Garden Grove (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Garden Grove.
Climate overview of Garden Grove
Garden Grove, California, United States of America, has a moderate seasonal temperature range, with September reaching 30°C (86°F) and December cooling to 20°C (68°F).
The area sees almost no rainfall, totalling just 218 mm (8.6 in) per year. The sunniest month is July, with 12.3 hours of sunshine per day on average.
Garden Grove Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Garden Grove — and find the best time to visit.
Monthly Temperature in Garden Grove
The climate in Garden Grove experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a comfortable 30°C (86°F) in September to a pleasant 20°C (68°F) in the coolest month, December.
Nights vary from 18°C (64°F) in September to around 8°C (46°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Garden Grove
Garden Grove experiences desert-like conditions in terms of precipitation with almost no rainfall, generally receiving 218 mm (8.6 in) annually. The climate in Garden Grove shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 59 mm (2.3 in) of precipitation over 7 rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 0.1 mm (0 in) of rainfall over 0 rainy days. For more details, please visit our Garden Grove Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Garden Grove
For those who appreciate different seasons, Garden Grove serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 12.3 hours of sunshine daily, and embrace the darker days in January, offering only 6.6 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Garden Grove
While you can visit anytime with confidence, the drier months like August (with just 0 mm (0 in) rainfall) provide the most favorable conditions for extended outdoor exploration and flexible itineraries. Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.
Frequently asked questions about the climate in Garden Grove
What is the best time to visit Garden Grove?
January, February, March, April, May, June, July, October, November and December typically offer the most optimal weather in Garden Grove. In contrast, August and September tend to have less optimal conditions. Garden Grove has a distinct dry season from February to November.
What temperatures can I expect in Garden Grove?
Daytime highs range from 20°C (68°F) in December to 30°C (86°F) in September. Nighttime lows range from 8°C (46°F) to 18°C (64°F).
How much rain does Garden Grove get?
Annual rainfall is around 218 mm (8.6 in). December is the wettest month with 59 mm (2.3 in), while August is the driest with 0.1 mm (0 in).
How sunny is Garden Grove?
Garden Grove receives around 3,279 hours of sunshine per year. July is the sunniest month with 369 hours, while January is the cloudiest with just 198 hours. Overall, Garden Grove enjoys abundant sunshine.
Garden Grove 3-Day Forecast
Garden Grove (CA) 3-Day Forecast
Garden Grove on the map
Garden Grove is highlighted — select any city to see its climate.
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