Weather Almanac: Sister Bay, WI 54234

🗓️ Historical norms for December 2025

November January

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

December avg. precipitation

🌧️ 1.54"

December days below freezing

📉 ≈30.3 days

Average December lows ≈19.4°F

USDA Zone

Annual extreme lows -15°F to -10°F

Last Spring Frost (36°F)

🌷 Jun 1

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First Fall Frost (36°F)

🍂 Sep 28

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F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Mon. December 1

🌅 7:07 a.m.

H: ≈35.0°F

L: ≈24.9°F

🌇 4:07 p.m.

Tue. December 2

🌅 7:08 a.m.

H: ≈34.6°F

L: ≈24.4°F

🌇 4:07 p.m.

Wed. December 3

🌅 7:09 a.m.

H: ≈34.1°F

L: ≈24.0°F

🌇 4:06 p.m.

Thu. December 4

🌅 7:10 a.m.

H: ≈33.7°F

L: ≈23.6°F

🌇 4:06 p.m.

Fri. December 5

🌅 7:11 a.m.

H: ≈33.3°F

L: ≈23.3°F

🌇 4:06 p.m.

Sat. December 6

🌅 7:12 a.m.

H: ≈32.9°F

L: ≈22.9°F

🌇 4:06 p.m.

Sun. December 7

🌅 7:13 a.m.

H: ≈32.5°F

L: ≈22.5°F

🌇 4:06 p.m.

Mon. December 8

🌅 7:14 a.m.

H: ≈32.1°F

L: ≈22.1°F

🌇 4:06 p.m.

Tue. December 9

🌅 7:15 a.m.

H: ≈31.7°F

L: ≈21.7°F

🌇 4:05 p.m.

Wed. December 10

🌅 7:16 a.m.

H: ≈31.4°F

L: ≈21.3°F

🌇 4:05 p.m.

Thu. December 11

🌅 7:17 a.m.

H: ≈31.1°F

L: ≈20.9°F

🌇 4:06 p.m.

Fri. December 12

🌅 7:18 a.m.

H: ≈30.8°F

L: ≈20.6°F

🌇 4:06 p.m.

Sat. December 13

🌅 7:19 a.m.

H: ≈30.5°F

L: ≈20.2°F

🌇 4:06 p.m.

Sun. December 14

🌅 7:19 a.m.

H: ≈30.2°F

L: ≈19.9°F

🌇 4:06 p.m.

Mon. December 15

🌅 7:20 a.m.

H: ≈30.0°F

L: ≈19.5°F

🌇 4:06 p.m.

Tue. December 16

🌅 7:21 a.m.

H: ≈29.8°F

L: ≈19.2°F

🌇 4:06 p.m.

Wed. December 17

🌅 7:22 a.m.

H: ≈29.5°F

L: ≈18.8°F

🌇 4:07 p.m.

Thu. December 18

🌅 7:22 a.m.

H: ≈29.3°F

L: ≈18.5°F

🌇 4:07 p.m.

Fri. December 19

🌅 7:23 a.m.

H: ≈29.2°F

L: ≈18.2°F

🌇 4:08 p.m.

Sat. December 20

🌅 7:23 a.m.

H: ≈29.0°F

L: ≈17.9°F

🌇 4:08 p.m.

Sun. December 21 Winter Solstice

🌅 7:24 a.m.

H: ≈28.8°F

L: ≈17.5°F

🌇 4:08 p.m.

Mon. December 22

🌅 7:24 a.m.

H: ≈28.7°F

L: ≈17.2°F

🌇 4:09 p.m.

Tue. December 23

🌅 7:25 a.m.

H: ≈28.6°F

L: ≈16.9°F

🌇 4:10 p.m.

Wed. December 24 Christmas Eve

🌅 7:25 a.m.

H: ≈28.5°F

L: ≈16.6°F

🌇 4:10 p.m.

Thu. December 25 Christmas Day

🌅 7:26 a.m.

H: ≈28.4°F

L: ≈16.4°F

🌇 4:11 p.m.

Fri. December 26

🌅 7:26 a.m.

H: ≈28.3°F

L: ≈16.1°F

🌇 4:12 p.m.

Sat. December 27

🌅 7:26 a.m.

H: ≈28.2°F

L: ≈15.8°F

🌇 4:12 p.m.

Sun. December 28

🌅 7:26 a.m.

H: ≈28.1°F

L: ≈15.5°F

🌇 4:13 p.m.

Mon. December 29

🌅 7:27 a.m.

H: ≈28.1°F

L: ≈15.3°F

🌇 4:14 p.m.

Tue. December 30

🌅 7:27 a.m.

H: ≈28.0°F

L: ≈15.0°F

🌇 4:15 p.m.

Wed. December 31 New Year's Eve

🌅 7:27 a.m.

H: ≈28.0°F

L: ≈14.7°F

🌇 4:16 p.m.

November January

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

Temperature climatic data from weather station: EPHRAIM 1NE-WWTP (USC00472626)

Precipitation climatic data from weather station: EPHRAIM 1NE-WWTP (USC00472626)

Agricultural climatic data from weather station: WASHINGTON IS (USC00478905)