Best year time to visit Thornhill

General weather information about Thornhill

Average annual temperature is 8.5 °C

Absolute maximum temperature: 31.4 °C

Absolute minimum temperature: -16.2 °C

Number of sunny days: 110 days

Number of rainy days: 231 days

Number of snow days: 24 days

Look at detailed online map of Thornhill

* Weather data for Thornhill Canada is based on climate observations for 2026 year

Thornhill air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	8.1	7.6	14.2	22.4	31.0	29.6	31.4	31.4	25.6	19.0	9.0	5.8
Average daytime temperature (°C)	3.7	2.8	7.1	10.9	22.2	23.2	25.5	24.8	17.4	12.5	5.6	3.1
Average temperature (°C)	1.6	-0.4	1.4	5.6	14.5	16.6	19.2	18.7	12.5	8.2	2.9	0.6
Average night temperature (°C)	-0.7	-3.0	-3.0	1.8	8.3	10.7	14.1	13.8	9.0	5.3	0.6	-1.5
Absolute minimum temperature (°C)	-6.6	-16.2	-14.3	-2.9	2.5	4.4	9.5	10.2	3.9	-2.2	-4.6	-9.0

Thornhill monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	12.0	15.0	16.0	17.0	17.0	15.0	13.0	11.0	9.0	7.0
Daylight mean duration (h)	8.0	9.7	11.9	14.1	16.1	17.2	16.6	14.9	12.7	10.5	8.5	7.4
Daylight minimum duration (h)	7.0	8.0	10.0	13.0	15.0	16.0	15.0	13.0	11.0	9.0	7.0	7.0
Sunshine mean duration (h)	1.7	2.8	7.0	6.0	11.2	12.4	11.0	9.9	5.5	4.9	1.4	0.9
Precipitation (mm)	197	374	60	184	41	83	87	93	183	200	313	385
Sunny days	2	3	15	4	18	19	9	13	8	13	3	3
Rainy days	22	20	11	26	13	11	22	18	22	17	27	22
Snow days	7	5	5	0	0	0	0	0	0	1	0	6

Thornhill - weather forecast by months

Thornhill weather in january Thornhill weather in february Thornhill weather in march Thornhill weather in april Thornhill weather in may Thornhill weather in june Thornhill weather in july Thornhill weather in august Thornhill weather in september Thornhill weather in october Thornhill weather in november Thornhill weather in december

Best time to visit Thornhill:

The best time to visit Thornhill during the most sunny months:

May — 11.2(h)
June — 12.4(h)
July — 11.0(h)
August — 9.9(h)

Months with the longest average daylight duration in Thornhill:

May — 16.1(h)
June — 17.2(h)
July — 16.6(h)

The largest precipitation sum in Thornhill is at

February — 374(mm)

November — 313(mm)

December — 385(mm)

Weather forecast in the closest to Thornhill admin centers