MONTHLY CLIMATOLOGICAL SUMMARY for Dec 2025 NAME: Lónakot - Hamrar í Grímsnesi ELEV: 50 metrar LAT: 64-03.72 N LONG: 020-36.29 V TEMPERATURE (°C), RAIN (mm), WIND SPEED (m/s) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR --------------------------------------------------------------------------------------- 01 3.7 5.1 09:40 2.2 22:35 14.6 0.0 0.0 5.9 20.5 06:45 58 02 2.0 4.3 20:55 -0.6 12:45 16.3 0.0 0.0 4.2 15.0 06:05 57 03 2.0 4.6 00:30 -2.2 23:55 16.3 0.0 0.0 4.3 13.0 07:00 71 04 0.3 2.1 07:20 -3.1 01:40 18.0 0.0 0.0 4.6 13.0 07:00 48 05 2.4 4.4 13:05 -0.0 21:35 15.9 0.0 0.0 4.5 13.5 15:30 58 06 4.3 6.1 13:00 1.3 04:40 14.0 0.0 0.0 4.8 13.0 12:05 68 07 5.3 6.4 18:40 4.1 14:55 13.0 0.0 0.0 4.9 17.5 09:10 65 08 4.7 5.6 13:45 3.0 06:20 13.7 0.0 0.0 4.3 12.5 17:05 61 09 4.3 5.5 16:25 3.2 01:05 14.0 0.0 0.0 4.4 14.5 21:30 57 10 4.1 5.0 00:25 3.0 07:40 14.3 0.0 0.0 5.2 21.0 07:15 62 11 5.0 7.9 11:15 3.0 00:15 13.3 0.0 7.8 6.6 23.0 10:55 96 12 5.3 7.3 17:05 3.7 04:45 13.1 0.0 9.3 5.1 17.5 03:30 85 13 1.9 4.8 00:15 -0.7 22:45 16.4 0.0 0.3 2.9 8.5 21:05 355 14 0.3 1.8 05:40 -1.0 23:50 18.0 0.0 0.3 2.0 9.5 10:00 10 15 -3.2 -1.1 00:05 -5.5 19:30 21.5 0.0 0.0 3.2 8.5 16:25 12 16 -4.4 1.5 23:25 -7.0 05:25 22.7 0.0 0.0 4.2 11.5 20:20 14 17 3.0 4.4 15:45 1.0 01:55 15.3 0.0 0.0 6.0 19.5 06:50 69 18 2.3 4.1 06:40 0.2 20:55 16.0 0.0 0.9 4.5 16.0 00:25 43 19 1.9 7.3 21:45 -3.4 10:30 16.5 0.0 0.3 5.3 11.5 21:55 52 20 7.0 10.5 12:35 3.7 22:35 11.3 0.0 11.1 4.0 12.5 13:40 106 21 6.4 10.2 00:30 2.8 18:50 11.9 0.0 0.0 2.5 8.5 00:10 67 22 6.9 8.2 06:10 2.1 23:55 11.4 0.0 4.5 5.3 15.0 12:10 132 23 3.5 6.4 23:05 1.0 05:35 14.8 0.0 24.9 5.4 17.0 18:55 219 24 7.1 7.8 23:00 6.3 00:05 11.2 0.0 46.5 9.4 16.0 04:20 215 25 7.4 7.9 18:25 6.7 12:50 10.9 0.0 5.7 8.4 17.0 01:30 207 26 2.4 7.9 03:15 -2.5 22:35 15.9 0.0 7.2 3.8 19.0 03:30 235 27 -2.1 1.0 23:50 -5.5 07:05 20.5 0.0 0.3 1.5 5.5 07:25 5 28 3.4 4.8 13:50 1.0 00:20 15.0 0.0 0.3 0.0 3.0 13:20 271 29 -1.5 1.4 00:20 -4.5 21:35 19.9 0.0 0.0 0.5 3.5 00:20 5 30 -1.5 3.2 22:15 -4.7 04:55 19.8 0.0 0.3 0.3 4.0 21:30 253 31 1.5 5.2 07:15 -4.1 23:15 16.8 0.0 1.2 3.0 12.5 08:30 332 --------------------------------------------------------------------------------------- 2.8 10.5 20 -7.0 16 482.3 0.0 120.9 4.2 23.0 11 71