San Jose weather in May
Long-run climate averages for San Jose, CA in May, plus what the forecast models say for the days ahead.
In May, San Jose averages 74°F by day and 52°F at night. The wettest month is usually January.
May in San Jose averages a daytime high of 74°F and an overnight low of 52°F, which reads as warm for this part of the world. Across the whole year San Jose sees roughly 28 inches of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live San Jose forecast with every model compared and how much they currently agree.
San Jose weather by month
what to expect in San Jose through the yearHere is San Jose's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to San Jose by season.