California · United States

Ontario travel guide

Ontario is a city in California, United States, home to about 175,000 people.

Best months
April to June and September to November
Nearest airport
ONT3 km · Ontario International Airport
Currency
USDUnited States dollar
Time zone
America/Los Angeles
Language
Carolinian, Chamorro, Hawaiian

Things to do

What to see and do in Ontario

See

  • Museum of History and Art
  • Ontario Convention Center

Wikivoyage contributors, CC BY-SA 4.0; excerpted.

Where to stay

Hotels in Ontario

2 hotels within 25 km of the centre, as recorded in Wikidata. Each name links to its encyclopedia article where there is one.

HotelTypeOpenedFrom centreWebsite
DoubleTree by Hilton Ontario Airporthotel2.2 km
Ontario Airport Hotel & Conference Centerhotel5.3 km

When to go

The best time to visit Ontario

The most comfortable months for a city stay in Ontario are April to June and September to November. August is the warmest month, with average highs of 32 °C; January is the wettest, with about 88 mm of rain.

0°16°32°JanFebMarAprMayJunJulAugSepOctNovDec100 mm
Average highAverage lowRain per monthComfortable months

Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).

Getting there

Getting to Ontario: airports and arrival

The nearest airport with scheduled flights is Ontario International Airport (ONT), about 2.5 km from the city centre in a straight line; San Bernardino International Airport (SBD, 36 km) and John Wayne Orange County International Airport (SNA, 48 km) are also within reach.

large airport

ONT · Ontario International Airport

2.5 km from the centreICAO KONT
large airport

SBD · San Bernardino International Airport

36.4 km from the centreICAO KSBD
large airport

SNA · John Wayne Orange County International Airport

47.6 km from the centreICAO KSNA

Questions

Ontario: questions travellers ask

When is the best time to visit Ontario?

The most comfortable months for a city stay in Ontario are April to June and September to November. August is the warmest month, with average highs of 32 °C; January is the wettest, with about 88 mm of rain.

Which airport is closest to Ontario?

The nearest airport with scheduled flights is Ontario International Airport (ONT), about 2.5 km from the city centre in a straight line; San Bernardino International Airport (SBD, 36 km) and John Wayne Orange County International Airport (SNA, 48 km) are also within reach.

What currency is used in Ontario?

United States dollar (USD).

Nearby

Destinations near Ontario

Sources: city facts from Wikidata and Wikipedia; airports from OurAirports; climate from CRU TS v4.10 (University of East Anglia Climatic Research Unit), 1991–2020 monthly means, 0.5° grid; places to stay, guest scores and amenities from each operator's own public pages. How this guide is made.