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Seattle Monthly Averages and Records
| Month |
Avg.
High |
Avg.
Low |
Avg.
Precip. |
Avg.
Rain/Snow
Days |
Avg.
Snowfall |
Rec.
High |
Rec.
Low |
| January |
46° F |
36° F |
5.13 in |
18 |
5 in |
64° F (01/20/1981) |
0° F (01/31/1950) |
| February |
50° F |
37° F |
4.18 in |
16 |
2 in |
70° F( 02/27/1968) |
1° F (02/01/1950) |
| March |
53° F |
39° F |
3.75 in |
17 |
1 in |
75° F (03/31/1987) |
11° F (03/04/1955)
|
| April |
58° F |
42° F |
2.59 in |
14 |
trace |
85° F (04/30/1976) |
29° F (04/05/1975) |
| May |
64° F |
47° F |
1.78 in |
10 |
trace |
93° F (05/21/1963) |
28° F (05/01/1954) |
| June |
70° F |
52° F |
1.49 in |
9 |
0 in |
96° F( 06/30/1995) |
38° F (06/12/1952) |
| July |
75° F |
55° F |
0.79 in |
5 |
0 in |
100° F (07/20/1994) |
43° F (07/02/1954) |
| August |
76° F |
56° F |
1.02 in |
6 |
0 in |
99° F (08/09/1960) |
44° F (08/14/1955) |
| September |
70° F |
52° F |
1.63 in |
9 |
0 in |
98° F (09/02/1988) |
35° F (09/27/1972) |
| October |
60° F |
46° F |
3.19 in |
13 |
trace |
89° F (10/01/1987) |
28° F (10/19/1949) |
| November |
51° F |
40° F |
5.90 in |
18 |
1 in |
74° F (11/04/1949) |
6° F (11/15/1955) |
| December |
46° F |
36° F |
5.62 in |
19 |
3 in |
64° F (12/10/1993) |
6° F (12/30/1968) |
- The average temperature in July 2004 was 67.9 F. This was 3.0 F warmer than the 1944-2004 average, the 5th warmest July on record (1944-2004).
- 0.18 inches of precipitation fell in July 2004. This was -0.57 inches less than the 1944-2004 average, the 9th driest such month on record (1944-2004).
| Annual Precipitation |
| City/State |
Precipitation
(In Inches) |
| Atlanta, GA |
48.6 |
| Vancouver, B.C. |
46.0 |
| Houston, TX |
44.8 |
| New York, NY |
44.1 |
| Boston, MA |
43.8 |
| Washington D.C. |
39.0 |
| SEATTLE, WA |
38.6 |
| Chicago, IL |
33.3 |
| Los Angeles, CA |
12.1 |
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