Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April denotes a minimal variation in the average high-temperature to an agreeable 68.4°F (20.2°C) from March's 65.8°F (18.8°C). In April, Aliso Viejo experiences an average nighttime temperature of 53.1°F (11.7°C).Humidity
In Aliso Viejo, the average relative humidity in April is 67%.Rainfall
In April, in Aliso Viejo, the rain falls for 6.6 days. Throughout April, 0.39" (10mm) of precipitation is accumulated. Throughout the year, there are 66.3 rainfall days, and 5.67" (144mm) of precipitation is accumulated.Daylight
The average length of the day in April is 13h and 2min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:11 pm. On the last day of April, in Aliso Viejo, California, sunrise is at 6:02 am and sunset at 7:33 pm PDT.
Sunshine
The average sunshine in April is 10.8h.UV index
In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 5 during April translates into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Aliso Viejo have in April?
What is the UV index intensity in April?
Average temperature in April
Aliso Viejo, CA
- Average high temperature in April: 68.4°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 April: 53.1°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 April
Aliso Viejo, CA
- Average pressure in April: 29.96"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 April
Aliso Viejo, CA
- Average wind speed in April: 5.9mph
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 April
Aliso Viejo, CA
- Average humidity in April: 67%
The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (56%).
Average rainfall in April
Aliso Viejo, CA
- Average rainfall in April: 0.39"
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 April
Aliso Viejo, CA
- Average rainfall days in April: 6.6 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 April /
Average sunshine in April
Aliso Viejo, CA
- Average daylight in April: 13h and 0min
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 April: 10h and 5min
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 April
Aliso Viejo, CA
- Average sunshine days in April: 20.3 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 April
Aliso Viejo, CA
- Average UV index in April: 5
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 April
Aliso Viejo, CA
- Average cloud cover in April: 22
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 April
Aliso Viejo, CA
- Average visibility in April: 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).
Aliso Viejo, California, USA
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