Ontario
California, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Ontario, CA

A clear street near the luxurious residential estate in Ontario, California, with a scenic background of a hilly landscape, the clear blue sky
A clear street near the luxurious residential estate in Ontario, California, with a scenic background of a hilly landscape, the clear blue sky
July in Ontario, California, is a hot summer month, with average temperature varying between 63.3°F (17.4°C) and 92.1°F (33.4°C).

Temperature

In Ontario, the average high-temperature slightly increases, from a moderately hot 85.5°F (29.7°C) in June, to a tropical 92.1°F (33.4°C). In July, the average low-temperature is 63.3°F (17.4°C).

Rainfall

July is the month with the least rainfall, with 0.1" (2.3mm) of accumulated precipitation.

Daylight

In Ontario, the average length of the day in July is 14.2h.

What is the temperature in July in Ontario?

The average high-temperature, in July, in Ontario, California, is 92.1°F (33.4°C), while the average low-temperature is 63.3°F (17.4°C).

How much does it rain in Ontario in July?

In Ontario, California, in July, 0.1" (2.3mm) of precipitation is typically accumulated.

What is the driest month in Ontario?

The month with the least rainfall is July when 0.1" (2.3mm) of precipitation is typically aggregated.

What is the average length of the day in July in Ontario?

In Ontario, California, the average length of the day in July is 14.2h.
Average temperature in July - Ontario, CA
  • Average high temperature in July: 92.2°F

The warmest month (with the highest average high temperature) is August (93.6°F).
The month with the lowest average high temperature is January (65.2°F).

  • Average low temperature in July: 63.3°F

The month with the highest average low temperature is August (64.7°F).
The coldest month (with the lowest average low temperature) is December (42.7°F).

Average rainfall in July - Ontario, CA
  • Average rainfall in July: 0.1"

The wettest month (with the highest rainfall) is February (3.4").
Driest months (with the lowest rainfall) are June, July and August (0.1").

Average daylight in July - Ontario, CA
  • Average daylight in July: 14.2h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).