Yosemite National Park is definitely worth a visit
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Aliso Viejo (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Aliso Viejo.
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Climate overview of Aliso Viejo
Temperatures in Aliso Viejo, California, United States of America, shift moderately through the seasons. The warmest month is September at 30°C (86°F), and the coolest is December at 19°C (66°F).
The city tends toward dry conditions, with around 257 mm (10 in) of rainfall per year. It does, however, have a distinct dry season from March to November, with warm summers and pleasant winters. Sunshine peaks in July, when the city sees around 12.3 hours of sunshine per day.
Aliso Viejo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Aliso Viejo - and find the best time to visit.
Monthly Temperature in Aliso Viejo
The climate in Aliso Viejo 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 19°C (66°F) in the coolest month, December.
Nights vary from 17°C (63°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 Aliso Viejo
Aliso Viejo has a relatively dry climate with low precipitation, averaging 257 mm (10 in) of rainfall annually. The climate in Aliso Viejo shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 75 mm (3 in) of precipitation over 8 rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 0.3 mm (0.01 in) of rainfall over 0 rainy days. For more details, please visit our Aliso Viejo 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 Aliso Viejo
For those who appreciate different seasons, Aliso Viejo 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
Data from: Corona, the United States of America (36 KM, 22 Miles).
Daily hours of sunshine
Data from: Corona, the United States of America (36 KM, 22 Miles).
Best Time to Visit Aliso Viejo
The most comfortable overall weather for exploring Aliso Viejo is usually found in January, February, March, April, May, June, July, October and November. Conditions are generally least comfortable in August, September and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
excellent
Apr
excellent
May
excellent
Jun
excellent
Jul
excellent
Aug
very good
Sep
very good
Oct
excellent
Nov
excellent
Dec
very good
- Best overall: January, February, March, April, May, June, July, October and November
- Warmest weather: July, August and September
- Most sunshine: July and August
- Fewest rainy days: June, July, August and September
- Seasonal pattern: A distinct dry season from March to November, with warm summers and pleasant winters
Frequently asked questions about the climate in Aliso Viejo
What is the best time to visit Aliso Viejo?
January, February, March, April, May, June, July, October and November typically offer the most optimal weather in Aliso Viejo. In contrast, August, September and December tend to have less optimal conditions. Aliso Viejo has a distinct dry season from March to November, with warm summers and pleasant winters.
What temperatures can I expect in Aliso Viejo?
Daytime highs range from 19°C (66°F) in December to 30°C (86°F) in September. Nighttime lows range from 8°C (46°F) to 17°C (63°F).
How much rain does Aliso Viejo get?
Annual rainfall is around 257 mm (10 in). December is the wettest month with 75 mm (3 in), while August is the driest with 0.3 mm (0.01 in).
How sunny is Aliso Viejo?
Aliso Viejo 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, Aliso Viejo enjoys abundant sunshine.
Aliso Viejo 3-Day Forecast
Aliso Viejo on the map
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