Monthly Statistics in Rochester for December 2018

 December 2018  HighLowAverage
Temperature 57.6 °F (2-14:30) 19.0 °F (9-4:10) 33.1 °F
Dew Point 53.4 °F (21-12:01) 15.0 °F (18-11:58) 28.7 °F
Humidity 99 % (21-8:16) 44 % (19-14:54) 84.3 %
Wind Speed 15.99 mph Southwest (29-0:01) - -
Wind Gust 31.00 mph West (28-22:43) - -
Wind - - Southwest
Pressure 30.55 in (27-3:23) 29.17 in (21-13:53) 30.01 in
Precipitation Total: 1.890 in
Max Rate: 0.400 in/hr (20-21:04)
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 12/31/2018  HighLowAverage
Temperature 48.2 °F (23:36) 24.8 °F (2:17) 34 °F
Dew Point 45.7 °F (23:36) 23.3 °F (2:17) 32 °F
Humidity 97 % (19:28) 84 % (15:00) 92.3 %
Wind Speed 5.99 mph South (21:58) - -
Wind Gust 14.00 mph Southwest (22:09) - -
Wind - - South
Pressure 30.17 in (8:17) 29.36 in (22:56) 29.92 in
Precipitation Total: 0.310 in
Max Rate: 0.110 in/hr (21:01)
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 12/30/2018  HighLowAverage
Temperature 32.0 °F (14:19) 23.0 °F (7:20) 27.7 °F
Dew Point 30.2 °F (14:19) 20.6 °F (1:34) 25.5 °F
Humidity 96 % (8:47) 80 % (2:41) 91.5 %
Wind Speed 1.01 mph Southwest (0:08) - -
Wind Gust 3.00 mph Southwest (14:35) - -
Wind - - Southwest
Pressure 30.14 in (0:07) 30.03 in (13:31) 30.09 in
Precipitation Total: 0.010 in - -
 
 12/29/2018  HighLowAverage
Temperature 41.5 °F (0:00) 23.5 °F (21:09) 30.8 °F
Dew Point 35.6 °F (0:14) 19.2 °F (20:18) 26 °F
Humidity 91 % (1:56) 76 % (16:46) 82.2 %
Wind Speed 15.99 mph Southwest (0:01) - -
Wind Gust 28.01 mph West (1:07) - -
Wind - - West
Pressure 30.23 in (18:46) 29.77 in (0:13) 30.06 in
Precipitation Total: 0.000 in - -
 
 12/28/2018  HighLowAverage
Temperature 54.1 °F (15:02) 41.2 °F (0:33) 48.6 °F
Dew Point 50.0 °F (15:50) 35.0 °F (23:56) 44.9 °F
Humidity 93 % (6:39) 77 % (23:56) 87 %
Wind Speed 15.01 mph West (22:49) - -
Wind Gust 31.00 mph West (22:43) - -
Wind - - Southwest
Pressure 29.98 in (0:00) 29.65 in (21:17) 29.76 in
Precipitation Total: 0.120 in
Max Rate: 0.130 in/hr (5:33)
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 12/27/2018  HighLowAverage
Temperature 43.9 °F (23:01) 23.4 °F (8:11) 31.1 °F
Dew Point 37.0 °F (23:58) 19.0 °F (6:03) 25.2 °F
Humidity 87 % (7:36) 67 % (23:00) 78.9 %
Wind Speed 5.99 mph Southeast (17:59) - -
Wind Gust 15.01 mph East (17:52) - -
Wind - - Southeast
Pressure 30.55 in (3:23) 29.98 in (23:59) 30.35 in
Precipitation Total: 0.040 in
Max Rate: 0.090 in/hr (23:59)
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 12/26/2018  HighLowAverage
Temperature 36.0 °F (13:14) 29.3 °F (3:23) 32.6 °F
Dew Point 30.8 °F (20:12) 21.3 °F (23:47) 27 °F
Humidity 90 % (0:00) 70 % (23:47) 79.9 %
Wind Speed 5.01 mph West (9:39) - -
Wind Gust 10.00 mph West (10:59) - -
Wind - - West
Pressure 30.50 in (23:25) 30.29 in (0:22) 30.37 in
Precipitation Total: 0.030 in - -
 
