Weather History for Rochester, NY

Change the Weather History Date:

Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 60 °F 42 °F 29 °F
Mean Temperature 50 °F 36 °F 20 °F
Min Temperature 43 °F 29 °F 10 °F
Degree Days  
Heating Degree Days (base 65) 45 29 15 909
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 54 °F 27 °F 1 °F
Precipitation  
Precipitation 0.44 in 0.11 in 0.00 in 2.48 in
Snowdepth 1.0 in 0.1 in 0.0 in -
Wind  
Wind 35 mph 8 mph 0 mph
Gust Wind 46 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.63 in 30.11 in 29.27 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. 15, 2011 Rise Set
Actual Time 7:35 AM EST 4:36 PM EST
Civil Twilight 7:02 AM EST 5:08 PM EST
Nautical Twilight 6:26 AM EST 5:44 PM EST
Astronomical Twilight 5:52 AM EST 6:19 PM EST
Moon 10:07 PM EST (12/15) 10:44 AM EST (12/15)
Length of Visible Light 10h 05m
Length of Day
9h 01m
Waning Gibbous, 75% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter
Jan 9
Full

Weather History Calendar

Precipitation Actual month total 2.48 Normal Month Total: 2.63
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
47 | 29 0.00
Average:
42 | 28 0.09
Snow
Actual:
38 | 27 0.07
Average:
41 | 28 0.09
Partly Cloudy
Actual:
45 | 25 0.00
Average:
41 | 28 0.10
Rain
Actual:
60 | 39 T
Average:
40 | 27 0.09
Rain
Actual:
52 | 43 0.44
Average:
40 | 27 0.09
Rain
Actual:
43 | 37 0.24
Average:
40 | 27 0.09
Snow
Actual:
37 | 32 0.01
Average:
39 | 26 0.09
Snow
Actual:
40 | 30 T
Average:
39 | 26 0.09
Snow
Actual:
41 | 30 0.06
Average:
38 | 26 0.09
Snow
Actual:
30 | 19 T
Average:
38 | 25 0.10
Partly Cloudy
Actual:
39 | 20 0.00
Average:
38 | 25 0.09
Scattered Clouds
Actual:
43 | 23 0.00
Average:
37 | 25 0.09
Partly Cloudy
Actual:
46 | 24 0.00
Average:
37 | 24 0.08
Rain
Actual:
48 | 42 T
Average:
37 | 24 0.08
Rain
Actual:
56 | 41 0.42
Average:
36 | 24 0.09
Thunderstorm
Actual:
42 | 34 0.05
Average:
36 | 23 0.08
Snow
Actual:
34 | 19 0.01
Average:
36 | 23 0.08
Partly Cloudy
Actual:
34 | 16 0.00
Average:
36 | 23 0.07
Rain
Actual:
48 | 33 T
Average:
35 | 22 0.08
Mostly Cloudy
Actual:
38 | 28 0.00
Average:
35 | 22 0.08
Rain
Actual:
54 | 35 0.30
Average:
35 | 22 0.08
Rain
Actual:
45 | 38 0.19
Average:
35 | 22 0.08
Snow
Actual:
38 | 23 0.14
Average:
34 | 21 0.08
Snow
Actual:
29 | 20 T
Average:
34 | 21 0.08
Snow
Actual:
47 | 26 0.02
Average:
34 | 21 0.09
Rain
Actual:
38 | 30 T
Average:
34 | 21 0.08
Snow
Actual:
39 | 31 0.36
Average:
34 | 20 0.08
Snow
Actual:
35 | 17 0.10
Average:
33 | 20 0.08
Snow
Actual:
29 | 10 0.04
Average:
33 | 20 0.08
Snow
Actual:
47 | 29 0.03
Average:
33 | 20 0.08
Rain
Actual:
46 | 38 T
Average:
33 | 20 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

