MONTHLY CLIMATOLOGICAL SUMMARY for May 2026 NAME: Hersham, Surrey ELEV: 15 meters LAT: 51-22.50 N LONG: 000-24.48 W TEMPERATURE (°C), RAIN (mm), 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 18.1 27.4 12:27 8.0 04:42 0.2 0.0 0.0 0.5 9.2 16:23 236 02 15.8 25.7 13:37 10.0 02:32 2.5 0.0 2.1 0.0 6.9 16:13 169 03 16.0 22.4 16:51 12.1 04:20 2.3 0.0 0.0 0.1 6.9 11:53 236 04 14.9 19.8 14:52 11.8 01:57 3.5 0.0 0.0 0.1 8.3 15:35 351 05 14.5 19.6 13:36 11.8 23:56 3.8 0.0 0.0 0.1 6.9 13:48 346 06 12.8 18.7 14:21 8.8 23:58 5.6 0.0 0.0 0.1 10.7 10:17 322 07 12.6 20.3 12:39 5.2 04:47 5.7 0.0 0.0 0.0 3.1 15:58 N/A 08 14.1 22.1 15:10 6.0 01:38 4.2 0.0 0.0 0.0 6.0 13:19 34 09 16.3 24.8 14:54 6.4 04:12 2.1 0.0 0.0 0.0 8.3 12:00 86 10 12.1 15.8 11:31 6.2 23:59 6.2 0.0 0.0 0.3 13.0 10:09 79 11 8.7 16.3 15:20 2.6 04:15 9.7 0.0 3.0 0.1 8.3 13:00 334 12 11.4 19.1 12:35 1.1 04:35 6.9 0.0 0.0 0.1 12.1 13:51 227 13 10.5 16.0 16:08 7.2 23:44 7.9 0.0 7.5 0.6 14.5 13:00 248 14 10.2 17.7 12:18 6.3 23:00 8.1 0.0 0.9 0.2 11.4 07:46 284 15 11.0 17.5 16:16 5.3 04:10 7.4 0.0 0.0 0.0 8.3 10:34 268 16 11.4 17.9 11:31 3.8 03:31 7.0 0.0 0.3 0.1 12.1 15:06 234 17 13.1 19.4 14:08 7.6 23:54 5.3 0.0 1.2 0.0 7.6 10:19 265 18 12.5 16.8 10:12 7.6 00:00 5.9 0.0 0.0 0.0 11.4 12:38 240 19 14.8 19.3 11:25 11.2 00:14 3.6 0.0 1.5 1.5 19.0 11:10 220 20 16.6 22.0 14:09 12.5 23:57 1.7 0.0 0.0 0.3 14.5 06:59 225 21 18.9 27.8 16:31 11.4 02:15 0.0 0.6 0.0 0.0 7.6 07:09 243 22 22.3 29.9 16:06 12.0 02:06 0.0 3.9 0.0 0.0 9.8 10:31 191 23 24.4 32.3 16:27 17.0 04:18 0.0 6.0 0.0 0.0 5.4 16:50 238 24 25.4 35.4 16:39 15.2 04:06 0.0 7.1 0.0 0.0 7.6 13:49 159 25 27.3 36.5 16:29 15.9 04:06 0.0 8.9 0.0 0.0 6.9 13:38 128 26 27.6 37.2 15:32 16.2 04:25 0.0 9.3 0.0 0.0 6.0 14:10 229 27 22.8 29.8 12:54 16.0 23:46 0.0 4.5 0.0 0.0 7.6 11:12 115 28 24.6 33.9 12:43 15.7 01:20 0.0 6.3 0.0 0.0 3.8 10:22 195 29 22.0 28.8 15:26 15.5 00:00 0.0 3.6 0.0 0.0 5.4 10:42 253 30 23.6 33.3 16:49 13.1 04:15 0.0 5.3 0.0 0.0 6.9 18:54 258 31 19.4 24.8 13:08 14.5 03:47 0.0 1.1 0.0 0.0 14.5 11:25 213 --------------------------------------------------------------------------------------- 17.0 37.2 26 1.1 12 99.5 56.7 16.5 0.1 19.0 19 230