San Diego in May

Mild and comfortable, and mostly sunny skies.

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San Diego weather in May

Mild and comfortable, and mostly sunny skies. Average highs of 20°C and lows of 14°C, with around 3 rainy days expected throughout the month.

While May isn't our top-rated month for San Diego, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.

Average high
20°C
Average low
14°C
Rainy days
3 days
Best months to visit
June, July, August, September, October, November

What to do in San Diego in May

Whatever the weather, San Diego rewards curious visitors. Here are some of the best ways to spend your time:

Explore Dine Culture Nature Shopping Day trips

What to pack for May

Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.

Browse other months

January
18C
Mild and comfortable, with occasional showers.
February
18C
Mild and comfortable, with occasional showers.
March
18C
Mild and comfortable, with occasional showers.
April
20C
Mild and comfortable, and mostly sunny skies.
May (you are here)
20C
Mild and comfortable, and mostly sunny skies.
Recommended
June
22C
Mild and comfortable, and mostly sunny skies.
Recommended
July
25C
Warm and pleasant, and mostly sunny skies.
Recommended
August
26C
Warm and pleasant, and mostly sunny skies.
Recommended
September
26C
Warm and pleasant, and mostly sunny skies.
Recommended
October
24C
Mild and comfortable, and mostly sunny skies.
Recommended
November
21C
Mild and comfortable, and mostly sunny skies.
December
18C
Mild and comfortable, with occasional showers.

Book your May trip to San Diego

Find hotels, tours and experiences for the perfect escape.

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