climigo

Ontario

When to go?

The best month is June.

Very varied climate The climate changes a lot from one part to another: look at the cities below for the details.

Climate zones

United StatesQuebecManitobaNunavutTorontoTorontoTorontoOttawaOttawaOttawaLondonLondonLondonHamiltonHamiltonHamiltonWindsorWindsorWindsor

Mean maximum and minimum temperature and mean monthly precipitation of the season (the mean of its three months), ERA5-Land 1996–2025, at about 9 km resolution: colours are in levels (the same as the city scale) and smaller details are not real.

What is the climate like?

Area mean indicative, over the whole territory

Temperature and rain

January −12°−23° extreme cold
February −9°−22° extreme cold
March −2°−15° extreme cold
April 6°−7° snow likely
May 15°2°
June 21°8°
July 23°11°
August 22°10°
September 17°6°
October 8°0°
November 0°−8° snow likely
December −8°−18° extreme cold

Monthly min and max temperature (°C)

−25°−20°−15°−10°−5°0°5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDec−23.0 · −11.8 °CJanuary: −23.0 · −11.8 °C−22.0 · −9.1 °CFebruary: −22.0 · −9.1 °C−15.2 · −1.9 °CMarch: −15.2 · −1.9 °C−6.7 · 6.1 °CApril: −6.7 · 6.1 °C1.8 · 14.7 °CMay: 1.8 · 14.7 °C8.4 · 20.8 °CJune: 8.4 · 20.8 °C11.2 · 23.4 °CJuly: 11.2 · 23.4 °C10.2 · 22.1 °CAugust: 10.2 · 22.1 °C6.4 · 17.2 °CSeptember: 6.4 · 17.2 °C0.1 · 8.4 °COctober: 0.1 · 8.4 °C−7.8 · −0.2 °CNovember: −7.8 · −0.2 °C−17.5 · −8.3 °CDecember: −17.5 · −8.3 °C

Monthly min and max temperature (°C)

Jan −23.0 – −11.8 °C
Feb −22.0 – −9.1 °C
Mar −15.2 – −1.9 °C
Apr −6.7 – 6.1 °C
May 1.8 – 14.7 °C
Jun 8.4 – 20.8 °C
Jul 11.2 – 23.4 °C
Aug 10.2 – 22.1 °C
Sep 6.4 – 17.2 °C
Oct 0.1 – 8.4 °C
Nov −7.8 – −0.2 °C
Dec −17.5 – −8.3 °C

How much it rains

January 43 mm7 d
February 35 mm6 d
March 42 mm7 d
April 52 mm7 d
May 67 mm9 d
June 84 mm10 d
July 91 mm11 d
August 89 mm11 d
September 86 mm10 d
October 77 mm11 d
November 60 mm10 d
December 52 mm8 d

Rain days and how much water

0102030 dJanFebMarAprMayJunJulAugSepOctNovDec43 mm · 7 rain days · 6 mm a dayJanuary: 43 mm · 7 rain days · 6 mm a day35 mm · 6 rain days · 6 mm a dayFebruary: 35 mm · 6 rain days · 6 mm a day42 mm · 7 rain days · 6 mm a dayMarch: 42 mm · 7 rain days · 6 mm a day52 mm · 7 rain days · 7 mm a dayApril: 52 mm · 7 rain days · 7 mm a day67 mm · 9 rain days · 7 mm a dayMay: 67 mm · 9 rain days · 7 mm a day84 mm · 10 rain days · 8 mm a dayJune: 84 mm · 10 rain days · 8 mm a day91 mm · 11 rain days · 8 mm a dayJuly: 91 mm · 11 rain days · 8 mm a day89 mm · 11 rain days · 8 mm a dayAugust: 89 mm · 11 rain days · 8 mm a day86 mm · 10 rain days · 9 mm a daySeptember: 86 mm · 10 rain days · 9 mm a day77 mm · 11 rain days · 7 mm a dayOctober: 77 mm · 11 rain days · 7 mm a day60 mm · 10 rain days · 6 mm a dayNovember: 60 mm · 10 rain days · 6 mm a day52 mm · 8 rain days · 7 mm a dayDecember: 52 mm · 8 rain days · 7 mm a day

Rain days and how much water

Jan 43 mm7 d
Feb 35 mm6 d
Mar 42 mm7 d
Apr 52 mm7 d
May 67 mm9 d
Jun 84 mm10 d
Jul 91 mm11 d
Aug 89 mm11 d
Sep 86 mm10 d
Oct 77 mm11 d
Nov 60 mm10 d
Dec 52 mm8 d

Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day

Colour = the month's rain: 103060100160250400mm

Daylight hours

January 8 h 31
February 10 h 06
March 11 h 50
April 13 h 46
May 15 h 27
June 16 h 24
July 16 h 00
August 14 h 31
September 12 h 39
October 10 h 48
November 9 h 02
December 8 h 04

Mean daylight hours over the whole territory.

Snow on the ground

January 45 cm
February 54 cm
March 51 cm
April 33 cm
May 7 cm
June –
July –
August –
September –
October 2 cm
November 10 cm
December 28 cm

Mean snow depth on the ground (cm)

050100 cmJanFebMarAprMayJunJulAugSepOctNovDec45 cmJanuary: 45 cm54 cmFebruary: 54 cm51 cmMarch: 51 cm33 cmApril: 33 cm7 cmMay: 7 cm0 cmJune: 0 cm0 cmJuly: 0 cm0 cmAugust: 0 cm0 cmSeptember: 0 cm2 cmOctober: 2 cm10 cmNovember: 10 cm28 cmDecember: 28 cm

Mean snow depth on the ground (cm)

Jan 45 cm
Feb 54 cm
Mar 51 cm
Apr 33 cm
May 7 cm
Jun 0 cm
Jul 0 cm
Aug 0 cm
Sep 0 cm
Oct 2 cm
Nov 10 cm
Dec 28 cm

Spatial mean over the whole area, weighted by area (cosine of the latitude), not by population: indicative only, since the climate varies a lot within an area (coasts, plains, mountains). Look at the cities for the weather you will find.

Cities