SeaTac Weather In December 2015

Historical Data for December 2015 in SeaTac, United States

Temperature	Max	Average	Min
Max Temperature	13.0°C (55.4°F)	6.48°C (43.66°F)	3.0°C (37.4°F)
Avg Temperature	12.0°C (53.6°F)	5.0°C (41.0°F)	2.0°C (35.6°F)
Min Temperature	10.0°C (50.0°F)	3.35°C (38.03°F)	-1.0°C (30.2°F)
Dew Point	Max	Average	Min
Dew Point	11.0°C (51.8°F)	3.26°C (37.87°F)	-4.0°C (24.8°F)
Precipitation	Max	Average	Min	Sum
Precipitation	42.6mm \| 1.68in	9.01mm \| 0.35in	0.0mm \| 0in	279.3mm \| 11.0in
Snowdepth	6.2mm \| 0.24in	0.2mm \| 0.01in	0.0mm \| 0in	6.2mm \| 0.24in
Wind	Max	Average	Min
Wind	22.0kmh \| 13.67mph	9.84kmh \| 6.11mph	3.0kmh \| 1.86mph
Gust Wind	32.0kmh \| 19.88mph	15.55kmh \| 9.66mph	5.0kmh \| 3.11mph
Sea Level Pressure	Max	Average	Min
Sea Level Pressure	42.6mb	9.01mb	0.0mb

December 2015 Graph

December 2015 - Daily Observations

Time	Temperature	Dew Point	Humidity	Wind Speed	Pressure	Precipitation
December	° C \| ° F	° C \| ° F	%	Kph \| Mph	Hg \| Mb	Total (mm/in)
2015-12-01	6 \| 42.8	3 \| 37.4	84	7 \| 4.35	30.18 \| 1022	1.4 \| 0.06
2015-12-02	7 \| 44.6	5 \| 41.0	87	8 \| 4.97	30.03 \| 1017	8.3 \| 0.33
2015-12-03	7 \| 44.6	6 \| 42.8	94	11 \| 6.84	29.68 \| 1005	22.3 \| 0.88
2015-12-04	7 \| 44.6	6 \| 42.8	92	13 \| 8.08	29.97 \| 1015	1.8 \| 0.07
2015-12-05	6 \| 42.8	5 \| 41.0	91	6 \| 3.73	29.97 \| 1015	26.0 \| 1.02
2015-12-06	9 \| 48.2	7 \| 44.6	92	14 \| 8.7	29.85 \| 1011	15.3 \| 0.6
2015-12-07	8 \| 46.4	8 \| 46.4	95	10 \| 6.21	29.77 \| 1008	10.5 \| 0.41
2015-12-08	12 \| 53.6	11 \| 51.8	97	17 \| 10.56	29.68 \| 1005	42.6 \| 1.68
2015-12-09	8 \| 46.4	7 \| 44.6	89	18 \| 11.18	29.68 \| 1005	13.6 \| 0.54
2015-12-10	8 \| 46.4	5 \| 41.0	89	17 \| 10.56	29.32 \| 993	7.1 \| 0.28
2015-12-11	6 \| 42.8	4 \| 39.2	89	6 \| 3.73	29.62 \| 1003	1.3 \| 0.05
2015-12-12	6 \| 42.8	5 \| 41.0	92	15 \| 9.32	29.65 \| 1004	9.6 \| 0.38
2015-12-13	6 \| 42.8	5 \| 41.0	91	18 \| 11.18	29.59 \| 1002	5.9 \| 0.23
2015-12-14	4 \| 39.2	3 \| 37.4	93	4 \| 2.49	30.12 \| 1020	14.8 \| 0.58
2015-12-15	4 \| 39.2	2 \| 35.6	93	7 \| 4.35	30.27 \| 1025	0.2 \| 0.01
2015-12-16	3 \| 37.4	2 \| 35.6	90	5 \| 3.11	30.21 \| 1023	5.8 \| 0.23
2015-12-17	3 \| 37.4	2 \| 35.6	91	8 \| 4.97	29.88 \| 1012	13.0 \| 0.51
2015-12-18	4 \| 39.2	2 \| 35.6	90	8 \| 4.97	29.97 \| 1015	0.9 \| 0.04
2015-12-19	3 \| 37.4	1 \| 33.8	89	8 \| 4.97	30.0 \| 1016	1.1 \| 0.04
2015-12-20	4 \| 39.2	2 \| 35.6	91	11 \| 6.84	29.85 \| 1011	0.2 \| 0.01
2015-12-21	4 \| 39.2	3 \| 37.4	94	11 \| 6.84	29.41 \| 996	34.4 \| 1.35
2015-12-22	4 \| 39.2	3 \| 37.4	93	11 \| 6.84	29.5 \| 999	4.6 \| 0.18
2015-12-23	4 \| 39.2	3 \| 37.4	90	22 \| 13.67	29.53 \| 1000	3.8 \| 0.15
2015-12-24	3 \| 37.4	2 \| 35.6	92	12 \| 7.46	29.71 \| 1006	7.5 \| 0.3
2015-12-25	2 \| 35.6	1 \| 33.8	95	4 \| 2.49	30.24 \| 1024	7.6 \| 0.3
2015-12-26	3 \| 37.4	-0 \| 32.0	85	5 \| 3.11	30.47 \| 1032	0.0 \| 0.0
2015-12-27	3 \| 37.4	1 \| 33.8	87	3 \| 1.86	30.12 \| 1020	16.8 \| 0.66
2015-12-28	4 \| 39.2	3 \| 37.4	94	7 \| 4.35	30.09 \| 1019	2.9 \| 0.11
2015-12-29	3 \| 37.4	1 \| 33.8	89	5 \| 3.11	30.18 \| 1022	0.0 \| 0.0
2015-12-30	2 \| 35.6	-3 \| 26.6	76	7 \| 4.35	30.45 \| 1031	0.0 \| 0.0
2015-12-31	2 \| 35.6	-4 \| 24.8	67	7 \| 4.35	30.59 \| 1036	0.0 \| 0.0

