Weather Almanac: Santa Rosa, CA 95409

🗓️ Historical norms for December 2025

November January

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

December avg. precipitation

🌧️ 6.19"

December days below freezing

📉 ≈5.7 days

Average December lows 36°F – 42°F

USDA Zone

Annual extreme lows 25°F to 30°F

Last Spring Frost (36°F)

🌷 Apr 6

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First Fall Frost (36°F)

🍂 Nov 10

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Book Recommendations (ads!)

📚 Month-by-Month Gardening California: What to Do Each Month to Have a Beautiful Garden All Year

📚 Pacific Northwest Month-by-Month Gardening: What to Do Each Month to Have a Beautiful Garden All Year

📚 California Gardener's Handbook: Your Complete Guide: Select - Plan - Plant - Maintain - Problem-solve

F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Mon. December 1

🌅 7:09 a.m.

H: 56°F – 67°F

L: 33°F – 47°F

🌇 4:49 p.m.

Tue. December 2

🌅 7:10 a.m.

H: 56°F – 67°F

L: 33°F – 47°F

🌇 4:49 p.m.

Wed. December 3

🌅 7:11 a.m.

H: 56°F – 66°F

L: 33°F – 47°F

🌇 4:49 p.m.

Thu. December 4

🌅 7:12 a.m.

H: 55°F – 66°F

L: 33°F – 47°F

🌇 4:49 p.m.

Fri. December 5

🌅 7:12 a.m.

H: 55°F – 66°F

L: 33°F – 47°F

🌇 4:49 p.m.

Sat. December 6

🌅 7:13 a.m.

H: 55°F – 66°F

L: 32°F – 46°F

🌇 4:49 p.m.

Sun. December 7

🌅 7:14 a.m.

H: 55°F – 65°F

L: 32°F – 46°F

🌇 4:49 p.m.

Mon. December 8

🌅 7:15 a.m.

H: 55°F – 65°F

L: 32°F – 46°F

🌇 4:49 p.m.

Tue. December 9

🌅 7:16 a.m.

H: 55°F – 65°F

L: 32°F – 46°F

🌇 4:49 p.m.

Wed. December 10

🌅 7:17 a.m.

H: 54°F – 65°F

L: 32°F – 46°F

🌇 4:49 p.m.

Thu. December 11

🌅 7:17 a.m.

H: 54°F – 65°F

L: 32°F – 46°F

🌇 4:49 p.m.

Fri. December 12

🌅 7:18 a.m.

H: 54°F – 64°F

L: 32°F – 46°F

🌇 4:49 p.m.

Sat. December 13

🌅 7:19 a.m.

H: 54°F – 64°F

L: 32°F – 46°F

🌇 4:50 p.m.

Sun. December 14

🌅 7:20 a.m.

H: 54°F – 64°F

L: 32°F – 46°F

🌇 4:50 p.m.

Mon. December 15

🌅 7:20 a.m.

H: 53°F – 64°F

L: 32°F – 46°F

🌇 4:50 p.m.

Tue. December 16

🌅 7:21 a.m.

H: 53°F – 64°F

L: 32°F – 46°F

🌇 4:51 p.m.

Wed. December 17

🌅 7:22 a.m.

H: 53°F – 64°F

L: 32°F – 46°F

🌇 4:51 p.m.

Thu. December 18

🌅 7:22 a.m.

H: 53°F – 64°F

L: 31°F – 46°F

🌇 4:51 p.m.

Fri. December 19

🌅 7:23 a.m.

H: 53°F – 64°F

L: 31°F – 46°F

🌇 4:52 p.m.

Sat. December 20

🌅 7:23 a.m.

H: 53°F – 64°F

L: 32°F – 46°F

🌇 4:52 p.m.

Sun. December 21 Winter Solstice

🌅 7:24 a.m.

H: 53°F – 64°F

L: 32°F – 46°F

🌇 4:53 p.m.

Mon. December 22

🌅 7:24 a.m.

H: 53°F – 63°F

L: 32°F – 46°F

🌇 4:53 p.m.

Tue. December 23

🌅 7:25 a.m.

H: 53°F – 63°F

L: 31°F – 46°F

🌇 4:54 p.m.

Wed. December 24 Christmas Eve

🌅 7:25 a.m.

H: 53°F – 63°F

L: 31°F – 46°F

🌇 4:54 p.m.

Thu. December 25 Christmas Day

🌅 7:26 a.m.

H: 53°F – 63°F

L: 31°F – 46°F

🌇 4:55 p.m.

Fri. December 26

🌅 7:26 a.m.

H: 53°F – 63°F

L: 32°F – 46°F

🌇 4:56 p.m.

Sat. December 27

🌅 7:26 a.m.

H: 53°F – 63°F

L: 32°F – 46°F

🌇 4:56 p.m.

Sun. December 28

🌅 7:27 a.m.

H: 53°F – 63°F

L: 32°F – 46°F

🌇 4:57 p.m.

Mon. December 29

🌅 7:27 a.m.

H: 53°F – 63°F

L: 32°F – 46°F

🌇 4:58 p.m.

Tue. December 30

🌅 7:27 a.m.

H: 53°F – 63°F

L: 32°F – 46°F

🌇 4:59 p.m.

Wed. December 31

🌅 7:27 a.m.

H: 53°F – 63°F

L: 32°F – 46°F

🌇 4:59 p.m.

November January

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

Temperature climatic data from weather station: SANTA ROSA (USC00047965)

Precipitation climatic data from weather station: SANTA ROSA (USC00047965)

Agricultural climatic data from weather station: SANTA ROSA (USC00047965)