Weather in San Jose in June 2025
Average weather
Average temperature in San Jose in June
The expected average maximum temperature in June is +79°F with a maximum of +82°F and a minimum of +63°F.
The average maximum temperature goes down 9% by the end of the month, compared with the beginning of the month, from +81°F to +79°F.
Is San Jose warm or cold in June?
San Jose is typically warm in June.
Maximum temperatures go up compared to the previous month from +77°F to +77°F. The minimum temperature also goes up from +64°F to +64°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
June is one of the warmest months in San Jose, here is the comparison with other months:
Water temperature in San Jose in June
Water in San Jose in June is Very warm. It varies from +82°F to +86°F, with an average of +84°F. Note that the air temperature is lower than the water temperature, averaging around +77°F.
In June, water temperatures are average relative to the rest of the year:
Can you swim in San Jose in June?
Climate in San Jose in June
| May | June | July | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +77°F | +77°F | +75°F | ||||
| Min. temperature | ||||||
| +59°F | +59°F | +57°F | ||||
| Max. temperature | ||||||
| +86°F | +84°F | +82°F | ||||
| Rainfall | ||||||
| 602 mm | 679 mm | 706 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +85°F | +84°F | +84°F | ||||
| Humidity | ||||||
| 81% | 84% | 81% | ||||
| Air pressure | ||||||
| 1014 HPa | 1014 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 0 | ||||
| Cloudy days | ||||||
| 0 | 0 | 0 | ||||
| Rainy days | ||||||
| 20 | 18 | 22 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
June weather is still as ok as in May. The temperature levels stay the same in the area of +77°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 602 mm to 679 mm. Humidity rises from 81% to 84%. The average wind speed doesn’t change much during June, staying around 2 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
July brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in San Jose is gradually increasing during June, going from 2 m/s to 5 m/s over the course of the month.
Rain
How was the weather last June in San Jose?
Climate Change Over the Years
The climate in San Jose in June has not changed that much over the last 43 years.
The average temperature was the lowest in 1999 (+74°F) and the highest in 2013 (+79°F). The driest year was 2023 with only 3365 mm of rainfall, and the wettest year was 1995 with 7044 mm.
FAQ
Is June a good time to visit San Jose?
Can you sunbathe in San Jose in June?
Can you swim in San Jose in June?
Is San Jose rainy in June?
Is it sunny in San Jose in June?
Monthly weather in San Jose
Source of the data
For this page, we’ve looked at the typical weather in San Jose, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.