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)
2015-12-01	6 \| 42.8	3 \| 37.4	84	7 \| 4.35	30.18 \| 1022	1.4 \| 0.06
2015-12-02	7 \| 44.6	5 \| 41.0	87	8 \| 4.97	30.03 \| 1017	8.3 \| 0.33
2015-12-03	7 \| 44.6	6 \| 42.8	94	11 \| 6.84	29.68 \| 1005	22.3 \| 0.88
2015-12-04	7 \| 44.6	6 \| 42.8	92	13 \| 8.08	29.97 \| 1015	1.8 \| 0.07
2015-12-05	6 \| 42.8	5 \| 41.0	91	6 \| 3.73	29.97 \| 1015	26.0 \| 1.02
2015-12-06	9 \| 48.2	7 \| 44.6	92	14 \| 8.7	29.85 \| 1011	15.3 \| 0.6
2015-12-07	8 \| 46.4	8 \| 46.4	95	10 \| 6.21	29.77 \| 1008	10.5 \| 0.41
2015-12-08	12 \| 53.6	11 \| 51.8	97	17 \| 10.56	29.68 \| 1005	42.6 \| 1.68
2015-12-09	8 \| 46.4	7 \| 44.6	89	18 \| 11.18	29.68 \| 1005	13.6 \| 0.54
2015-12-10	8 \| 46.4	5 \| 41.0	89	17 \| 10.56	29.32 \| 993	7.1 \| 0.28
2015-12-11	6 \| 42.8	4 \| 39.2	89	6 \| 3.73	29.62 \| 1003	1.3 \| 0.05
2015-12-12	6 \| 42.8	5 \| 41.0	92	15 \| 9.32	29.65 \| 1004	9.6 \| 0.38
2015-12-13	6 \| 42.8	5 \| 41.0	91	18 \| 11.18	29.59 \| 1002	5.9 \| 0.23
2015-12-14	4 \| 39.2	3 \| 37.4	93	4 \| 2.49	30.12 \| 1020	14.8 \| 0.58
2015-12-15	4 \| 39.2	2 \| 35.6	93	7 \| 4.35	30.27 \| 1025	0.2 \| 0.01
2015-12-16	3 \| 37.4	2 \| 35.6	90	5 \| 3.11	30.21 \| 1023	5.8 \| 0.23
2015-12-17	3 \| 37.4	2 \| 35.6	91	8 \| 4.97	29.88 \| 1012	13.0 \| 0.51
2015-12-18	4 \| 39.2	2 \| 35.6	90	8 \| 4.97	29.97 \| 1015	0.9 \| 0.04
2015-12-19	3 \| 37.4	1 \| 33.8	89	8 \| 4.97	30.0 \| 1016	1.1 \| 0.04
2015-12-20	4 \| 39.2	2 \| 35.6	91	11 \| 6.84	29.85 \| 1011	0.2 \| 0.01
2015-12-21	4 \| 39.2	3 \| 37.4	94	11 \| 6.84	29.41 \| 996	34.4 \| 1.35
2015-12-22	4 \| 39.2	3 \| 37.4	93	11 \| 6.84	29.5 \| 999	4.6 \| 0.18
2015-12-23	4 \| 39.2	3 \| 37.4	90	22 \| 13.67	29.53 \| 1000	3.8 \| 0.15
2015-12-24	3 \| 37.4	2 \| 35.6	92	12 \| 7.46	29.71 \| 1006	7.5 \| 0.3
2015-12-25	2 \| 35.6	1 \| 33.8	95	4 \| 2.49	30.24 \| 1024	7.6 \| 0.3
2015-12-26	3 \| 37.4	-0 \| 32.0	85	5 \| 3.11	30.47 \| 1032	0.0 \| 0.0
2015-12-27	3 \| 37.4	1 \| 33.8	87	3 \| 1.86	30.12 \| 1020	16.8 \| 0.66
2015-12-28	4 \| 39.2	3 \| 37.4	94	7 \| 4.35	30.09 \| 1019	2.9 \| 0.11
2015-12-29	3 \| 37.4	1 \| 33.8	89	5 \| 3.11	30.18 \| 1022	0.0 \| 0.0
2015-12-30	2 \| 35.6	-3 \| 26.6	76	7 \| 4.35	30.45 \| 1031	0.0 \| 0.0
2015-12-31	2 \| 35.6	-4 \| 24.8	67	7 \| 4.35	30.59 \| 1036	0.0 \| 0.0

SeaTac Weather In December 2015

December 2015 Graph

December 2015 - Daily Observations

SeaTac Historical Data