SeaTac Weather In December 2020

Historical Data for December 2020 in SeaTac, United States

Temperature	Max	Average	Min
Max Temperature	13.0°C (55.4°F)	8.29°C (46.92°F)	5.0°C (41.0°F)
Avg Temperature	10.0°C (50.0°F)	6.58°C (43.84°F)	3.0°C (37.4°F)
Min Temperature	8.0°C (46.4°F)	2.58°C (36.64°F)	-4.0°C (24.8°F)
Dew Point	Max	Average	Min
Dew Point	7.0°C (44.6°F)	2.87°C (37.17°F)	-3.0°C (26.6°F)
Precipitation	Max	Average	Min	Sum
Precipitation	37.9mm \| 1.49in	4.38mm \| 0.17in	0.0mm \| 0in	135.9mm \| 5.35in
Snowdepth	0.0mm \| 0in	0.0mm \| 0in	0.0mm \| 0in	0.0mm \| 0in
Wind	Max	Average	Min
Wind	18.0kmh \| 11.18mph	7.97kmh \| 4.95mph	2.0kmh \| 1.24mph
Gust Wind	29.0kmh \| 18.02mph	12.32kmh \| 7.66mph	3.0kmh \| 1.86mph
Sea Level Pressure	Max	Average	Min
Sea Level Pressure	37.9mb	4.38mb	0.0mb

December 2020 Graph

December 2020 - Daily Observations

Time	Temperature	Dew Point	Humidity	Wind Speed	Pressure	Precipitation
December	° C \| ° F	° C \| ° F	%	Kph \| Mph	Hg \| Mb	Total (mm/in)
2020-12-01	6 \| 42.8	2 \| 35.6	79	6 \| 3.73	30.5 \| 1033	0.0 \| 0.0
2020-12-02	8 \| 46.4	1 \| 33.8	65	5 \| 3.11	30.33 \| 1027	0.0 \| 0.0
2020-12-03	5 \| 41.0	-2 \| 28.4	58	2 \| 1.24	30.33 \| 1027	0.0 \| 0.0
2020-12-04	9 \| 48.2	2 \| 35.6	65	4 \| 2.49	30.42 \| 1030	0.0 \| 0.0
2020-12-05	9 \| 48.2	2 \| 35.6	66	4 \| 2.49	30.15 \| 1021	0.0 \| 0.0
2020-12-06	10 \| 50.0	6 \| 42.8	78	12 \| 7.46	30.36 \| 1028	1.9 \| 0.07
2020-12-07	8 \| 46.4	4 \| 39.2	77	5 \| 3.11	30.3 \| 1026	0.0 \| 0.0
2020-12-08	9 \| 48.2	7 \| 44.6	85	7 \| 4.35	30.18 \| 1022	9.3 \| 0.37
2020-12-09	8 \| 46.4	7 \| 44.6	90	4 \| 2.49	30.3 \| 1026	1.8 \| 0.07
2020-12-10	6 \| 42.8	3 \| 37.4	83	3 \| 1.86	30.12 \| 1020	0.1 \| 0.0
2020-12-11	6 \| 42.8	3 \| 37.4	82	12 \| 7.46	30.06 \| 1018	0.4 \| 0.02
2020-12-12	5 \| 41.0	0 \| 32.0	76	4 \| 2.49	30.12 \| 1020	0.1 \| 0.0
2020-12-13	4 \| 39.2	2 \| 35.6	84	5 \| 3.11	29.97 \| 1015	16.4 \| 0.65
2020-12-14	6 \| 42.8	4 \| 39.2	89	6 \| 3.73	30.18 \| 1022	0.1 \| 0.0
2020-12-15	6 \| 42.8	4 \| 39.2	85	12 \| 7.46	30.03 \| 1017	6.0 \| 0.24
2020-12-16	7 \| 44.6	4 \| 39.2	82	11 \| 6.84	29.91 \| 1013	5.1 \| 0.2
2020-12-17	8 \| 46.4	5 \| 41.0	83	13 \| 8.08	29.71 \| 1006	16.2 \| 0.64
2020-12-18	7 \| 44.6	4 \| 39.2	81	15 \| 9.32	30.09 \| 1019	1.6 \| 0.06
2020-12-19	7 \| 44.6	3 \| 37.4	77	15 \| 9.32	30.15 \| 1021	6.2 \| 0.24
2020-12-20	9 \| 48.2	7 \| 44.6	83	14 \| 8.7	30.09 \| 1019	2.8 \| 0.11
2020-12-21	7 \| 44.6	5 \| 41.0	88	12 \| 7.46	29.77 \| 1008	37.9 \| 1.49
2020-12-22	4 \| 39.2	2 \| 35.6	87	4 \| 2.49	30.27 \| 1025	2.8 \| 0.11
2020-12-23	3 \| 37.4	1 \| 33.8	80	5 \| 3.11	30.45 \| 1031	0.0 \| 0.0
2020-12-24	6 \| 42.8	-0 \| 32.0	69	3 \| 1.86	30.15 \| 1021	0.0 \| 0.0
2020-12-25	4 \| 39.2	-3 \| 26.6	60	5 \| 3.11	29.91 \| 1013	3.8 \| 0.15
2020-12-26	7 \| 44.6	2 \| 35.6	77	18 \| 11.18	29.88 \| 1012	2.6 \| 0.1
2020-12-27	6 \| 42.8	2 \| 35.6	78	5 \| 3.11	30.09 \| 1019	0.3 \| 0.01
2020-12-28	5 \| 41.0	1 \| 33.8	76	6 \| 3.73	30.09 \| 1019	0.0 \| 0.0
2020-12-29	4 \| 39.2	0 \| 32.0	79	3 \| 1.86	30.24 \| 1024	0.0 \| 0.0
2020-12-30	7 \| 44.6	5 \| 41.0	90	13 \| 8.08	29.88 \| 1012	13.0 \| 0.51
2020-12-31	8 \| 46.4	6 \| 42.8	90	14 \| 8.7	30.0 \| 1016	7.5 \| 0.3

