The highest day temperature in April 2025 was 84°F. The lowest night temperature was 43°F. The average values for day and night temperatures during April were 68.6°F и 50.5°F respectivly.

The average sea surface temperature in April 2025 for San Jose was 60.7°F. The maximum and minimum values were 56.8°F and 64.0°F respectively.

Most of the days in April are sunny but you can also expect cloudy and gloomy days.

Precipitation total in April for San Jose is 0.6 in.

The average wind speed in April is 6.2 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 April is 9.4 hours.