Winter weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

Maximum Temperatures

Period	Toronto	Ottawa	Hamilton	Mississauga
Dec 1	2.9°C	0.8°C	3.8°C	3.2°C
Dec 8	2.5°C	-0.4°C	3.2°C	2.6°C
Dec 15	1.3°C	-1.5°C	2.3°C	1.6°C
Dec 22	1.1°C	-2.3°C	2.2°C	1.4°C
Jan 1	-0.2°C	-3.2°C	0.7°C	0.0°C
Jan 8	-0.3°C	-3.5°C	1.0°C	0.0°C
Jan 15	-3.2°C	-6.8°C	-2.3°C	-3.0°C
Jan 22	-2.3°C	-5.3°C	-0.9°C	-2.0°C
Feb 1	-1.3°C	-3.7°C	-0.3°C	-1.1°C
Feb 8	-1.1°C	-3.8°C	-0.2°C	-0.9°C
Feb 15	-0.1°C	-2.5°C	1.0°C	0.3°C
Feb 22	1.9°C	-0.9°C	2.8°C	2.2°C
Average	1.1°C	0.4°C	-2.8°C	0.1°C

Minimum Temperatures

Period	Toronto	Ottawa	Hamilton	Mississauga
Dec 1	-1.4°C	-4.1°C	-0.7°C	-1.3°C
Dec 8	-1.9°C	-6.0°C	-1.3°C	-1.8°C
Dec 15	-3.1°C	-7.8°C	-1.9°C	-2.8°C
Dec 22	-3.2°C	-8.1°C	-2.3°C	-3.0°C
Jan 1	-5.1°C	-9.6°C	-3.8°C	-4.7°C
Jan 8	-6.3°C	-11.8°C	-4.8°C	-5.9°C
Jan 15	-8.7°C	-15.3°C	-7.2°C	-8.4°C
Jan 22	-8.2°C	-14.3°C	-6.7°C	-8.0°C
Feb 1	-8.0°C	-13.4°C	-6.5°C	-7.8°C
Feb 8	-7.7°C	-12.3°C	-6.1°C	-7.6°C
Feb 15	-7.0°C	-12.4°C	-5.5°C	-7.0°C
Feb 22	-4.7°C	-9.0°C	-3.4°C	-4.5°C
Average	-4.2°C	-5.2°C	-10.3°C	-5.4°C

Maximum/minimum temperature averages are computed by averaging the max/min temperature of each day for a given period.

Conditions

Sunny Weather

Period	Toronto	Ottawa	Hamilton	Mississauga
Dec 1	1.3 hours/day	1.9 hours/day	1.3 hours/day	1.5 hours/day
Dec 8	2.1 hours/day	2.8 hours/day	2.4 hours/day	2.2 hours/day
Dec 15	1.5 hours/day	1.9 hours/day	1.3 hours/day	1.4 hours/day
Dec 22	0.9 hours/day	1.3 hours/day	1.0 hours/day	1.0 hours/day
Jan 1	1.3 hours/day	1.1 hours/day	1.5 hours/day	1.3 hours/day
Jan 8	1.6 hours/day	2.3 hours/day	1.6 hours/day	1.5 hours/day
Jan 15	1.4 hours/day	1.9 hours/day	1.6 hours/day	1.5 hours/day
Jan 22	1.2 hours/day	1.7 hours/day	1.4 hours/day	1.4 hours/day
Feb 1	2.1 hours/day	1.8 hours/day	1.9 hours/day	2.2 hours/day
Feb 8	1.8 hours/day	1.9 hours/day	1.6 hours/day	1.7 hours/day
Feb 15	1.5 hours/day	1.4 hours/day	2.0 hours/day	1.6 hours/day
Feb 22	1.9 hours/day	1.3 hours/day	2.2 hours/day	2.1 hours/day
Average	1.7 hours/day	1.6 hours/day	1.8 hours/day	1.6 hours/day

Sun hours are computed from the number of hours of direct sunlight. The length of the day can affect these measurements; for example, northern cities have longer days in summer.

Precipitation Levels

Period	Toronto	Ottawa	Hamilton	Mississauga
Dec 1	2.8mm	3.9mm	3.0mm	2.8mm
Dec 8	2.5mm	5.0mm	2.7mm	2.4mm
Dec 15	3.3mm	4.1mm	3.3mm	2.8mm
Dec 22	4.2mm	5.5mm	4.0mm	4.0mm
Jan 1	1.7mm	4.1mm	2.2mm	1.6mm
Jan 8	4.5mm	5.7mm	4.9mm	4.6mm
Jan 15	2.9mm	4.2mm	3.4mm	2.8mm
Jan 22	3.3mm	3.3mm	2.9mm	3.1mm
Feb 1	2.3mm	3.8mm	3.1mm	2.3mm
Feb 8	3.0mm	4.3mm	3.3mm	2.9mm
Feb 15	6.0mm	5.6mm	6.7mm	5.8mm
Feb 22	4.3mm	4.7mm	4.4mm	4.2mm
Average	3.7mm	3.3mm	4.5mm	3.4mm

Average amount of precipitation that falls in a form of a rain, snow, sleet or hail.

