Lightning Map San Jose, CA

Real-time lightning tracking for San Jose, California. This city averages 6 thunderstorm days per year, making lightning awareness important for San Jose residents and visitors.

Location 37.34°N, 121.89°W
State California
Storm Activity low
6
Storm Days/Year
1.0M
Population
15
State Average

Real-Time Lightning Near San Jose

Monitor live lightning strikes and approaching storms

Get Live Lightning Data for San Jose

Download Lightning Tracker to see every lightning strike near San Jose in real time. Set custom alert zones and get notified before storms reach your location.

Thunderstorm Season in San Jose

When to expect lightning activity in San Jose, CA

Thunderstorm season in San Jose spans from April through September. Peak lightning activity occurs in June and July, when warm, moist air from the south collides with cooler air masses. Spring severe weather season from March through May can produce dangerous storms.

6 annual thunderstorm days in San Jose

Compared to the national average of approximately 25 thunderstorm days per year, San Jose sees 19 fewer days of thunderstorm activity. The California statewide average is 15 days.

Lightning Safety Tips for San Jose

Essential guidelines to stay safe during thunderstorms

30-30 Rule

When you see lightning, count to 30. If you hear thunder before reaching 30, get indoors. Wait 30 minutes after the last thunderclap before going outside.

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Seek Shelter

With 6 thunderstorm days annually, residents of San Jose should always have a shelter plan. Move inside a substantial building or hard-topped vehicle.

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Stay Informed

Use Lightning Tracker to monitor real-time lightning near San Jose. Set alerts for your neighborhood to get advance warning of approaching storms.

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Avoid Open Areas

Stay away from open fields, hilltops, isolated trees, and bodies of water during storms. If hiking, descend from ridges and peaks immediately.