SeaTac Weather In December 2019

Historical Data for December 2019 in SeaTac, United States

Temperature	Max	Average	Min
Max Temperature	11.0°C (51.8°F)	7.81°C (46.06°F)	4.0°C (39.2°F)
Avg Temperature	10.0°C (50.0°F)	6.16°C (43.09°F)	3.0°C (37.4°F)
Min Temperature	9.0°C (48.2°F)	3.87°C (38.97°F)	0.0°C (0°F)
Dew Point	Max	Average	Min
Dew Point	9.0°C (48.2°F)	3.87°C (38.97°F)	-2.0°C (28.4°F)
Precipitation	Max	Average	Min	Sum
Precipitation	85.1mm \| 3.35in	7.33mm \| 0.29in	0.0mm \| 0in	227.3mm \| 8.95in
Snowdepth	0.0mm \| 0in	0.0mm \| 0in	0.0mm \| 0in	0.0mm \| 0in
Wind	Max	Average	Min
Wind	18.0kmh \| 11.18mph	5.39kmh \| 3.35mph	2.0kmh \| 1.24mph
Gust Wind	28.0kmh \| 17.4mph	8.45kmh \| 5.25mph	3.0kmh \| 1.86mph
Sea Level Pressure	Max	Average	Min
Sea Level Pressure	85.1mb	7.33mb	0.0mb

December 2019 Graph

December 2019 - Daily Observations

Time	Temperature	Dew Point	Humidity	Wind Speed	Pressure	Precipitation
December	° C \| ° F	° C \| ° F	%	Kph \| Mph	Hg \| Mb	Total (mm/in)
2019-12-01	3 \| 37.4	-2 \| 28.4	73	4 \| 2.49	30.0 \| 1016	2.0 \| 0.08
2019-12-02	6 \| 42.8	4 \| 39.2	90	4 \| 2.49	30.12 \| 1020	1.0 \| 0.04
2019-12-03	8 \| 46.4	6 \| 42.8	87	4 \| 2.49	30.09 \| 1019	0.1 \| 0.0
2019-12-04	9 \| 48.2	8 \| 46.4	96	5 \| 3.11	29.88 \| 1012	3.2 \| 0.13
2019-12-05	8 \| 46.4	6 \| 42.8	88	4 \| 2.49	29.94 \| 1014	0.1 \| 0.0
2019-12-06	9 \| 48.2	5 \| 41.0	81	3 \| 1.86	29.88 \| 1012	0.2 \| 0.01
2019-12-07	8 \| 46.4	7 \| 44.6	89	5 \| 3.11	29.77 \| 1008	3.9 \| 0.15
2019-12-08	8 \| 46.4	7 \| 44.6	93	2 \| 1.24	30.03 \| 1017	0.3 \| 0.01
2019-12-09	6 \| 42.8	4 \| 39.2	89	2 \| 1.24	30.21 \| 1023	0.0 \| 0.0
2019-12-10	5 \| 41.0	3 \| 37.4	88	4 \| 2.49	30.12 \| 1020	7.3 \| 0.29
2019-12-11	7 \| 44.6	5 \| 41.0	92	7 \| 4.35	29.97 \| 1015	4.4 \| 0.17
2019-12-12	7 \| 44.6	6 \| 42.8	90	18 \| 11.18	29.91 \| 1013	9.4 \| 0.37
2019-12-13	6 \| 42.8	4 \| 39.2	91	12 \| 7.46	30.06 \| 1018	1.9 \| 0.07
2019-12-14	5 \| 41.0	3 \| 37.4	94	5 \| 3.11	30.0 \| 1016	2.0 \| 0.08
2019-12-15	4 \| 39.2	2 \| 35.6	90	2 \| 1.24	30.18 \| 1022	2.1 \| 0.08
2019-12-16	4 \| 39.2	1 \| 33.8	84	3 \| 1.86	30.33 \| 1027	0.4 \| 0.02
2019-12-17	6 \| 42.8	2 \| 35.6	77	4 \| 2.49	30.15 \| 1021	0.0 \| 0.0
2019-12-18	6 \| 42.8	0 \| 32.0	73	9 \| 5.59	29.88 \| 1012	1.9 \| 0.07
2019-12-19	7 \| 44.6	6 \| 42.8	91	6 \| 3.73	29.74 \| 1007	45.5 \| 1.79
2019-12-20	10 \| 50.0	9 \| 48.2	94	12 \| 7.46	29.71 \| 1006	85.1 \| 3.35
2019-12-21	6 \| 42.8	6 \| 42.8	95	4 \| 2.49	29.77 \| 1008	38.1 \| 1.5
2019-12-22	5 \| 41.0	3 \| 37.4	89	3 \| 1.86	29.8 \| 1009	2.7 \| 0.11
2019-12-23	5 \| 41.0	3 \| 37.4	92	3 \| 1.86	29.94 \| 1014	4.6 \| 0.18
2019-12-24	3 \| 37.4	0 \| 32.0	85	4 \| 2.49	29.85 \| 1011	0.0 \| 0.0
2019-12-25	4 \| 39.2	1 \| 33.8	85	3 \| 1.86	29.97 \| 1015	0.0 \| 0.0
2019-12-26	3 \| 37.4	-1 \| 30.2	79	3 \| 1.86	30.15 \| 1021	0.0 \| 0.0
2019-12-27	4 \| 39.2	3 \| 37.4	93	6 \| 3.73	30.15 \| 1021	2.0 \| 0.08
2019-12-28	6 \| 42.8	4 \| 39.2	88	4 \| 2.49	30.21 \| 1023	0.1 \| 0.0
2019-12-29	8 \| 46.4	4 \| 39.2	80	3 \| 1.86	30.09 \| 1019	0.1 \| 0.0
2019-12-30	7 \| 44.6	5 \| 41.0	86	4 \| 2.49	30.3 \| 1026	0.9 \| 0.04
2019-12-31	8 \| 46.4	6 \| 42.8	88	15 \| 9.32	29.91 \| 1013	8.0 \| 0.31