Wind Speed

Period	Toronto	Ottawa	Hamilton	Mississauga
Dec 1	21.1km/h	19.1km/h	24.6km/h	22.2km/h
Dec 8	20.6km/h	18.5km/h	23.4km/h	21.4km/h
Dec 15	20.5km/h	18.1km/h	23.2km/h	21.5km/h
Dec 22	19.3km/h	16.7km/h	22.7km/h	19.4km/h
Jan 1	19.2km/h	17.9km/h	22.5km/h	20.5km/h
Jan 8	20.9km/h	19.5km/h	24.1km/h	21.8km/h
Jan 15	20.5km/h	17.7km/h	24.3km/h	21.7km/h
Jan 22	19.2km/h	17.4km/h	23.3km/h	20.6km/h
Feb 1	19.8km/h	17.1km/h	23.0km/h	21.1km/h
Feb 8	19.2km/h	17.7km/h	22.9km/h	20.7km/h
Feb 15	21.6km/h	20.3km/h	26.0km/h	23.5km/h
Feb 22	22.2km/h	20.3km/h	26.7km/h	23.7km/h
Average	23.9km/h	21.5km/h	18.4km/h	20.3km/h

Humidity

Period	Toronto	Ottawa	Hamilton	Mississauga
Dec 1	75.4%	80.5%	75.4%	75.4%
Dec 8	76.1%	80.3%	76.0%	76.4%
Dec 15	79.2%	83.4%	79.0%	79.0%
Dec 22	85.1%	86.3%	84.2%	84.8%
Jan 1	81.0%	86.1%	79.7%	80.7%
Jan 8	79.8%	87.3%	77.7%	79.5%
Jan 15	80.2%	87.6%	79.4%	80.0%
Jan 22	82.5%	87.9%	80.8%	82.0%
Feb 1	82.1%	87.9%	81.2%	81.8%
Feb 8	78.6%	87.4%	78.4%	78.8%
Feb 15	81.5%	87.4%	79.9%	81.0%
Feb 22	79.8%	86.9%	79.2%	79.7%
Average	79.2%	79.9%	85.8%	80.1%

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Astronomy

Sunrise Time

Period	Toronto	Ottawa	Hamilton	Mississauga
Dec 1	7:35	7:26	7:35	7:35
Dec 8	7:42	7:33	7:42	7:42
Dec 15	7:47	7:38	7:47	7:47
Dec 22	7:51	7:42	7:50	7:51
Jan 1	7:52	7:43	7:52	7:52
Jan 8	7:50	7:41	7:50	7:51
Jan 15	7:47	7:37	7:47	7:47
Jan 22	7:40	7:30	7:41	7:41
Feb 1	7:31	7:20	7:32	7:32
Feb 8	7:22	7:11	7:23	7:23
Feb 15	7:12	6:59	7:13	7:13
Feb 22	7:01	6:48	7:02	7:01
Average	7:36	7:36	7:24	7:36

Sunrise times are output in the local timezone of each place.

Sunset Time

Period	Toronto	Ottawa	Hamilton	Mississauga
Dec 1	16:41	16:20	16:44	16:41
Dec 8	16:40	16:19	16:44	16:41
Dec 15	16:42	16:21	16:46	16:43
Dec 22	16:47	16:26	16:50	16:47
Jan 1	16:54	16:33	16:57	16:55
Jan 8	17:01	16:41	17:05	17:02
Jan 15	17:10	16:50	17:13	17:11
Jan 22	17:21	17:02	17:24	17:22
Feb 1	17:33	17:14	17:35	17:34
Feb 8	17:43	17:25	17:45	17:43
Feb 15	17:52	17:35	17:55	17:53
Feb 22	18:01	17:44	18:04	18:02
Average	17:18	17:12	16:54	17:12

Sunset times are output in the local timezone of each place.

Useful Day Length

Period	Toronto	Ottawa	Hamilton	Mississauga
Dec 1	9:05 hours	8:55 hours	9:09 hours	9:06 hours
Dec 8	8:58 hours	8:46 hours	9:02 hours	8:59 hours
Dec 15	8:55 hours	8:43 hours	8:59 hours	8:55 hours
Dec 22	8:56 hours	8:44 hours	9:00 hours	8:56 hours
Jan 1	9:02 hours	8:50 hours	9:05 hours	9:02 hours
Jan 8	9:11 hours	9:00 hours	9:14 hours	9:11 hours
Jan 15	9:23 hours	9:13 hours	9:26 hours	9:23 hours
Jan 22	9:41 hours	9:32 hours	9:43 hours	9:41 hours
Feb 1	10:02 hours	9:54 hours	10:04 hours	10:02 hours
Feb 8	10:20 hours	10:14 hours	10:22 hours	10:20 hours
Feb 15	10:40 hours	10:35 hours	10:41 hours	10:40 hours
Feb 22	11:01 hours	10:44 hours	11:02 hours	11:01 hours
Average	9:36 hours	9:36 hours	9:24 hours	9:36 hours

Discards daylight hours before 7 AM. In places that are located to the west of the timezone, the sun rises and sets later compared to the cities that are located to the east. This means that the useful day length is longer in the cities located to the west of the time zone.

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