April weather forecast and climate
Sun Valley, CA

Weather in April

April is an agreeable spring month in Sun Valley, California, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 50.7°F (10.4°C).

Temperature

In Sun Valley, California, the average high-temperature is relatively the same as in March - an agreeable 70.7°F (21.5°C). In April, in Sun Valley, the average low-temperature is 50.7°F (10.4°C).

Humidity

In Sun Valley, California, the average relative humidity in April is 55%.

Rainfall

In Sun Valley, during 4.1 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, there are 40.1 rainfall days, and 5.87" (149mm) of precipitation is accumulated.

Daylight

In Sun Valley, California, the average length of the day in April is 13.1h.

Sunshine

In April, the average sunshine in Sun Valley, California, is 11.3h.

UV index

In Sun Valley, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: In April, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in April in Sun Valley?

In April, the average high-temperature is 70.7°F (21.5°C), and the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in April in Sun Valley?

The average relative humidity in April is 55%.

How much does it rain in Sun Valley in April?

In Sun Valley, California, during April, the rain falls for 4.1 days and regularly aggregates up to 0.43" (11mm) of precipitation.

How many hours of daylight does Sun Valley have in April?

In April, the average length of the day in Sun Valley is 13.1h.

How long on average sun shines in April in Sun Valley?

In April, the average sunshine in Sun Valley is 11.3h.

What is the UV index intensity in April in Sun Valley?

The average daily maximum UV index in April in Sun Valley, California, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in April
Sun Valley, CA

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).

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Average pressure in April
Sun Valley, CA

Average pressure in April - Sun Valley, CA
  • Average pressure in April: 29.97"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in April
Sun Valley, CA

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).

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Average humidity in April
Sun Valley, CA

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%).

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Average rainfall in April
Sun Valley, CA

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").

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Average rainfall days in April
Sun Valley, CA

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).

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Average daylight in April /
Average sunshine in April
Sun Valley, CA

Average daylight in April / Average sunshine in April - Sun Valley, CA
  • Average daylight in April: 13.1h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in April: 11.3h

Months with the most sunshine are June, July and August (Average sunshine: 12.1h).
Months with the least sunshine are January, February and December (Average sunshine: 6.9).

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Average sunshine days in April
Sun Valley, CA

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).

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Average UV index in April
Sun Valley, CA

Average UV index in April - Sun Valley, CA
  • Average UV index in April: 5

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).

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Average cloud cover in April
Sun Valley, CA

Average cloud cover in April - Sun Valley, CA
  • Average cloud cover in April: 16

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).

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Average visibility in April
Sun Valley, CA

Average visibility in April - Sun Valley, CA
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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