MONTHLY CLIMATOLOGICAL SUMMARY for May 2026 NAME: Lexington, MA ELEV: 220 feet LAT: 42-27.75 N LONG: 071-14.05 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 52.5 62.4 16:33 44.0 06:23 12.5 0.0 0.00 2.4 15.8 13:55 270 02 49.8 55.5 16:40 45.6 01:52 15.2 0.0 0.00 1.9 15.6 14:34 202 03 46.1 52.7 16:09 39.1 22:43 18.9 0.0 0.00 2.3 17.7 17:22 287 04 57.8 71.3 17:12 39.5 00:19 7.2 0.0 0.00 4.6 24.0 11:39 241 05 65.5 79.8 13:59 53.2 06:22 0.0 0.5 0.00 4.9 24.0 15:56 204 06 63.1 71.4 13:47 58.4 20:43 1.9 0.0 0.00 4.7 21.5 14:07 206 07 55.2 62.7 16:19 46.9 23:59 9.8 0.0 0.00 2.6 16.6 13:24 255 08 49.7 59.0 15:04 37.5 04:24 15.3 0.0 0.00 2.4 19.1 13:13 252 09 46.6 52.9 13:39 37.1 05:06 18.4 0.0 0.00 1.1 9.8 21:34 86 10 58.8 72.2 17:26 50.8 02:03 6.2 0.0 0.00 2.4 16.6 16:11 225 11 54.9 60.9 14:43 43.1 23:59 10.1 0.0 0.00 1.4 11.7 12:36 307 12 51.2 62.9 17:06 39.5 01:49 13.8 0.0 0.00 1.6 13.0 15:30 289 13 52.3 65.4 16:26 40.7 01:47 12.7 0.0 0.00 2.1 19.6 16:54 181 14 55.8 61.2 11:51 51.3 23:22 9.2 0.0 0.00 2.0 13.2 11:06 119 15 51.1 54.1 13:51 46.7 23:20 13.9 0.0 0.00 1.0 9.1 12:11 16 16 62.4 77.6 16:57 45.9 05:07 2.6 0.0 0.00 3.3 15.9 12:49 241 17 71.3 86.7 17:41 55.3 05:47 0.0 6.3 0.00 2.5 17.0 16:01 250 18 66.0 72.6 14:07 56.1 05:55 0.0 1.0 0.00 2.0 13.4 11:55 94 19 78.6 94.3 15:08 66.8 02:08 0.0 13.6 0.00 3.2 20.4 17:38 245 20 77.6 88.5 14:42 70.0 04:57 0.0 12.6 0.00 3.5 16.7 16:04 252 21 62.7 71.4 00:00 51.8 23:56 2.3 0.0 0.00 1.5 9.4 15:05 338 22 55.1 61.6 16:44 44.7 05:25 9.9 0.0 0.00 1.7 9.6 09:56 120 23 55.2 63.6 12:42 47.5 05:19 9.8 0.0 0.00 1.5 9.7 16:46 90 24 52.2 53.6 09:20 51.2 14:04 12.8 0.0 0.00 2.0 11.9 10:40 72 25 60.5 76.3 18:30 52.6 00:00 4.5 0.0 0.00 1.4 10.8 16:02 263 26 57.3 59.3 00:00 55.8 03:16 7.7 0.0 0.00 0.3 1.9 00:40 303 27 28 29 30 31 --------------------------------------------------------------------------------------- 58.1 94.3 19 37.1 09 214.7 34.0 0.00 2.4 24.0 05 234