendations (ads!)

📚 Prairie & Plains States Month-by-Month Gardening: What to Do Each Month to Have a Beautiful Garden All Year

📚 Midwest Gardener's Handbook, 2nd Edition: All You Need to Know to Plan, Plant & Maintain a Midwest Garden

📚 The Timber Press Guide to Vegetable Gardening in the Midwest

F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Thu. January 1 New Year's Day

🌅 7:31 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:26 p.m.

Fri. January 2

🌅 7:31 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:27 p.m.

Sat. January 3

🌅 7:31 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:28 p.m.

Sun. January 4

🌅 7:31 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:29 p.m.

Mon. January 5

🌅 7:31 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:30 p.m.

Tue. January 6 Epiphany

🌅 7:31 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:31 p.m.

Wed. January 7

🌅 7:31 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:32 p.m.

Thu. January 8

🌅 7:31 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:33 p.m.

Fri. January 9

🌅 7:30 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:34 p.m.

Sat. January 10

🌅 7:30 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:35 p.m.

Sun. January 11

🌅 7:30 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:37 p.m.

Mon. January 12

🌅 7:29 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:38 p.m.

Tue. January 13

🌅 7:29 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:39 p.m.

Wed. January 14

🌅 7:28 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:40 p.m.

Thu. January 15

🌅 7:28 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:41 p.m.

Fri. January 16

🌅 7:27 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:43 p.m.

Sat. January 17

🌅 7:27 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:44 p.m.

Sun. January 18

🌅 7:26 a.m.

H: 25°F – 56°F

L: 4°F – 34°F

🌇 4:45 p.m.

Mon. January 19 Martin Luther King Jr. Day

🌅 7:25 a.m.

H: 24°F – 56°F

L: 4°F – 34°F

🌇 4:47 p.m.

Tue. January 20

🌅 7:25 a.m.

H: 24°F – 56°F

L: 4°F – 34°F

🌇 4:48 p.m.

Wed. January 21

🌅 7:24 a.m.

H: 24°F – 56°F

L: 4°F – 34°F

🌇 4:49 p.m.

Thu. January 22

🌅 7:23 a.m.

H: 24°F – 56°F

L: 4°F – 34°F

🌇 4:51 p.m.

Fri. January 23

🌅 7:22 a.m.

H: 24°F – 56°F

L: 4°F – 34°F

🌇 4:52 p.m.

Sat. January 24

🌅 7:21 a.m.

H: 24°F – 56°F

L: 4°F – 34°F

🌇 4:53 p.m.

Sun. January 25

🌅 7:21 a.m.

H: 24°F – 56°F

L: 4°F – 34°F

🌇 4:55 p.m.

Mon. January 26

🌅 7:20 a.m.

H: 24°F – 56°F

L: 4°F – 34°F

🌇 4:56 p.m.

Tue. January 27

🌅 7:19 a.m.

H: 24°F – 55°F

L: 4°F – 34°F

🌇 4:57 p.m.

Wed. January 28

🌅 7:18 a.m.

H: 24°F – 55°F

L: 4°F – 34°F

🌇 4:59 p.m.

Thu. January 29

🌅 7:17 a.m.

H: 24°F – 55°F

L: 4°F – 34°F

🌇 5:00 p.m.

Fri. January 30

🌅 7:16 a.m.

H: 24°F – 55°F

L: 4°F – 34°F

🌇 5:02 p.m.

Sat. January 31

🌅 7:14 a.m.

H: 24°F – 55°F

L: 4°F – 34°F

🌇 5:03 p.m.

December February

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

Temperature climatic data from weather station: SPEARFISH (USC00397882)

Precipitation climatic data from weather station: SPEARFISH (USC00397882)

Agricultural climatic data from weather station: SPEARFISH (USC00397882)