MONTHLY CLIMATOLOGICAL SUMMARY for Dec 2025 NAME: Lerwick, Shetland Islands SENSOR ELEV: 22 metres LAT (DD): 60.151 LONG (DD): -1.143 ANEMOMETER ELEV: 30 metres (8m AGL) TEMPERATURE (C), RAIN (mm), WIND SPEED (mph), WIND RUN (miles), UV (Index), SOLAR (W/m^2) HEAT AVG MEAN DEG WIND DOM WIND DAY TEMP HIGH TIME LOW TIME DAYS RAIN SPEED HIGH TIME DIR RUN UV SOLAR --------------------------------------------------------------------------------------------------------- 01 6.7 9.1 10:39 4.2 00:00 11.7 6.4 10.0 48.0 10:10 180 239 0.0 1053 02 7.1 8.9 22:28 5.6 08:26 11.2 3.8 13.8 39.0 22:24 230 331 0.0 1166 03 8.6 9.4 07:50 7.2 13:31 9.8 4.4 14.4 43.5 06:07 176 345 0.0 1384 04 9.0 9.6 10:42 8.3 14:36 9.3 5.8 12.9 37.8 11:40 164 309 0.0 1729 05 8.4 9.1 16:08 7.4 07:32 9.9 4.8 11.9 50.4 16:13 159 285 0.0 1842 06 8.1 8.6 03:11 7.2 07:45 10.3 4.8 11.0 44.1 01:12 92 263 0.0 1189 07 8.4 8.7 12:24 8.1 06:18 9.9 3.6 8.4 42.0 20:22 92 201 0.0 959 08 7.6 8.8 03:34 4.7 20:18 10.7 2.6 3.9 27.3 00:39 124 93 0.0 1732 09 8.3 11.2 23:25 5.1 00:15 10.0 3.6 10.5 60.0 23:35 103 251 0.0 1122 10 10.0 10.8 22:20 9.0 16:15 8.3 4.2 38.6 75.0 05:05 210 927 0.0 1766 11 10.4 11.1 02:28 9.7 21:14 7.9 1.4 17.7 55.0 02:18 214 425 0.0 1088 12 8.6 10.1 02:34 7.5 18:25 9.8 0.6 11.8 37.5 23:26 190 284 0.0 1685 13 9.2 10.9 21:15 8.1 15:24 9.2 7.0 21.0 70.0 17:33 191 505 0.0 1312 14 10.4 11.6 21:07 7.7 23:51 7.9 2.8 11.4 50.0 20:17 194 273 0.0 887 15 8.1 8.7 12:17 7.3 05:01 10.2 0.0 9.1 32.0 01:39 201 218 0.0 1228 16 7.9 8.6 13:03 7.2 16:04 10.5 0.0 8.2 40.0 23:49 203 196 0.0 1805 17 8.9 10.0 17:53 7.7 01:44 9.4 2.0 17.8 58.0 10:40 182 428 0.0 392 18 8.7 9.8 21:26 7.4 23:36 9.6 1.8 12.5 46.0 20:05 182 299 0.0 1845 19 7.7 8.9 12:36 5.6 05:22 10.6 15.4 10.7 48.0 14:14 211 258 0.0 2240 20 7.7 9.2 20:34 5.6 07:54 10.7 0.0 5.8 28.0 20:14 160 140 0.0 1541 21 8.4 8.9 00:47 7.7 17:14 10.0 0.0 5.4 26.0 00:51 159 129 0.0 1483 22 8.5 9.1 23:25 7.6 04:05 9.8 0.8 9.2 46.0 22:59 160 221 0.0 397 23 8.8 9.3 03:51 8.2 15:33 9.5 1.4 12.5 38.0 20:52 175 300 0.0 619 24 8.4 9.3 00:00 6.4 23:31 9.9 0.0 6.0 28.0 00:00 186 145 0.0 1494 25 8.1 8.8 11:00 7.1 00:00 10.2 0.0 2.2 14.0 11:17 172 53 0.0 570 26 7.1 7.8 12:18 6.0 01:18 11.2 0.0 2.9 18.0 17:09 236 71 0.0 875 27 4.9 8.1 01:46 1.7 23:57 13.4 0.0 6.3 30.0 11:29 10 152 0.0 2081 28 5.1 7.4 13:39 0.2 02:06 13.3 0.0 4.4 32.0 13:42 281 105 0.0 1207 29 4.9 6.1 00:00 3.9 09:32 13.5 0.0 8.3 34.0 11:33 10 100 0.0 843 30 31 --------------------------------------------------------------------------------------------------------- 8.1 11.6 14 0.2 28 297.9 77.2 11.0 75.0 10 183 7544 0.0 37536