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
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
-21
-10
1
12
23
34
45
56
| Day temperature | Night temperature |
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
| Sunny days | |
| Partly cloudy days | |
| Cloudy days |
41%
34%
25%
Mostly all days in January are sunny but cloudy days are also possible.
Precipitation total in January, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.2
0.4
0.7
0.9
1.1
1.3
1.5
1.7
1.3
1.0
1.3
1.0
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
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.8
3.6
5.5
7.3
9.1
10.9
12.8
9.1
9.1
8.8
8.2
8.0
7.8
8.5
9.1
10.6
9.4
8.9
9.1
9.1
8.8
8.2
8.0
7.8
8.5
9.1
10.6
9.4
8.9
8.9
The average wind speed value in January is 8.9 mph
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.0
4.0
5.9
7.9
9.9
11.9
13.8
5.5
6.6
8.1
10.4
11.1
11.5
10.8
8.7
7.9
6.9
6.0
5.5
6.6
8.1
10.4
11.1
11.5
10.8
8.7
7.9
6.9
6.0
5.5
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
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Spearfish
Local time: 06:52
April 14, monday
0900
39°F
E
16 mph
16 mph
1200
43°F
SE
21 mph
21 mph
1500
48°F
SE
21 mph
21 mph
1800
50°F
SE
17 mph
17 mph
2100
41°F
SE
6 mph
6 mph
April 15, tuesday
0000
36°F
NE
6 mph
6 mph
0300
30°F
N
6 mph
6 mph
0600
28°F
N
4 mph
4 mph
