Tustin (CA) Weather and Climate: A Comprehensive Guide
Temperatures see a moderate degree of fluctuation,
transitioning from very warm conditions
to pleasant.
The area is known for its low rainfall.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
In Tustin, seasonal changes bring about a moderate variation in temperatures. Average maximum daytime temperatures range from a very warm 30°C in August, the warmest time of the year, to a pleasant 20°C during cooler months like December.
At night, temperatures typically drop to an average of around 8°C during these months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Tustin experiences desert-like conditions in terms of precipitation with almost no rainfall, generally receiving 234 mm annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives moderate rainfall, averaging 66 mm of precipitation, recorded across 8 rainy days. In contrast, the drier season, August brings less rainfall, with 0.2 mm over 0 rainy days. For more details, please visit our Tustin Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Tustin. While July receives considerable daily sunshine with up to 12.3 hours, January marks the darkest time of the year, where sunshine is scarce with only 6.6 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
broken clouds and no rain broken clouds and no rain partly cloudy and no rainForecast for Tustin (CA)
3 m/s
3 m/s
3 m/s
The best time of year to visit Tustin in the United States of America
During the months of January, February, March, April, May and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
August has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 20°C.
December tops the wettest month list with 66 mm of rainfall.
August is the driest month with 0 mm of precipitation.
July is the sunniest month with an average of 369 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
