June weather forecast
San Jose, CA

A sunset panorama of the lit city of San Jose, California
A sunset panorama of the lit city of San Jose, California

Weather in June

June, the first month of the summer in San Jose, is a moderately hot month, with an average temperature varying between 53.2°F (11.8°C) and 78.4°F (25.8°C).

Temperature

In June, the average high-temperature slightly increases from a pleasant 70.5°F (21.4°C) in May to a warm 78.4°F (25.8°C). The average low-temperature, is 53.2°F (11.8°C).

Humidity

In June, the average relative humidity is 61%.

Rainfall

The months with the least rainfall are June through August Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.

Daylight

With an average of 14h and 41min of daylight, June has the longest days of the year in San Jose.
On the first day of the month, sunrise is at 5:48 am and sunset at 8:22 pm. On the last day of June, sunrise is at 5:50 am and sunset at 8:32 pm PDT.

Sunshine

In June, the average sunshine is 11.8h.

UV index

The months with the highest UV index in San Jose are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 in June interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in June in San Jose?

In June, in San Jose, California, the average high-temperature is 78.4°F (25.8°C), and the average low-temperature is 53.2°F (11.8°C).

What is the average humidity in June in San Jose?

In June, the average relative humidity in San Jose, California, is 61%.

What is the driest month in San Jose?

The months with the least rainfall are June through August Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.

How many days does it rain in June in San Jose?

In San Jose, during June, the rain falls for 1.2 days and regularly aggregates up to 0.04" (1mm) of precipitation.

When are the longest days in San Jose?

With an average of 14h and 41min of daylight, June has the longest days of the year in San Jose, California.

What is the average length of the day in June in San Jose?

In San Jose, the average day length in June is 14h and 41min.

When is the sunrise / sunset in June in San Jose?

On the first day of June in San Jose, California, sunrise is at 5:48 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:32 pm PDT.

How many hours of sunshine does San Jose have in June?

In San Jose, California, the average sunshine duration in June is 11.8h.

What are the months with the highest UV index in San Jose?

The months with the highest UV index in San Jose are June through August, with an average maximum UV index of 6.

What is the UV index intensity in June in San Jose?

In San Jose, California, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
San Jose, CA

Average temperature in June - San Jose, CA
  • Average high temperature in June: 78.4°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (56.5°F).

  • Average low temperature in June: 53.2°F

The month with the highest average low temperature is August (56.5°F).
The coldest month (with the lowest average low temperature) is December (43°F).

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Average pressure in June
San Jose, CA

Average pressure in June - San Jose, CA
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in June
San Jose, CA

Average wind speed in June - San Jose, CA
  • Average wind speed in June: 5.5mph

The windiest months (with the highest average wind speed) are April and May (5.8mph).
The calmest months (with the lowest average wind speed) are September and October (4.4mph).

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Average humidity in June
San Jose, CA

Average humidity in June - San Jose, CA
  • Average humidity in June: 61%

The month with the highest relative humidity is March (73%).
The months with the lowest relative humidity are July and September (60%).

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Average rainfall in June
San Jose, CA

Average rainfall in June - San Jose, CA
  • Average rainfall in June: 0.04"

The wettest month (with the highest rainfall) is March (0.83").
The driest months (with the least rainfall) are June, July and August (0.04").

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Average rainfall days in June
San Jose, CA

Average rainfall days in June - San Jose, CA
  • Average rainfall days in June: 1.2 days

The month with the highest number of rainy days is March (9.8 days).
The month with the least rainy days is August (0.4 days).

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Average daylight in June /
Average sunshine in June
San Jose, CA

Average daylight in June / Average sunshine in June - San Jose, CA
  • Average daylight in June: 14h and 41min

The month with the longest days is June (Average daylight: 14h and 41min).
The month with the shortest days is December (Average daylight: 9h and 38min).

  • Average sunshine in June: 11h and 48min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in June
San Jose, CA

Average sunshine days in June - San Jose, CA
  • Average sunshine days in June: 28.2 days

The month with the most sunshine days is August (29.7 days).
The month with the least sunshine days is March (19.5 days).

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Average UV index in June
San Jose, CA

Average UV index in June - San Jose, CA
  • Average UV index in June: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in June
San Jose, CA

Average cloud cover in June - San Jose, CA
  • Average cloud cover in June: 11

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 6).

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Average visibility in June
San Jose, CA

Average visibility in June - San Jose, CA
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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