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San Diego Weather in May

Averages By Month

Temperatures in May in San Diego reach pleasant highs of 70°F (21°C) and lows hardly ever drop below 57°F (14°C). On average there are only 2 rainy days to be expected for the whole month. The Pacific Ocean water temperature still only measures a pretty chilly 63°F (17°C). On the real downside though, May is famous for being pretty overcast and is therefore referred to as ‘May Gray’. With an average daily sunshine of 8 hours, the sun is out less than in the preceding months.

If you don’t mind the ‘May Gray’, May is still a great time to visit San Diego. Actually, the conditions are ideal if you are planning to explore this great place. Check out this great guide on the best things to explore (with kids) in the area. And don’t miss some of the best Cinco de Mayo celebrations!

High and Low Temperature in May °F

Precipitation days in May °F

Current Weather San Diego

55°F broken clouds
Local Time

Hourly 10 Days

Averages San Diego

  J F M A M J J A S O N D

High °F

64° 66° 68° 68° 70° 72° 75° 79° 77° 75° 70° 66°

Low °F

46° 48° 50° 54° 57° 61° 64° 66° 63° 59° 54° 48°

Sun

7h 8h 9h 9h 8h 8h 10h 9h 8h 8h 8h 7h

Rain days

5 6 6 2 2 0 0 0 0 2 3 4

Water °F

59 59 61 63 63 66 70 72 68 66 64 61

San Diego Weather by Month

Best Time to Visit San Diego

San Diego is a fantastic place to visit any time of the year. The temperature chart is well balanced all year round.

During summer, average daytime temperatures hover in the low 70s F (low 20s C) and winters also remain pleasantly warm with temperatures in the low 60s F (high 10s C). Temperatures never drop below the freezing point. May and June tend to be a little more overcast and less sunny.

The Pacific Ocean, however, remains relatively cool all year round and also in summer its water temperature rarely gets warmer than 72°F (22°C). If you are looking to swim, you should try to visit San Diego either in July or August.

San Diego sun pacific ocean surfer water waves beach
San Diego coast pacific ocean houses palm trees

Things to know about San Diego

San Diego is probably one of the least typical US cities one would imagine. Even though there is a downtown with skyscrapers and everything else any larger US city has to offer, the city is mostly characterized by its Hispanic influence. Even though only a 2 hour drive from Los Angeles, the city directly borders Mexico and that’s what gives San Diego this unique feel and a lot of history and sights. Below you can find a summary of the best attractions and everything you should know before travelling to San Diego.
San Diego Balboa park squirrel
San Diego balboa park fountain courtyard
San Diego old town souvenirs skulls mexican
San Diego USS Midway ship
San Diego beach waves pacific ocean people
San Diego beach palm trees water surfers buildings coast

San Diego Location

Other destinations by month



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