 12/25/2018  HighLowAverage
Temperature 33.8 °F (13:26) 29.5 °F (22:55) 30.8 °F
Dew Point 29.7 °F (0:57) 20.4 °F (15:28) 25.7 °F
Humidity 94 % (6:53) 62 % (15:28) 82 %
Wind Speed 1.99 mph West (0:15) - -
Wind Gust 5.99 mph West (4:20) - -
Wind - - Northwest
Pressure 30.30 in (18:25) 30.14 in (0:53) 30.25 in
Precipitation Total: 0.050 in
Max Rate: 0.060 in/hr (13:46)
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 12/24/2018  HighLowAverage
Temperature 36.5 °F (10:35) 30.6 °F (17:54) 32.8 °F
Dew Point 32.4 °F (2:26) 27.6 °F (11:21) 29.9 °F
Humidity 97 % (15:13) 70 % (10:41) 89.4 %
Wind Speed 7.00 mph West (10:21) - -
Wind Gust 11.99 mph West (10:16) - -
Wind - - West
Pressure 30.14 in (23:25) 29.95 in (14:18) 30 in
Precipitation Total: 0.010 in - -
 
 12/23/2018  HighLowAverage
Temperature 33.3 °F (15:27) 29.8 °F (7:33) 31.5 °F
Dew Point 30.1 °F (23:28) 23.9 °F (1:10) 27.2 °F
Humidity 91 % (23:28) 75 % (1:10) 84.1 %
Wind Speed 5.99 mph Northwest (0:37) - -
Wind Gust 13.00 mph West (0:16) - -
Wind - - South
Pressure 30.09 in (9:03) 29.95 in (23:59) 30.02 in
Precipitation Total: 0.000 in - -
 
 12/22/2018  HighLowAverage
Temperature 34.3 °F (0:04) 30.0 °F (9:27) 31.3 °F
Dew Point 32.9 °F (0:10) 24.6 °F (23:59) 27.6 °F
Humidity 97 % (1:13) 77 % (23:59) 86 %
Wind Speed 10.00 mph Northwest (12:14) - -
Wind Gust 18.99 mph West (12:15) - -
Wind - - West
Pressure 30.01 in (23:40) 29.26 in (0:29) 29.66 in
Precipitation Total: 0.010 in - -
 
 12/21/2018  HighLowAverage
Temperature 54.1 °F (12:07) 34.3 °F (23:59) 43.7 °F
Dew Point 53.4 °F (12:01) 32.8 °F (23:59) 42.5 °F
Humidity 99 % (8:16) 91 % (14:29) 95.5 %
Wind Speed 7.00 mph West (22:29) - -
Wind Gust 13.00 mph West (21:57) - -
Wind - - Southwest
Pressure 29.51 in (0:00) 29.17 in (13:53) 29.23 in
Precipitation Total: 0.441 in
Max Rate: 0.200 in/hr (19:14)
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 12/20/2018  HighLowAverage
Temperature 46.0 °F (20:15) 31.3 °F (7:27) 38.7 °F
Dew Point 42.5 °F (21:14) 20.5 °F (2:13) 30.3 °F
Humidity 97 % (23:16) 58 % (12:20) 72.3 %
Wind Speed 4.00 mph East (22:05) - -
Wind Gust 11.01 mph Southeast (22:04) - -
Wind - - Southeast
Pressure 29.93 in (0:08) 29.51 in (23:59) 29.81 in
Precipitation Total: 0.389 in
Max Rate: 0.400 in/hr (21:04)
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 12/19/2018  HighLowAverage
Temperature 44.6 °F (14:33) 20.1 °F (0:19) 32.4 °F
Dew Point 27.4 °F (13:29) 17.7 °F (0:19) 22.3 °F
Humidity 91 % (2:01) 44 % (14:54) 68.4 %
Wind Speed 3.00 mph Southwest (12:17) - -
Wind Gust 8.01 mph West (12:04) - -
Wind - - Southwest
Pressure 30.08 in (0:22) 29.90 in (15:46) 29.97 in
Precipitation Total: 0.000 in - -
 
 12/18/2018  HighLowAverage
Temperature 27.9 °F (0:24) 19.6 °F (23:20) 24.3 °F
Dew Point 22.0 °F (2:07) 15.0 °F (11:58) 17.8 °F
Humidity 90 % (23:10) 67 % (16:05) 76.2 %
Wind Speed 8.99 mph Northwest (4:31) - -
Wind Gust 14.00 mph North (3:18) - -
Wind - - Northwest
Pressure 30.18 in (9:45) 29.97 in (0:02) 30.11 in
Precipitation Total: 0.000 in - -
 
 12/17/2018  HighLowAverage
Temperature 38.5 °F (6:23) 27.5 °F (23:59) 34.9 °F
Dew Point 36.3 °F (2:42) 20.5 °F (22:42) 30.7 °F
Humidity 97 % (2:20) 71 % (21:53) 84.8 %
Wind Speed 8.50 mph West (10:07) - -
Wind Gust 18.99 mph Northwest (19:57) - -
Wind - - West
Pressure 29.98 in (23:30) 29.72 in (6:08) 29.8 in
Precipitation Total: 0.010 in - -
 
