As of 21:59 PDT

Diamond, OR weather in December

56°

Diamond, Tuesday, 6 October, 21:59

Clear. Feels like 53°. High 79°, low 45°.

Pressure30.03 inHg

Wind3.1 mph SE

Humidity39%

Visibility6.2 mi

Dew point31°

See detailed hourly forecast

In December, Diamond, OR averages a high of 35.9° and a low of 22.6°. About 2.0 inches of precipitation fall over the month (11 wet days). The record high is 59.5° (2021) and the record low -25.1° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	39.6°	25.7°	42%	59.5° (2021)	7.3° (1990)
2	39.2°	26.2°	38%	55.9° (2021)	5.7° (1984)
3	39°	25.5°	28%	52° (1987)	2.1° (2006)
4	38.8°	25.5°	33%	55.2° (1989)	2.8° (1972)
5	37.6°	23.5°	27%	58.1° (2023)	-17.1° (1972)
6	38.3°	25.5°	45%	56.7° (2023)	1.6° (1960)
7	37.2°	24.4°	32%	52.7° (1976)	-3.3° (2016)
8	36.7°	23°	37%	54.1° (1981)	-15° (1972)
9	37.6°	23.7°	23%	54.7° (2014)	-23.6° (1972)
10	37.8°	24.4°	35%	56.7° (2025)	-22.9° (1972)
11	37.2°	23.5°	35%	55° (2014)	-20.4° (1972)
12	36.3°	24.6°	48%	51.8° (1988)	-3.5° (1972)
13	36.3°	24.3°	43%	49.5° (1977)	3.9° (1967)
14	36.5°	22.5°	40%	52.9° (1962)	-6° (1972)
15	36.1°	22.6°	43%	53.6° (2025)	-4° (1972)
16	35.8°	22.8°	35%	51.4° (2025)	1.2° (1967)
17	35.4°	22.3°	33%	52° (1979)	-17° (1964)
18	35.2°	21.4°	32%	51.4° (1979)	-5.1° (2016)
19	34.2°	20.8°	33%	52.7° (2023)	0.1° (1984)
20	34.7°	21.4°	33%	50.9° (2018)	-9.2° (1990)
21	34.9°	23°	42%	52.9° (2020)	-19.8° (1998)
22	34°	20.5°	43%	52.9° (1964)	-18.2° (1990)
23	33.4°	20.3°	35%	55.6° (2025)	-25.1° (1983)
24	34.2°	20.5°	40%	50.4° (2025)	-10.5° (1983)
25	33.8°	19.2°	37%	52.7° (1980)	-2.2° (1990)
26	34.2°	20.5°	37%	54° (1980)	-0.9° (1988)
27	34.3°	21.2°	38%	48.4° (2022)	-4.5° (1988)
28	33.6°	21.2°	25%	51.1° (2011)	1.8° (1982)
29	34.2°	19.8°	40%	50.9° (1980)	-16.8° (1990)
30	33.6°	20.3°	40%	55.4° (1980)	-14.4° (1978)
31	32.2°	19.4°	32%	49.1° (2013)	-6.2° (2014)