The climate in Fullerton during July can be summarized as hot and a little damp.
July is in the summer in Fullerton and is typically the warmest month of the year. Daytime maximum temperatures average around 31°C (88°F), whilst at night 17°C (63°F) is normal.
Daytime temperature | 31°C 87.7°F |
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Nightly temperature | 17.3°C 63.1°F |
Average temperature | 24.1°C 75.4°F |
Daily sunshine | 12.2 hrs |
Avg rainfall | 87 mm 3.4 ins |
Rainy days | 9 days |
Sea temperature | 17°C 62.6°F |
Humidity | 65% |
Windspeed | 16.9kph 11 mph |
On average July is the 3rd wettest month of the year in Fullerton with around 87mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 12.2 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Fullerton in July 2025.
Hottest month: | July | 30.6°C 87.1°F |
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Driest month: | January | 12mm 0.5ins |
Sunniest month: | July | 12.2hrs |
Coldest month: | January | -0.2°C 31.6°F |
Wettest month: | June | 110mm 4.3ins |