World Resorts USA Spearfish Weather

Spearfish weather in December

Weather in Spearfish: December

Average day temperature: 35.3°F
Average night temperature: 27.0°F
Number of sunny days: 14 days
Day length: 8.8 - 9.1 hours
Number of rainy days: 0 days
Precipitation totals: 0.3 in.

Air temperature in December, °F

Show year:
2024
2023
2022

The highest day temperature during December of 2024 was 56°F. At the same time the lowest night temperature was 14°F. Daily and nightly averages during December were 39.1°F and 30.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are sunny but cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in Spearfish in December is 0.3 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 9.1 mph It makes December one of the most windy months 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 December is: 5.5.

Best time for vacation in Spearfish

Sunniest months:
September 23 days
August 22 days
July 20 days
Warmest months:
July 83.3 °F
August 82.1 °F
September 75.8 °F
Coldest months:
February 31.5 °F
January 31.5 °F
December 35.3 °F
Rainiest months:
May 3 days
July 1 day
August 1 day
Windiest months:
April 10.6 mph
May 9.5 mph
March 9.4 mph

Spearfish on a weather map

Spearfish
+34°F
NE 7 mph
Feels like: +25°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Spearfish
Local time: 21:44
December 05, friday
0000
34°F
E
11 mph
0300
34°F
E
11 mph
0600
34°F
E
12 mph
0900
30°F
E
9 mph
1200
34°F
SE
15 mph
1500
32°F
SE
13 mph
1800
30°F
SE
6 mph
2100
27°F
N
7 mph
Units of measurement: °C / °F