When to visit
Ontario?

Discover the best time of year, based on historical climate, temperature, and precipitation.

Ontario
California Republic · United States of America

The best weather in Ontario is from May, October, November.consistent weather climate

Climate score
June
91

Perfect climate

☀️Pleasant

Temperature
15–30°C
Cool nights
Feels like
15–30°C
Comfortable
Precipitation
1mm
Light drizzle · 1 days
Sunshine
12.7h
Mostly clear
Humidity (%)
60%
Comfortable
Annual Climate Analysis
Temperature, Rain & Feels Like
Rain
Actual Temp
Feels Like
10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly Overview
Score617076939491615877969465
ClimateCool & rainyMildMildMildPleasantPleasantHot & dryHot & dryPleasantPleasantMildMild
Temperature7–18°C8–19°C9–20°C11–24°C12–25°C15–30°C18–34°C19–34°C18–32°C15–28°C10–23°C8–18°C
Feels like5–16°C5–17°C7–19°C10–23°C12–24°C15–30°C19–34°C20–35°C18–32°C14–27°C8–20°C5–16°C
Precipitation102mm
8 days
84mm
8 days
90mm
11 days
25mm
5 days
15mm
4 days
1mm
1 days
3mm
0 days
8mm
1 days
19mm
2 days
14mm
3 days
30mm
4 days
78mm
7 days
Sunshine8.2h
☀︎ 81%
8.9h
☀︎ 81%
9.9h
☀︎ 82%
10.9h
☀︎ 83%
11.3h
☀︎ 81%
12.7h
☀︎ 89%
13.5h
☀︎ 95%
12.5h
☀︎ 93%
11.1h
☀︎ 90%
10.1h
☀︎ 89%
9.3h
☀︎ 90%
8.1h
☀︎ 82%
WindNE · 12 km/hN · 14 km/hW · 15 km/hW · 18 km/hW · 19 km/hW · 19 km/hW · 19 km/hW · 18 km/hW · 17 km/hW · 15 km/hN · 13 km/hNE · 12 km/h
Humidity (%)63%58%64%59%66%60%56%55%56%50%46%55%
Day length10.2h11.0h12.0h13.1h13.9h14.4h14.2h13.4h12.4h11.3h10.4h9.9h

Frequently asked questions

What is the best time to visit Ontario?

The best time to visit Ontario is April, October, May, June, September, March, November, February, with temperatures between 8 °C and 32 °C. The best month is April. April is low season.

What is the weather like in Ontario?

Ontario has a climate with an overall score of 7.8/10. Annual temperatures range from 7 °C to 34 °C.

What is the hottest month in Ontario?

The hottest month in Ontario is July, with average highs of 34 °C and lows of 18 °C.

What is the rainiest month in Ontario?

The rainiest month in Ontario is January, with an average of 102 mm of precipitation.