MONTHLY CLIMATOLOGICAL SUMMARY for Sep 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 74.9 93.9 17:05 59.3 07:02 0.0 9.9 0.00 1.5 12.0 04:12 131 02 75.6 94.4 16:09 59.8 01:19 0.0 10.6 0.00 1.4 12.0 05:16 133 03 76.0 94.9 16:14 61.2 06:50 0.0 11.0 0.00 1.5 12.0 09:08 103 04 70.2 87.2 14:45 58.8 05:32 0.0 5.2 0.01 1.7 20.0 17:54 189 05 71.5 84.9 15:51 61.1 07:16 0.0 6.5 0.00 1.2 13.0 11:47 127 06 71.1 82.0 14:03 61.2 07:05 0.0 6.1 0.00 3.3 15.0 14:33 101 07 71.7 87.9 17:26 60.7 07:25 0.0 6.7 0.00 2.3 14.0 07:12 115 08 73.6 89.8 16:57 60.9 07:35 0.0 8.6 0.00 1.8 14.0 15:42 63 09 72.3 85.6 14:17 61.5 06:27 0.0 7.3 0.04 1.8 17.0 02:36 95 10 77.8 91.0 17:27 64.7 00:12 0.0 12.8 0.00 5.1 31.0 22:50 145 11 77.3 87.7 15:04 70.3 21:20 0.0 12.3 0.00 5.1 24.0 11:25 145 12 67.2 75.5 12:19 57.7 23:33 0.0 2.2 0.00 4.9 31.0 15:06 128 13 59.7 71.2 12:00 49.5 23:59 5.3 0.0 0.11 3.2 21.0 14:24 111 14 58.9 75.3 17:46 44.5 06:07 6.1 0.0 0.01 1.2 12.0 10:11 114 15 67.6 83.1 15:50 54.7 00:00 0.0 2.6 0.00 2.9 16.0 06:05 91 16 69.7 86.2 16:41 57.3 06:30 0.0 4.7 0.00 2.0 21.0 18:04 70 17 64.8 80.3 16:12 49.1 06:41 0.2 0.0 0.00 1.7 14.0 14:46 334 18 64.1 81.7 16:43 48.5 07:04 0.9 0.0 0.00 1.3 12.0 10:07 146 19 64.3 78.1 17:43 53.2 06:39 0.7 0.0 0.00 1.5 13.0 10:11 132 20 66.4 79.6 14:46 53.3 05:32 0.0 1.4 0.00 1.7 15.0 14:53 142 21 70.2 85.3 18:44 58.3 07:28 0.0 5.2 0.00 2.0 15.0 09:13 111 22 66.9 82.3 14:54 54.8 07:13 0.0 1.9 0.00 1.8 27.0 17:43 328 23 59.3 70.6 16:06 47.3 07:24 5.7 0.0 0.00 1.4 14.0 12:28 320 24 60.9 78.4 17:39 45.9 06:30 4.1 0.0 0.00 1.2 13.0 09:28 135 25 64.1 82.9 17:35 50.8 05:42 0.9 0.0 0.00 1.2 11.0 08:45 118 26 64.2 84.5 17:28 46.9 05:06 0.8 0.0 0.00 0.5 8.0 07:01 30 27 66.4 83.5 14:45 52.1 07:11 0.0 1.4 0.00 1.5 14.0 17:48 9 28 64.0 76.3 14:50 55.3 23:56 1.0 0.0 0.20 1.6 12.0 01:19 7 29 62.2 77.9 18:19 50.2 07:08 2.8 0.0 0.00 1.0 13.0 08:47 114 30 67.0 79.2 17:37 57.4 00:00 0.0 2.0 0.00 2.7 19.0 20:38 70 --------------------------------------------------------------------------------------- 68.0 94.9 03 44.5 14 28.6 118.4 0.37 2.1 31.0 10 120