Best Time to Visit San Jose, California (2026)
The best time to visit San Jose is March through November, when average highs are 64-83°F with minimal rain. Avoid January when weather conditions are the least favorable for visiting.
Month-by-Month Weather Overview
| Month | High | Low | Rain | Snow | Score |
|---|---|---|---|---|---|
| Jan | 59°F | 42°F | 3" | — | 6/10 |
| Feb | 62°F | 44°F | 2.8" | — | 7/10 |
| Mar | 65°F | 46°F | 2.3" | — | 9/10 |
| Apr | 69°F | 48°F | 1.1" | — | 10/10 |
| May | 74°F | 52°F | 0.4" | — | 10/10 |
| Jun | 80°F | 56°F | 0.1" | — | 10/10 |
| Jul | 83°F | 58°F | 0" | — | 10/10 |
| AugBest | 82°F | 58°F | 0" | — | 10/10 |
| Sep | 81°F | 56°F | 0.2" | — | 10/10 |
| Oct | 74°F | 51°F | 0.8" | — | 10/10 |
| Nov | 64°F | 46°F | 1.5" | — | 9/10 |
| Dec | 58°F | 42°F | 2.5" | — | 6/10 |
Tourism score: 1-10 (higher = better for visiting). Based on temperature comfort, rainfall, and humidity.
When NOT to Visit San Jose
January is the least ideal time to visit San Jose. Conditions are less favorable for tourism, with highs of 59°F and 3" of rain.
Seasonal Breakdown
Spring
Spring brings mild weather to San Jose, with highs around 69°F. Expect some rain (3.8" total) but increasingly pleasant days.
Summer
San Jose summers are warm with average highs of 82°F. Perfect for outdoor activities with longer daylight hours.
Fall
Fall in San Jose stays warm, averaging 73°F highs. The transition is gradual with pleasant weather into November.
Winter
San Jose has mild winters with highs around 60°F. No heavy coats needed — a light jacket will do.
What to Pack for August in San Jose
- ✓Light layers
- ✓Sunglasses
- ✓Comfortable walking shoes
- ✓UV-protection sunglasses
Safety in San Jose
While you're planning, San Jose has a Moderate safety rating based on FBI crime data. See full safety report.
Frequently Asked Questions
What is the best month to visit San Jose?
The best time to visit San Jose is March through November, when highs average 64-83°F with comfortable temperatures and manageable rainfall. August scores highest for tourism at 10/10.
What is the weather like in San Jose in August?
In August, San Jose has average highs of 82°F and lows of 58°F. Expect 0" of rainfall and 57% humidity. Snow is not expected.
Does it snow in San Jose?
No, San Jose, California does not typically get snow. Winters stay mild with lows around 42°F.
How hot does San Jose get?
The hottest month in San Jose is July, with average highs of 83°F and lows of 58°F. Humidity averages 55%. Summers are warm but generally manageable.
What should I pack for San Jose?
For the best time to visit (August): Light layers, Sunglasses, Comfortable walking shoes, UV-protection sunglasses. Adjust layers based on the season you're visiting.