The highest day temperature in March 2025 was 85°F. The lowest night temperature was 41°F. The average values for day and night temperatures during March were 60.0°F и 48.9°F respectivly.

The average sea surface temperature in March 2025 for San Jose was 56.8°F. The maximum and minimum values were 55.2°F and 59.8°F respectively.

You can expect various weather conditions during March. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in March for San Jose is 1.7 in. It makes march one of the most rainy months of the year.

The average wind speed in March is 5.9 mph. This value is relatively stable throughout the year.

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 6.8 hours.