Climate and monthly 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 January

January, like December, is another mild winter month in San Jose, California, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 43.3°F (6.3°C). In San Jose, the average high-temperature in January is practically the same as in December - a still moderate 58.1°F (14.5°C). Weather in January »

Weather in February

February, the last month of the winter in San Jose, is also a moderate month, with an average temperature fluctuating between 59.7°F (15.4°C) and 43.2°F (6.2°C). In February, the average high-temperature is practically the same as in January - a still moderate 59.7°F (15.4°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in San Jose, California, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 43.9°F (6.6°C). In San Jose, the average high-temperature in March is essentially the same as in February - an enjoyable 62.2°F (16.8°C). Weather in March »

Weather in April

April, the same as March, is another comfortable spring month in San Jose, California, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 45.5°F (7.5°C). In April, the average high-temperature is practically the same as in March - a still enjoyable 66.7°F (19.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in San Jose, California, with an average temperature ranging between min 48.9°F (9.4°C) and max 70.5°F (21.4°C). In San Jose, California, the average high-temperature in May is relatively the same as in April - a pleasant 70.5°F (21.4°C). Weather in May »

Weather in June

June, the first month of the summer in San Jose, is a warm month, with an average temperature ranging between max 78.4°F (25.8°C) and min 53.2°F (11.8°C). In San Jose, the average high-temperature in June marginally rises from an agreeable 70.5°F (21.4°C) in May to a moderately hot 78.4°F (25.8°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in San Jose, California, with an average temperature varying between 55.2°F (12.9°C) and 82°F (27.8°C). The warmest month is July, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 55.2°F (12.9°C). The average heat index in July is appraised at 84.6°F (29.2°C). Weather in July »

Weather in August

August, the last month of the summer in San Jose, is also a moderately hot month, with an average temperature ranging between min 56.5°F (13.6°C) and max 81.9°F (27.7°C). In San Jose, the average high-temperature in August is practically the same as in July - a still moderately hot 81.9°F (27.7°C). Weather in August »

Weather in September

September, the first month of the autumn in San Jose, is still a warm month, with an average temperature fluctuating between 79.7°F (26.5°C) and 55.6°F (13.1°C). In September, the average high-temperature is practically the same as in August - a still warm 79.7°F (26.5°C). Weather in September »

Weather in October

October, the same as September, in San Jose, California, is an agreeable autumn month, with an average temperature varying between 52.7°F (11.5°C) and 72.7°F (22.6°C). In October, the average high-temperature marginally drops from a moderately hot 79.7°F (26.5°C) in September to a pleasant 72.7°F (22.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in San Jose, California, with an average temperature varying between 47.3°F (8.5°C) and 63.9°F (17.7°C). In San Jose, the average high-temperature in November slightly decreases from a pleasant 72.7°F (22.6°C) in October to an enjoyable 63.9°F (17.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a mild month in San Jose, California, with temperature in the range of an average high of 56.5°F (13.6°C) and an average low of 43°F (6.1°C). The coldest month is December, with an average high-temperature of 56.5°F (13.6°C) and an average low-temperature of 43°F (6.1°C). Weather in December »
[Resources]

FAQ

How much does it rain in San Jose?

In San Jose, California, during the entire year, the rain falls for 51.5 days and collects up to 4.06" (103mm) of precipitation.

What is the month with the lowest UV index in San Jose?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.

What is the most humid month in San Jose?

March is the most humid month in San Jose, California, with an average relative humidity of 73%.

What is the rainiest month in San Jose?

The month with the most rainfall in San Jose, California, is March, when the rain falls for 9.8 days and typically aggregates up to 0.83" (21mm) of precipitation.

When is Daylight Saving Time (DST) in San Jose?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from PDT to PST.

What is the driest month in San Jose?

June through August are months with the least rain in San Jose, California, when the rain falls for 1.2 days and typically aggregates up to 0.04" (1mm) of rain.

When are the longest days in San Jose?

The month with the longest days is June, with an average of 14h and 41min of daylight.

What is the month with the highest UV index in San Jose?

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

What is the warmest month in San Jose?

With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 55.2°F (12.9°C), July is the warmest month.

What is the least humid month in San Jose?

July and September, with an average relative humidity of 60%, are the least humid months in San Jose, California.

What month has the most sunshine in San Jose?

July has the most sunshine of the year in San Jose, with an average of 12.1h of sunshine.

What is the coldest month in San Jose?

December is the coldest month, with an average high-temperature of 56.5°F (13.6°C) and an average low-temperature of 43°F (6.1°C).

What is the month with the shortest days in San Jose?

The month with the shortest days in San Jose is December, with an average of 9h and 38min of daylight.

What is the month with the least sunshine in San Jose?

December has the least sunshine of the year in San Jose, with an average of 6h of sunshine.

Average temperature
San Jose, CA

Average temperature - San Jose, CA

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).

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).

[Resources]

Average pressure
San Jose, CA

Average pressure - San Jose, CA

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).

[Resources]

Average wind speed
San Jose, CA

Average wind speed - San Jose, CA

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).

[Resources]

Average humidity
San Jose, CA

Average humidity - San Jose, CA

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

[Resources]

Average rainfall
San Jose, CA

Average rainfall - San Jose, CA

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").

[Resources]

Average rainfall days
San Jose, CA

Average rainfall days - San Jose, CA

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).

[Resources]

Average daylight / Average sunshine
San Jose, CA

Average daylight / Average sunshine - San Jose, CA

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).

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).

[Resources]

Average sunshine days
San Jose, CA

Average sunshine days - San Jose, CA

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

[Resources]

Average UV index
San Jose, CA

Average UV index - San Jose, CA

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).

[Resources]

Average visibility
San Jose, CA

Average visibility - San Jose, CA

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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location