Weather Almanac: Monroe, OR 97456

🗓️ Historical norms for December 2025

November January

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

December avg. precipitation

🌧️ 13.09"

December days below freezing

📉 ≈13.0 days

Average December lows ≈33.8°F

USDA Zone

Annual extreme lows 15°F to 20°F

Last Spring Frost (36°F)

🌷 May 19

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First Fall Frost (36°F)

🍂 Oct 6

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Book Recommendations (ads!)

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

📚 Gardening in the Pacific Northwest: The Complete Homeowner's Guide

📚 Growing Vegetables West of the Cascades, 35th Anniversary Edition: The Complete Guide to Organic Gardening

F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Mon. December 1

🌅 7:29 a.m.

H: ≈46.4°F

L: ≈34.7°F

🌇 4:35 p.m.

Tue. December 2

🌅 7:30 a.m.

H: ≈46.1°F

L: ≈34.5°F

🌇 4:35 p.m.

Wed. December 3

🌅 7:31 a.m.

H: ≈45.9°F

L: ≈34.4°F

🌇 4:34 p.m.

Thu. December 4

🌅 7:32 a.m.

H: ≈45.8°F

L: ≈34.2°F

🌇 4:34 p.m.

Fri. December 5

🌅 7:33 a.m.

H: ≈45.6°F

L: ≈34.1°F

🌇 4:34 p.m.

Sat. December 6

🌅 7:34 a.m.

H: ≈45.4°F

L: ≈34.0°F

🌇 4:34 p.m.

Sun. December 7

🌅 7:35 a.m.

H: ≈45.3°F

L: ≈33.9°F

🌇 4:34 p.m.

Mon. December 8

🌅 7:36 a.m.

H: ≈45.2°F

L: ≈33.8°F

🌇 4:34 p.m.

Tue. December 9

🌅 7:37 a.m.

H: ≈45.1°F

L: ≈33.7°F

🌇 4:34 p.m.

Wed. December 10

🌅 7:38 a.m.

H: ≈45.0°F

L: ≈33.6°F

🌇 4:34 p.m.

Thu. December 11

🌅 7:39 a.m.

H: ≈44.9°F

L: ≈33.6°F

🌇 4:34 p.m.

Fri. December 12

🌅 7:40 a.m.

H: ≈44.9°F

L: ≈33.5°F

🌇 4:34 p.m.

Sat. December 13

🌅 7:41 a.m.

H: ≈44.9°F

L: ≈33.5°F

🌇 4:34 p.m.

Sun. December 14

🌅 7:41 a.m.

H: ≈44.8°F

L: ≈33.5°F

🌇 4:34 p.m.

Mon. December 15

🌅 7:42 a.m.

H: ≈44.8°F

L: ≈33.5°F

🌇 4:34 p.m.

Tue. December 16

🌅 7:43 a.m.

H: ≈44.8°F

L: ≈33.5°F

🌇 4:35 p.m.

Wed. December 17

🌅 7:44 a.m.

H: ≈44.9°F

L: ≈33.5°F

🌇 4:35 p.m.

Thu. December 18

🌅 7:44 a.m.

H: ≈44.9°F

L: ≈33.5°F

🌇 4:35 p.m.

Fri. December 19

🌅 7:45 a.m.

H: ≈44.9°F

L: ≈33.5°F

🌇 4:36 p.m.

Sat. December 20

🌅 7:45 a.m.

H: ≈45.0°F

L: ≈33.5°F

🌇 4:36 p.m.

Sun. December 21 Winter Solstice

🌅 7:46 a.m.

H: ≈45.0°F

L: ≈33.6°F

🌇 4:37 p.m.

Mon. December 22

🌅 7:46 a.m.

H: ≈45.1°F

L: ≈33.6°F

🌇 4:37 p.m.

Tue. December 23

🌅 7:47 a.m.

H: ≈45.2°F

L: ≈33.7°F

🌇 4:38 p.m.

Wed. December 24 Christmas Eve

🌅 7:47 a.m.

H: ≈45.3°F

L: ≈33.7°F

🌇 4:38 p.m.

Thu. December 25 Christmas Day

🌅 7:48 a.m.

H: ≈45.3°F

L: ≈33.8°F

🌇 4:39 p.m.

Fri. December 26

🌅 7:48 a.m.

H: ≈45.4°F

L: ≈33.8°F

🌇 4:40 p.m.

Sat. December 27

🌅 7:48 a.m.

H: ≈45.5°F

L: ≈33.9°F

🌇 4:40 p.m.

Sun. December 28

🌅 7:48 a.m.

H: ≈45.6°F

L: ≈33.9°F

🌇 4:41 p.m.

Mon. December 29

🌅 7:49 a.m.

H: ≈45.7°F

L: ≈34.0°F

🌇 4:42 p.m.

Tue. December 30

🌅 7:49 a.m.

H: ≈45.8°F

L: ≈34.0°F

🌇 4:43 p.m.

Wed. December 31

🌅 7:49 a.m.

H: ≈45.8°F

L: ≈34.1°F

🌇 4:44 p.m.

November January

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

Temperature climatic data from weather station: CORVALLIS 10 SSW (USW00004236)

Precipitation climatic data from weather station: CORVALLIS WATER BUREAU (USC00351877)

Agricultural climatic data from weather station: CORVALLIS WATER BUREAU (USC00351877)