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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Scope Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
San Jose has a Mediterranean climate with mild, wet winters and warm, dry summers. The live forecast above shows conditions for san jose weather today; typical highs range from 15°C in January to 29°C in July.
How does the weather change with the seasons?
San Jose weather year round is defined by its dry summer and cool, rainy winter. Looking at san jose weather by month, the wettest period is December through February, while June to September often sees no rain at all. Temperatures in Celsius (the standard for Canada Scope) stay moderate, with average winter lows near 5°C and summer highs around 30°C. For reference, san jose weather fahrenheit would show winter lows in the low 40s and summer highs in the mid 80s.
What should you expect from the daily forecast?
The san jose weather hourly breakdown in the live forecast shows morning fog burning off to afternoon sun, a pattern common from late spring into autumn. For planning, san jose weather 14 day and san jose weather 30 days outlooks are available through most major services, but only the near-term days are reliable for specifics. Overnight temperatures remain mild even in winter, rarely dropping below freezing.
Does San Jose ever get snow?
Snow is extremely rare in San Jose. The city’s low elevation and coastal influence keep winter temperatures above freezing; measurable snowfall has occurred only a handful of times in the past century.
What is the best time to visit San Jose?
Spring (March–May) and fall (September–November) offer the most comfortable weather, with warm days, cool evenings, and very low chance of rain. Summer can be hot but humidity is low.
How hot does it get in summer?
July and August afternoons often reach 30–35°C. Heat waves can push temperatures above 38°C, but the low humidity and evening sea breezes make it manageable.
Sources
For a broader look at conditions across Canada, visit our Canada weather hub or compare with the climate in Vancouver Weather.