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.
Average humidity in San Ysidro (CA)
On this page you find more information about the monthly relative humidity over the year in San Ysidro (California), the United States of America.
Data from: Tijuana, Mexico (2 KM, 1 Miles).
San Ysidro's humidity levels vary throughout the year. The highest levels occur in July, reaching 80% (very high), while the lowest is recorded in November at 69%.
Throughout the year, the average humidity in San Ysidro is 75%.
Humidity plays an important role in how temperatures are felt. During the warmest month, September, the maximum average temperature is around 27°C (81°F). Combined with high humidity during this period, the temperature can feel even warmer than the thermometer shows.
During the coldest month, December, the maximum average temperature is around 19°C (66°F). This period has high humidity. Check out our detailed temperature page for more information.
San Ysidro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Ysidro - and find the best time to visit.
San Ysidro 3-Day Forecast
More climate data for San Ysidro
Temperature Rainfall Sunshine Humidity
See the full San Ysidro climate overview or explore weather in the United States of America.
Popular in October
Where to go in October - average daytime high across popular destinations.
Miami Beach
29°C (84°F) Orlando
29°C (84°F) Kissimmee
29°C (84°F) Destin26°C (79°F) Los Angeles24°C (75°F) New York City19°C (66°F) Big Bear Lake19°C (66°F) Bucket list
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Yosemite National Park is definitely worth a visit
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