Weather in Spearfish: January
 |
Average day temperature: | 31.5°F |
| Average night temperature: | 22.5°F | |
 |
Number of sunny days: | 13 days |
| Day length: | 8.9 - 9.8 hours | |
 |
Number of rainy days: | 0 days |
| Precipitation totals: | 0.2 in. | |
| more information | ||
14 days
forecast
forecast
| Spearfish |
weather in
February
February
| Spearfish |
Air temperature in January, °F
Show year:
2025
2024
2023
The highest day temperature during January of 2025 was 45°F. At the same time the lowest night temperature was -10°F. Daily and nightly averages during January were 26.3°F and 18.4°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 0.2 in. Other months of the year show relatively similar values.
Wind speed in January, mph
The average wind speed value in January is 8.9 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: 5.5.
Best time for vacation in Spearfish
Spearfish on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Spearfish
Local time: 20:37
January 12, monday
2100
55°F
E
22 mph
22 mph
January 13, tuesday
0000
54°F
E
22 mph
22 mph
0300
52°F
E
17 mph
17 mph
0600
52°F
E
15 mph
15 mph
0900
43°F
SE
12 mph
12 mph
1200
39°F
SE
12 mph
12 mph
1500
41°F
SE
16 mph
16 mph
1800
37°F
SE
17 mph
17 mph
