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Weather Averages for
Castle Rock, WA
Latitude: 46°10'N,
Longitude: 122°55'W,
Elevation: 3.0 m,
Distance: 5.58 km
Average temperature
over 68 years |
°C |
10 |
3 |
5 |
7 |
9 |
12 |
15 |
17 |
17 |
15 |
11 |
6 |
4 |
Average high temperature
over 68 years |
°C |
16 |
7 |
10 |
12 |
15 |
19 |
22 |
25 |
25 |
22 |
17 |
11 |
7 |
Average low temperature
over 68 years |
°C |
5 |
0 |
1 |
2 |
3 |
6 |
8 |
10 |
10 |
9 |
6 |
3 |
1 |
Average precipitation
over 68 years |
cm |
117.1 |
15.7 |
12.4 |
11.7 |
8.4 |
6.3 |
5.3 |
2.3 |
3.3 |
5.3 |
10.7 |
17.0 |
18.8 |
Average snowfall
over 68 years |
cm |
13.7 |
7.9 |
2.5 |
1.3 |
- |
- |
- |
- |
- |
- |
- |
0.5 |
1.8 |
Average snow cover
over 68 years |
cm |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Heating degree days
over 30 years |
days |
5094 |
806 |
633 |
605 |
480 |
326 |
167 |
72 |
82 |
155 |
381 |
603 |
784 |
Cooling degree days
over 30 years |
days |
132 |
- |
- |
- |
- |
- |
11 |
35 |
66 |
20 |
- |
- |
- |
Check weather averages for nearby locations (some locations might offer more data):
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