2011 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 47 38 29 33 29 23 82 68 53 30.30 30.25 30.13 10 10 10 16 7 21 0.00  
2 38 33 27 34 29 24 96 83 69 30.59 30.37 30.24 10 8 1 16 6 22 0.07 Snow
3 45 35 25 30 26 23 92 69 45 30.63 30.52 30.37 10 10 8 15 4 21 0.00  
4 60 50 39 36 31 27 64 49 33 30.36 30.23 30.12 10 10 10 20 11 28 T Rain
5 52 48 43 46 42 35 100 77 54 30.24 30.17 30.12 10 7 2 24 8 32 0.44 Rain
6 43 40 37 41 37 35 96 93 89 30.14 30.08 29.99 10 6 0 20 8 23 0.24 Fog , Rain
7 37 35 32 36 32 23 96 83 69 30.02 29.91 29.81 10 7 2 20 6 25 0.01 Snow
8 40 35 30 25 22 19 69 57 44 30.20 30.06 29.87 10 10 9 25 14 33 T Snow
9 41 36 30 31 28 23 92 74 55 30.26 30.19 30.12 10 6 1 20 10 26 0.06 Rain , Snow
10 30 25 19 21 14 9 85 64 42 30.51 30.39 30.25 10 10 9 23 10 31 T Snow
11 39 30 20 19 12 1 74 48 21 30.57 30.52 30.48 10 10 10 18 8 30 0.00  
12 43 33 23 19 14 12 74 52 30 30.50 30.47 30.43 10 10 10 17 5 22 0.00  
13 46 35 24 33 26 17 89 71 53 30.46 30.43 30.39 10 10 8 10 5 13 0.00  
14 48 45 42 40 33 28 92 71 49 30.38 30.23 29.99 10 9 5 14 5 20 T Rain
15 56 49 41 54 45 36 93 79 65 29.94 29.69 29.55 10 9 2 35 17 45 0.42 Rain
16 42 38 34 37 28 24 85 70 55 30.18 30.08 29.75 10 10 3 28 15 46 0.05 Rain , Snow , Thunderstorm
17 34 27 19 29 19 11 85 68 50 30.27 30.22 30.14 10 8 2 17 7 23 0.01 Snow
18 34 25 16 26 18 12 80 65 49 30.27 30.21 30.10 10 10 10 14 7 20 0.00  
19 48 41 33 37 31 24 85 66 46 30.06 29.93 29.83 10 10 7 31 15 41 T Rain
20 38 33 28 30 24 20 76 64 52 30.25 30.13 29.97 10 10 10 16 5 22 0.00  
21 54 45 35 48 41 30 96 86 75 29.97 29.74 29.53 10 8 3 28 9 38 0.30 Rain
22 45 42 38 40 37 34 92 84 76 30.09 30.02 29.87 10 9 4 20 5 28 0.19 Rain
23 38 31 23 36 26 14 96 77 58 30.33 30.13 29.95 10 7 2 21 9 29 0.14 Rain , Snow
24 29 25 20 20 17 14 88 73 57 30.50 30.41 30.27 10 10 9 12 5 14 T Snow
25 47 37 26 32 28 20 89 66 42 30.24 29.99 29.86 10 10 5 25 11 35 0.02 Rain , Snow
26 38 34 30 32 28 24 89 74 59 30.28 30.16 29.99 10 10 9 22 9 24 T Rain
27 39 35 31 37 30 24 92 81 69 30.03 29.58 29.27 10 9 4 21 7 26 0.36 Rain , Snow
28 35 26 17 32 18 9 92 82 71 29.99 29.71 29.33 10 5 0 28 15 38 0.10 Snow
29 29 20 10 27 17 7 88 73 58 30.03 29.92 29.82 10 7 1 13 7 16 0.04 Snow
30 47 38 29 36 33 27 92 79 65 29.89 29.84 29.75 10 10 8 15 5 24 0.03 Rain , Snow
31 46 42 38 40 37 31 92 80 67 30.09 29.88 29.71 10 8 2 16 7 21 T Rain