Weather in Spearfish: January
 |
Average day temperature: | 32.4°F |
| Average night temperature: | 23.5°F | |
 |
Number of sunny days: | 14 days |
| Day length: | 8.9 - 9.8 hours | |
 |
Number of rainy days: | 0 days |
| Precipitation totals: | 0.1 in. | |
| more information | ||
14 days
forecast
forecast
| Spearfish |
weather in
February
February
| Spearfish |
Air temperature in January, °F
Show year:
2026
2025
2024
The highest day temperature during January of 2026 was 59°F. At the same time the lowest night temperature was -5°F. Daily and nightly averages during January were 37.4°F and 29.2°F.
Sunny, partly cloudy and cloudy days
Mostly all days in January are sunny but cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in Spearfish in January is 0.1 in. Other months of the year show relatively similar values.
Wind speed in January, mph
The average wind speed value in January is 9.2 mph
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 January is: 5.9.
Best time for vacation in Spearfish
Spearfish on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Spearfish
Local time: 14:04
June 08, monday
1500
77°F
W
9 mph
9 mph
1800
79°F
W
13 mph
13 mph
2100
72°F
NW
12 mph
12 mph
June 09, tuesday
0000
63°F
N
6 mph
6 mph
0300
64°F
N
11 mph
11 mph
0600
66°F
N
8 mph
8 mph
0900
81°F
NE
11 mph
11 mph
1200
86°F
NE
19 mph
19 mph
