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

August weather forecast and climate
Fontana, CA

August, the last month of the summer, in Fontana, is also a sweltering month, with average temperature fluctuating between 64°F (17.8°C) and 96.1°F (35.6°C).

Temperature

August is the warmest month, with an average high-temperature of 96.1°F (35.6°C) and an average low-temperature of 64°F (17.8°C).

Rainfall

January through June, August through December are months with rainfall in Fontana. August is the first month it rains. Throughout August, Fontana receives 0.1" (2.8mm) of precipitation. Throughout the year, in Fontana, 14.8" (375.2mm) of rain is accumulated.

Daylight

In August, the average length of the day in Fontana is 13.4h.

What is the warmest month in Fontana?

With an average high-temperature of 96.1°F (35.6°C) and an average low-temperature of 64°F (17.8°C), August is the warmest month in Fontana, California.

What is the temperature in August in Fontana?

The average high-temperature, in August, in Fontana, is 96.1°F (35.6°C), while the average low-temperature is 64°F (17.8°C).

When does it start raining in Fontana?

August is the first month it rains in Fontana. Throughout August, Fontana receives 0.1" (2.8mm) of precipitation.

What is the average length of the day in August in Fontana?

In Fontana, the average length of the day in August is 13.4h.
Average temperature in August - Fontana, CA
  • Average high temperature in August: 96°F

The warmest month (with the highest average high temperature) is August (96°F).
The month with the lowest average high temperature is January (69°F).

  • Average low temperature in August: 64°F

The month with the highest average low temperature is August (64°F).
Coldest months (with the lowest average low temperature) are January and December (46°F).

Average rainfall in August - Fontana, CA
  • Average rainfall in August: 0.1"

Wettest months (with the highest rainfall) are January and March (3.5").
Driest months (with the lowest rainfall) are June and July (0").

Average daylight in August - Fontana, CA
  • Average daylight in August: 13.4h

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