City break

San Jose, California weather in June

Temperature, rain and sunshine in June: long-term averages from 30 years of weather data, not a forecast.

100

Holiday weather in June

Excellent

Best time to visit: April – October

What is the weather like in San Jose, California in June?

In June, San Jose, California is warm: daytime highs average 25 °C, and nights cool down to about 13 °C. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, June is an excellent month for a holiday in San Jose, California.

June compared

How the weather changes from May to July. Tap a month to open it.

MayMayJuneJunJulyJul
Score100100100
Day22°25°27°
Night11°13°15°
Sun10 h10 h10 h
Rain days310

More details for June

Daylight
14 h 43 min05:46 – 20:29
UV index
10 · very highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
20 km/haverage daily peakAll months
Cloud cover
31 %on averageAll months
Hot days
5 days30 °C or moreAll months
Time zone
UTC−7America/Los_Angeles

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 30 %100 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in June

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings

San Jose, California in June: quick answers

Is San Jose, California hot in June?

Warm rather than hot: in June, daytime highs in San Jose, California average 25 °C and nights cool to about 13 °C. On about 5 days the thermometer climbs to 30 °C or more.

Does it rain much in San Jose, California in June?

It hardly ever rains.

San Jose, California month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences