May weather forecast
Sun Valley, CA

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Weather in May

May, the last month of the spring in Sun Valley, is a warm month, with temperature in the range of an average high of 73.8°F (23.2°C) and an average low of 54.3°F (12.4°C).

Temperature

The advent of May observes an average high-temperature of a moderately hot 73.8°F (23.2°C), nearly identical to April's 70.7°F (21.5°C). May in Sun Valley is noted for a mean low-temperature of 54.3°F (12.4°C).

Humidity

The average relative humidity in May is 58%.

Rainfall

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

Daylight

The average length of the day in May in Sun Valley is 13h and 58min.
On the first day of the month, sunrise is at 6:02 am and sunset at 7:38 pm. On the last day of May, sunrise is at 5:42 am and sunset at 8:00 pm PDT.

Sunshine

The average sunshine in May in Sun Valley is 11.7h.

UV index

In Sun Valley, California, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 5 in May translates into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What are the temperatures in Sun Valley in May?

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

What is the average humidity in May in Sun Valley?

In Sun Valley, 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 Sun Valley, California, the average day length in May is 13h and 58min.

When are sunrise and sunset in May in Sun Valley?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 7:38 pm. On the last day of the month, in Sun Valley, California, sunrise is at 5:42 am and sunset at 8:00 pm PDT.

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

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

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

The average daily maximum UV index in May in Sun Valley is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"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).

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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 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: 9h and 54min).

  • Average sunshine in May: 11h and 4min

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).

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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

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).

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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

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).

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Average visibility in May
Sun Valley, CA

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

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Sun Valley, California, USA

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