Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's arrival sees a mild rise in the average high-temperature, transitioning from April's agreeable 68.5°F (20.3°C) to a warm 76.8°F (24.9°C). Sun Valley's nighttime temperatures in May reflect a stark contrast to the day's highs, falling to an average low of 52.7°F (11.5°C).Humidity
In Sun Valley, the average relative humidity in May is 24%.Rainfall
In Sun Valley, in May, during 4.7 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. Throughout the year, there are 74.3 rainfall days, and 7.2" (183mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Sun Valley, the average length of the day in May is 14h and 1min.On the first day of May, sunrise is at 5:28 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 7:28 pm MST.
Sunshine
In Sun Valley, the average sunshine in May is 11.7h.UV index
In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 6 suggests this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Sun Valley have in May?
When are sunrise and sunset in May?
How long on average sun shines in May in Sun Valley?
What is the UV index reading in May?
Average temperature in May
Sun Valley, AZ
- Average high temperature in May: 76.8°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (46.8°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in May
Sun Valley, AZ
- Average pressure in May: 29.88"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in May
Sun Valley, AZ
- Average wind speed in May: 10.6mph
The windiest months (with the highest average wind speed) are April and May (10.6mph).
The calmest month (with the lowest average wind speed) is January (6.1mph).
Average humidity in May
Sun Valley, AZ
- Average humidity in May: 24%
The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (18%).
Average rainfall in May
Sun Valley, AZ
- Average rainfall in May: 0.31"
The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is June (0.16").
Average rainfall days in May
Sun Valley, AZ
- Average rainfall days in May: 4.7 days
The month with the highest number of rainy days is July (13.3 days).
The months with the least rainy days are June and November (3.4 days).
Average snowfall in May
Sun Valley, AZ
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Sun Valley, AZ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (3.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sun Valley, AZ
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 11h and 4min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in May
Sun Valley, AZ
- Average sunshine days in May: 25.3 days
The months with the most sunshine days are May, June and November (25.3 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in May
Sun Valley, AZ
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Sun Valley, AZ
- Average cloud cover in May: 12
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility in May
Sun Valley, AZ
- 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, Arizona, USA
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