July weather forecastAliso Viejo, CA
July
Weather in July
July, the same as June, is another warm summer month in Aliso Viejo, California, with an average temperature ranging between min 63.1°F (17.3°C) and max 78.4°F (25.8°C).Temperature
Aliso Viejo sees the arrival of July with an average high-temperature of a still warm 78.4°F (25.8°C), indicating a subtle variation from June. Aliso Viejo observes an average nighttime temperature of 63.1°F (17.3°C) during July.Humidity
The average relative humidity in July is 67%.Rainfall
In Aliso Viejo, in July, during 5.5 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, there are 66.3 rainfall days, and 5.67" (144mm) of precipitation is accumulated.Daylight
In July, the average length of the day is 14h and 7min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:05 pm. On the last day of July, sunrise is at 6:03 am and sunset at 7:51 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 12h of sunshine.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index in Aliso Viejo. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: In July, the maximum UV index of 6 transforms into these recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Aliso Viejo, CA
- Average high temperature in July: 78.4°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (62.8°F).
- Average low temperature in July: 63.1°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).
Average pressure in July
Aliso Viejo, CA
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in July
Aliso Viejo, CA
- Average wind speed in July: 4.9mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.7mph).
Average humidity in July
Aliso Viejo, CA
- Average humidity in July: 67%
The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (56%).
Average rainfall in July
Aliso Viejo, CA
- Average rainfall in July: 0.43"
The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in July
Aliso Viejo, CA
- Average rainfall days in July: 5.5 days
The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is June (2.6 days).
Average daylight in July /
Average sunshine in July
Aliso Viejo, CA
- Average daylight in July: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in July: 12h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in July
Aliso Viejo, CA
- Average sunshine days in July: 21.8 days
The month with the most sunshine days is January (24.1 days).
The month with the least sunshine days is February (19.6 days).
Average UV index in July
Aliso Viejo, CA
- Average UV index in July: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in July
Aliso Viejo, CA
- Average cloud cover in July: 10
The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in July
Aliso Viejo, CA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





