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
Transitioning from March to April, Vista observes an average high-temperature of a pleasant 68°F (20°C), differing subtly from the previous month. Vista's temperature tends to fall to an average low of 51.4°F (10.8°C) during the nights of April.Humidity
In April, the average relative humidity is 67%.Rainfall
In Vista, in April, during 6.3 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Vista, during the entire year, the rain falls for 62.9 days and collects up to 9.17" (233mm) of precipitation.Daylight
In April, the average length of the day is 13h and 2min.On the first day of April, sunrise is at 6:35 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:31 pm PDT.
Sunshine
In April, the average sunshine is 10.9h.UV index
In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 in April translates into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Vista in April?
What is the average humidity in April?
How many days does it rain in April?
What is the average length of the day in April?
When is the sunrise / sunset in April in Vista?
How many hours of sunshine does Vista have in April?
What is the UV index intensity in April?
Average temperature in April
Vista, CA
- Average high temperature in April: 68°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (62.6°F).
- Average low temperature in April: 51.4°F
The month with the highest average low temperature is August (63.9°F).
The coldest month (with the lowest average low temperature) is February (48.4°F).
Average pressure in April
Vista, 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 (29.87"Hg).
Average wind speed in April
Vista, CA
- Average wind speed in April: 5.8mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).
Average humidity in April
Vista, CA
- Average humidity in April: 67%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is November (57%).
Average rainfall in April
Vista, CA
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in April
Vista, CA
- Average rainfall days in April: 6.3 days
The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is June (1.6 days).
Average daylight in April /
Average sunshine in April
Vista, 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 42min).
Average sunshine days in April
Vista, CA
- Average sunshine days in April: 22.6 days
The month with the most sunshine days is October (24.6 days).
The month with the least sunshine days is February (19.7 days).
Average UV index in April
Vista, CA
- Average UV index in April: 5
The months with the highest UV index are June, July and August (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
Vista, CA
- Average cloud cover in April: 21
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in April
Vista, 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).
Vista, California, USA
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