Is San Jose hot in April?
Days are typically mild at 20.6°C, while nights average 9.1°C.
United States · 1991–2020 normal
Typical April weather in San Jose: 20.6°C by day, 9.1°C at night, 28 mm of rain over 4.7 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, April scores 77 out of 100 (October leads the year at 93). Daylight is calculated as 13 h 06 from latitude 37.34°. Open-water sea temperature is 12.0°C (43 km from the place centre).
April at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically mild at 20.6°C, while nights average 9.1°C.
The measured monthly average is 28 mm across about 5 wet days.
There are about 13 h 06 between sunrise and sunset at mid-month, calculated from the place latitude.
April ranks 7 of 12 in our weather comparison; October ranks first.
The evidence behind this page
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The weather comparison for San Jose is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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