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.
San Marcos Weather in May
May in San Marcos brings high temperatures, with daytime highs of 24°C (75°F) and nights around 12°C (54°F). Only 11 mm (0.4 in) of rainfall is typical, making it a largely dry month.
Rainfall in San Marcos in May
Historically, the month has about 3 days of rain, averaging 11 mm (0.4 in) in total. When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in San Marcos in May
May tends to be one of the excellent months in San Marcos, with 24°C (75°F) in the afternoon and 12°C (54°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in San Marcos in May
The days are predominantly sunny, with an estimated total of around 260 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.So this is a great month to visit if you prefer dry days with pleasant temperatures.
San Marcos Temperature in May
Min Temperature
12°C (54°F)
Max Temperature
24°C (75°F)
Chance of Rain
10%
Precipitation
11 mm (0.4 in)
Rainy days
3 days
Humidity
71% *
Sunshine
260 hours *
Percentage Sunshine
58% *
* Data from: San Diego, the United States of America (47 KM, 29 Miles).
San Marcos Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Marcos - 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 San Marcos in May
For San Marcos 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 San Marcos in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping10/10 -
Outdoor sports10/10
San Marcos 3-Day Forecast
More climate data for San Marcos
Temperature Rainfall Sunshine Humidity
See the full San Marcos 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.
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