Weather History for Dillon, MT

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 65 °F 48 °F
Mean Temperature 68 °F 52 °F 34 °F
Min Temperature 49 °F 39 °F 18 °F
Degree Days  
Heating Degree Days (base 65) 31 13 0 396
Cooling Degree Days (base 65) 3 0 0 3
Growing Degree Days (base 50) 18 3 0 102
Dew Point  
Dew Point 45 °F 32 °F -2 °F
Precipitation  
Precipitation 0.70 in 0.08 in 0.00 in 2.38 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 43 mph 8 mph 0 mph
Gust Wind 55 mph 26 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.68 in 29.98 in 29.55 in

Monthly Weather History Graph

Monthly Weather History Graph

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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

May. 31, 2013 Rise Set
Actual Time 5:46 AM MDT 9:10 PM MDT
Civil Twilight 5:09 AM MDT 9:46 PM MDT
Nautical Twilight 4:21 AM MDT 10:34 PM MDT
Astronomical Twilight 3:21 AM MDT 11:36 PM MDT
Moon 1:33 AM MDT (5/31) 1:20 PM MDT (5/31)
Length of Visible Light 16h 37m
Length of Day
15h 24m
Waning Gibbous, 51% of the Moon is Illuminated
May 31
Waning Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

Weather History Calendar

Precipitation Actual month total 2.38 Normal Month Total: 1.95
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
48 | 20 0.00
Average:
60 | 33 0.04
Clear
Actual:
64 | 18 0.00
Average:
60 | 33 0.04
Rain
Actual:
61 | 40 0.02
Average:
61 | 33 0.05
Rain
Actual:
56 | 38 0.01
Average:
61 | 34 0.04
Scattered Clouds
Actual:
66 | 32 0.00
Average:
61 | 34 0.04
Thunderstorm
Actual:
72 | 35 0.00
Average:
61 | 34 0.05
Scattered Clouds
Actual:
76 | 40 0.00
Average:
62 | 35 0.04
Scattered Clouds
Actual:
74 | 43 0.00
Average:
62 | 35 0.06
Rain
Actual:
74 | 38 0.02
Average:
62 | 35 0.05
Scattered Clouds
Actual:
75 | 38 0.00
Average:
63 | 35 0.05
Scattered Clouds
Actual:
77 | 41 0.00
Average:
63 | 36 0.05
Clear
Actual:
82 | 46 0.00
Average:
63 | 36 0.06
Clear
Actual:
87 | 49 0.00
Average:
63 | 36 0.05
Clear
Actual:
80 | 46 0.00
Average:
64 | 37 0.06
Scattered Clouds
Actual:
73 | 42 0.00
Average:
64 | 37 0.07
Rain
Actual:
67 | 44 0.12
Average:
64 | 37 0.06
Rain
Actual:
51 | 44 0.70
Average:
64 | 37 0.07
Rain
Actual:
58 | 44 0.05
Average:
64 | 38 0.07
Rain
Actual:
55 | 44 0.06
Average:
65 | 38 0.07
Rain
Actual:
48 | 45 0.04
Average:
65 | 38 0.07
Clear
Actual:
72 | 37 T
Average:
65 | 38 0.08
Rain
Actual:
66 | 35 0.29
Average:
65 | 39 0.07
Thunderstorm
Actual:
51 | 35 0.32
Average:
66 | 39 0.07
Snow
Actual:
62 | 34 0.07
Average:
66 | 39 0.08
Scattered Clouds
Actual:
65 | 36 0.00
Average:
66 | 39 0.08
Scattered Clouds
Actual:
64 | 35 0.00
Average:
66 | 40 0.07
Partly Cloudy
Actual:
63 | 39 0.02
Average:
66 | 40 0.08
Rain
Actual:
60 | 45 0.13
Average:
67 | 40 0.08
Thunderstorm
Actual:
64 | 41 0.52
Average:
67 | 40 0.08
Partly Cloudy
Actual:
56 | 39 0.01
Average:
67 | 40 0.09
Scattered Clouds
Actual:
61 | 36 0.00
Average:
67 | 41 0.08
 

