Weather in Spearfish: April
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Average day temperature: | 50.7°F |
| Average night temperature: | 36.3°F | |
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Number of sunny days: | 13 days |
| Day length: | 12.8 - 14.2 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.8 in. | |
| more information | ||
14 days
forecast
forecast
| Spearfish |
weather in
May
May
| Spearfish |
Air temperature in April, °F
Show year:
2026
2025
2024
The highest day temperature during April of 2026 was 86°F. At the same time the lowest night temperature was 28°F. Daily and nightly averages during April were 55.0°F and 39.5°F.
Sunny, partly cloudy and cloudy days
Mostly all days in April are sunny but cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in Spearfish in April is 0.8 in. Other months of the year show relatively similar values.
Wind speed in April, mph
The average wind speed value in April is 10.4 mph It makes April most windy month of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 8.4.
Best time for vacation in Spearfish
Spearfish on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Spearfish
Local time: 06:14
April 29, wednesday
0900
45°F
SE
7 mph
7 mph
1200
50°F
SE
13 mph
13 mph
1500
55°F
SE
16 mph
16 mph
1800
52°F
SE
17 mph
17 mph
2100
39°F
E
6 mph
6 mph
April 30, thursday
0000
36°F
NE
6 mph
6 mph
0300
34°F
NE
6 mph
6 mph
0600
36°F
NE
6 mph
6 mph
