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Best time to visit San Jose, CA, USA

Our verdict

The best time to visit San Jose is May

Based on a number of criteria such as the weather conditions, cost of flights and hotels, peak travel seasons and much more, May is the best time to go to San Jose.

In the summer months, temperatures can reach as high as 32℃ (90℉) in San Jose. In the colder months such as December, temperatures usually get down to an average minimum of 6℃ (43℉).

The sun stays up the longest in San Jose in July, so you’ll get the most out of your daytime activities if you visit around this time. On average it rains the most days in March, making it the wettest month of the year. Although it’s the wet season, it can often rain a little bit during the day or evening but have fine weather for a majority of the day too, so don’t let this put you off.

Continue reading to find out more about when to visit San Jose, including the climate, seasonal info, what to pack, FAQs, and the best tools to help you plan and book your next vacation.

Warmest month

July

Least rainfall

August

Most daylight

July

San Jose seasons

Before you continue, it’s important to know when the seasons are in San Jose as they might be different to yours depending on where in the world you’re travelling from. San Jose is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in San Jose

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in San Jose for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

San Jose climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in San Jose for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

San Jose in January

  • Average temperature: 10℃ (50℉)
  • Average high temperature: 15℃ (58℉)
  • Average low temperature: 6℃ (43℉)
  • Average humidity: 72%
  • Average sunny days: 23 days
  • Average rainfall: 16mm (1") over 6 days
23 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to San Jose in January, make sure you pack a warm jacket or coat.


San Jose in February

  • Average temperature: 10℃ (51℉)
  • Average high temperature: 16℃ (60℉)
  • Average low temperature: 6℃ (43℉)
  • Average humidity: 71%
  • Average sunny days: 21 days
  • Average rainfall: 17mm (1") over 6 days
21 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to San Jose in February, make sure you pack a warm jacket or coat.


San Jose in March

  • Average temperature: 11℃ (52℉)
  • Average high temperature: 17℃ (62℉)
  • Average low temperature: 7℃ (44℉)
  • Average humidity: 73%
  • Average sunny days: 20 days
  • Average rainfall: 21mm (1") over 10 days
20 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to San Jose in March, make sure you pack a warm jacket or coat.


San Jose in April

  • Average temperature: 13℃ (56℉)
  • Average high temperature: 19℃ (67℉)
  • Average low temperature: 8℃ (46℉)
  • Average humidity: 69%
  • Average sunny days: 23 days
  • Average rainfall: 7mm (0") over 7 days
23 days
of pure sunshine
7 days
of showers or rain

What to pack: If you’re heading to San Jose in April, make sure you pack a warm jacket or coat.


San Jose in May

  • Average temperature: 15℃ (60℉)
  • Average high temperature: 22℃ (71℉)
  • Average low temperature: 9℃ (49℉)
  • Average humidity: 66%
  • Average sunny days: 26 days
  • Average rainfall: 5mm (0") over 3 days
26 days
of pure sunshine
3 days
of showers or rain

What to pack: If you’re heading to San Jose in May, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.


San Jose in June

  • Average temperature: 18℃ (64℉)
  • Average high temperature: 25℃ (77℉)
  • Average low temperature: 11℃ (52℉)
  • Average humidity: 62%
  • Average sunny days: 28 days
  • Average rainfall: 1mm (0") over 1 days
28 days
of pure sunshine
1 days
of showers or rain

What to pack: If you’re heading to San Jose in June, make sure you pack a coat or jumper for the evenings, and t-shirts and light gear for the daytime.


San Jose in July

  • Average temperature: 20℃ (67℉)
  • Average high temperature: 28℃ (82℉)
  • Average low temperature: 13℃ (55℉)
  • Average humidity: 61%
  • Average sunny days: 28 days
  • Average rainfall: 1mm (0") over 1 days
28 days
of pure sunshine
1 days
of showers or rain

What to pack: If you’re heading to San Jose in July, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


San Jose in August

  • Average temperature: 19℃ (67℉)
  • Average high temperature: 27℃ (81℉)
  • Average low temperature: 13℃ (56℉)
  • Average humidity: 63%
  • Average sunny days: 30 days
  • Average rainfall: 1mm (0") over 0 days
30 days
of pure sunshine
0 days
of showers or rain

What to pack: If you’re heading to San Jose in August, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


San Jose in September

  • Average temperature: 19℃ (66℉)
  • Average high temperature: 26℃ (80℉)
  • Average low temperature: 13℃ (56℉)
  • Average humidity: 60%
  • Average sunny days: 27 days
  • Average rainfall: 2mm (0") over 2 days
27 days
of pure sunshine
2 days
of showers or rain

What to pack: If you’re heading to San Jose in September, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.

San Jose in October

  • Average temperature: 17℃ (62℉)
  • Average high temperature: 23℃ (73℉)
  • Average low temperature: 12℃ (53℉)
  • Average humidity: 62%
  • Average sunny days: 27 days
  • Average rainfall: 4mm (0") over 2 days
27 days
of pure sunshine
2 days
of showers or rain

What to pack: If you’re heading to San Jose in October, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.


San Jose in November

  • Average temperature: 13℃ (55℉)
  • Average high temperature: 18℃ (64℉)
  • Average low temperature: 9℃ (47℉)
  • Average humidity: 66%
  • Average sunny days: 24 days
  • Average rainfall: 10mm (0") over 4 days
24 days
of pure sunshine
4 days
of showers or rain

What to pack: If you’re heading to San Jose in November, make sure you pack a warm jacket or coat.


San Jose in December

  • Average temperature: 10℃ (49℉)
  • Average high temperature: 14℃ (56℉)
  • Average low temperature: 6℃ (43℉)
  • Average humidity: 71%
  • Average sunny days: 22 days
  • Average rainfall: 18mm (1") over 8 days
22 days
of pure sunshine
8 days
of showers or rain

What to pack: If you’re heading to San Jose in December, make sure you pack a warm jacket or coat.


Top FAQs

The hottest month of the year in San Jose is usually July, where temperatures tend to rise to around 28℃ (82℉) in the middle of the day or early afternoon.
The month with the least amount of rain in San Jose is generally around August. The dry season often coincides with cooler weather, so you should check the temperatures in August first to make sure it’s still a good time to go.
The rainiest time of year in San Jose is generally around March, although the wetter season can sometimes extend a few months either side of March too.
If you want to get the most out of your time visiting San Jose, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

San Jose map