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's advent notes a subtle adjustment in average high-temperature to a pleasant 70.2°F (21.2°C) from March. During the month of April, an average low-temperature of 49.8°F (9.9°C) is recorded.Humidity
In April, the average relative humidity is 65%.Rainfall
In Rancho Bernardo, in April, it is raining for 6.2 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 54.7 rainfall days, and 8.15" (207mm) of precipitation is accumulated.Daylight
The average length of the day in April is 13h and 1min.On the first day of April, sunrise is at 6:34 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:30 pm PDT.
Sunshine
The average sunshine in April is 10.8h.UV index
The average daily maximum UV index in April in Rancho Bernardo is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In April, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How much does it rain in Rancho Bernardo in April?
How many hours of daylight does Rancho Bernardo have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Rancho Bernardo have in April?
How high is the UV index in April?
Average temperature in April
Rancho Bernardo, CA
- Average high temperature in April: 70.2°F
The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is December (63.9°F).
- Average low temperature in April: 49.8°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 (47.1°F).
Average pressure in April
Rancho Bernardo, CA
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.87"Hg).
Average wind speed in April
Rancho Bernardo, CA
- Average wind speed in April: 5.5mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are September and October (4.3mph).
Average humidity in April
Rancho Bernardo, CA
- Average humidity in April: 65%
The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is November (54%).
Average rainfall in April
Rancho Bernardo, CA
- Average rainfall in April: 0.71"
The wettest month (with the highest rainfall) is February (1.61").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in April
Rancho Bernardo, CA
- Average rainfall days in April: 6.2 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.6 days).
Average daylight in April /
Average sunshine in April
Rancho Bernardo, 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 month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 42min).
Average sunshine days in April
Rancho Bernardo, CA
- Average sunshine days in April: 23.5 days
The month with the most sunshine days is June (27 days).
The month with the least sunshine days is February (21.2 days).
Average UV index in April
Rancho Bernardo, 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, November and December (UV index 4).
Average cloud cover in April
Rancho Bernardo, CA
- Average cloud cover in April: 21
The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in April
Rancho Bernardo, 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).
Rancho Bernardo, California, USA
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