 12/16/2018  HighLowAverage
Temperature 37.8 °F (13:29) 33.6 °F (20:59) 35.5 °F
Dew Point 35.7 °F (16:09) 31.2 °F (8:10) 33.3 °F
Humidity 97 % (22:49) 85 % (10:58) 91.3 %
Wind Speed 5.01 mph Southwest (23:27) - -
Wind Gust 8.01 mph West (23:21) - -
Wind - - Southeast
Pressure 30.12 in (0:13) 29.82 in (23:59) 29.96 in
Precipitation Total: 0.040 in - -
 
 12/15/2018  HighLowAverage
Temperature 40.5 °F (2:43) 34.5 °F (23:52) 38.3 °F
Dew Point 37.3 °F (6:07) 31.9 °F (23:44) 35 °F
Humidity 95 % (6:47) 83 % (15:39) 88.1 %
Wind Speed 3.00 mph Northwest (5:00) - -
Wind Gust 8.01 mph Northeast (20:34) - -
Wind - - Southeast
Pressure 30.21 in (8:54) 30.09 in (1:51) 30.15 in
Precipitation Total: 0.000 in - -
 
 12/14/2018  HighLowAverage
Temperature 46.2 °F (15:00) 31.8 °F (6:45) 39.2 °F
Dew Point 38.7 °F (14:35) 30.0 °F (6:45) 34.6 °F
Humidity 95 % (7:02) 72 % (16:11) 83.8 %
Wind Speed 3.00 mph South (1:46) - -
Wind Gust 5.01 mph South (9:33) - -
Wind - - South
Pressure 30.27 in (0:00) 30.10 in (23:31) 30.17 in
Precipitation Total: 0.000 in - -
 
 12/13/2018  HighLowAverage
Temperature 43.0 °F (14:00) 29.5 °F (0:17) 34.5 °F
Dew Point 35.0 °F (13:08) 25.8 °F (0:17) 30.6 °F
Humidity 96 % (5:49) 71 % (14:29) 86.1 %
Wind Speed 3.00 mph Southeast (0:38) - -
Wind Gust 7.00 mph Southeast (0:33) - -
Wind - - South
Pressure 30.27 in (19:31) 30.04 in (1:24) 30.16 in
Precipitation Total: 0.020 in - -
 
 12/12/2018  HighLowAverage
Temperature 33.4 °F (14:41) 28.8 °F (22:39) 30.9 °F
Dew Point 29.7 °F (9:23) 24.5 °F (22:23) 27.5 °F
Humidity 94 % (5:47) 79 % (14:11) 87.3 %
Wind Speed 5.01 mph East (20:14) - -
Wind Gust 10.00 mph Southeast (16:13) - -
Wind - - South
Pressure 30.09 in (8:28) 29.96 in (1:23) 30.05 in
Precipitation Total: 0.000 in - -
 
 12/11/2018  HighLowAverage
Temperature 32.0 °F (2:14) 27.7 °F (19:15) 29.5 °F
Dew Point 27.5 °F (23:53) 22.0 °F (13:25) 24.8 °F
Humidity 94 % (18:05) 73 % (11:03) 82.7 %
Wind Speed 5.01 mph West (21:00) - -
Wind Gust 10.00 mph Southwest (20:52) - -
Wind - - Southwest
Pressure 30.07 in (0:00) 29.92 in (18:27) 29.98 in
Precipitation Total: 0.000 in - -
 
 12/10/2018  HighLowAverage
Temperature 32.5 °F (12:45) 28.6 °F (3:48) 30 °F
Dew Point 28.2 °F (12:45) 23.5 °F (3:48) 25.6 °F
Humidity 88 % (17:14) 78 % (23:59) 83.3 %
Wind Speed 4.00 mph West (0:32) - -
Wind Gust 8.99 mph West (2:14) - -
Wind - - Southwest
Pressure 30.17 in (10:29) 30.07 in (23:49) 30.12 in
Precipitation Total: 0.000 in - -
 
 12/9/2018  HighLowAverage
Temperature 34.0 °F (15:36) 19.0 °F (4:10) 27.1 °F
Dew Point 24.7 °F (13:45) 15.3 °F (3:59) 21.2 °F
Humidity 88 % (4:15) 65 % (15:46) 78.4 %
Wind Speed 5.99 mph West (0:02) - -
Wind Gust 11.99 mph Southwest (13:10) - -
Wind - - West
Pressure 30.44 in (0:00) 30.14 in (23:59) 30.26 in
Precipitation Total: 0.010 in - -
 
