Weather History for Dayton, OH

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 74 °F 53 °F
Mean Temperature 79 °F 65 °F 45 °F
Min Temperature 70 °F 56 °F 36 °F
Degree Days  
Heating Degree Days (base 65) 20 3 0 107
Cooling Degree Days (base 65) 14 4 0 115
Growing Degree Days (base 50) 28 15 0 476
Dew Point  
Dew Point 70 °F 53 °F 26 °F
Precipitation  
Precipitation 0.88 in 0.12 in 0.00 in 2.99 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 44 mph 10 mph 0 mph
Gust Wind 59 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.42 in 30.02 in 29.74 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. 16, 2013 Rise Set
Actual Time 6:20 AM EDT 8:46 PM EDT
Civil Twilight 5:50 AM EDT 9:17 PM EDT
Nautical Twilight 5:12 AM EDT 9:55 PM EDT
Astronomical Twilight 4:29 AM EDT 10:37 PM EDT
Moon 11:53 AM EDT (5/16) 1:06 AM EDT (5/16)
Length of Visible Light 15h 27m
Length of Day
14h 25m
Waxing Crescent, 35% of the Moon is Illuminated
May 16
Waxing Crescent
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

Weather History Calendar

Precipitation Actual month total 2.99 Normal Month Total: 4.66
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
80 | 53 0.00
Average:
67 | 47 0.15
Partly Cloudy
Actual:
72 | 56 0.00
Average:
68 | 47 0.14
Partly Cloudy
Actual:
76 | 56 0.00
Average:
68 | 47 0.15
Mostly Cloudy
Actual:
69 | 57 0.00
Average:
68 | 48 0.16
Rain
Actual:
63 | 55 T
Average:
69 | 48 0.15
Rain
Actual:
65 | 55 0.09
Average:
69 | 48 0.15
Rain
Actual:
73 | 54 0.09
Average:
69 | 49 0.15
Rain
Actual:
76 | 52 0.01
Average:
69 | 49 0.14
Rain
Actual:
80 | 52 T
Average:
70 | 49 0.15
Thunderstorm
Actual:
69 | 55 0.88
Average:
70 | 49 0.15
Rain
Actual:
58 | 40 0.02
Average:
70 | 50 0.15
Partly Cloudy
Actual:
53 | 36 0.00
Average:
70 | 50 0.15
Partly Cloudy
Actual:
60 | 38 0.00
Average:
71 | 50 0.16
Rain
Actual:
79 | 45 T
Average:
71 | 51 0.15
Partly Cloudy
Actual:
87 | 66 0.00
Average:
71 | 51 0.15
Thunderstorm
Actual:
79 | 63 0.11
Average:
72 | 51 0.15
Rain
Actual:
80 | 61 0.48
Average:
72 | 52 0.15
Rain
Actual:
77 | 63 0.03
Average:
72 | 52 0.14
Fog
Actual:
82 | 62 0.00
Average:
72 | 52 0.15
Partly Cloudy
Actual:
84 | 68 0.00
Average:
73 | 53 0.15
Partly Cloudy
Actual:
83 | 67 T
Average:
73 | 53 0.15
Thunderstorm
Actual:
79 | 62 0.19
Average:
73 | 53 0.15
Rain
Actual:
69 | 49 0.16
Average:
73 | 54 0.16
Partly Cloudy
Actual:
65 | 46 T
Average:
74 | 54 0.15
Partly Cloudy
Actual:
66 | 42 0.00
Average:
74 | 54 0.15
Partly Cloudy
Actual:
69 | 47 0.00
Average:
74 | 55 0.15
Rain
Actual:
78 | 51 0.26
Average:
75 | 55 0.15
Mostly Cloudy
Actual:
82 | 69 T
Average:
75 | 55 0.15
Partly Cloudy
Actual:
86 | 69 0.00
Average:
75 | 56 0.16
Partly Cloudy
Actual:
87 | 70 0.00
Average:
76 | 56 0.15
Thunderstorm
Actual:
83 | 67 0.67
Average:
76 | 56 0.15
 

