Monthly Climate Summary
The following temperature and precipitation data was recorded at Seattle-Tacoma Airport:
|
Month |
Average
Maximum Temperature (F)
|
Average
Minimum Temperature (F)
|
Average
Total Precipitation (in.) |
| January |
44.6
|
34.7
|
5.70
|
| February |
49.0
|
36.7
|
4.21
|
| March |
52.2
|
38.0
|
3.75
|
| April |
57.5
|
41.2
|
2.51
|
| May |
64.1
|
46.4
|
1.69
|
| June |
69.4
|
51.3
|
1.44
|
| July |
75.0
|
54.5
|
0.78
|
| August |
74.7
|
54.8
|
1.09
|
| September |
69.4
|
51.3
|
1.78
|
| October |
59.4
|
45.3
|
3.47
|
| November |
50.4
|
39.5
|
6.00
|
| December |
45.4
|
35.8
|
5.85
|
|
Annual
|
59.3
|
44.1
|
38.27
|
Period
of Record : 7/23/1931 to 7/31/2000
Source: Western
Regional Climate Center
