April weather forecastSun Valley, CA
April
Weather in April
April is an agreeable spring month in Sun Valley, California, with an average temperature ranging between max 70.7°F (21.5°C) and min 50.7°F (10.4°C).Temperature
April's commencement is accompanied by an average high-temperature of an agreeable 70.7°F (21.5°C), diverging marginally from March's 66.6°F (19.2°C). Sun Valley experiences an average low-temperature of 50.7°F (10.4°C) in month of April.Humidity
In April, the average relative humidity is 55%.Rainfall
In Sun Valley, in April, it is raining for 4.1 days, with typically 0.43" (11mm) of accumulated precipitation. In Sun Valley, during the entire year, the rain falls for 40.1 days and collects up to 5.87" (149mm) of precipitation.Daylight
The average length of the day in April is 13h and 4min.On the first day of April, sunrise is at 6:39 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:37 pm PDT.
Sunshine
The average sunshine in April is 11.3h.UV index
In Sun Valley, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 5 in April transforms into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sun Valley, CA
- Average high temperature in April: 70.7°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in April: 50.7°F
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is December (46.2°F).
Average pressure in April
Sun Valley, CA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Sun Valley, CA
- Average wind speed in April: 5.9mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity in April
Sun Valley, CA
- Average humidity in April: 55%
The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (48%).
Average rainfall in April
Sun Valley, CA
- Average rainfall in April: 0.43"
The wettest month (with the highest rainfall) is December (1.18").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in April
Sun Valley, CA
- Average rainfall days in April: 4.1 days
The month with the highest number of rainy days is March (5.2 days).
The month with the least rainy days is June (1 days).
Average daylight in April /
Average sunshine in April
Sun Valley, CA
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 11h and 18min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).
Average sunshine days in April
Sun Valley, CA
- Average sunshine days in April: 25.8 days
The month with the most sunshine days is October (27.1 days).
The month with the least sunshine days is February (22.9 days).
Average UV index in April
Sun Valley, CA
- Average UV index in April: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in April
Sun Valley, CA
- Average cloud cover in April: 16
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in April
Sun Valley, 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).





