The average annual temperature for Ontario, California is 20°C/68°F.
The average annual temperature for Ontario, California is 20°C/68°F.
August is the hottest or warmest month in Ontario, California, with an average maximum temperature of 35°C/95°F.
December is the coolest or coldest month in Ontario, California, with an average minimum temperature of 7°C/45°F.
14°C/57°F is the average temperature for Ontario, California in January.
14°C/57°F is the average temperature for Ontario, California in February.
16°C/61°F is the average temperature for Ontario, California in March.
19°C/66°F is the average temperature for Ontario, California in April.
20°C/68°F is the average temperature for Ontario, California in May.
24°C/75°F is the average temperature for Ontario, California in June.
27°C/81°F is the average temperature for Ontario, California in July.
27°C/81°F is the average temperature for Ontario, California in August.
26°C/79°F is the average temperature for Ontario, California in September.
22°C/72°F is the average temperature for Ontario, California in October.
17°C/63°F is the average temperature for Ontario, California in November.
13°C/55°F is the average temperature for Ontario, California in December.
Average annual rainfall for Ontario, California is 280mm (11 inches).
December is the wettest or most rainy month in Ontario, California, with an average rainfall of 70mm (3 inches).
June is the driest or least rainy month in Ontario, California, with an average rainfall of 0mm (0 inches).
On average, there are 56mm/2 inches of rain in January in Ontario, California.
On average, there are 42mm/2 inches of rain in February in Ontario, California.
On average, there are 42mm/2 inches of rain in March in Ontario, California.
On average, there are 16mm/1 inches of rain in April in Ontario, California.
On average, there are 12mm/0 inches of rain in May in Ontario, California.
On average, there are 0mm/0 inches of rain in June in Ontario, California.
On average, there are 4mm/0 inches of rain in July in Ontario, California.
On average, there are 0mm/0 inches of rain in August in Ontario, California.
On average, there are 5mm/0 inches of rain in September in Ontario, California.
On average, there are 9mm/0 inches of rain in October in Ontario, California.
On average, there are 24mm/1 inches of rain in November in Ontario, California.
On average, there are 70mm/3 inches of rain in December in Ontario, California.
Yes, Ontario, California is further west than the prime meridian (zero degrees longitude), which means it is in the Western Hemisphere. The midpoint of Ontario, California is further west than the prime meridian (zero degrees longitude) by approximately 5,111 miles (8,225km).
No, Ontario, California is not further east than the prime meridian (zero degrees longitude), which means it is not in the Eastern Hemisphere.
Yes, Ontario, California is further north than the equator, which means it is in the Northern Hemisphere. The midpoint of Ontario, California is approximately 2,353 miles (3,787km) north of the equator.
No, Ontario, California is not further south than the equator, which means it is not in the Southern Hemisphere.