San Jose · May
Run in the morning.
Comfortable average high of 74°F, dipping to 53°F at night. Comfortable conditions all day, but morning consistently delivers the best combination of cool air and clear skies.
Avg high / low
74° / 53°F
Humidity
62%
Rain days
5/mo
Wind
12 mph
What May feels like in San Jose
Sunrise
05:58
Mid-month average
Sunset
20:10
Mid-month average
Time-of-day breakdown
Morning
Steady cool air, low wind, and good light. The standard runner window in most months.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in San Jose in May
The kit for May in San Jose: shorts and a short-sleeve are the standard kit.
May vs the surrounding months
vs April
+5° avg high
-1 rain days
San Jose in April →
May
74°F avg high
5 rain days
Best: morning
vs June
-8° avg high
+4 rain days
San Jose in June →
Frequently Asked Questions
What is the best time of day to run in San Jose in May?+
Morning. Comfortable conditions all day, but morning consistently delivers the best combination of cool air and clear skies.
What's the average temperature in San Jose in May?+
Average high 74°F, average low 53°F.
How does May compare to surrounding months in San Jose?+
Compared to April (avg high 69°F), May is warmer. Compared to June (avg high 82°F), May is cooler.
Does it rain often in San Jose in May?+
Expect about 5 measurable rain days in May, on average.