Weather in May 2025

Fullerton weather in May 2025

The temperatures in Fullerton in May are comfortable with low of 14°C and and high up to 23°C.

The wather in Fullerton in May can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.

Our weather forecast can give you a great sense of what weather to expect in Fullerton in May 2025.

If you’re planning to visit Fullerton in the near future, we highly recommend that you review the 14 day weather forecast for Fullerton before you arrive.

Temperatures
Temperatures
23° / 14°
Rainy Days
Rainy Days
1
Snowy Days
Snowy Days
0
Dry Days
Dry Days
30
Rainfall
Rainfall
7
mm
10.3
Sun Hours
10.3
Hrs

Fullerton annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 20° / 10° 3 28 0 63 mm
Good
February 20° / 10° 3 26 0 52 mm
Good
March 21° / 11° 3 28 0 47 mm
Good
April 22° / 13° 1 29 0 17 mm
Good
May 23° / 14° 1 30 0 7 mm
Perfect
June 26° / 16° 0 30 0 1 mm
Perfect
July 29° / 19° 1 31 0 2 mm
Good
August 30° / 20° 0 31 0 1 mm
Good
September 30° / 20° 0 30 0 4 mm
Good
October 27° / 17° 1 30 0 12 mm
Perfect
November 23° / 13° 2 28 0 19 mm
Perfect
December 19° / 10° 4 27 0 71 mm
Good
Temperatures in Fullerton in May
Rain in Fullerton in May

Weather in Fullerton in May - FAQ

What is the average temperature in Fullerton in May?
The average temperature in Fullerton in May is 14/23° C.
What is the chance of rain in Fullerton in May?
On average, there are 1 rainy days in Fullerton during May.
Weather wise, is May a good time to visit Fullerton?
The weather in Fullerton in May is perfect.
Can it snow in Fullerton in May?
On average, there are 0 snowy days in Fullerton in May.
More about the weather in Fullerton