The highest day temperature in March 2026 was 86°F. The lowest night temperature was 53°F. The average values for day and night temperatures during March were 81.2°F и 56.6°F respectivly.

The average sea surface temperature in March 2026 for San Jose was 90.3°F. The maximum and minimum values were 89.4°F and 91.4°F respectively.

Most of the days in March are cloudy but you can also expect sunny or gloomy days.

Precipitation total in March for San Jose is 1.8 in. It makes march one of the least rainy months of the year.

The average wind speed in March is 5.5 mph. It makes March one of the most windy months of the year for San Jose.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Jose in March is 7.7 hours.