May weather forecast
Sun Valley, FL

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Weather in May

The last month of the spring, May, is another warm month in Sun Valley, Florida, with an average temperature fluctuating between 75.7°F (24.3°C) and 81.3°F (27.4°C).

Temperature

As Sun Valley welcomes May, the average high-temperature records at a still warm 81.3°F (27.4°C), marking an insignificant deviation from the prior month. Sun Valley, in the month of May, notes an average low temperature of 75.7°F (24.3°C), indicating a small decrease from the daytime highs.

Heat index

The average heat index in May is appraised at a hot 86°F (30°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

In Sun Valley, the average relative humidity in May is 74%.

Rainfall

In Sun Valley, in May, it is raining for 20.2 days, with typically 5.67" (144mm) of accumulated precipitation. In Sun Valley, during the entire year, the rain falls for 238.3 days and collects up to 54.53" (1385mm) of precipitation.

Daylight

The average length of the day in May is 13h and 28min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:53 pm. On the last day of May, sunrise is at 6:27 am and sunset at 8:09 pm EDT.

Sunshine

In May, the average sunshine is 10.4h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 7 during May, leads to the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Jun 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Sun Valley?

In Sun Valley, in May, the average high-temperature is 81.3°F (27.4°C), and the average low-temperature is 75.7°F (24.3°C). In May, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 86°F (30°C).

What is the average humidity in May?

The average relative humidity in May is 74%.

How much does it rain in May?

In Sun Valley, in May, it is raining for 20.2 days, with typically 5.67" (144mm) of accumulated precipitation.

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

In Sun Valley, the average day length in May is 13h and 28min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:42 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:09 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 10.4h.

What is the month with the highest UV index?

May through September, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
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, FL

Average temperature in May - Sun Valley, FL
  • Average high temperature in May: 81.3°F

The warmest month (with the highest average high temperature) is August (86.7°F).
The month with the lowest average high temperature is January (72.5°F).

  • Average low temperature in May: 75.7°F

The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is January (64°F).

Average pressure in May
Sun Valley, FL

Average pressure in May - Sun Valley, FL
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).

Average wind speed in May
Sun Valley, FL

Average wind speed in May - Sun Valley, FL
  • Average wind speed in May: 10.3mph

The windiest month (with the highest average wind speed) is March (11.5mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

Average humidity in May
Sun Valley, FL

Average humidity in May - Sun Valley, FL
  • Average humidity in May: 74%

The months with the highest relative humidity are June and December (76%).
The month with the lowest relative humidity is March (70%).

Average rainfall in May
Sun Valley, FL

Average rainfall in May - Sun Valley, FL
  • Average rainfall in May: 5.67"

The wettest month (with the highest rainfall) is August (9.06").
The driest month (with the least rainfall) is January (1.3").

Average rainfall days in May
Sun Valley, FL

Average rainfall days in May - Sun Valley, FL
  • Average rainfall days in May: 20.2 days

The month with the highest number of rainy days is August (27.3 days).
The month with the least rainy days is February (13.3 days).

Average daylight in May /
Average sunshine in May
Sun Valley, FL

Average daylight in May / Average sunshine in May - Sun Valley, FL
  • Average daylight in May: 13h and 3min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in May: 10h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 6h and 0min).

Average sunshine days in May
Sun Valley, FL

Average sunshine days in May - Sun Valley, FL
  • Average sunshine days in May: 8.7 days

The month with the most sunshine days is March (12.7 days).
The month with the least sunshine days is July (2.3 days).

Average UV index in May
Sun Valley, FL

Average UV index in May - Sun Valley, FL
  • Average UV index in May: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 5).

Average cloud cover in May
Sun Valley, FL

Average cloud cover in May - Sun Valley, FL
  • Average cloud cover in May: 30

The months with the most cloud cover are January, October, November and December (Cloud cover 36).
The months with the least cloud cover are April and July (Cloud cover 29).

Average visibility in May
Sun Valley, FL

Average visibility in May - Sun Valley, FL
  • 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).

Sun Valley, Florida, USA

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