May weather forecastLa Jolla, CA
May
Weather in May
May, the last month of the spring in La Jolla, is an agreeable month, with an average temperature varying between 68.7°F (20.4°C) and 55.6°F (13.1°C).Temperature
La Jolla's shift into May is marked by a subtle change to a pleasant 68.7°F (20.4°C) from April's 67.5°F (19.7°C) in temperature. La Jolla experiences a nighttime temperature average of 55.6°F (13.1°C) during May.Humidity
May and June, with an average relative humidity of 71%, are the most humid months.Rainfall
In May, the rain falls for 4.8 days. Throughout May, 0.31" (8mm) of precipitation is accumulated. Throughout the year, there are 57.9 rainfall days, and 7.48" (190mm) of precipitation is accumulated.Ocean temperature
In La Jolla, in May, the average water temperature is 62.6°F (17°C).Note: A majority do not enjoy swimming in water at 62.6°F (17°C). The difficulty in controlling breathing increases progressively as the temperature dips below 69.8°F (21°C).
Daylight
In May, the average length of the day is 13h and 52min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:31 pm. On the last day of May, sunrise is at 5:41 am and sunset at 7:52 pm PDT.
Sunshine
In May, the average sunshine is 10.9h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during May leads to these instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
La Jolla, CA
- Average high temperature in May: 68.7°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (63.5°F).
- Average low temperature in May: 55.6°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (50.2°F).
Average pressure in May
La Jolla, CA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in May
La Jolla, CA
- Average wind speed in May: 5.9mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in May
La Jolla, CA
- Average humidity in May: 71%
The months with the highest relative humidity are May and June (71%).
The month with the lowest relative humidity is November (57%).
Average rainfall in May
La Jolla, CA
- Average rainfall in May: 0.31"
The wettest month (with the highest rainfall) is February (1.46").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in May
La Jolla, CA
- Average rainfall days in May: 4.8 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (2.2 days).
Average sea temperature in May
La Jolla, CA
- Average sea temperature in May: 62.7°F
The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (58.7°F).
Average daylight in May /
Average sunshine in May
La Jolla, CA
- Average daylight in May: 13h and 54min
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 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in May
La Jolla, CA
- Average sunshine days in May: 21.9 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is February (20.2 days).
Average UV index in May
La Jolla, 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
La Jolla, CA
- Average cloud cover in May: 21
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 8).
Average visibility in May
La Jolla, 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).
