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Flights When to go Weather

Best time to go to San Jose

Find information about the climate and when is the best time to go to San Jose.

When is the best time to visit San Jose?

In general the best time to visit San Jose is probably June, July, August, September, when the weather is usually great. The hottest months are July, August, September, while the coldest months are January, February, December.

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Depending on the activities you want to experience, you may choose different months to visit:

The best time for a sun tanning holiday is July, August, September. Average maximum temperatures are up to +82°F in August and it has 15 sunny days on average.
In general, it’s pleasant to walk and do outdoor activities during March - November.
If you want to avoid wet weather, then your choice is January, February, December with the lowest chance of rain.

Average weather in San Jose in different months

This is the average weather in San Jose for each month based on historic data:

In June, July, August, September the weather is great. There are an average of 17 sunny days in July and the temperature ranges from +59°F to +82°F.

February, March, April, May, October, November usually has good weather. Average maximum temperature reaches +75°F during October.

In January, December the weather is average. Expect around 26 rainy days, and the precipitation amounts to approximately 119 mm in January.

Climate in San Jose

Here is the detailed breakdown of the climate in San Jose for each month:

Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Maximum Temperature
+77°F	+81°F	+86°F	+93°F	+99°F	+104°F	+106°F	+104°F	+109°F	+102°F	+86°F	+75°F
Average Maximum Temperature
+59°F	+63°F	+64°F	+68°F	+73°F	+79°F	+82°F	+82°F	+81°F	+75°F	+64°F	+59°F
Minimum Temperature
+30°F	+28°F	+36°F	+37°F	+41°F	+43°F	+48°F	+50°F	+48°F	+41°F	+34°F	+23°F
Avg. water temperature
-	-	-	-	-	-	-	-	-	-	-	-
Humidity, %
75	72	70	67	65	63	64	66	64	64	70	73
Rain, mm
119	125	112	53	47	9	29	10	6	28	64	108
Snow, mm
0	0	0	0	0	0	0	0	0	0	0	0
Average wind speed, m/s
1	2	2	2	2	2	2	2	2	1	1	2
Sunny Days
6	6	6	7	10	15	17	15	14	13	8	6
Cloud Days
12	10	12	14	16	13	13	15	14	13	13	12
Rainy Days
13	12	13	9	5	2	1	1	2	5	9	13
Snowy Days
0	0	0	0	0	0	0	0	0	0	0	0

Average Temperature

Here are the average maximum and minimum temperatures in San Jose during the whole year:

The hottest month in San Jose is August with average maximum temperature going up to +82°F. The coldest month is January with the lowest temperatures of +43°F.

Humidity

The temperature feels different depending on humidity. Here is how humidity in San Jose looks throughout the year, in %:

The most humid month in San Jose is January with average humidity going up to 75%. The least humid month is June with an average humidity of 63%.

Rain

Amount of rainfall in mm. in San Jose during the whole year based on historical data:

The sunniest and driest month is July with approximately 17 sunny days and a total precipitation of around 29 mm. The rainiest and wettest month is February with approximately 12 rainy days and 125 mm of total precipitation.

FAQ

Frequently asked questions about the weather in San Jose:

What is the hottest month in San Jose?

The hottest month in San Jose is August with average maximum temperature of +82°F.

What is the coldest month in San Jose?

The coldest month in San Jose is January with minimum temperatures of +43°F.

Is San Jose worth visiting in winter?

Winter in San Jose could be a good time to visit, as the weather is generally ok.

When does it rain the least in San Jose?

if you're looking to visit San Jose when it rains the least, you should plan your trip for February, January, March. During this time, rainfall is rare with the driest month being September with only 6 mm of rain.

Other cities in USA

Check out the weather for other cities in USA.

Monthly weather in San Jose

San Jose in January San Jose in February San Jose in March San Jose in April San Jose in May San Jose in June

San Jose in July San Jose in August San Jose in September San Jose in October San Jose in November San Jose in December

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.