MONTHLY CLIMATOLOGICAL SUMMARY for Dec 2025 NAME: Groenkloof Weather, Pretoria, South Africa ELEV: 1442 meters LAT: 25-46.70 S LONG: 028-13.02 E TEMPERATURE (°C), RAIN (mm), WIND SPEED (km/h) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR --------------------------------------------------------------------------------------- 01 17.2 25.8 14:55 12.9 00:51 1.1 0.0 14.2 5.7 91.7 16:35 265 02 18.0 26.3 13:41 12.8 04:56 0.4 0.0 18.6 4.0 49.9 17:34 121 03 18.7 25.1 13:01 13.3 02:01 0.0 0.3 2.8 4.1 25.7 12:47 18 04 17.8 22.3 16:00 14.9 05:24 0.5 0.0 0.0 5.0 24.1 10:06 320 05 19.9 26.3 14:48 13.7 04:25 0.0 1.6 0.0 4.5 25.7 12:06 302 06 21.9 28.9 13:43 15.7 04:50 0.0 3.6 0.0 3.5 22.5 13:44 169 07 20.4 28.1 15:25 15.1 23:58 0.0 2.0 2.8 5.5 48.3 17:31 338 08 19.5 26.8 13:46 13.7 05:18 0.0 1.2 0.2 4.0 33.8 14:25 163 09 20.7 30.7 13:24 15.1 04:35 0.0 2.3 11.6 6.6 33.8 13:51 134 10 21.1 29.8 12:50 15.8 22:57 0.0 2.8 4.4 4.7 32.2 16:12 355 11 19.2 24.3 16:16 15.6 05:38 0.0 0.9 0.0 5.5 25.7 07:09 315 12 20.2 26.2 16:31 15.2 05:45 0.0 1.9 0.0 5.1 24.1 07:22 301 13 17.6 19.1 00:08 16.2 07:48 0.7 0.0 18.8 1.6 20.9 14:30 280 14 17.9 21.0 13:19 16.4 23:54 0.4 0.0 13.6 3.1 22.5 10:48 345 15 20.4 26.8 15:36 15.6 03:24 0.0 2.1 0.0 2.2 17.7 12:20 309 16 22.1 27.6 14:52 16.6 05:17 0.0 3.8 0.0 2.9 22.5 15:12 300 17 21.2 27.9 15:13 17.0 16:56 0.0 2.9 33.6 2.7 30.6 16:18 212 18 20.3 26.8 14:11 17.6 04:56 0.0 2.0 0.0 3.1 27.4 15:40 18 19 21.2 27.7 17:51 17.0 04:57 0.0 2.9 0.0 2.7 20.9 00:33 358 20 21.9 26.9 13:54 17.0 04:32 0.0 3.5 0.0 2.9 22.5 12:54 317 21 18.2 20.7 15:37 15.7 07:52 0.1 0.0 49.2 2.6 22.5 03:09 336 22 17.8 21.8 15:03 16.2 03:21 0.5 0.0 15.0 2.9 19.3 06:40 337 23 20.6 27.9 18:05 15.8 05:11 0.0 2.3 0.0 2.0 16.1 07:20 309 24 20.1 26.3 12:01 17.9 02:59 0.0 1.8 1.8 2.9 17.7 09:35 352 25 21.7 28.6 16:15 17.7 02:48 0.0 3.4 0.0 2.4 27.4 07:53 42 26 20.4 27.8 13:22 16.2 23:35 0.0 2.1 20.0 3.7 41.8 14:36 160 27 20.5 28.1 16:25 15.9 01:48 0.0 2.2 4.6 5.3 46.7 18:13 224 28 19.2 24.4 14:22 15.2 01:32 0.0 0.9 2.2 3.5 27.4 07:54 261 29 22.0 29.9 14:14 15.7 03:02 0.0 3.6 0.0 2.2 25.7 21:59 8 30 20.9 28.2 16:11 16.9 05:10 0.0 2.6 0.0 5.4 25.7 02:10 301 31 22.2 28.8 16:27 15.6 05:30 0.0 3.9 2.8 3.9 38.6 21:27 193 --------------------------------------------------------------------------------------- 20.0 30.7 09 12.8 02 3.8 56.5 216.2 3.7 91.7 01 317