MONTHLY CLIMATOLOGICAL SUMMARY for Dec 2025 NAME: Grand Junction, Colorado ELEV: 4646 feet LAT: 39-06.74 N LONG: 108-34.59 W TEMPERATURE (°F), RAIN (in), WIND SPEED (mph) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR --------------------------------------------------------------------------------------- 01 32.4 39.3 15:45 23.1 07:38 32.6 0.0 0.00 2.4 15.0 23:42 124 02 30.6 32.8 14:45 28.4 04:46 34.4 0.0 0.01 3.6 18.0 00:35 128 03 32.7 37.7 15:38 29.7 03:55 32.3 0.0 0.06 0.9 8.0 19:57 326 04 30.2 41.1 14:30 20.4 06:54 34.8 0.0 0.00 0.6 7.0 09:50 28 05 34.4 38.4 14:22 31.1 04:45 30.6 0.0 0.00 1.8 12.0 05:47 144 06 36.7 47.0 15:16 28.9 23:16 28.3 0.0 0.00 0.5 8.0 11:48 84 07 34.3 47.6 15:53 23.5 06:42 30.7 0.0 0.00 0.8 14.0 23:31 246 08 38.1 51.6 15:50 28.7 07:10 26.9 0.0 0.00 1.3 10.0 11:27 153 09 36.4 49.5 13:55 28.0 04:45 28.6 0.0 0.00 0.6 10.0 10:50 176 10 37.4 51.9 14:26 27.4 06:12 27.6 0.0 0.00 0.7 9.0 14:37 269 11 38.8 56.0 14:37 25.9 06:23 26.2 0.0 0.00 0.7 9.0 11:43 194 12 38.8 56.3 15:13 26.7 05:35 26.2 0.0 0.00 0.9 12.0 10:35 154 13 37.0 56.3 16:19 23.2 07:47 28.0 0.0 0.00 0.7 13.0 10:02 163 14 37.5 54.3 14:57 24.0 07:09 27.5 0.0 0.00 0.9 12.0 02:03 121 15 36.6 54.2 14:44 26.5 01:13 28.4 0.0 0.00 0.9 10.0 10:27 170 16 30.5 51.9 14:44 25.2 03:23 34.5 0.0 0.00 0.7 9.0 04:37 110 17 34.5 50.6 15:49 23.3 07:25 30.5 0.0 0.00 0.9 9.0 14:19 328 18 40.8 51.0 14:54 28.8 07:30 24.2 0.0 0.00 2.3 11.0 00:14 239 19 35.1 52.1 16:04 26.7 07:34 29.9 0.0 0.00 0.4 5.0 12:54 318 20 42.8 54.7 15:10 33.6 07:59 22.2 0.0 0.00 0.5 4.0 02:09 275 21 40.7 57.8 16:20 29.4 05:34 24.3 0.0 0.00 0.7 5.0 09:34 278 22 42.6 63.5 15:24 29.8 07:14 22.4 0.0 0.00 0.8 7.0 11:39 296 23 40.1 52.0 16:39 31.5 05:44 24.9 0.0 0.00 0.7 7.0 10:04 272 24 53.1 66.0 14:46 37.9 08:00 11.9 0.0 0.00 2.5 15.0 12:26 166 25 54.3 61.6 13:53 40.0 23:57 10.7 0.0 0.01 2.6 18.0 00:23 60 26 45.0 59.7 13:32 33.8 07:48 20.0 0.0 0.00 0.9 11.0 13:40 269 27 40.0 49.7 14:46 32.1 06:25 25.0 0.0 0.01 1.9 19.0 11:28 314 28 32.3 40.9 14:43 21.5 23:45 32.7 0.0 0.00 1.8 19.0 06:03 320 29 29.8 44.6 15:40 20.7 06:16 35.2 0.0 0.00 2.1 16.0 10:01 159 30 31.3 48.8 14:33 19.3 07:45 33.7 0.0 0.00 1.0 11.0 09:34 148 31 32.9 49.9 14:08 19.6 06:06 32.1 0.0 0.00 0.9 9.0 10:10 189 --------------------------------------------------------------------------------------- 37.0 66.0 24 19.3 30 857.4 0.0 0.09 1.3 19.0 27 149