Weather History for Dayton, OH

Change the Weather History Date:

Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 19 °C 7 °C -3 °C
Mean Temperature 17 °C 4 °C -5 °C
Min Temperature 14 °C 0 °C -7 °C
Degree Days  
Heating Degree Days (base 65) 42 26 3 819
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 1 0 20
Dew Point  
Dew Point 14 °C 1 °C -9 °C
Precipitation  
Precipitation 20.3 mm 3.7 mm 0.0 mm 95.75 mm
Snowdepth 18 cm 3 cm 0 cm -
Wind  
Wind 63 km/h 17 km/h 0 km/h
Gust Wind 82 km/h 42 km/h 34 km/h
Sea Level Pressure  
Sea Level Pressure 1031 hPa 1016 hPa 990 hPa

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. 11, 2012 Rise Set
Actual Time 7:48 AM EST 5:12 PM EST
Civil Twilight 7:18 AM EST 5:42 PM EST
Nautical Twilight 6:44 AM EST 6:16 PM EST
Astronomical Twilight 6:11 AM EST 6:49 PM EST
Moon 5:42 AM EST (12/11) 3:50 PM EST (12/11)
Length of Visible Light 10h 24m
Length of Day
9h 23m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 95.75 Normal Month Total: 7.9
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
16 | 7 0.00
Average:
6 | -2 2.54
Rain
Actual:
15 | 12 6.86
Average:
6 | -2 2.54
Fog
Actual:
19 | 14 T
Average:
6 | -2 2.54
Rain
Actual:
18 | 4 12.45
Average:
6 | -2 2.79
Partly Cloudy
Actual:
6 | -3 0.00
Average:
6 | -3 2.54
Rain
Actual:
7 | -3 0.25
Average:
5 | -3 2.54
Rain
Actual:
11 | 7 13.72
Average:
5 | -3 2.79
Rain
Actual:
12 | 6 1.02
Average:
4 | -3 2.79
Rain
Actual:
14 | 4 10.16
Average:
4 | -3 2.79
Snow
Actual:
13 | -1 0.25
Average:
4 | -3 2.54
Snow
Actual:
1 | -3 T
Average:
4 | -4 2.54
Clear
Actual:
6 | -6 0.00
Average:
4 | -4 2.54
Scattered Clouds
Actual:
8 | -5 0.00
Average:
3 | -4 2.54
Partly Cloudy
Actual:
11 | 0 0.00
Average:
3 | -4 2.29
Rain
Actual:
12 | 3 0.25
Average:
3 | -4 2.29
Partly Cloudy
Actual:
14 | 4 0.00
Average:
3 | -4 2.54
Rain
Actual:
9 | 3 3.30
Average:
3 | -4 2.29
Rain
Actual:
5 | 3 0.25
Average:
3 | -5 2.29
Mostly Cloudy
Actual:
7 | 1 0.00
Average:
3 | -5 2.29
Snow
Actual:
11 | 0 20.32
Average:
3 | -5 2.54
Snow
Actual:
0 | -2 2.54
Average:
2 | -5 2.54
Partly Cloudy
Actual:
-1 | -4 0.00
Average:
2 | -5 2.79
Partly Cloudy
Actual:
4 | -3 0.00
Average:
2 | -6 2.54
Rain
Actual:
3 | -4 2.29
Average:
2 | -6 2.79
Snow
Actual:
1 | -1 T
Average:
2 | -6 2.54
Snow
Actual:
1 | -3 17.27
Average:
2 | -6 2.79
Mostly Cloudy
Actual:
-2 | -5 0.00
Average:
2 | -6 2.54
Snow
Actual:
0 | -7 T
Average:
2 | -6 2.54
Snow
Actual:
-1 | -4 4.57
Average:
2 | -6 2.54
Partly Cloudy
Actual:
-3 | -7 T
Average:
2 | -6 2.54
Snow
Actual:
1 | -4 0.25
Average:
2 | -6 2.54
 

