MONTHLY CLIMATOLOGICAL SUMMARY for MAY. 2025 NAME: Llanfairfechan CITY: Llanfairfechan STATE: Conwy ELEV: 240 ft LAT: 53° 15' 22" N LONG: 3° 58' 35" 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 ------------------------------------------------------------------------------------ 1 15.4 22.3 9:20 10.1 00:00 0.0 9.9 0.0 1.6 14.0 13:00 NW 2 10.6 12.4 13:20 8.2 3:40 0.0 4.9 0.0 1.4 9.0 11:10 SE 3 10.1 12.9 12:00 6.7 3:30 0.0 4.4 0.0 1.2 14.0 12:40 NW 4 9.8 12.5 9:20 7.2 3:10 0.0 4.3 0.0 3.1 16.0 19:10 SE 5 8.6 11.5 15:50 6.3 4:20 0.0 3.0 0.0 3.1 16.0 10:00 NNE 6 10.2 13.0 15:30 6.3 3:20 0.0 4.6 0.0 2.0 10.0 13:20 SE 7 11.1 14.7 15:50 8.2 0:40 0.0 5.5 0.0 2.4 18.0 23:50 SE 8 11.2 14.2 11:40 7.6 5:20 0.0 5.6 0.0 4.6 18.0 0:50 SE 9 11.6 13.9 15:50 8.3 5:50 0.0 6.0 0.0 2.3 12.0 9:50 SE 10 14.6 18.6 9:20 10.7 2:10 0.0 9.0 0.0 2.4 13.0 8:30 SE 11 16.2 22.8 15:10 12.2 0:30 0.0 10.6 0.0 1.9 17.0 1:30 NNE 12 16.8 21.8 16:10 12.6 2:10 0.0 11.2 8.2 2.2 20.0 19:10 SE 13 17.7 20.7 15:40 14.3 23:40 0.0 12.1 0.2 5.3 26.0 23:00 SE 14 15.3 18.9 10:20 12.6 4:10 0.0 9.7 0.0 5.9 23.0 6:20 SE 15 13.3 15.7 8:50 10.7 4:40 0.0 7.7 0.0 3.9 15.0 0:30 E 16 13.3 17.2 16:40 9.3 4:20 0.0 7.7 0.0 2.7 19.0 2:00 SE 17 12.9 15.3 10:10 9.4 3:40 0.0 7.4 0.0 2.9 19.0 11:50 SE 18 13.1 16.2 18:20 9.4 4:20 0.0 7.5 0.0 2.8 17.0 00:00 NNE 19 13.0 16.3 15:00 9.3 3:00 0.0 7.4 0.0 4.5 23.0 3:20 SE 20 14.2 18.2 13:20 10.2 1:20 0.0 8.5 0.0 1.8 12.0 1:50 SE 21 13.0 18.9 9:50 9.4 3:40 0.0 3.5 0.0 1.0 10.0 11:10 SE 22 23 24 25 26 27 28 29 30 31 ------------------------------------------------------------------------------------- 12.9 22.8 11 6.3 5 0.0 150.5 8.4 2.8 26.0 13 SE Max >= 32.0: 0 Max <= 0.0: 0 Min <= 0.0: 0 Min <= -18.0: 0 Max Rain: 8.20 ON 12/05/25 Days of Rain: 2 (> .2 mm) 1 (> 2 mm) 0 (> 20 mm) Heat Base: 5.6 Cool Base: 5.6 Method: Integration