Monthly Statistics in Chattanooga, TN for May 2025

 May 2025  HighLowAverage
Temperature 87.6 °F (17-15:47) 49.6 °F (4-5:17) 66.9 °F
Dew Point 73.7 °F (16-13:00) 46.3 °F (22-14:52) 60.7 °F
Humidity 99 % (4-0:49) 33 % (22-15:19) 82.3 %
Wind Speed 8.01 mph Northwest (2-18:33) - -
Wind Gust 21.99 mph West (1-19:24) - -
Wind - - Southwest
Pressure 30.19 in (24-10:07) 29.74 in (20-21:34) 29.96 in
Precipitation Total: 10.740 in
Max Rate: 6.000 in/hr (2-18:52)
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 5/31/2025  HighLowAverage
Temperature 78.6 °F (15:15) 55.0 °F (3:55) 66.5 °F
Dew Point 62.5 °F (13:30) 53.6 °F (3:54) 56.8 °F
Humidity 96 % (0:49) 45 % (17:32) 73.7 %
Wind Speed 1.01 mph Northwest (17:06) - -
Wind Gust 15.01 mph South (18:22) - -
Wind - - West
Pressure 29.90 in (0:00) 29.80 in (19:42) 29.84 in
Precipitation Total: 0.010 in - -
 
 5/30/2025  HighLowAverage
Temperature 75.4 °F (12:50) 58.1 °F (23:59) 66.9 °F
Dew Point 68.7 °F (10:41) 55.1 °F (15:58) 61.5 °F
Humidity 99 % (3:25) 53 % (16:53) 84.4 %
Wind Speed 8.01 mph North (18:59) - -
Wind Gust 20.00 mph South (18:54) - -
Wind - - West
Pressure 29.98 in (0:00) 29.83 in (17:40) 29.87 in
Precipitation Total: 0.200 in
Max Rate: 1.520 in/hr (19:02)
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 5/29/2025  HighLowAverage
Temperature 73.4 °F (12:19) 65.5 °F (23:59) 68 °F
Dew Point 68.4 °F (10:39) 64.2 °F (13:59) 66.2 °F
Humidity 99 % (8:10) 79 % (12:25) 94.2 %
Wind Speed 3.00 mph Southwest (17:07) - -
Wind Gust 8.01 mph Southwest (18:07) - -
Wind - - Southwest
Pressure 30.09 in (8:16) 29.97 in (22:16) 30.03 in
Precipitation Total: 0.730 in
Max Rate: 4.970 in/hr (12:47)
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 5/28/2025  HighLowAverage
Temperature 79.3 °F (16:30) 59.9 °F (6:22) 67 °F
Dew Point 72.8 °F (18:40) 59.1 °F (6:22) 64.7 °F
Humidity 99 % (7:15) 74 % (15:57) 92.6 %
Wind Speed 3.00 mph Southwest (0:19) - -
Wind Gust 8.01 mph Southwest (3:08) - -
Wind - - South
Pressure 30.09 in (9:31) 30.01 in (20:15) 30.04 in
Precipitation Total: 0.370 in
Max Rate: 3.760 in/hr (17:07)
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 5/27/2025  HighLowAverage
Temperature 66.4 °F (14:37) 61.2 °F (23:59) 64 °F
Dew Point 65.1 °F (1:36) 60.0 °F (23:59) 62.5 °F
Humidity 98 % (1:32) 89 % (11:25) 94.9 %
Wind Speed 5.99 mph Southwest (10:17) - -
Wind Gust 15.99 mph Southwest (10:45) - -
Wind - - South
Pressure 30.09 in (12:26) 30.01 in (6:24) 30.04 in
Precipitation Total: 0.960 in
Max Rate: 2.560 in/hr (1:55)
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 5/26/2025  HighLowAverage
Temperature 76.3 °F (15:25) 64.0 °F (1:24) 68.4 °F
Dew Point 69.7 °F (17:57) 63.2 °F (1:24) 65.8 °F
Humidity 99 % (7:32) 78 % (15:32) 92 %
Wind Speed 3.00 mph Northwest (11:15) - -
Wind Gust 10.00 mph Northwest (16:31) - -
Wind - - Southwest
Pressure 30.08 in (1:26) 30.00 in (19:20) 30.04 in
Precipitation Total: 0.400 in
Max Rate: 1.240 in/hr (23:26)
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 5/25/2025  HighLowAverage
Temperature 76.3 °F (16:28) 60.3 °F (5:05) 66 °F
Dew Point 68.3 °F (18:42) 59.4 °F (5:05) 63.3 °F
Humidity 99 % (8:45) 73 % (16:46) 91.4 %
Wind Speed 1.99 mph North (18:59) - -
Wind Gust 8.99 mph Southwest (18:55) - -
Wind - - Southeast
Pressure 30.17 in (1:38) 30.02 in (21:15) 30.11 in
Precipitation Total: 0.530 in
Max Rate: 3.130 in/hr (18:43)
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 5/24/2025  HighLowAverage
Temperature 66.7 °F (15:44) 53.8 °F (8:39) 60.5 °F
Dew Point 61.6 °F (18:43) 49.1 °F (0:06) 55.6 °F
Humidity 96 % (21:36) 64 % (0:04) 84 %
Wind Speed 1.01 mph North (8:21) - -
Wind Gust 5.01 mph South (15:56) - -
Wind - - Southwest
Pressure 30.19 in (10:07) 30.09 in (20:13) 30.13 in
Precipitation Total: 0.280 in
Max Rate: 2.450 in/hr (7:59)
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 5/23/2025  HighLowAverage
Temperature 77.4 °F (15:21) 56.7 °F (7:21) 66.7 °F
Dew Point 53.7 °F (15:03) 46.5 °F (16:03) 49.3 °F
Humidity 75 % (7:08) 35 % (16:03) 54.5 %
Wind Speed 1.01 mph Northeast (0:43) - -
Wind Gust 8.01 mph North (17:13) - -
Wind - - Southwest
Pressure 30.11 in (10:30) 29.99 in (3:32) 30.05 in
Precipitation Total: 0.000 in - -
 
