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| {{Weather box | {{Weather box | ||
| |collapsed = Y | |||
| |location = Seattle (]) | |location = Seattle (]) | ||
| |single line = Y | |single line = Y | ||
Revision as of 04:26, 28 December 2010
| Climate data for Seattle (SeaTac Airport) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °F (°C) | 45.8 (7.7) |
49.5 (9.7) |
53.2 (11.8) |
58.2 (14.6) |
64.4 (18.0) |
69.6 (20.9) |
75.3 (24.1) |
75.6 (24.2) |
70.2 (21.2) |
59.7 (15.4) |
50.5 (10.3) |
45.5 (7.5) |
59.8 (15.4) |
| Mean daily minimum °F (°C) | 35.9 (2.2) |
37.2 (2.9) |
39.1 (3.9) |
42.1 (5.6) |
47.2 (8.4) |
51.7 (10.9) |
55.3 (12.9) |
55.7 (13.2) |
51.9 (11.1) |
45.7 (7.6) |
39.9 (4.4) |
35.9 (2.2) |
44.8 (7.1) |
| Average precipitation inches (mm) | 5.13 (130) |
4.18 (106) |
3.75 (95) |
2.59 (66) |
1.78 (45) |
1.49 (38) |
0.79 (20) |
1.02 (26) |
1.63 (41) |
3.19 (81) |
5.90 (150) |
5.62 (143) |
37.07 (942) |
| Average snowfall inches (cm) | 2.1 (5.3) |
1.3 (3.3) |
0.6 (1.5) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
1.1 (2.8) |
1.9 (4.8) |
7.1 (18) |
| Average precipitation days (≥ 0.01 in) | 17.8 | 15.7 | 16.4 | 13.6 | 11.6 | 8.5 | 5.3 | 5.5 | 8.3 | 11.7 | 17.9 | 17.8 | 150.1 |
| Average snowy days (≥ 0.1 in) | 1.8 | 0.9 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.6 | 1.6 | 5.3 |
| Mean monthly sunshine hours | 71.3 | 110.2 | 179.8 | 207.0 | 254.2 | 267.0 | 313.1 | 282.1 | 222.0 | 142.6 | 72.0 | 52.7 | 2,174 |
| Source 1: NOAA | |||||||||||||
| Source 2: HKO | |||||||||||||
References
These references will appear in the article, but this list appears only on this page.- "NOW Data-NOAA Online Weather Data". National Oceanic and Atmospheric Administration. 2009. Retrieved 04/8/2009.
{{cite web}}: Check date values in:|accessdate=(help) - "Climatological Normals of Seattle". Hong Kong Observatory. Retrieved 2010-05-11.