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 Ysidro Weather in January
With daytime temperatures of 20°C (68°F) and nighttime lows of 8°C (46°F), January in San Ysidro brings pleasant temperatures during the day. The excellent weather makes it an appealing time to visit.
Rainfall in San Ysidro in January
Records from the past 30 years suggest around 5 days of rain, with 36 mm (1.4 in) average for the month. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in San Ysidro in January
January is one of the better months to visit San Ysidro. Expect 20°C (68°F) during the day and 8°C (46°F) at night. Conditions are often most pleasant around the middle of the day. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in San Ysidro in January
Enjoy a sunny month with about 219 hours of sunshine, the clear skies make San Ysidro even more beautiful.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, July, August, September, October and November typically offer the best weather for San Ysidro.
San Ysidro Temperature in January
Min Temperature
8°C (46°F)
Max Temperature
20°C (68°F)
Chance of Rain
17%
Precipitation
36 mm (1.4 in)
Rainy days
5 days
Humidity
70% *
Sunshine
219 hours *
Percentage Sunshine
68% *
* Data from: Tijuana, Mexico (2 KM, 1 Miles).
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.
Best Places in the United States of America in January
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 January →
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 Ysidro in January
Pleasant temperatures in January mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in San Ysidro in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping5/10 -
Outdoor sports10/10
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 January
Where to go in January - average daytime high across popular destinations.
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Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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