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)
2019-12-01	3 \| 37.4	-2 \| 28.4	73	4 \| 2.49	30.0 \| 1016	2.0 \| 0.08
2019-12-02	6 \| 42.8	4 \| 39.2	90	4 \| 2.49	30.12 \| 1020	1.0 \| 0.04
2019-12-03	8 \| 46.4	6 \| 42.8	87	4 \| 2.49	30.09 \| 1019	0.1 \| 0.0
2019-12-04	9 \| 48.2	8 \| 46.4	96	5 \| 3.11	29.88 \| 1012	3.2 \| 0.13
2019-12-05	8 \| 46.4	6 \| 42.8	88	4 \| 2.49	29.94 \| 1014	0.1 \| 0.0
2019-12-06	9 \| 48.2	5 \| 41.0	81	3 \| 1.86	29.88 \| 1012	0.2 \| 0.01
2019-12-07	8 \| 46.4	7 \| 44.6	89	5 \| 3.11	29.77 \| 1008	3.9 \| 0.15
2019-12-08	8 \| 46.4	7 \| 44.6	93	2 \| 1.24	30.03 \| 1017	0.3 \| 0.01
2019-12-09	6 \| 42.8	4 \| 39.2	89	2 \| 1.24	30.21 \| 1023	0.0 \| 0.0
2019-12-10	5 \| 41.0	3 \| 37.4	88	4 \| 2.49	30.12 \| 1020	7.3 \| 0.29
2019-12-11	7 \| 44.6	5 \| 41.0	92	7 \| 4.35	29.97 \| 1015	4.4 \| 0.17
2019-12-12	7 \| 44.6	6 \| 42.8	90	18 \| 11.18	29.91 \| 1013	9.4 \| 0.37
2019-12-13	6 \| 42.8	4 \| 39.2	91	12 \| 7.46	30.06 \| 1018	1.9 \| 0.07
2019-12-14	5 \| 41.0	3 \| 37.4	94	5 \| 3.11	30.0 \| 1016	2.0 \| 0.08
2019-12-15	4 \| 39.2	2 \| 35.6	90	2 \| 1.24	30.18 \| 1022	2.1 \| 0.08
2019-12-16	4 \| 39.2	1 \| 33.8	84	3 \| 1.86	30.33 \| 1027	0.4 \| 0.02
2019-12-17	6 \| 42.8	2 \| 35.6	77	4 \| 2.49	30.15 \| 1021	0.0 \| 0.0
2019-12-18	6 \| 42.8	0 \| 32.0	73	9 \| 5.59	29.88 \| 1012	1.9 \| 0.07
2019-12-19	7 \| 44.6	6 \| 42.8	91	6 \| 3.73	29.74 \| 1007	45.5 \| 1.79
2019-12-20	10 \| 50.0	9 \| 48.2	94	12 \| 7.46	29.71 \| 1006	85.1 \| 3.35
2019-12-21	6 \| 42.8	6 \| 42.8	95	4 \| 2.49	29.77 \| 1008	38.1 \| 1.5
2019-12-22	5 \| 41.0	3 \| 37.4	89	3 \| 1.86	29.8 \| 1009	2.7 \| 0.11
2019-12-23	5 \| 41.0	3 \| 37.4	92	3 \| 1.86	29.94 \| 1014	4.6 \| 0.18
2019-12-24	3 \| 37.4	0 \| 32.0	85	4 \| 2.49	29.85 \| 1011	0.0 \| 0.0
2019-12-25	4 \| 39.2	1 \| 33.8	85	3 \| 1.86	29.97 \| 1015	0.0 \| 0.0
2019-12-26	3 \| 37.4	-1 \| 30.2	79	3 \| 1.86	30.15 \| 1021	0.0 \| 0.0
2019-12-27	4 \| 39.2	3 \| 37.4	93	6 \| 3.73	30.15 \| 1021	2.0 \| 0.08
2019-12-28	6 \| 42.8	4 \| 39.2	88	4 \| 2.49	30.21 \| 1023	0.1 \| 0.0
2019-12-29	8 \| 46.4	4 \| 39.2	80	3 \| 1.86	30.09 \| 1019	0.1 \| 0.0
2019-12-30	7 \| 44.6	5 \| 41.0	86	4 \| 2.49	30.3 \| 1026	0.9 \| 0.04
2019-12-31	8 \| 46.4	6 \| 42.8	88	15 \| 9.32	29.91 \| 1013	8.0 \| 0.31

SeaTac Weather In December 2019

December 2019 Graph

December 2019 - Daily Observations

SeaTac Historical Data