April weather forecastRiver Oaks, CA
April
Weather in April
April in River Oaks, California, is a pleasant spring month, with an average temperature varying between 42.4°F (5.8°C) and 68°F (20°C).Temperature
The onset of April brings an average high-temperature of a pleasant 68°F (20°C), nearly matching the March temperature. April presents a pronounced divergence from daily peak temperatures, with the average low-temperature of 42.4°F (5.8°C).Humidity
The average relative humidity in April in River Oaks, California, is 70%.Rainfall
In River Oaks, during April, the rain falls for 6.4 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, in River Oaks, there are 50.5 rainfall days, and 5.43" (138mm) of precipitation is accumulated.Daylight
The average length of the day in April in River Oaks is 13h and 10min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:29 pm. On the last day of April, in River Oaks, sunrise is at 6:12 am and sunset at 7:54 pm PDT.
Sunshine
In April, the average sunshine is 10.4h.UV index
In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 5 in April leads to these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
River Oaks, CA
- Average high temperature in April: 68°F
The warmest months (with the highest average high temperature) are July and August (84.7°F).
The month with the lowest average high temperature is December (57.6°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is August (54.3°F).
The coldest months (with the lowest average low temperature) are February, March and December (40.6°F).
Average pressure in April
River Oaks, CA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in April
River Oaks, CA
- Average wind speed in April: 5mph
The windiest month (with the highest average wind speed) is May (5.3mph).
The calmest month (with the lowest average wind speed) is November (3.9mph).
Average humidity in April
River Oaks, CA
- Average humidity in April: 70%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (58%).
Average rainfall in April
River Oaks, CA
- Average rainfall in April: 0.47"
The wettest month (with the highest rainfall) is December (1.02").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in April
River Oaks, CA
- Average rainfall days in April: 6.4 days
The month with the highest number of rainy days is March (9 days).
The month with the least rainy days is August (0.5 days).
Average daylight in April /
Average sunshine in April
River Oaks, CA
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in April: 10h and 24min
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 0min).
Average sunshine days in April
River Oaks, CA
- Average sunshine days in April: 23.3 days
The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (20.6 days).
Average UV index in April
River Oaks, 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, November and December (UV index 3).
Average cloud cover in April
River Oaks, CA
- Average cloud cover in April: 29
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in April
River Oaks, 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).
