As of 14:48 PDT

Seattle, WA weather in December

82°

Seattle, Saturday, 8 August, 14:48

Overcast. Feels like 82°. High 82°, low 58°.

Pressure30.03 inHg

Wind3 mph W

Humidity45%

Visibility6.2 mi

Dew point59°

See detailed hourly forecast

In December, Seattle, WA averages a high of 43.4° and a low of 34.9°. About 7.5 inches of precipitation fall over the month (18 wet days). The record high is 58.3° (2023) and the record low -2.6° (1968). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	45°	36.7°	62%	55.6° (2021)	6.4° (1985)
2	44.8°	36.5°	68%	54.5° (2021)	19.6° (1985)
3	45.1°	36.1°	57%	56.3° (1965)	25.2° (1984)
4	44.4°	35.1°	57%	55.9° (2023)	19.2° (1970)
5	43.5°	34.9°	47%	58.3° (2023)	23.4° (1994)
6	44.2°	35.1°	52%	54.7° (2019)	23.7° (1972)
7	43.5°	35.4°	57%	54.9° (2025)	17.1° (1972)
8	43.5°	35.4°	55%	55.9° (2025)	14.9° (1972)
9	43.7°	35.4°	65%	55.4° (2025)	22.3° (1972)
10	44.2°	36.5°	73%	57.4° (2025)	16.9° (1972)
11	44.2°	36.1°	65%	57° (2025)	22.1° (1961)
12	43.9°	35.1°	63%	54.5° (2025)	16° (1972)
13	43.9°	35.2°	68%	54.7° (2025)	12.2° (1972)
14	44.1°	36.3°	75%	54.3° (2025)	24.1° (1967)
15	44.1°	36.1°	58%	58.1° (2025)	21.2° (1972)
16	44.4°	36°	57%	55° (2025)	8.4° (1964)
17	43.7°	35.2°	57%	53.8° (2025)	8.1° (1964)
18	43.5°	34.7°	57%	56.3° (2024)	14° (1964)
19	42.8°	34.9°	63%	53.4° (2024)	16.3° (1990)
20	42.4°	34.7°	68%	56.3° (2024)	5.5° (1990)
21	42.8°	34°	58%	55.9° (2020)	1.6° (1990)
22	42.6°	33.6°	60%	52.3° (2005)	5.9° (1990)
23	42.6°	33.8°	57%	53.2° (1963)	4.3° (1990)
24	43°	34.3°	57%	56.5° (2005)	12.7° (1983)
25	43°	34.7°	63%	55° (1980)	14.2° (1964)
26	43°	34.5°	57%	57° (1980)	23.5° (2021)
27	42.8°	34.2°	68%	56.1° (1980)	21.7° (2021)
28	42.1°	33.3°	53%	52.3° (2023)	8.4° (1968)
29	41.7°	33.4°	50%	57.6° (2023)	2.8° (1968)
30	42.3°	33.3°	55%	55.2° (2023)	-2.6° (1968)
31	41.7°	32.5°	47%	52.3° (1980)	10.9° (1968)