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
As Alta welcomes May, the average high-temperature sees a modest rise, transitioning from a cool 55.2°F (12.9°C) in April to a refreshing 63.1°F (17.3°C). Alta observes a noteworthy temperature drop from the daily highs during May nights, with a mean temperature of 40.6°F (4.8°C).Humidity
In May, the average relative humidity is 64%.Rainfall
In May, the rain falls for 10.1 days. Throughout May, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 72.9 rainfall days, and 36.06" (916mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Alta, in May, during 2.2 snowfall days, 6.65" (169mm) of snow is typically accumulated. In Alta, during the entire year, snow falls for 53.3 days and aggregates up to 151.57" (3850mm) of snow.Daylight
In May, the average length of the day is 14h and 20min.On the first day of May, sunrise is at 6:03 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:23 pm PDT.
Sunshine
The average sunshine in May is 10.6h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
How many days does it snow in May?
How many hours of daylight does Alta have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Alta have in May?
How high is the UV index in May?
Average temperature in May
Alta, CA
- Average high temperature in May: 63.1°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in May: 40.6°F
The month with the highest average low temperature is July (52.9°F).
The coldest month (with the lowest average low temperature) is December (29.1°F).
Average pressure in May
Alta, CA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Alta, CA
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Alta, CA
- Average humidity in May: 64%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is July (39%).
Average rainfall in May
Alta, CA
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is March (7.09").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in May
Alta, CA
- Average rainfall days in May: 10.1 days
The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is July (1.8 days).
Average snowfall in May
Alta, CA
- Average snowfall in May: 6.65"
The month with the highest snowfall is March (37.6").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Alta, CA
- Average snowfall days in May: 2.2 days
The month with the highest number of snowfall days is March (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Alta, CA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in May
Alta, CA
- Average sunshine days in May: 18.3 days
The month with the most sunshine days is July (28 days).
The month with the least sunshine days is March (12.6 days).
Average UV index in May
Alta, CA
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Alta, CA
- Average cloud cover in May: 26
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in May
Alta, CA
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and April (5mi).
Alta, California, USA
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