May weather forecast and climate
Sun Valley, CA

Weather in May

The last month of the spring, May, is a moderately hot month in Sun Valley, California, with average temperature ranging between min 54.3°F (12.4°C) and max 73.8°F (23.2°C).

Temperature

In Sun Valley, the average high-temperature is relatively the same as in April - a warm 73.8°F (23.2°C). In Sun Valley, the average low-temperature is 54.3°F (12.4°C).

Humidity

In May, the average relative humidity is 58%.

Rainfall

In Sun Valley, in May, during 2.9 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, there are 40.1 rainfall days, and 5.87" (149mm) of precipitation is accumulated.

Daylight

The average length of the day in May is 14h.

Sunshine

In May, the average sunshine in Sun Valley is 11.7h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in May in Sun Valley?

The average high-temperature, in May, in Sun Valley, California, is 73.8°F (23.2°C), while the average low-temperature is 54.3°F (12.4°C).

What is the average humidity in May in Sun Valley?

In Sun Valley, California, the average relative humidity in May is 58%.

How much does it rain in Sun Valley in May?

In Sun Valley, in May, it is raining for 2.9 days, with typically 0.16" (4mm) of accumulated precipitation.

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

In May, the average length of the day is 14h.

How many hours of sunshine does Sun Valley have in May?

In May, the average sunshine is 11.7h.

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

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in May
Sun Valley, CA

Average temperature in May - Sun Valley, CA
  • Average high temperature in May: 73.8°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 May: 54.3°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 May
Sun Valley, CA

Average pressure in May - Sun Valley, CA
  • Average pressure in May: 29.93"

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 May
Sun Valley, CA

Average wind speed in May - Sun Valley, CA
  • Average wind speed in May: 5.5mph

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 May
Sun Valley, CA

Average humidity in May - Sun Valley, CA
  • Average humidity in May: 58%

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 May
Sun Valley, CA

Average rainfall in May - Sun Valley, CA
  • Average rainfall in May: 0.16"

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 May
Sun Valley, CA

Average rainfall days in May - Sun Valley, CA
  • Average rainfall days in May: 2.9 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 May /
Average sunshine in May
Sun Valley, CA

Average daylight in May / Average sunshine in May - Sun Valley, CA
  • Average daylight in May: 14h

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 May: 11.7h

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 May
Sun Valley, CA

Average sunshine days in May - Sun Valley, CA
  • Average sunshine days in May: 26.1 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 May
Sun Valley, CA

Average UV index in May - Sun Valley, CA
  • Average UV index in May: 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 May
Sun Valley, CA

Average cloud cover in May - Sun Valley, CA
  • Average cloud cover in May: 12

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 May
Sun Valley, CA

Average visibility in May - Sun Valley, CA
  • Average visibility in May: 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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