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

August weather forecast and climate
Fullerton, CA

A scenic view of the trees and neat lawns of the famous Muckenthaler Community Center in Fullerton, California
A scenic view of the trees and neat lawns of the famous Muckenthaler Community Center in Fullerton, California
The last month of the summer, August, is also a moderately hot month in Fullerton, California, with average temperature ranging between min 65.3°F (18.5°C) and max 85.5°F (29.7°C).

Temperature

The warmest month is August, with an average high-temperature of 85.5°F (29.7°C) and an average low-temperature of 65.3°F (18.5°C).

Rainfall

In Fullerton, in August, 0.1" (1.3mm) of precipitation is typically accumulated. During the entire year, Fullerton aggregates up to 13.9" (352.8mm) of precipitation.

Daylight

The average length of the day in August is 13.4h.

What is the warmest month in Fullerton?

The warmest month is August, with an average high-temperature of 85.5°F (29.7°C) and an average low-temperature of 65.3°F (18.5°C).

What is the temperature in August in Fullerton?

In August, in Fullerton, California, the average high-temperature is 85.5°F (29.7°C), and the average low-temperature is 65.3°F (18.5°C).

How much does it rain in Fullerton in August?

In Fullerton, California, in August, 0.1" (1.3mm) of precipitation is typically accumulated.

How many hours of daylight does Fullerton have in August?

In Fullerton, California, the average length of the day in August is 13.4h.
Average temperature in August - Fullerton, CA
  • Average high temperature in August: 85.4°F

The warmest month (with the highest average high temperature) is August (85.4°F).
The month with the lowest average high temperature is December (67.4°F).

  • Average low temperature in August: 65.3°F

The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is January (44.6°F).

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

The wettest month (with the highest rainfall) is February (3.3").
The driest month (with the lowest rainfall) is July (0").

Average daylight in August - Fullerton, 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).