Monthly Climatological Summary for Dec 2020 Name: MONTREAL@ ST.LEONARD City: MONTREAL State: QUEBEC-CANADA Elevation: 154 ft Lat: N 45° 35' 13" Lon: W 073° 35' 18" Temperature (°C), Rain (mm), Wind Speed (km/h) Heat Cool Avg Mean Deg Deg Wind Dom Day Temp High Time Low Time Days Days Rain Speed High Time Dir ---------------------------------------------------------------------------------- 1 7.1 9.8 13:00 3.8 00:00 10.9 0.0 10.0 4.4 40.2 21:30 WNW 2 1.8 3.8 00:00 -1.1 21:30 16.5 0.0 0.0 8.9 37.0 16:00 WSW 3 2.6 5.8 12:00 -1.8 02:30 15.7 0.0 0.0 7.8 45.1 12:00 WSW 4 3.2 4.6 00:00 2.1 06:00 14.8 0.0 3.8 5.7 33.8 02:30 WSW 5 0.8 3.1 14:00 -2.9 00:00 17.5 0.0 0.0 6.7 33.8 17:00 N 6 -2.5 -0.2 12:00 -3.6 07:30 20.3 0.0 0.0 6.3 30.6 17:00 WNW 7 -3.8 -2.3 13:30 -5.2 23:00 21.6 0.0 0.0 3.2 20.9 10:00 NW 8 -4.7 -3.7 14:30 -6.2 22:30 23.0 0.0 0.0 5.4 30.6 19:00 WNW 9 -2.4 0.3 16:30 -5.7 02:00 20.7 0.0 0.0 2.1 24.1 00:00 SSE 10 0.4 1.8 13:00 -0.8 00:00 17.9 0.0 1.4 5.3 25.7 06:00 W 11 2.1 4.6 12:00 -0.2 00:00 13.3 0.0 13.8 1.6 16.1 04:35 SE 12 1.4 3.1 23:31 0.4 09:34 16.4 0.0 2.4 7.7 30.6 12:17 ENE 13 1.4 7.9 09:37 -2.6 20:59 14.0 0.0 1.2 11.3 49.9 10:50 W 14 -2.8 -1.8 18:25 -3.8 07:27 20.3 0.0 0.0 4.6 43.5 23:15 W 15 -10.5 -2.8 00:00 -16.2 23:49 28.8 0.0 0.0 10.7 48.3 01:32 WNW 16 -15.5 -12.8 22:34 -18.2 04:43 33.8 0.0 0.0 7.9 33.8 19:39 NE 17 -10.8 -7.9 15:31 -13.6 01:51 29.1 0.0 0.0 7.3 30.6 00:25 NE 18 -9.7 -5.3 14:50 -13.4 06:18 26.1 0.0 0.0 1.3 14.5 00:01 NNE 19 -6.6 -2.7 15:19 -11.6 05:17 24.6 0.0 0.0 0.8 9.7 15:59 ESE 20 -1.6 0.7 23:56 -3.8 01:07 19.9 0.0 0.0 3.7 32.2 18:28 SSE 21 1.6 3.6 12:44 0.1 23:48 16.7 0.0 1.8 2.3 17.7 04:03 SE 22 0.0 1.9 16:45 -5.8 23:28 18.3 0.0 2.4 6.3 37.0 18:24 W 23 -5.3 1.7 23:42 -9.0 07:22 23.5 0.0 0.0 6.1 37.0 00:53 WSW 24 6.1 9.7 15:23 1.3 01:11 12.2 0.0 20.8 11.6 64.4 11:45 SSE 25 7.6 14.0 12:16 0.1 23:51 10.7 0.0 11.0 8.6 51.5 23:31 SW 26 -4.2 0.1 00:00 -7.8 22:52 22.5 0.0 0.0 12.7 45.1 13:34 W 27 -6.2 -3.8 21:20 -8.4 03:24 24.5 0.0 0.0 5.0 25.7 00:56 W 28 0.9 4.8 14:56 -3.9 00:00 17.4 0.0 2.0 13.0 51.5 14:55 SSW 29 -6.7 -1.7 00:00 -8.8 07:58 25.0 0.0 0.0 9.6 38.6 19:57 W 30 -4.1 1.2 23:45 -7.6 01:47 22.4 0.0 0.2 5.6 33.8 20:49 SSE 31 0.0 3.5 02:08 -4.4 23:39 18.3 0.0 5.4 8.9 43.5 02:22 W ---------------------------------------------------------------------------------- -1.9 14.0 25 -18.2 16 616.7 0.0 76.2 6.9 64.4 24 W Max >= 32.0: 0 Max <= 0.0: 11 Min <= 0.0: 25 Min <= -18.0: 1 Max Rain: 20.8 on day 24 Days of Rain: 13 (>= 0.1 mm) 5 (>= 5.0 mm) 1 (>= 20.0 mm) Heat Base: 18.3 Cool Base: 18.3 Method: Integration