Flights to Ontario, CA, United States

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Weather in Ontario

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January18°C7°C
February18°C7°C
March20°C8°C
April23°C10°C
May25°C12°C
June29°C16°C
July33°C19°C
August33°C20°C
September32°C18°C
October27°C15°C
November22°C10°C
December17°C7°C
Hottest Month
33°C
August
Coldest month
7°C
February
Sunny days
340
days per year

14 day forecast

Friday
13 Dec
17°C9°C
20 Dec
22°C12°C
Saturday
14 Dec
18°C9°C
21 Dec
22°C12°C
Sunday
15 Dec
20°C7°C
22 Dec
22°C13°C
Monday
16 Dec
23°C9°C
23 Dec
21°C12°C
Tuesday
17 Dec
21°C10°C
24 Dec
17°C10°C
Wednesday
18 Dec
21°C12°C
25 Dec
19°C9°C
Thursday
19 Dec
22°C12°C
26 Dec
21°C11°C

Cheapest month to fly to Ontario

Explore price trends for trips to Ontario

Annual Avg. Price426 GBP
December 2024545 GBP
January 2025307 GBP
February 2025263 GBP
March 2025305 GBP
April 2025426 GBP
May 2025434 GBP
June 2025496 GBP
July 2025670 GBP
August 2025486 GBP
September 2025395 GBP
October 2025395 GBP
November 2025397 GBP

Frequently asked questions

Main airports in Ontario, California
Getting from the airport to Ontario, California
Best time of year to fly to Ontario, California
Things to do in Ontario, California
When to book your flight to Ontario, California
Ideal duration of stay in Ontario, California
Top tourist attractions in Ontario, California
Safety walking at night in Ontario, California
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