Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
National City Weather in May
In National City, May brings pleasant daytime temperatures around 22°C (72°F), with nights cooling to 14°C (57°F). Minimal rainfall is to be expected.
Rainfall in National City in May
You can expect rain on around 2 days based on historical patterns, with 8.9 mm (0.4 in) average for the month. The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.
Temperature in National City in May
Weather in National City is at its excellent in May. Highs reach 22°C (72°F), while nights settle around 14°C (57°F). Conditions are often most pleasant around the middle of the day. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in National City in May
There are approximately 260 hours of sunshine this month, resulting in mostly clear days.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
National City Temperature in May
Min Temperature
14°C (57°F)
Max Temperature
22°C (72°F)
Chance of Rain
7%
Precipitation
8.9 mm (0.4 in)
Rainy days
2 days
Humidity
71% *
Sunshine
260 hours *
Percentage Sunshine
58% *
* Data from: San Diego, the United States of America (6 KM, 4 Miles).
National City Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in National City - and find the best time to visit.
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in National City in May
For National City in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Almost no rain is expected, so no need to bring rain gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in National City in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping10/10 -
Outdoor sports10/10
National City 3-Day Forecast
More climate data for National City
Temperature Rainfall Sunshine Humidity
See the full National City climate overview or explore weather in the United States of America.
Popular in May
Where to go in May - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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