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Weather Averages for
Black Diamond, WA
Latitude: 47°23'N,
Longitude: 121°58'W,
Elevation: 164.6 m,
Distance: 2.75 km
Average temperature
over 68 years |
°C |
9 |
2 |
4 |
6 |
8 |
11 |
14 |
16 |
16 |
13 |
9 |
5 |
3 |
Average high temperature
over 68 years |
°C |
15 |
6 |
9 |
11 |
14 |
18 |
20 |
24 |
23 |
21 |
15 |
9 |
6 |
Average low temperature
over 68 years |
°C |
4 |
0 |
0 |
1 |
2 |
5 |
8 |
9 |
9 |
7 |
4 |
1 |
0 |
Average precipitation
over 68 years |
cm |
144.0 |
18.5 |
14.7 |
14.2 |
11.2 |
8.6 |
7.9 |
3.8 |
4.3 |
7.9 |
13.5 |
19.3 |
20.1 |
Average snowfall
over 68 years |
cm |
26.2 |
10.2 |
4.1 |
2.8 |
0.3 |
- |
- |
- |
- |
- |
- |
3.3 |
5.6 |
Average snow cover
over 68 years |
cm |
- |
2.5 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Heating degree days
over 30 years |
days |
5854 |
859 |
680 |
676 |
543 |
384 |
210 |
109 |
128 |
241 |
481 |
684 |
859 |
Cooling degree days
over 30 years |
days |
88 |
- |
- |
- |
- |
- |
9 |
28 |
44 |
7 |
- |
- |
- |
Check weather averages for nearby locations (some locations might offer more data):
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