April weather forecastRancho Santa Margarita, CA
April
Weather in April
April is an agreeable spring month in Rancho Santa Margarita, California, with an average temperature ranging between max 68.5°F (20.3°C) and min 52.7°F (11.5°C).Temperature
April brings a marginal elevation to a pleasant 68.5°F (20.3°C) from March's 66.2°F (19°C) in Rancho Santa Margarita's average high-temperatures. Throughout the month of April, the average temperature dips to a cool 52.7°F (11.5°C) at night.Humidity
In April, the average relative humidity is 66%.Rainfall
In Rancho Santa Margarita, during April, the rain falls for 7.1 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Rancho Santa Margarita, during the entire year, the rain falls for 64.2 days and collects up to 5.79" (147mm) of precipitation.Daylight
In April, the average length of the day is 13h and 3min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:11 pm. On the last day of April, sunrise is at 6:01 am and sunset at 7:33 pm PDT.
Sunshine
In Rancho Santa Margarita, the average sunshine in April is 10.7h.UV index
The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in April translates into the following instructions:
Act with care - The need to guard against sun damage is communicated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Rancho Santa Margarita, CA
- Average high temperature in April: 68.5°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 (63°F).
- Average low temperature in April: 52.7°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is February (48.9°F).
Average pressure in April
Rancho Santa Margarita, CA
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in April
Rancho Santa Margarita, 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 August (4.5mph).
Average humidity in April
Rancho Santa Margarita, CA
- Average humidity in April: 66%
The months with the highest relative humidity are May and June (70%).
The month with the lowest relative humidity is November (56%).
Average rainfall in April
Rancho Santa Margarita, CA
- Average rainfall in April: 0.43"
The wettest month (with the highest rainfall) is December (1.02").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in April
Rancho Santa Margarita, CA
- Average rainfall days in April: 7.1 days
The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is June (1.9 days).
Average daylight in April /
Average sunshine in April
Rancho Santa Margarita, CA
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in April: 10h and 42min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in April
Rancho Santa Margarita, CA
- Average sunshine days in April: 20.1 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is February (19.8 days).
Average UV index in April
Rancho Santa Margarita, 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
Rancho Santa Margarita, 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
Rancho Santa Margarita, 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).