Prev Month Next Month

Time	Temperature	Dew Point	Humidity	Wind Speed	Pressure	Precipitation
December	° C \| ° F	° C \| ° F	%	Kph \| Mph	Hg \| Mb	Total (mm/in)
2020-12-01	6 \| 42.8	2 \| 35.6	79	6 \| 3.73	30.5 \| 1033	0.0 \| 0.0
2020-12-02	8 \| 46.4	1 \| 33.8	65	5 \| 3.11	30.33 \| 1027	0.0 \| 0.0
2020-12-03	5 \| 41.0	-2 \| 28.4	58	2 \| 1.24	30.33 \| 1027	0.0 \| 0.0
2020-12-04	9 \| 48.2	2 \| 35.6	65	4 \| 2.49	30.42 \| 1030	0.0 \| 0.0
2020-12-05	9 \| 48.2	2 \| 35.6	66	4 \| 2.49	30.15 \| 1021	0.0 \| 0.0
2020-12-06	10 \| 50.0	6 \| 42.8	78	12 \| 7.46	30.36 \| 1028	1.9 \| 0.07
2020-12-07	8 \| 46.4	4 \| 39.2	77	5 \| 3.11	30.3 \| 1026	0.0 \| 0.0
2020-12-08	9 \| 48.2	7 \| 44.6	85	7 \| 4.35	30.18 \| 1022	9.3 \| 0.37
2020-12-09	8 \| 46.4	7 \| 44.6	90	4 \| 2.49	30.3 \| 1026	1.8 \| 0.07
2020-12-10	6 \| 42.8	3 \| 37.4	83	3 \| 1.86	30.12 \| 1020	0.1 \| 0.0
2020-12-11	6 \| 42.8	3 \| 37.4	82	12 \| 7.46	30.06 \| 1018	0.4 \| 0.02
2020-12-12	5 \| 41.0	0 \| 32.0	76	4 \| 2.49	30.12 \| 1020	0.1 \| 0.0
2020-12-13	4 \| 39.2	2 \| 35.6	84	5 \| 3.11	29.97 \| 1015	16.4 \| 0.65
2020-12-14	6 \| 42.8	4 \| 39.2	89	6 \| 3.73	30.18 \| 1022	0.1 \| 0.0
2020-12-15	6 \| 42.8	4 \| 39.2	85	12 \| 7.46	30.03 \| 1017	6.0 \| 0.24
2020-12-16	7 \| 44.6	4 \| 39.2	82	11 \| 6.84	29.91 \| 1013	5.1 \| 0.2
2020-12-17	8 \| 46.4	5 \| 41.0	83	13 \| 8.08	29.71 \| 1006	16.2 \| 0.64
2020-12-18	7 \| 44.6	4 \| 39.2	81	15 \| 9.32	30.09 \| 1019	1.6 \| 0.06
2020-12-19	7 \| 44.6	3 \| 37.4	77	15 \| 9.32	30.15 \| 1021	6.2 \| 0.24
2020-12-20	9 \| 48.2	7 \| 44.6	83	14 \| 8.7	30.09 \| 1019	2.8 \| 0.11
2020-12-21	7 \| 44.6	5 \| 41.0	88	12 \| 7.46	29.77 \| 1008	37.9 \| 1.49
2020-12-22	4 \| 39.2	2 \| 35.6	87	4 \| 2.49	30.27 \| 1025	2.8 \| 0.11
2020-12-23	3 \| 37.4	1 \| 33.8	80	5 \| 3.11	30.45 \| 1031	0.0 \| 0.0
2020-12-24	6 \| 42.8	-0 \| 32.0	69	3 \| 1.86	30.15 \| 1021	0.0 \| 0.0
2020-12-25	4 \| 39.2	-3 \| 26.6	60	5 \| 3.11	29.91 \| 1013	3.8 \| 0.15
2020-12-26	7 \| 44.6	2 \| 35.6	77	18 \| 11.18	29.88 \| 1012	2.6 \| 0.1
2020-12-27	6 \| 42.8	2 \| 35.6	78	5 \| 3.11	30.09 \| 1019	0.3 \| 0.01
2020-12-28	5 \| 41.0	1 \| 33.8	76	6 \| 3.73	30.09 \| 1019	0.0 \| 0.0
2020-12-29	4 \| 39.2	0 \| 32.0	79	3 \| 1.86	30.24 \| 1024	0.0 \| 0.0
2020-12-30	7 \| 44.6	5 \| 41.0	90	13 \| 8.08	29.88 \| 1012	13.0 \| 0.51
2020-12-31	8 \| 46.4	6 \| 42.8	90	14 \| 8.7	30.0 \| 1016	7.5 \| 0.3

SeaTac Weather In December 2020

December 2020 Graph

December 2020 - Daily Observations

SeaTac Historical Data