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 80 67 53 60 54 50 89 64 39 30.20 30.16 30.08 10 10 10 15 8 20 0.00  
2 72 64 56 54 52 50 83 66 49 30.24 30.18 30.12 10 10 10 16 9 21 0.00  
3 76 66 56 56 50 36 80 56 31 30.11 30.05 29.99 10 10 10 23 12 28 0.00  
4 69 63 57 47 43 38 62 51 39 30.04 30.01 29.97 10 10 10 23 14 29 0.00  
5 63 59 55 50 44 39 77 62 46 30.01 29.98 29.94 10 10 9 20 9 25 T Rain
6 65 60 55 57 52 47 87 77 67 30.00 29.97 29.94 10 10 10 17 9 24 0.09 Rain
7 73 64 54 59 55 53 100 79 57 30.01 29.98 29.93 10 10 10 18 6 22 0.09 Rain
8 76 64 52 57 54 50 100 71 41 30.01 29.98 29.95 10 9 5 22 7 26 0.01 Rain
9 80 66 52 59 54 50 96 68 39 30.03 29.99 29.94 10 10 10 26 6 31 T Rain
10 69 62 55 63 60 55 100 88 76 30.01 29.89 29.81 10 8 2 32 11 39 0.88 Rain , Thunderstorm
11 58 49 40 54 47 39 100 86 72 30.00 29.91 29.87 10 10 7 26 10 35 0.02 Rain
12 53 45 36 38 33 29 100 71 41 30.15 30.07 30.02 10 10 10 24 11 30 0.00  
13 60 49 38 34 30 26 70 49 28 30.20 30.16 30.12 10 10 10 22 6 26 0.00  
14 79 62 45 57 44 32 65 52 39 30.15 29.98 29.83 10 10 10 25 13 32 T Rain
15 87 77 66 59 57 55 73 55 37 29.85 29.82 29.79 10 10 10 31 18 44 0.00  
16 79 71 63 65 62 55 93 72 50 29.99 29.91 29.83 10 10 6 18 6 23 0.11 Rain , Thunderstorm
17 80 71 61 65 62 60 100 77 54 30.09 30.05 29.99 10 4 0 21 5 26 0.48 Fog , Rain
18 77 70 63 65 63 60 93 79 64 30.10 30.04 29.99 10 10 7 10 5 14 0.03 Rain
19 82 72 62 67 65 61 100 79 58 30.04 29.99 29.92 10 7 0 10 4 13 0.00 Fog
20 84 76 68 70 67 64 97 76 55 30.02 29.95 29.88 10 8 3 22 10 28 0.00  
21 83 75 67 67 62 60 84 66 47 29.93 29.86 29.80 10 10 10 25 12 35 T  
22 79 71 62 65 62 60 93 74 54 29.85 29.80 29.74 10 10 10 28 13 37 0.19 Rain , Thunderstorm
23 69 59 49 64 56 43 93 81 68 30.12 29.90 29.80 10 10 3 25 13 30 0.16 Rain
24 65 56 46 45 38 32 86 59 31 30.34 30.27 30.13 10 10 10 22 10 28 T  
25 66 54 42 45 40 35 89 62 34 30.42 30.33 30.25 10 10 10 10 4 13 0.00  
26 69 58 47 43 40 36 71 53 34 30.33 30.28 30.21 10 10 10 13 5 15 0.00  
27 78 65 51 59 51 38 96 69 42 30.24 30.11 29.95 10 10 3 22 12 26 0.26 Rain
28 82 76 69 65 61 58 73 61 49 30.01 29.97 29.93 10 10 10 25 14 32 T  
29 86 78 69 62 59 57 66 53 40 30.06 30.03 29.99 10 10 9 22 13 28 0.00  
30 87 79 70 66 64 62 79 65 51 30.14 30.07 30.01 10 10 8 20 12 24 0.00  
31 83 75 67 70 66 63 97 78 58 30.05 30.00 29.95 10 8 0 44 13 59 0.67 Fog , Rain , Thunderstorm