Weather History for Butte, MT

Change the Weather History Date:

Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 48 °F 29 °F 17 °F
Mean Temperature 39 °F 20 °F 5 °F
Min Temperature 30 °F 10 °F -9 °F
Degree Days  
Heating Degree Days (base 65) 60 45 26 1403
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 35 °F 13 °F -12 °F
Precipitation  
Precipitation 0.09 in 0.02 in 0.00 in 0.30 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 32 mph 4 mph 0 mph
Gust Wind 40 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.56 in 29.96 in 29.23 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Dec. 30, 2012 Rise Set
Actual Time 8:11 AM MST 4:54 PM MST
Civil Twilight 7:37 AM MST 5:28 PM MST
Nautical Twilight 6:59 AM MST 6:06 PM MST
Astronomical Twilight 6:23 AM MST 6:42 PM MST
Moon 7:38 PM MST (12/30) 9:14 AM MST (12/30)
Length of Visible Light 9h 51m
Length of Day
8h 42m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 0.30 Normal Month Total: 0.51
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
48 | 30 0.05
Average:
32 | 8 0.02
Snow
Actual:
48 | 27 0.09
Average:
31 | 8 0.02
Scattered Clouds
Actual:
37 | 23 0.00
Average:
31 | 7 0.01
Partly Cloudy
Actual:
42 | 23 0.00
Average:
31 | 7 0.02
Partly Cloudy
Actual:
46 | 28 T
Average:
30 | 7 0.02
Snow
Actual:
31 | 18 T
Average:
30 | 6 0.02
Snow
Actual:
31 | 16 0.02
Average:
30 | 6 0.01
Snow
Actual:
24 | 1 T
Average:
30 | 6 0.02
Snow
Actual:
21 | -7 T
Average:
29 | 6 0.02
Snow
Actual:
30 | 19 0.03
Average:
29 | 5 0.01
Mostly Cloudy
Actual:
37 | 23 0.00
Average:
29 | 5 0.02
Snow
Actual:
32 | 15 0.05
Average:
29 | 5 0.01
Fog
Actual:
25 | 0 0.00
Average:
29 | 5 0.02
Snow
Actual:
26 | 2 T
Average:
29 | 5 0.01
Fog
Actual:
23 | 6 0.00
Average:
29 | 5 0.02
Snow
Actual:
27 | 11 T
Average:
29 | 5 0.01
Snow
Actual:
33 | 18 T
Average:
29 | 5 0.02
Partly Cloudy
Actual:
21 | -3 0.00
Average:
29 | 4 0.02
Scattered Clouds
Actual:
21 | -9 0.00
Average:
29 | 4 0.01
Clear
Actual:
29 | 3 0.00
Average:
29 | 5 0.02
Scattered Clouds
Actual:
32 | 6 0.00
Average:
29 | 5 0.02
Partly Cloudy
Actual:
36 | 5 0.00
Average:
29 | 5 0.01
Snow
Actual:
32 | 10 T
Average:
29 | 5 0.02
Snow
Actual:
24 | 6 0.06
Average:
29 | 5 0.01
Snow
Actual:
20 | 2 T
Average:
29 | 5 0.02
Snow
Actual:
24 | 12 T
Average:
29 | 5 0.02
Snow
Actual:
27 | 16 T
Average:
30 | 5 0.01
Snow
Actual:
28 | 2 T
Average:
30 | 5 0.02
Snow
Actual:
17 | -7 T
Average:
30 | 5 0.02
Snow
Actual:
21 | 2 T
Average:
30 | 6 0.01
Mostly Cloudy
Actual:
18 | 2 0.00
Average:
30 | 6 0.02
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 48 39 30 33 30 27 96 71 45 29.84 29.78 29.69 10 9 2 20 5 30 0.05 Rain
2 48 38 27 35 29 17 89 73 56 29.83 29.49 29.23 10 8 1 32 15 40 0.09 Rain , Snow
3 37 30 23 20 19 17 81 65 48 30.25 30.08 29.84 10 10 10 20 6 25 0.00  
4 42 33 23 31 25 18 82 68 54 30.23 30.07 29.96 10 10 10 17 5 22 0.00  
5 46 37 28 34 27 20 92 72 52 30.05 29.93 29.82 10 10 10 22 7 29 T  
6 31 25 18 25 21 16 92 78 63 30.09 29.98 29.87 10 6 0 9 3 10 T Fog , Snow
7 31 24 16 23 17 13 91 69 47 30.07 29.86 29.61 10 7 0 25 6 36 0.02 Fog , Snow
8 24 13 1 21 8 -3 86 66 45 30.34 29.99 29.64 10 9 1 25 8 36 T Snow
9 21 7 -7 16 1 -10 87 66 45 30.56 30.35 29.99 10 9 2 13 4 20 T Snow
10 30 25 19 22 18 13 91 72 53 30.16 30.03 29.90 10 5 1 24 7 33 0.03 Snow
11 37 30 23 22 20 18 81 65 48 30.02 29.75 29.57 10 10 9 16 6 24 0.00  
12 32 24 15 28 24 14 92 78 63 29.94 29.65 29.54 10 5 0 12 2 14 0.05 Fog , Snow
13 25 13 0 16 5 -3 95 84 73 30.13 30.00 29.78 10 9 0 9 3 9 0.00 Fog
14 26 14 2 20 13 -1 95 82 68 29.96 29.82 29.68 10 6 0 9 2 10 T Fog , Snow
15 23 15 6 18 13 3 92 88 84 29.96 29.84 29.71 10 5 0 9 2 14 0.00 Fog
16 27 19 11 14 10 3 84 63 42 29.84 29.75 29.58 10 9 2 20 5 25 T Snow
17 33 26 18 26 18 7 84 71 57 29.71 29.50 29.37 10 8 0 22 7 29 T Fog , Snow
18 21 9 -3 7 2 -7 83 64 45 30.08 29.90 29.70 10 10 10 17 5 24 0.00  
19 21 6 -9 3 -3 -12 83 61 39 30.35 30.24 30.08 10 10 10 14 2 17 0.00  
20 29 16 3 10 4 -2 80 63 46 30.35 30.24 30.15 10 10 10 20 5 26 0.00  
21 32 19 6 14 7 1 80 60 39 30.20 30.12 29.95 10 10 9 10 1 13 0.00  
22 36 21 5 14 7 0 83 61 39 30.10 29.98 29.83 10 10 10 16 3 21 0.00  
23 32 21 10 23 14 5 88 66 43 30.06 29.90 29.76 10 9 0 18 5 29 T Fog , Snow
24 24 15 6 20 12 2 92 83 74 30.26 29.93 29.70 10 6 0 9 3 12 0.06 Fog , Snow
25 20 11 2 11 6 2 96 82 67 30.32 30.16 29.96 10 8 5 6 1 8 T Snow
26 24 18 12 16 13 9 92 80 68 29.95 29.84 29.69 10 7 1 7 1 9 T Snow
27 27 22 16 18 16 14 84 76 68 30.07 29.94 29.72 10 8 3 8 3 10 T Snow
28 28 15 2 18 11 -1 92 71 50 30.28 30.12 29.92 10 8 2 13 4 16 T Snow
29 17 5 -7 11 4 -11 91 79 67 30.38 30.17 29.92 10 7 2 7 2 7 T Snow
30 21 12 2 11 4 -1 91 77 62 30.31 30.13 29.94 10 6 2 8 2 10 T Snow
31 18 10 2 10 7 1 88 78 67 30.38 30.28 30.03 10 10 9 9 3 12 0.00