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 sea temperature 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 from April to May sees average high-temperatures adjusting to a still refreshing 67.6°F, from a not significantly different 66.2°F. Throughout May, the temperature falls to an average low of 56.3°F.Humidity
In San Diego, California, the average relative humidity in May is 72%.Rainfall
In May, in San Diego, California, the rain falls for 5.7 days. Throughout May, 0.39" of precipitation is accumulated. Throughout the year, there are 61.8 rainfall days, and 8.7" of precipitation is accumulated.Ocean temperature
In San Diego, in May, the average water temperature is 62.6°F.Note: Swimming in 62.6°F does not offer a pleasant experience for most individuals. The act of controlling one's breathing becomes progressively difficult as the water temperature goes under 69.8°F.
Daylight
The average length of the day in May is 13h and 52min.On the first day of the month, sunrise is at 6:01 am and sunset at 7:30 pm. On the last day of May, sunrise is at 5:41 am and sunset at 7:50 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 value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: An average UV index of 5 in May transforms into this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
FAQ
What is the average May temperature in San Diego?
What is the average humidity in May in San Diego?
How many days does it rain in May in San Diego?
What is the ocean temperature in May in San Diego?
How many hours of daylight does San Diego have in May?
What time are sunrise and sunset in May in San Diego?
How long on average sun shines in May in San Diego?
What is the UV index intensity in May in San Diego?
Average temperature in May
San Diego, CA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is February (63.1°F).
- Average low temperature in May: 56.3°F
The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).
Average pressure in May
San Diego, 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
San Diego, CA
- Average wind speed in May: 6.3mph
The windiest months (with the highest average wind speed) are April and May (6.3mph).
The calmest month (with the lowest average wind speed) is October (5.2mph).
Average humidity in May
San Diego, CA
- Average humidity in May: 72%
The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (59%).
Average rainfall in May
San Diego, CA
- Average rainfall in May: 0.39"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in May
San Diego, CA
- Average rainfall days in May: 5.7 days
The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (2.7 days).
Average sea temperature in May
San Diego, 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
San Diego, 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 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in May
San Diego, CA
- Average sunshine days in May: 21.1 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (20.3 days).
Average UV index in May
San Diego, 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 Diego, CA
- Average cloud cover in May: 22
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in May
San Diego, 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 Diego, California, USA
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