 5/22/2025  HighLowAverage
Temperature 80.2 °F (15:58) 57.2 °F (5:38) 68.7 °F
Dew Point 58.1 °F (9:19) 46.3 °F (14:52) 52.8 °F
Humidity 87 % (5:53) 33 % (15:19) 59.3 %
Wind Speed 1.01 mph Northwest (11:05) - -
Wind Gust 10.00 mph Northwest (15:18) - -
Wind - - West
Pressure 30.03 in (11:11) 29.93 in (4:34) 29.97 in
Precipitation Total: 0.000 in - -
 
 5/21/2025  HighLowAverage
Temperature 80.2 °F (16:07) 64.9 °F (6:59) 71.4 °F
Dew Point 67.7 °F (8:31) 47.3 °F (20:17) 58.5 °F
Humidity 98 % (7:31) 35 % (18:12) 68 %
Wind Speed 4.00 mph Southwest (3:38) - -
Wind Gust 10.00 mph North (15:17) - -
Wind - - Southwest
Pressure 29.96 in (23:11) 29.78 in (4:16) 29.86 in
Precipitation Total: 0.010 in - -
 
 5/20/2025  HighLowAverage
Temperature 83.7 °F (14:07) 68.9 °F (23:59) 76 °F
Dew Point 71.7 °F (11:00) 67.1 °F (23:46) 69.1 °F
Humidity 96 % (7:28) 60 % (14:14) 80.4 %
Wind Speed 5.99 mph Southwest (12:34) - -
Wind Gust 18.99 mph Southwest (11:55) - -
Wind - - Southwest
Pressure 29.90 in (8:24) 29.74 in (21:34) 29.83 in
Precipitation Total: 0.460 in
Max Rate: 4.110 in/hr (21:53)
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 5/19/2025  HighLowAverage
Temperature 82.6 °F (17:18) 67.8 °F (7:20) 74.2 °F
Dew Point 72.6 °F (17:35) 66.3 °F (7:02) 69 °F
Humidity 98 % (7:39) 67 % (15:33) 84.3 %
Wind Speed 1.01 mph North (14:15) - -
Wind Gust 8.01 mph South (14:14) - -
Wind - - South
Pressure 30.01 in (12:54) 29.87 in (23:59) 29.93 in
Precipitation Total: 0.090 in
Max Rate: 0.120 in/hr (7:28)
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 5/18/2025  HighLowAverage
Temperature 82.8 °F (14:33) 65.1 °F (7:21) 72.9 °F
Dew Point 69.4 °F (14:42) 60.2 °F (0:43) 65.2 °F
Humidity 93 % (7:29) 59 % (13:59) 77.4 %
Wind Speed 0.00 mph Southwest (0:00) - -
Wind Gust 5.01 mph South (14:35) - -
Wind - - Southwest
Pressure 30.01 in (10:03) 29.90 in (17:39) 29.94 in
Precipitation Total: 0.000 in - -
 
