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

October 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
October, the same as September, is a moderately hot autumn month in Fullerton, California, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 78.4°F (25.8°C).

Temperature

In October, the average high-temperature slightly decreases, from a moderately hot 83.8°F (28.8°C) in September, to a still warm 78.4°F (25.8°C). The average low-temperature, in October, is 57.4°F (14.1°C).

Rainfall

In Fullerton, in October, 0.8" (19.1mm) of precipitation is typically accumulated. During the entire year, Fullerton aggregates up to 13.9" (352.8mm) of precipitation.

Daylight

In Fullerton, the average length of the day in October is 11.3h.

What is the temperature in October in Fullerton?

The average high-temperature, in October, is 78.4°F (25.8°C), while the average low-temperature is 57.4°F (14.1°C).

How much does it rain in Fullerton in October?

During October, Fullerton regularly aggregates up to 0.8" (19.1mm) of precipitation.

What is the average length of the day in October in Fullerton?

In October, the average length of the day is 11.3h.
Average temperature in October - Fullerton, CA
  • Average high temperature in October: 78.5°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 October: 57.3°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 October - Fullerton, CA
  • Average rainfall in October: 0.8"

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

Average daylight in October - Fullerton, CA
  • Average daylight in October: 11.3h

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