United StatesThe weather in May in San Jose
It's warm in May in San Jose with an average temperature of 23°C. Temperatures this month range from a low of 21°C to a high of 25°C. At night, you can expect temperatures between 11°C and 14°C.
Looking for great weather? May is a good time to be in San Jose. The temperatures are nice, and there’s little chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for San Jose, California. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 35°C in 2020, San Jose reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 15°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 5°C to a highest value of 19°C.
Rainfall amount
In May, there is an average of 13 mm of precipitation, spread over 3 days. The wind speed is around 4 Bft, mostly coming from the Northwest.
Daily weather in May for San Jose
Click on any day in May to get detailed info about the usual weather on that day in San Jose. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| San Jose | New York | |
|---|---|---|
| Average temperature | 23°C | 22°C |
| Max. temperature | 25°C | 28°C |
| Min. temperature | 11°C | -5°C |
| Total precipitation | 13 mm | 105 mm |
| Rainy days | 3 days | 14 days |
Start of May
The month of May starts in San Jose with warm temps, averaging around 24°C during the day and nights around 12°C.
Mid May
By mid-May, daytime temps drop to around 23°C, with nights around 13°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of May
By the end of May, the average daytime temperature in San Jose is around 24°C, while nighttime temps are about 14°C. No precipitation expected at the end of the month; it’ll be mostly sunny.
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UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
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Temperature charts
These charts show the average temperatures in May in San Jose, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in San Jose
Temperature in May in San Jose over the years
Precipitation charts
These charts show the average amount of precipitation in May in San Jose, California. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in San Jose
Total precipitation in May in San Jose over the years
Daily UV index in May in San Jose
This chart shows the average daily UV index in May in San Jose, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in San Jose
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Average weather in San Jose by month
Click on a month below to see detailed weather info for San Jose. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.