Ontario weather averages for holidays in 2017/2018

Check Ontario weather averages before you book your next holiday in 2017/2018. Today's maximum temperature in Ontario is expected to be 1°C, while the average maximum temperature in November is 7°C. The holiday weather guide shown below is for Toronto.

  • Browse the latest Air Canada promotion codes & special offers
  • Find the lowest fares on flights to Canada, USA & beyond
  • Select a departure point to see the available routes & prices

More about Ontario

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

Ontario weather averages

Check Ontario weather averages before you book your next holiday. The warmest month in Ontario is July with an average maximum temperature of 27°C. The sunniest months are June and July with on average 9 hours of bright sunshine per day. The month with the least number of days with some rain is July with 9 days. The sea is at its warmest in Ontario in August with an average sea temperature of 21°C. The Ontario weather averages shown below are for Toronto.

Maximum daytime temperature (°C)

Hours of sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec

Days with some rainfall

Sea temperature (°C)

More weather parameters

Metric (°C / mm)  |  Imperial (°F / inches)

  • Save an extra 10% on cheap car hire worldwide
  • With this exclusive Holiday Autos discount code
  • Travel before 31st December 2018 (inclusive)
Show discount code ******XE3

Expires at 23:59 on Thursday 30th November 2017 · View all Holiday Autos offers

Back to top

Ontario weather today

Here is the weather in Ontario today, Wednesday 22nd November 2017. Expect scattered clouds in Ontario with a maximum temperature of 1°C and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-west. The weather forecast shown below is for Toronto.

  • 1
    °C maximum temperature
  • scattered clouds
  • 3
    hours of sunshine
  • 0
    mm of rainfall expected
  • -4
    °C wind chill
  • 22
    kph wind from NW

5-day weather forecast

Metric (°C / mm)  |  Imperial (°F / inches)

  • Browse the latest Air Canada promotion codes & special offers
  • Find the lowest fares on flights to Canada, USA & beyond
  • Select a departure point to see the available routes & prices

Back to top

Tropical storm risk: Ontario, Canada hurricane season

% of month affected by tropical storms
0
0
0
0
0
<1%
<1%
<1%
1%
<1%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The Ontario, Canada tropical storm risk chart above shows the hurricane season for Toronto, Ontario, Canada.

More about tropical storms

  • Save up to 10% on TUI holidays when you book online
  • FREE kids places & low deposits also available
  • Say Hello to TUI - the new name in holidays

Back to top

Ontario holiday weather averages by month

Check Ontario holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

Back to top

Compare Ontario weather with the USA

Below the Ontario weather chart shows maximum daytime temperature for Ontario, Canada (Toronto) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Ontario, Canada (Toronto)
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Compare more Ontario weather >>

  • Save up to 10% on TUI holidays when you book online
  • FREE kids places & low deposits also available
  • Say Hello to TUI - the new name in holidays

Back to top

Popular Ontario destinations

More Ontario destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

More destinations

Related posts

Popular travel offers

Top ^