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
San Juan Capistrano records an average high-temperature of a still enjoyable 67.6°F (19.8°C) as May arrives, nearly mirroring the previous month's climate. Throughout May, San Juan Capistrano encounters an average temperature drop to a fresh 55°F (12.8°C).Humidity
The average relative humidity in May is 73%.Rainfall
In San Juan Capistrano, in May, it is raining for 6.5 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, there are 69 rainfall days, and 9.09" (231mm) of precipitation is accumulated.Daylight
In May, the average length of the day is 13h and 55min.On the first day of May, sunrise is at 6:01 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 7:55 pm PDT.
Sunshine
In San Juan Capistrano, the average sunshine in May is 10.7h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 5 translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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 much does it rain in May?
How many hours of daylight does San Juan Capistrano have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does San Juan Capistrano have in May?
What is the UV index intensity in May?
Average temperature in May
San Juan Capistrano, CA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is September (77.4°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is February (50°F).
Average pressure in May
San Juan Capistrano, CA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
San Juan Capistrano, CA
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are August, September and October (5mph).
Average humidity in May
San Juan Capistrano, CA
- Average humidity in May: 73%
The month with the highest relative humidity is June (74%).
The month with the lowest relative humidity is November (59%).
Average rainfall in May
San Juan Capistrano, CA
- Average rainfall in May: 0.35"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in May
San Juan Capistrano, CA
- Average rainfall days in May: 6.5 days
The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (3 days).
Average daylight in May /
Average sunshine in May
San Juan Capistrano, 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: 10h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in May
San Juan Capistrano, CA
- Average sunshine days in May: 19.5 days
The month with the most sunshine days is January (24.7 days).
The month with the least sunshine days is May (19.5 days).
Average UV index in May
San Juan Capistrano, CA
- Average UV index in May: 5
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in May
San Juan Capistrano, CA
- Average cloud cover in May: 26
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in May
San Juan Capistrano, 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).
San Juan Capistrano, California, USA
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