Monthly Temperatures in Chattanooga, TN for December 2025

Cumulative for December

Daily Average Temperature for Month

Day Outside Dining Room Garage Family room Bedroom 1 Bedroom 2 Bedroom 3 Sunroom Servers 1 39.63750 70.60521 62.40257 73.18146 70.87667 68.36278 71.26229 42.22639 70.68069 2 39.35181 70.73410 62.80611 72.85243 70.77167 68.25049 71.81347 42.22722 70.74181 3 36.27000 70.16833 60.81396 71.78167 70.09625 68.17993 70.84458 40.22188 70.80132 4 36.86313 70.28639 61.32382 72.12083 70.66958 68.44764 70.83181 39.69521 70.74319 5 40.71639 70.50632 61.97236 72.15431 70.79285 68.67354 71.20736 43.71097 70.46813 6 40.99063 70.66986 61.41750 71.93007 70.14826 68.95799 71.39507 44.06854 70.52674 7 37.55535 70.35618 59.90743 71.87174 70.28347 69.35986 70.66931 40.88396 70.77292 8 41.22222 70.35813 61.60326 71.98444 70.27958 69.12417 71.06229 44.28529 70.69035 9 38.54576 70.39271 60.90903 72.05208 70.34215 69.84104 71.01181 41.57011 70.66861 10 43.64785 70.59306 62.28944 72.30299 70.70806 69.62660 71.30472 45.61167 70.59396 11 39.93250 70.31664 61.43713 71.94783 70.49601 70.11727 71.11161 43.40175 70.97639 12 46.26083 70.67431 63.08389 71.61910 70.44243 70.24729 71.80188 48.89785 71.16965

Daily Minimum Temperature for the Month

Day Outside Dining Room Garage Family room Bedroom 1 Bedroom 2 Bedroom 3 Sunroom Servers 1 31.5 (07:55) 66.9 (06:12) 59.2 (12:21) 70.9 (00:38) 67.5 (01:25) 64.8 (06:14) 68.0 (06:14) 34.0 (08:02) 70.2 (19:32) 2 32.9 (23:59) 68.2 (23:59) 60.3 (23:59) 70.9 (22:41) 67.6 (22:42) 65.7 (23:59) 69.4 (23:59) 36.0 (23:59) 70.2 (14:24) 3 32.4 (01:34) 67.5 (23:59) 59.4 (10:42) 70.0 (23:59) 66.2 (23:59) 64.4 (23:59) 68.4 (06:21) 35.1 (08:57) 70.2 (09:18) 4 30.4 (05:36) 67.3 (00:08) 59.4 (06:19) 70.0 (00:08) 66.2 (00:07) 64.4 (00:10) 68.4 (06:09) 33.3 (06:00) 70.2 (04:13) 5 38.1 (06:19) 68.5 (06:18) 59.4 (10:48) 70.2 (01:34) 67.6 (00:05) 65.7 (00:08) 69.1 (06:02) 40.3 (06:11) 70.0 (22:10) 6 34.3 (23:05) 68.2 (05:52) 56.7 (10:07) 70.3 (00:41) 66.9 (23:13) 65.7 (23:13) 69.3 (06:25) 37.2 (23:23) 70.0 (06:36) 7 30.7 (07:52) 67.6 (06:25) 53.6 (13:05) 70.3 (23:59) 67.5 (03:02) 65.8 (23:59) 68.0 (06:26) 33.1 (07:53) 70.2 (19:22) 8 36.3 (23:59) 68.2 (06:11) 59.4 (13:54) 70.0 (00:19) 67.5 (23:34) 65.5 (23:33) 68.9 (06:09) 39.4 (23:59) 70.2 (22:34) 9 27.9 (08:02) 68.0 (06:21) 59.0 (06:03) 70.2 (23:41) 67.3 (23:40) 65.7 (23:42) 68.4 (06:23) 31.6 (08:07) 70.2 (19:39) 10 36.0 (07:33) 68.2 (06:15) 59.4 (06:13) 70.7 (23:59) 68.2 (00:15) 66.2 (00:15) 68.5 (06:14) 37.8 (07:33) 70.0 (16:43) 11 31.8 (08:16) 68.0 (05:56) 58.6 (08:07) 70.2 (23:59) 67.5 (23:59) 66.2 (23:59) 68.4 (06:20) 34.9 (08:13) 70.2 (04:16) 12 33.1 (03:48) 68.2 (06:07) 59.2 (03:54) 70.2 (00:08) 67.5 (00:06) 66.2 (00:07) 68.4 (06:10) 36.5 (04:03) 70.7 (22:15)

Daily Maximum Temperature for the Month

Day Outside Dining Room Garage Family room Bedroom 1 Bedroom 2 Bedroom 3 Sunroom Servers 1 48.7 (18:41) 73.8 (19:16) 66.2 (16:45) 77.2 (09:58) 77.5 (07:28) 71.1 (13:09) 74.3 (19:18) 50.9 (16:24) 71.4 (03:57) 2 43.3 (09:01) 73.6 (14:33) 65.8 (16:55) 75.7 (14:33) 77.5 (07:25) 71.4 (07:26) 73.9 (14:34) 45.9 (08:54) 71.4 (03:04) 3 44.4 (15:03) 72.9 (18:31) 63.1 (07:32) 74.7 (07:30) 78.1 (07:35) 72.9 (07:34) 73.6 (18:37) 53.1 (14:39) 71.6 (16:49) 4 42.6 (15:30) 72.5 (18:18) 63.9 (14:53) 74.7 (11:15) 76.5 (07:26) 72.0 (11:40) 73.0 (18:17) 45.7 (15:49) 71.8 (07:33) 5 43.7 (15:29) 72.7 (19:09) 64.8 (19:08) 73.8 (07:20) 76.3 (07:23) 71.8 (07:24) 73.4 (17:02) 46.8 (15:57) 71.4 (19:15) 6 46.4 (15:45) 72.9 (14:36) 63.9 (08:05) 74.3 (08:03) 76.6 (08:05) 73.8 (08:03) 73.4 (14:37) 50.4 (13:26) 71.2 (17:14) 7 49.1 (16:19) 72.9 (17:53) 63.0 (07:17) 74.3 (07:48) 75.9 (07:49) 74.3 (07:50) 73.4 (17:02) 52.7 (16:16) 71.8 (07:55) 8 45.9 (15:18) 72.5 (19:11) 65.5 (13:03) 74.3 (07:41) 75.7 (07:43) 73.8 (07:43) 73.4 (17:10) 50.4 (15:10) 71.4 (01:50) 9 48.7 (15:16) 72.9 (19:19) 63.0 (14:11) 74.7 (07:59) 76.5 (07:38) 73.8 (08:02) 73.9 (17:15) 52.2 (14:49) 71.4 (07:13) 10 54.7 (13:31) 72.9 (13:29) 66.4 (15:39) 75.6 (11:33) 77.0 (07:28) 75.4 (11:33) 73.8 (13:27) 57.6 (13:30) 71.8 (07:23) 11 48.9 (15:07) 72.5 (18:36) 63.0 (00:53) 74.7 (07:30) 77.2 (07:31) 73.8 (07:31) 73.8 (16:09) 55.4 (14:47) 72.1 (14:57) 12 60.8 (15:17) 73.0 (19:07) 68.0 (13:43) 74.3 (07:24) 76.5 (07:24) 73.8 (07:26) 74.8 (18:54) 66.6 (14:16) 72.0 (00:23)