 5/17/2025  HighLowAverage
Temperature 87.6 °F (15:47) 63.9 °F (7:12) 75.6 °F
Dew Point 70.7 °F (4:08) 54.4 °F (14:29) 64.4 °F
Humidity 98 % (8:20) 35 % (14:29) 71 %
Wind Speed 4.00 mph Southeast (5:11) - -
Wind Gust 17.00 mph North (5:07) - -
Wind - - Southwest
Pressure 29.93 in (11:34) 29.80 in (4:16) 29.88 in
Precipitation Total: 0.390 in
Max Rate: 3.560 in/hr (5:41)
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 5/16/2025  HighLowAverage
Temperature 82.2 °F (14:57) 72.7 °F (7:48) 76.8 °F
Dew Point 73.7 °F (13:00) 68.0 °F (0:35) 70.3 °F
Humidity 90 % (7:27) 67 % (16:43) 80.7 %
Wind Speed 1.99 mph Southwest (14:32) - -
Wind Gust 11.01 mph Southwest (12:43) - -
Wind - - Southwest
Pressure 29.94 in (12:34) 29.82 in (21:42) 29.88 in
Precipitation Total: 0.000 in - -
 
 5/15/2025  HighLowAverage
Temperature 81.7 °F (16:09) 66.9 °F (7:26) 74.3 °F
Dew Point 71.9 °F (18:41) 63.9 °F (6:49) 67 °F
Humidity 92 % (7:09) 64 % (21:45) 78.3 %
Wind Speed 4.00 mph South (15:06) - -
Wind Gust 11.99 mph Southwest (16:12) - -
Wind - - South
Pressure 29.93 in (23:06) 29.82 in (17:02) 29.86 in
Precipitation Total: 0.000 in - -
 
 5/14/2025  HighLowAverage
Temperature 80.4 °F (16:57) 61.9 °F (3:37) 69.9 °F
Dew Point 70.2 °F (14:34) 60.6 °F (1:08) 64.1 °F
Humidity 99 % (9:25) 58 % (17:23) 83.4 %
Wind Speed 1.99 mph Southwest (15:02) - -
Wind Gust 13.00 mph South (16:46) - -
Wind - - South
Pressure 29.89 in (9:23) 29.77 in (20:09) 29.83 in
Precipitation Total: 0.120 in
Max Rate: 0.960 in/hr (7:47)
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 5/13/2025  HighLowAverage
Temperature 72.9 °F (15:51) 61.3 °F (7:15) 65.5 °F
Dew Point 65.7 °F (14:11) 60.5 °F (0:27) 62.3 °F
Humidity 99 % (6:48) 71 % (16:03) 89.8 %
Wind Speed 1.99 mph Southwest (12:36) - -
Wind Gust 11.99 mph Southwest (12:30) - -
Wind - - Southwest
Pressure 29.89 in (0:43) 29.80 in (21:26) 29.83 in
Precipitation Total: 0.330 in
Max Rate: 1.040 in/hr (16:21)
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 5/12/2025  HighLowAverage
Temperature 78.4 °F (15:33) 61.3 °F (23:24) 66.6 °F
Dew Point 67.2 °F (15:55) 60.1 °F (7:42) 62.8 °F
Humidity 98 % (9:02) 62 % (15:34) 88.3 %
Wind Speed 3.00 mph Southwest (7:25) - -
Wind Gust 11.99 mph South (7:16) - -
Wind - - South
Pressure 30.06 in (0:00) 29.82 in (20:09) 29.92 in
Precipitation Total: 1.010 in
Max Rate: 4.470 in/hr (7:27)
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 5/11/2025  HighLowAverage
Temperature 76.3 °F (15:04) 57.0 °F (0:24) 64.7 °F
Dew Point 67.4 °F (15:04) 55.6 °F (0:08) 60.9 °F
Humidity 99 % (7:35) 70 % (15:14) 88.1 %
Wind Speed 3.00 mph South (18:33) - -
Wind Gust 18.01 mph South (18:27) - -
Wind - - Southeast
Pressure 30.12 in (8:25) 30.05 in (23:36) 30.08 in
Precipitation Total: 0.970 in
Max Rate: 1.560 in/hr (3:09)
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 5/10/2025  HighLowAverage
Temperature 64.8 °F (0:00) 56.8 °F (22:59) 59.8 °F
Dew Point 59.0 °F (16:17) 46.4 °F (7:26) 53 °F
Humidity 96 % (20:19) 63 % (4:26) 79.1 %
Wind Speed 3.00 mph South (0:59) - -
Wind Gust 11.99 mph Northeast (1:33) - -
Wind - - South
Pressure 30.11 in (11:36) 30.00 in (6:20) 30.06 in
Precipitation Total: 0.311 in
Max Rate: 0.570 in/hr (20:14)
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 5/9/2025  HighLowAverage
Temperature 73.9 °F (15:51) 55.9 °F (6:12) 65.4 °F
Dew Point 63.0 °F (9:35) 55.1 °F (6:12) 59.3 °F
Humidity 99 % (8:00) 62 % (17:46) 81.8 %
Wind Speed 3.00 mph Northwest (12:43) - -
Wind Gust 11.01 mph Northwest (12:34) - -
Wind - - Southwest
Pressure 30.04 in (23:18) 29.90 in (3:58) 29.97 in
Precipitation Total: 0.009 in - -
 
