Climate of Ontario
The region Ontario has a continental climate. It is warm in the summer and cold in the winter. The average annual temperature for Ontario is 11° degrees and there is about 351 mm of rain in a year. It is dry for 177 days a year with an average humidity of 79% and an UV-index of 3.
Climate averages for the whole year
- Day: the average daily temperature during the day is between -2°C and 24°C
- Night:the average nighttime temperature is between -7°C and 18°C
- Rain: it rains 128 days and there is a total of approximately 350 mm rainfall
- Snow: it snows an average of 43 days per year
- Sun hours: throughout the year there are 2577 sun hours
Maximum temperature: | between -2°C and 24°C |
Warmest month: | 24°C in July |
Coldest month: | -2°C in January |
Night temperature: | between -7°C and 18°C |
Dry days: | 194 days |
Days with rain: | 128 days |
Days with snow: | 43 days |
Total rain sum: | 350 mm |
Hours of sunshine: | 2577 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Ontario.
Precipitation graph
This graph shows the average amount of rainfall per month for Ontario.
Climate table of Ontario
In this climate table you can see at a glance what the average weather per month is for Ontario. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Ontario might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | -2 | -2 | 3 | 9 | 15 | 20 | 24 | 24 | 21 | 14 | 7 | 1 |
Night temp. (°C) | -7 | -7 | -2 | 3 | 9 | 14 | 18 | 18 | 15 | 9 | 3 | -2 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 18 | 16 | 24 | 26 | 37 | 41 | 47 | 44 | 26 | 30 | 22 | 19 |
Days with rain | 6 | 5 | 10 | 11 | 14 | 13 | 15 | 13 | 11 | 14 | 9 | 7 |
Days with snow | 11 | 10 | 6 | 2 | - | - | - | - | - | - | 4 | 10 |
Dry days | 14 | 13 | 15 | 17 | 17 | 17 | 16 | 18 | 19 | 17 | 17 | 14 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 3 | 3 | 6 | 8 | 10 | 10 | 11 | 11 | 10 | 5 | 5 | 3 |
Wind force (Bft) | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
UV-index | 1 | 2 | 2 | 3 | 4 | 5 | 6 | 6 | 4 | 3 | 2 | 1 |
Best time to visit Ontario
For visiting Ontario, the best time to visit is June through September. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in the Ontario region is 24°C in July and the lowest is -2°C in January.
Climate of Ontario by month
What is the average climate in a given month for Ontario? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Ontario weather experiences
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