Weather Almanac: Mount Vernon, SD 57363

🗓️ Historical norms for December 2025

November January

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

December avg. precipitation

🌧️ 0.58"

December days below freezing

📉 ≈30.6 days

Average December lows ≈11.7°F

USDA Zone

Annual extreme lows -20°F to -15°F

Last Spring Frost (36°F)

🌷 May 12

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First Fall Frost (36°F)

🍂 Sep 19

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📚 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

Mon. December 1

🌅 7:47 a.m.

H: ≈35.4°F

L: ≈16.7°F

🌇 4:57 p.m.

Tue. December 2

🌅 7:48 a.m.

H: ≈34.9°F

L: ≈16.2°F

🌇 4:56 p.m.

Wed. December 3

🌅 7:49 a.m.

H: ≈34.5°F

L: ≈15.8°F

🌇 4:56 p.m.

Thu. December 4

🌅 7:50 a.m.

H: ≈34.0°F

L: ≈15.3°F

🌇 4:56 p.m.

Fri. December 5

🌅 7:51 a.m.

H: ≈33.6°F

L: ≈14.9°F

🌇 4:56 p.m.

Sat. December 6

🌅 7:52 a.m.

H: ≈33.1°F

L: ≈14.5°F

🌇 4:56 p.m.

Sun. December 7

🌅 7:53 a.m.

H: ≈32.7°F

L: ≈14.1°F

🌇 4:55 p.m.

Mon. December 8

🌅 7:54 a.m.

H: ≈32.3°F

L: ≈13.7°F

🌇 4:55 p.m.

Tue. December 9

🌅 7:55 a.m.

H: ≈31.9°F

L: ≈13.3°F

🌇 4:55 p.m.

Wed. December 10

🌅 7:55 a.m.

H: ≈31.6°F

L: ≈13.0°F

🌇 4:55 p.m.

Thu. December 11

🌅 7:56 a.m.

H: ≈31.2°F

L: ≈12.6°F

🌇 4:55 p.m.

Fri. December 12

🌅 7:57 a.m.

H: ≈30.9°F

L: ≈12.3°F

🌇 4:56 p.m.

Sat. December 13

🌅 7:58 a.m.

H: ≈30.6°F

L: ≈12.0°F

🌇 4:56 p.m.

Sun. December 14

🌅 7:59 a.m.

H: ≈30.3°F

L: ≈11.7°F

🌇 4:56 p.m.

Mon. December 15

🌅 7:59 a.m.

H: ≈30.0°F

L: ≈11.4°F

🌇 4:56 p.m.

Tue. December 16

🌅 8:00 a.m.

H: ≈29.8°F

L: ≈11.1°F

🌇 4:57 p.m.

Wed. December 17

🌅 8:01 a.m.

H: ≈29.5°F

L: ≈10.8°F

🌇 4:57 p.m.

Thu. December 18

🌅 8:01 a.m.

H: ≈29.3°F

L: ≈10.6°F

🌇 4:57 p.m.

Fri. December 19

🌅 8:02 a.m.

H: ≈29.1°F

L: ≈10.4°F

🌇 4:58 p.m.

Sat. December 20

🌅 8:03 a.m.

H: ≈28.9°F

L: ≈10.2°F

🌇 4:58 p.m.

Sun. December 21 Winter Solstice

🌅 8:03 a.m.

H: ≈28.7°F

L: ≈10.0°F

🌇 4:59 p.m.

Mon. December 22

🌅 8:04 a.m.

H: ≈28.5°F

L: ≈9.8°F

🌇 4:59 p.m.

Tue. December 23

🌅 8:04 a.m.

H: ≈28.4°F

L: ≈9.6°F

🌇 5:00 p.m.

Wed. December 24 Christmas Eve

🌅 8:04 a.m.

H: ≈28.2°F

L: ≈9.5°F

🌇 5:00 p.m.

Thu. December 25 Christmas Day

🌅 8:05 a.m.

H: ≈28.1°F

L: ≈9.4°F

🌇 5:01 p.m.

Fri. December 26

🌅 8:05 a.m.

H: ≈28.0°F

L: ≈9.2°F

🌇 5:02 p.m.

Sat. December 27

🌅 8:05 a.m.

H: ≈27.9°F

L: ≈9.1°F

🌇 5:02 p.m.

Sun. December 28

🌅 8:06 a.m.

H: ≈27.8°F

L: ≈9.0°F

🌇 5:03 p.m.

Mon. December 29

🌅 8:06 a.m.

H: ≈27.8°F

L: ≈9.0°F

🌇 5:04 p.m.

Tue. December 30

🌅 8:06 a.m.

H: ≈27.7°F

L: ≈8.9°F

🌇 5:05 p.m.

Wed. December 31

🌅 8:06 a.m.

H: ≈27.7°F

L: ≈8.8°F

🌇 5:06 p.m.

November January

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

Temperature climatic data from weather station: MITCHELL (USC00395669)

Precipitation climatic data from weather station: MITCHELL (USC00395669)

Agricultural climatic data from weather station: MITCHELL MUNI AP (USW00094950)