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. (°C) Dew Point (°C) Humidity (%) Sea Level Press. (hPa) Visibility (km) Wind (km/h) Precip. (mm) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 16 12 7 7 6 4 76 66 55 1024 1023 1021 16 15 11 29 16 37 0.00  
2 15 13 12 14 11 7 100 81 62 1021 1019 1017 16 7 0 34 20 45 6.86 Fog , Rain
3 19 17 14 14 14 11 100 86 72 1021 1020 1018 16 10 0 26 15 35 T Fog
4 18 11 4 14 9 3 100 84 67 1023 1019 1016 16 13 3 35 20 42 12.45 Rain
5 6 2 -3 3 -1 -5 100 80 59 1029 1027 1023 16 16 11 21 11 24 0.00  
6 7 2 -3 6 -1 -6 92 77 62 1027 1021 1015 16 16 6 21 12 24 0.25 Rain
7 11 9 7 11 8 7 100 97 93 1016 1014 1010 10 3 0 23 9 29 13.72 Fog , Rain
8 12 9 6 11 8 4 100 93 86 1019 1013 1010 16 8 3 24 14 32 1.02 Rain
9 14 9 4 14 8 3 100 93 86 1019 1012 1005 16 10 1 29 17 37 10.16 Rain
10 13 6 -1 12 3 -2 100 90 79 1014 1008 1005 16 9 1 29 18 37 0.25 Rain , Snow
11 1 -1 -3 -1 -4 -6 92 77 61 1025 1019 1014 16 14 6 24 15 29 T Snow
12 6 1 -6 -3 -6 -7 92 68 43 1030 1029 1025 16 14 10 13 8 16 0.00  
13 8 2 -5 -3 -4 -6 88 64 40 1031 1029 1025 16 15 8 19 11 26 0.00  
14 11 6 0 -2 -3 -4 78 58 38 1027 1024 1022 16 15 13 23 12 27 0.00  
15 12 7 3 7 2 -3 80 67 53 1022 1015 1008 16 16 14 35 16 42 0.25 Rain
16 14 9 4 11 8 4 93 82 71 1008 1007 1004 16 16 11 34 15 47 0.00  
17 9 6 3 7 6 3 100 93 86 1008 1005 1002 11 4 0 21 8 23 3.30 Fog , Rain
18 5 4 3 3 2 0 100 88 76 1012 1008 1004 16 12 4 32 17 42 0.25 Rain
19 7 4 1 3 2 0 92 81 70 1020 1016 1008 16 10 6 35 13 42 0.00  
20 11 6 0 9 4 -3 100 88 76 1014 999 990 16 10 3 63 35 82 20.32 Rain , Snow
21 0 -1 -2 -3 -4 -4 92 85 78 1017 1004 996 16 7 1 61 44 79 2.54 Rain , Snow
22 -1 -3 -4 -5 -6 -8 85 74 63 1024 1021 1017 16 16 16 37 20 50 0.00  
23 4 1 -3 -2 -5 -7 85 72 59 1019 1015 1014 16 15 11 19 10 24 0.00  
24 3 0 -4 3 -1 -6 100 89 78 1017 1011 1008 13 5 0 32 11 37 2.29 Fog , Rain
25 1 1 -1 -1 -2 -4 92 82 72 1023 1021 1015 16 12 5 34 18 42 T Snow
26 1 -1 -3 -2 -3 -6 92 82 72 1018 1007 1002 16 5 0 50 33 60 17.27 Fog , Snow
27 -2 -3 -5 -5 -6 -6 88 82 75 1023 1020 1012 16 15 11 29 12 37 0.00  
28 0 -3 -7 -3 -5 -8 100 86 72 1022 1019 1012 16 12 6 24 8 29 T Snow
29 -1 -2 -4 -2 -4 -6 100 91 81 1022 1012 1007 8 4 1 37 19 48 4.57 Snow
30 -3 -5 -7 -6 -8 -9 92 80 68 1031 1028 1023 16 14 11 37 20 47 T  
31 1 -2 -4 -1 -3 -7 92 81 69 1026 1021 1017 16 9 2 32 20 39 0.25 Snow