Weather Almanac: Agar, SD 57520

🗓️ Historical norms for January 2026

December February

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

January avg. precipitation

🌧️ 0.52"

January days below freezing

📉 ≈30.7 days

Average January lows 0°F – 13°F

USDA Zone

Annual extreme lows -25°F to -20°F

Last Spring Frost (36°F)

🌷 May 24

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First Fall Frost (36°F)

🍂 Sep 13

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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

🌅 8:18 a.m.

H: 12°F – 41°F

L: -8°F – 20°F

🌇 5:10 p.m.

Fri. January 2

🌅 8:18 a.m.

H: 12°F – 41°F

L: -8°F – 20°F

🌇 5:11 p.m.

Sat. January 3

🌅 8:18 a.m.

H: 12°F – 41°F

L: -8°F – 20°F

🌇 5:12 p.m.

Sun. January 4

🌅 8:18 a.m.

H: 12°F – 41°F

L: -8°F – 20°F

🌇 5:13 p.m.

Mon. January 5

🌅 8:18 a.m.

H: 12°F – 41°F

L: -8°F – 20°F

🌇 5:14 p.m.

Tue. January 6 Epiphany

🌅 8:18 a.m.

H: 12°F – 41°F

L: -8°F – 20°F

🌇 5:15 p.m.

Wed. January 7

🌅 8:17 a.m.

H: 12°F – 41°F

L: -8°F – 20°F

🌇 5:16 p.m.

Thu. January 8

🌅 8:17 a.m.

H: 12°F – 41°F

L: -8°F – 20°F

🌇 5:17 p.m.

Fri. January 9

🌅 8:17 a.m.

H: 12°F – 41°F

L: -8°F – 20°F

🌇 5:18 p.m.

Sat. January 10

🌅 8:16 a.m.

H: 12°F – 41°F

L: -8°F – 20°F

🌇 5:19 p.m.

Sun. January 11

🌅 8:16 a.m.

H: 13°F – 41°F

L: -8°F – 20°F

🌇 5:21 p.m.

Mon. January 12

🌅 8:16 a.m.

H: 13°F – 42°F

L: -8°F – 20°F

🌇 5:22 p.m.

Tue. January 13

🌅 8:15 a.m.

H: 13°F – 42°F

L: -8°F – 20°F

🌇 5:23 p.m.

Wed. January 14

🌅 8:15 a.m.

H: 13°F – 42°F

L: -8°F – 20°F

🌇 5:24 p.m.

Thu. January 15

🌅 8:14 a.m.

H: 13°F – 42°F

L: -8°F – 20°F

🌇 5:25 p.m.

Fri. January 16

🌅 8:14 a.m.

H: 13°F – 42°F

L: -8°F – 20°F

🌇 5:27 p.m.

Sat. January 17

🌅 8:13 a.m.

H: 13°F – 42°F

L: -8°F – 21°F

🌇 5:28 p.m.

Sun. January 18

🌅 8:12 a.m.

H: 13°F – 42°F

L: -8°F – 21°F

🌇 5:29 p.m.

Mon. January 19 Martin Luther King Jr. Day

🌅 8:12 a.m.

H: 13°F – 42°F

L: -8°F – 21°F

🌇 5:31 p.m.

Tue. January 20

🌅 8:11 a.m.

H: 13°F – 43°F

L: -8°F – 21°F

🌇 5:32 p.m.

Wed. January 21

🌅 8:10 a.m.

H: 13°F – 43°F

L: -8°F – 21°F

🌇 5:33 p.m.

Thu. January 22

🌅 8:09 a.m.

H: 13°F – 43°F

L: -8°F – 21°F

🌇 5:35 p.m.

Fri. January 23

🌅 8:08 a.m.

H: 13°F – 43°F

L: -8°F – 21°F

🌇 5:36 p.m.

Sat. January 24

🌅 8:08 a.m.

H: 13°F – 43°F

L: -8°F – 21°F

🌇 5:37 p.m.

Sun. January 25

🌅 8:07 a.m.

H: 13°F – 43°F

L: -7°F – 21°F

🌇 5:39 p.m.

Mon. January 26

🌅 8:06 a.m.

H: 13°F – 43°F

L: -7°F – 21°F

🌇 5:40 p.m.

Tue. January 27

🌅 8:05 a.m.

H: 13°F – 43°F

L: -7°F – 21°F

🌇 5:42 p.m.

Wed. January 28

🌅 8:04 a.m.

H: 14°F – 44°F

L: -7°F – 22°F

🌇 5:43 p.m.

Thu. January 29

🌅 8:03 a.m.

H: 14°F – 44°F

L: -7°F – 22°F

🌇 5:44 p.m.

Fri. January 30

🌅 8:02 a.m.

H: 14°F – 44°F

L: -7°F – 22°F

🌇 5:46 p.m.

Sat. January 31

🌅 8:00 a.m.

H: 14°F – 44°F

L: -7°F – 22°F

🌇 5:47 p.m.

December February

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

Temperature climatic data from weather station: ONIDA 4 NW (USC00396292)

Precipitation climatic data from weather station: ONIDA 4 NW (USC00396292)

Agricultural climatic data from weather station: ONIDA 4 NW (USC00396292)