 5/8/2025  HighLowAverage
Temperature 81.5 °F (16:23) 60.1 °F (1:28) 68.7 °F
Dew Point 67.6 °F (15:45) 58.9 °F (1:28) 62.8 °F
Humidity 97 % (2:20) 59 % (16:43) 83 %
Wind Speed 1.99 mph South (22:54) - -
Wind Gust 10.00 mph West (18:36) - -
Wind - - South
Pressure 30.06 in (7:44) 29.88 in (20:00) 29.98 in
Precipitation Total: 0.291 in
Max Rate: 2.550 in/hr (22:27)
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 5/7/2025  HighLowAverage
Temperature 64.2 °F (0:00) 56.8 °F (7:22) 61.1 °F
Dew Point 60.4 °F (20:33) 53.0 °F (3:53) 57.4 °F
Humidity 96 % (22:49) 68 % (0:02) 87.9 %
Wind Speed 1.01 mph Southwest (6:53) - -
Wind Gust 8.01 mph Southwest (6:52) - -
Wind - - South
Pressure 30.09 in (11:48) 30.00 in (19:06) 30.04 in
Precipitation Total: 0.019 in - -
 
 5/6/2025  HighLowAverage
Temperature 77.0 °F (17:25) 50.0 °F (5:02) 63.3 °F
Dew Point 56.8 °F (10:23) 48.3 °F (4:57) 52 °F
Humidity 97 % (7:29) 42 % (17:29) 69.6 %
Wind Speed 1.01 mph West (13:39) - -
Wind Gust 5.01 mph Northeast (14:06) - -
Wind - - Southwest
Pressure 30.11 in (9:21) 30.00 in (2:44) 30.04 in
Precipitation Total: 0.000 in - -
 
 5/5/2025  HighLowAverage
Temperature 67.5 °F (16:11) 50.9 °F (7:24) 57.4 °F
Dew Point 53.4 °F (10:27) 47.5 °F (13:54) 50.7 °F
Humidity 99 % (9:49) 53 % (16:16) 80.2 %
Wind Speed 1.99 mph South (13:39) - -
Wind Gust 7.00 mph South (12:10) - -
Wind - - West
Pressure 30.01 in (23:26) 29.88 in (5:38) 29.95 in
Precipitation Total: 0.010 in - -
 
 5/4/2025  HighLowAverage
Temperature 66.4 °F (15:20) 49.6 °F (5:17) 55.5 °F
Dew Point 55.7 °F (11:25) 48.5 °F (15:05) 50.9 °F
Humidity 99 % (0:49) 56 % (15:30) 85.7 %
Wind Speed 1.99 mph Southwest (8:39) - -
Wind Gust 11.01 mph Southwest (14:51) - -
Wind - - Southwest
Pressure 29.92 in (22:41) 29.81 in (5:35) 29.85 in
Precipitation Total: 0.091 in
Max Rate: 0.230 in/hr (22:04)
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 5/3/2025  HighLowAverage
Temperature 64.0 °F (16:38) 52.7 °F (23:59) 58.5 °F
Dew Point 62.3 °F (16:40) 51.9 °F (23:59) 57.5 °F
Humidity 97 % (0:00) 89 % (17:24) 96.3 %
Wind Speed 7.00 mph Northwest (17:31) - -
Wind Gust 11.99 mph Northwest (17:30) - -
Wind - - South
Pressure 29.97 in (0:33) 29.77 in (19:49) 29.86 in
Precipitation Total: 0.909 in
Max Rate: 3.060 in/hr (17:39)
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 5/2/2025  HighLowAverage
Temperature 79.3 °F (14:03) 59.5 °F (23:59) 65.9 °F
Dew Point 70.7 °F (15:10) 58.5 °F (19:06) 63.2 °F
Humidity 98 % (8:13) 67 % (14:05) 91.3 %
Wind Speed 8.01 mph Northwest (18:33) - -
Wind Gust 18.99 mph Southwest (16:09) - -
Wind - - Southwest
Pressure 30.02 in (10:29) 29.89 in (17:52) 29.97 in
Precipitation Total: 2.030 in
Max Rate: 6.000 in/hr (18:52)
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 5/1/2025  HighLowAverage
Temperature 76.6 °F (17:13) 63.7 °F (21:16) 69.4 °F
Dew Point 67.4 °F (10:08) 60.7 °F (19:38) 64.2 °F
Humidity 96 % (8:05) 67 % (14:07) 84.3 %
Wind Speed 7.00 mph Southwest (19:28) - -
Wind Gust 21.99 mph West (19:24) - -
Wind - - South
Pressure 30.05 in (8:15) 29.92 in (18:48) 30 in
Precipitation Total: 0.210 in
Max Rate: 2.140 in/hr (19:27)
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