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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 48 34 20 21 12 5 81 49 17 30.63 30.47 30.27 10 10 10 13 4 17 0.00  
2 64 41 18 12 6 -2 62 35 8 30.68 30.48 30.25 10 10 10 21 8 24 0.00  
3 61 51 40 38 22 10 79 49 19 30.22 30.14 30.06 10 10 9 22 9 28 0.02 Rain
4 56 47 38 36 33 30 85 62 38 30.21 30.15 30.08 10 10 10 30 16 36 0.01 Rain
5 66 49 32 33 29 25 82 53 24 30.12 30.01 29.90 10 10 9 17 7 23 0.00  
6 72 54 35 33 28 24 70 45 19 29.97 29.88 29.78 10 10 7 35 6 44 0.00 Thunderstorm
7 76 58 40 32 28 23 62 38 14 29.95 29.84 29.75 10 10 4 30 11 37 0.00  
8 74 59 43 35 30 20 62 38 14 30.14 29.99 29.93 10 10 8 16 7 28 0.00  
9 74 56 38 42 31 26 59 40 20 30.20 30.08 30.03 10 9 2 36 8 46 0.02 Rain
10 75 57 38 37 31 22 76 46 15 30.23 30.19 30.11 10 10 10 18 8 25 0.00  
11 77 59 41 34 29 25 62 39 15 30.26 30.19 30.09 10 10 6 25 7 38 0.00  
12 82 64 46 35 33 29 60 38 15 30.11 30.02 29.90 10 9 2 28 11 32 0.00  
13 87 68 49 36 29 24 46 29 11 29.95 29.84 29.69 10 9 2 43 17 55 0.00  
14 80 63 46 39 28 14 71 40 8 30.00 29.83 29.72 10 10 8 30 12 43 0.00  
15 73 58 42 33 26 19 46 30 14 29.99 29.87 29.73 10 10 10 22 6 36 0.00  
16 67 56 44 45 39 32 86 60 34 29.92 29.81 29.71 10 9 2 37 5 45 0.12 Rain
17 51 48 44 45 44 42 93 85 77 29.90 29.85 29.79 10 7 1 15 6 17 0.70 Rain
18 58 51 44 43 41 36 92 70 47 30.04 29.93 29.86 10 10 6 20 4 23 0.05 Rain
19 55 50 44 43 40 37 92 73 54 30.14 30.06 29.98 10 10 5 18 5 22 0.06 Rain
20 48 46 45 43 42 41 93 84 74 30.20 30.16 30.12 10 10 10 6 3 - 0.04 Rain
21 72 55 37 - - - - - - - - - - - - 38 7 47 T  
22 66 51 35 41 34 25 92 58 24 29.92 29.71 29.55 10 9 5 33 13 40 0.29 Rain
23 51 43 35 40 36 33 92 74 56 29.95 29.88 29.81 10 9 2 21 7 25 0.32 Rain , Thunderstorm
24 62 48 34 36 31 26 92 61 29 30.02 29.92 29.83 10 10 3 25 10 36 0.07 Rain , Snow
25 65 51 36 39 35 30 82 58 34 29.95 29.90 29.83 10 10 10 17 5 20 0.00  
26 64 50 35 42 38 33 92 66 39 29.94 29.90 29.78 10 10 10 12 6 14 0.00  
27 63 51 39 42 38 32 92 62 32 29.90 29.81 29.69 10 10 10 22 6 26 0.02  
28 60 53 45 43 41 38 92 70 47 29.76 29.70 29.66 10 10 10 17 6 22 0.13 Rain
29 64 53 41 44 41 34 96 65 34 29.82 29.70 29.56 10 9 2 23 6 26 0.52 Rain , Thunderstorm
30 56 48 39 41 33 28 96 66 35 29.99 29.84 29.74 10 10 10 22 7 28 0.01  
31 61 49 36 36 30 23 76 52 28 30.26 30.12 29.99 10 10 10 16 6 18 0.00