 12/8/2018  HighLowAverage
Temperature 31.1 °F (15:33) 22.1 °F (0:52) 26 °F
Dew Point 23.4 °F (14:21) 18.4 °F (23:56) 20.2 °F
Humidity 93 % (6:14) 63 % (16:00) 78.7 %
Wind Speed 8.01 mph West (11:04) - -
Wind Gust 15.01 mph Southwest (10:11) - -
Wind - - West
Pressure 30.46 in (21:03) 30.32 in (5:48) 30.39 in
Precipitation Total: 0.000 in - -
 
 12/7/2018  HighLowAverage
Temperature 29.7 °F (0:00) 19.4 °F (19:30) 23.8 °F
Dew Point 25.3 °F (2:34) 15.0 °F (18:46) 19.2 °F
Humidity 94 % (4:22) 66 % (11:48) 82.7 %
Wind Speed 5.01 mph Northwest (9:33) - -
Wind Gust 10.00 mph West (11:48) - -
Wind - - Northwest
Pressure 30.40 in (16:42) 30.12 in (0:07) 30.32 in
Precipitation Total: 0.011 in - -
 
 12/6/2018  HighLowAverage
Temperature 36.1 °F (14:04) 29.3 °F (8:44) 31.8 °F
Dew Point 30.5 °F (19:28) 23.0 °F (23:59) 27.6 °F
Humidity 94 % (9:23) 69 % (13:50) 84.7 %
Wind Speed 8.01 mph West (12:06) - -
Wind Gust 17.00 mph West (12:53) - -
Wind - - West
Pressure 30.12 in (23:47) 29.94 in (17:09) 30 in
Precipitation Total: 0.019 in - -
 
 12/5/2018  HighLowAverage
Temperature 33.1 °F (15:07) 19.4 °F (4:25) 26 °F
Dew Point 26.0 °F (23:50) 17.4 °F (7:45) 21.4 °F
Humidity 93 % (0:35) 65 % (15:43) 82.9 %
Wind Speed 4.00 mph West (21:07) - -
Wind Gust 8.99 mph West (22:13) - -
Wind - - West
Pressure 30.04 in (0:00) 29.98 in (14:28) 30.01 in
Precipitation Total: 0.010 in - -
 
 12/4/2018  HighLowAverage
Temperature 31.5 °F (0:06) 19.9 °F (23:59) 26.6 °F
Dew Point 30.5 °F (0:14) 17.7 °F (23:59) 22.7 °F
Humidity 96 % (0:14) 69 % (14:11) 85.4 %
Wind Speed 4.00 mph Northwest (6:02) - -
Wind Gust 8.01 mph Northwest (12:38) - -
Wind - - West
Pressure 30.09 in (9:53) 29.89 in (0:50) 30.02 in
Precipitation Total: 0.030 in - -
 
 12/3/2018  HighLowAverage
Temperature 49.5 °F (1:19) 30.9 °F (22:24) 38.3 °F
Dew Point 46.8 °F (0:29) 29.7 °F (22:15) 34.7 °F
Humidity 96 % (18:05) 77 % (4:12) 87 %
Wind Speed 11.99 mph Southwest (5:06) - -
Wind Gust 21.99 mph West (2:12) - -
Wind - - West
Pressure 29.89 in (23:30) 29.42 in (0:39) 29.64 in
Precipitation Total: 0.010 in - -
 
 12/2/2018  HighLowAverage
Temperature 57.6 °F (14:30) 36.9 °F (0:07) 47.5 °F
Dew Point 50.2 °F (13:36) 35.8 °F (0:07) 44.2 °F
Humidity 97 % (0:08) 73 % (15:16) 88.6 %
Wind Speed 8.99 mph West (22:17) - -
Wind Gust 15.99 mph West (22:15) - -
Wind - - South
Pressure 29.76 in (0:00) 29.40 in (21:38) 29.52 in
Precipitation Total: 0.120 in
Max Rate: 0.360 in/hr (22:46)
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 12/1/2018  HighLowAverage
Temperature 36.9 °F (23:43) 32.7 °F (6:57) 34.5 °F
Dew Point 35.8 °F (23:43) 31.2 °F (15:26) 32.2 °F
Humidity 96 % (6:16) 84 % (15:10) 91.6 %
Wind Speed 8.01 mph East (15:11) - -
Wind Gust 15.01 mph Southeast (15:05) - -
Wind - - South
Pressure 30.15 in (6:47) 29.76 in (23:59) 30.02 in
Precipitation Total: 0.200 in
Max Rate: 0.190 in/hr (21:15)
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