Weather Almanac: Genoa, CO 80818

🗓️ Historical norms for December 2025

November January

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

December avg. precipitation

🌧️ 0.30"

December days below freezing

📉 ≈29.6 days

Average December lows ≈17.3°F

USDA Zone

5b

Annual extreme lows -15°F to -10°F

Last Spring Frost (36°F)

🌷 May 31

View full details

First Fall Frost (36°F)

🍂 Sep 20

View full details

Book Recommendations (ads!)

📚 Rocky Mountain Month-By-Month Gardening: What to Do Each Month to Have A Beautiful Garden All Year - Colorado, Idaho, Montana, Utah, Wyoming

F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Mon. December 1

🌅 6:55 a.m.

H: ≈43.2°F

L: ≈19.0°F

🌇 4:30 p.m.

Tue. December 2

🌅 6:56 a.m.

H: ≈42.8°F

L: ≈18.8°F

🌇 4:30 p.m.

Wed. December 3

🌅 6:57 a.m.

H: ≈42.5°F

L: ≈18.5°F

🌇 4:30 p.m.

Thu. December 4

🌅 6:58 a.m.

H: ≈42.3°F

L: ≈18.3°F

🌇 4:30 p.m.

Fri. December 5

🌅 6:59 a.m.

H: ≈42.0°F

L: ≈18.0°F

🌇 4:30 p.m.

Sat. December 6

🌅 6:59 a.m.

H: ≈41.7°F

L: ≈17.8°F

🌇 4:30 p.m.

Sun. December 7

🌅 7:00 a.m.

H: ≈41.5°F

L: ≈17.6°F

🌇 4:30 p.m.

Mon. December 8

🌅 7:01 a.m.

H: ≈41.3°F

L: ≈17.5°F

🌇 4:30 p.m.

Tue. December 9

🌅 7:02 a.m.

H: ≈41.1°F

L: ≈17.3°F

🌇 4:30 p.m.

Wed. December 10

🌅 7:03 a.m.

H: ≈40.9°F

L: ≈17.2°F

🌇 4:30 p.m.

Thu. December 11

🌅 7:04 a.m.

H: ≈40.8°F

L: ≈17.1°F

🌇 4:30 p.m.

Fri. December 12

🌅 7:04 a.m.

H: ≈40.7°F

L: ≈17.0°F

🌇 4:30 p.m.

Sat. December 13

🌅 7:05 a.m.

H: ≈40.5°F

L: ≈16.9°F

🌇 4:30 p.m.

Sun. December 14

🌅 7:06 a.m.

H: ≈40.4°F

L: ≈16.9°F

🌇 4:31 p.m.

Mon. December 15

🌅 7:07 a.m.

H: ≈40.4°F

L: ≈16.8°F

🌇 4:31 p.m.

Tue. December 16

🌅 7:07 a.m.

H: ≈40.3°F

L: ≈16.8°F

🌇 4:31 p.m.

Wed. December 17

🌅 7:08 a.m.

H: ≈40.2°F

L: ≈16.8°F

🌇 4:32 p.m.

Thu. December 18

🌅 7:08 a.m.

H: ≈40.2°F

L: ≈16.8°F

🌇 4:32 p.m.

Fri. December 19

🌅 7:09 a.m.

H: ≈40.2°F

L: ≈16.8°F

🌇 4:32 p.m.

Sat. December 20

🌅 7:10 a.m.

H: ≈40.2°F

L: ≈16.8°F

🌇 4:33 p.m.

Sun. December 21 Winter Solstice

🌅 7:10 a.m.

H: ≈40.2°F

L: ≈16.8°F

🌇 4:33 p.m.

Mon. December 22

🌅 7:11 a.m.

H: ≈40.2°F

L: ≈16.8°F

🌇 4:34 p.m.

Tue. December 23

🌅 7:11 a.m.

H: ≈40.2°F

L: ≈16.9°F

🌇 4:34 p.m.

Wed. December 24 Christmas Eve

🌅 7:11 a.m.

H: ≈40.3°F

L: ≈16.9°F

🌇 4:35 p.m.

Thu. December 25 Christmas Day

🌅 7:12 a.m.

H: ≈40.3°F

L: ≈17.0°F

🌇 4:36 p.m.

Fri. December 26

🌅 7:12 a.m.

H: ≈40.4°F

L: ≈17.1°F

🌇 4:36 p.m.

Sat. December 27

🌅 7:13 a.m.

H: ≈40.5°F

L: ≈17.1°F

🌇 4:37 p.m.

Sun. December 28

🌅 7:13 a.m.

H: ≈40.5°F

L: ≈17.2°F

🌇 4:38 p.m.

Mon. December 29

🌅 7:13 a.m.

H: ≈40.6°F

L: ≈17.2°F

🌇 4:38 p.m.

Tue. December 30

🌅 7:13 a.m.

H: ≈40.7°F

L: ≈17.3°F

🌇 4:39 p.m.

Wed. December 31

🌅 7:13 a.m.

H: ≈40.8°F

L: ≈17.4°F

🌇 4:40 p.m.

November January

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

Temperature climatic data from weather station: GENOA (USC00053258)

Precipitation climatic data from weather station: GENOA (USC00053258)

Agricultural climatic data from weather station: SHAW 2 E (USC00057557)