Monthly Statistics in Chattanooga, TN for 2025

 2025  HighLowAverage
Temperature 96.1 °F (6/24-17:49) 10.0 °F (1/22-8:04) 60.6 °F
Dew Point 80.1 °F (6/25-11:56) -1.2 °F (1/20-14:07) 50.5 °F
Humidity 99 % (2/12-18:42) 15 % (4/15-14:59) 72.1 %
Wind Speed 127.51 mph Southwest (9/1-9:21) - -
Wind Gust 37.00 mph Southwest (3/5-0:32) - -
Wind - - Southwest
Pressure 31.50 in (12/14-23:18) 29.41 in (2/16-5:07) 30.18 in
Precipitation Total: 44.470 in
Max Rate: 6.700 in/hr (3/5-0:25)
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 December 2025  HighLowAverage
Temperature 75.6 °F (27-15:03) 14.5 °F (15-7:56) 45.1 °F
Dew Point 63.6 °F (28-11:34) 4.9 °F (15-2:16) 34.7 °F
Humidity 98 % (7-9:29) 18 % (21-15:42) 70.1 %
Wind Speed 7.00 mph Southeast (18-18:22) - -
Wind Gust 14.00 mph Southeast (18-22:06) - -
Wind - - Southwest
Pressure 31.50 in (14-23:18) 30.53 in (18-21:38) 31.05 in
Precipitation Total: 1.730 in
Max Rate: 4.060 in/hr (18-22:55)
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 November 2025  HighLowAverage
Temperature 50.0 °F (27-15:13) 27.1 °F (29-7:34) 39.4 °F
Dew Point 42.4 °F (30-16:36) 16.0 °F (28-16:25) 25.8 °F
Humidity 95 % (30-13:15) 29 % (27-15:32) 62 %
Wind Speed 5.50 mph Southeast (29-14:49) - -
Wind Gust 15.99 mph Southeast (29-11:08) - -
Wind - - Southwest
Pressure 31.39 in (28-9:30) 31.15 in (30-15:32) 31.26 in
Precipitation Total: 0.120 in
Max Rate: 0.310 in/hr (30-11:48)
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 September 2025  HighLowAverage
Temperature 69.1 °F (1-0:00) 65.7 °F (1-5:45) 67 °F
Dew Point 64.4 °F (1-0:05) 62.5 °F (1-9:13) 63.6 °F
Humidity 93 % (1-5:23) 81 % (1-9:13) 88.7 %
Wind Speed 127.51 mph Southwest (1-9:21) - -
Wind Gust 3.00 mph Southwest (1-9:07) - -
Wind - - South
Pressure 30.15 in (1-7:59) 30.09 in (1-3:35) 30.11 in
Precipitation Total: 0.000 in - -
 
 August 2025  HighLowAverage
Temperature 93.4 °F (16-16:11) 56.8 °F (27-7:41) 74.7 °F
Dew Point 78.8 °F (16-15:31) 51.2 °F (27-16:43) 67.7 °F
Humidity 99 % (14-9:32) 38 % (30-16:09) 80.2 %
Wind Speed 8.01 mph South (15-15:54) - -
Wind Gust 28.99 mph Southwest (20-16:11) - -
Wind - - South
Pressure 30.28 in (6-10:08) 29.85 in (21-19:07) 30.06 in
Precipitation Total: 5.350 in
Max Rate: 6.060 in/hr (12-16:28)
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 July 2025  HighLowAverage
Temperature 95.7 °F (28-15:46) 70.2 °F (3-6:42) 80.2 °F
Dew Point 78.9 °F (21-13:09) 59.9 °F (5-16:59) 72.2 °F
Humidity 98 % (10-8:19) 34 % (5-16:59) 78.2 %
Wind Speed 10.50 mph North (31-14:21) - -
Wind Gust 21.99 mph Northwest (21-14:28) - -
Wind - - Southwest
Pressure 30.19 in (24-8:23) 29.88 in (1-19:03) 30.05 in
Precipitation Total: 5.520 in
Max Rate: 5.430 in/hr (30-21:56)
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 June 2025  HighLowAverage
Temperature 96.1 °F (24-17:49) 60.1 °F (1-6:51) 75.8 °F
Dew Point 80.1 °F (25-11:56) 56.0 °F (11-15:44) 69 °F
Humidity 99 % (10-3:31) 38 % (11-15:44) 81.2 %
Wind Speed 10.00 mph North (27-18:16) - -
Wind Gust 25.01 mph Southwest (17-17:21) - -
Wind - - South
Pressure 30.26 in (23-10:46) 29.79 in (8-5:02) 30.04 in
Precipitation Total: 3.950 in
Max Rate: 5.820 in/hr (9-18:28)
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 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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 April 2025  HighLowAverage
Temperature 86.0 °F (4-16:32) 37.0 °F (9-7:48) 64.2 °F
Dew Point 69.8 °F (30-10:50) 16.4 °F (15-14:44) 52.4 °F
Humidity 99 % (6-23:54) 15 % (15-14:59) 68.9 %
Wind Speed 14.00 mph Northwest (6-3:27) - -
Wind Gust 24.00 mph North (15-7:16) - -
Wind - - Southwest
Pressure 30.25 in (20-10:47) 29.69 in (7-3:59) 30.06 in
Precipitation Total: 4.850 in
Max Rate: 3.560 in/hr (23-16:03)
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 March 2025  HighLowAverage
Temperature 79.3 °F (28-16:33) 28.4 °F (2-7:59) 56.7 °F
Dew Point 64.8 °F (30-19:11) 7.6 °F (2-15:05) 38 °F
Humidity 98 % (31-13:53) 15 % (10-18:44) 53.1 %
Wind Speed 15.01 mph South (5-0:02) - -
Wind Gust 37.00 mph Southwest (5-0:32) - -
Wind - - Southwest
Pressure 30.35 in (27-10:35) 29.45 in (4-23:59) 29.96 in
Precipitation Total: 4.990 in
Max Rate: 6.700 in/hr (5-0:25)
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 February 2025  HighLowAverage
Temperature 76.5 °F (26-16:39) 16.2 °F (21-6:49) 47.5 °F
Dew Point 63.0 °F (6-0:41) 8.8 °F (21-4:35) 36.6 °F
Humidity 99 % (12-18:42) 20 % (25-17:02) 69.2 %
Wind Speed 11.99 mph South (16-0:54) - -
Wind Gust 24.00 mph Southwest (16-7:24) - -
Wind - - South
Pressure 30.55 in (14-9:25) 29.41 in (16-5:07) 30.11 in
Precipitation Total: 4.211 in
Max Rate: 5.820 in/hr (16-3:12)
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 January 2025  HighLowAverage
Temperature 64.6 °F (29-16:05) 10.0 °F (22-8:04) 36.2 °F
Dew Point 58.3 °F (31-11:07) -1.2 °F (20-14:07) 25.2 °F
Humidity 97 % (5-19:18) 31 % (30-14:51) 66.7 %
Wind Speed 13.50 mph Northwest (6-19:26) - -
Wind Gust 25.01 mph South (5-22:21) - -
Wind - - Southwest
Pressure 30.54 in (21-0:53) 29.65 in (6-5:34) 30.16 in
Precipitation Total: 3.009 in
Max Rate: 0.630 in/hr (6-3:02)
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