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 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
The transition into May notes an average high-temperature of a moderately hot 73.6°F (23.1°C), revealing a mild distinction from the 70.7°F (21.5°C) in April. Alpine Heights records a marked daily temperature contrast, with an average low-temperature of 51.3°F (10.7°C) during the nights of May.Humidity
The most humid month is May, with an average relative humidity of 62%.Rainfall
In Alpine Heights, in May, it is raining for 4.2 days, with typically 0.24" (6mm) of accumulated precipitation. In Alpine Heights, during the entire year, the rain falls for 62 days and collects up to 6.38" (162mm) of precipitation.Daylight
In Alpine Heights, the average length of the day in May is 13h and 52min.On the first day of May, sunrise is at 5:58 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 7:50 pm PDT.
Sunshine
The average sunshine in May is 11.5h.UV index
In Alpine Heights, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 5 in May transforms into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the most humid month?
What is the average humidity in May?
How many days does it rain in May in Alpine Heights?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Alpine Heights have in May?
What is the UV index intensity in May?
Average temperature in May
Alpine Heights, CA
- Average high temperature in May: 73.6°F
The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is December (61.3°F).
- Average low temperature in May: 51.3°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (44.2°F).
Average pressure in May
Alpine Heights, CA
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Alpine Heights, CA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).
Average humidity in May
Alpine Heights, CA
- Average humidity in May: 62%
The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is November (51%).
Average rainfall in May
Alpine Heights, CA
- Average rainfall in May: 0.24"
The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in May
Alpine Heights, CA
- Average rainfall days in May: 4.2 days
The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (1.5 days).
Average daylight in May /
Average sunshine in May
Alpine Heights, CA
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 11h and 3min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in May
Alpine Heights, CA
- Average sunshine days in May: 25.2 days
The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.4 days).
Average UV index in May
Alpine Heights, CA
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in May
Alpine Heights, CA
- Average cloud cover in May: 15
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in May
Alpine Heights, 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).
Alpine Heights, California, USA
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