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Weather Averages for
Johnstown, PA
Latitude: 40°20'N,
Longitude: 78°55'W,
Elevation: 370.0 m,
Distance: 0.21 km
Average temperature
over 30 years |
°C |
10 |
-2 |
-1 |
4 |
10 |
15 |
20 |
22 |
21 |
18 |
11 |
6 |
0 |
Average high temperature
over 30 years |
°C |
16 |
2 |
3 |
10 |
16 |
22 |
27 |
29 |
28 |
24 |
18 |
11 |
4 |
Average low temperature
over 30 years |
°C |
4 |
-7 |
-6 |
-1 |
3 |
9 |
13 |
15 |
14 |
11 |
5 |
1 |
-4 |
Highest recorded temperature
over 68 years |
°C |
40 |
26 |
25 |
30 |
35 |
35 |
37 |
40 |
38 |
40 |
34 |
28 |
24 |
Lowest recorded temperature
over 68 years |
°C |
-28 |
-28 |
-25 |
-18 |
-10 |
-3 |
0 |
3 |
1 |
-3 |
-7 |
-17 |
-26 |
Average number of days above 27°C
over 30 years |
days |
24 |
- |
- |
- |
0.2 |
1.3 |
5 |
9.1 |
6.2 |
2.2 |
0.1 |
- |
- |
Average precipitation
over 30 years |
cm |
118.9 |
9.4 |
9.1 |
9.9 |
9.4 |
10.9 |
11.4 |
13.0 |
10.7 |
9.7 |
8.1 |
9.7 |
8.9 |
Average number of days below -1.5°C
over 30 years |
days |
119 |
25 |
23 |
20 |
7.5 |
0.8 |
- |
- |
- |
0.3 |
4.6 |
14 |
24 |
Average number of days below -17.5°C
over 30 years |
days |
2.9 |
1.4 |
0.9 |
0.1 |
- |
- |
- |
- |
- |
- |
- |
- |
0.5 |
Average snowfall
over 30 years |
cm |
97.5 |
32.8 |
28.2 |
17.5 |
1.3 |
- |
- |
- |
- |
- |
0.3 |
5.8 |
20.1 |
Most rain reported in a day
over 68 years |
cm |
22.4 |
7.9 |
5.3 |
6.3 |
8.4 |
7.6 |
7.1 |
22.4 |
8.1 |
6.3 |
9.4 |
6.9 |
5.3 |
Most rain reported in a month
over 68 years |
cm |
153.9 |
24.6 |
19.3 |
21.3 |
20.1 |
23.9 |
23.9 |
35.6 |
25.7 |
22.9 |
20.8 |
25.9 |
17.3 |
Least rain reported in a month
over 68 years |
cm |
82.3 |
1.8 |
1.8 |
3.0 |
2.3 |
2.3 |
1.8 |
2.0 |
2.8 |
2.3 |
1.0 |
2.3 |
1.0 |
Heating degree days
over 30 years |
days |
5719 |
1151 |
974 |
783 |
436 |
186 |
39 |
5 |
13 |
99 |
380 |
642 |
1011 |
Cooling degree days
over 30 years |
days |
772 |
- |
- |
- |
9 |
50 |
154 |
253 |
208 |
91 |
7 |
- |
- |
Most snow reported in a month
over 68 years |
cm |
307.6 |
83.8 |
106.9 |
72.6 |
18.3 |
2.0 |
- |
- |
- |
- |
10.7 |
61.0 |
133.1 |
Check weather averages for nearby locations (some locations might offer more data):
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