New Haven, CT Lightning Map
Real-time lightning tracking for New Haven, Connecticut. This city averages 25 thunderstorm days per year, making lightning awareness important for New Haven residents and visitors.
Live data from NOAA GOES-19 GLM. New Haven, CT. — quiet period. New Haven, CT averages 25 thunderstorm days per year.
Data sourced from NOAA GOES-19 GLM and the Storm Prediction Center.
Real-Time Lightning Near New Haven
Monitor live lightning strikes and approaching storms
Live Lightning Data for New Haven
Download the iOS app for live alerts, then use this city page plus the nearby-lightning and alert guides to make faster weather and safety calls in New Haven.
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Thunderstorm Season in New Haven
When to expect lightning activity in New Haven, CT
New Haven sees most of its thunderstorm activity between May and August, with June and July being the peak months. Storms are typically driven by frontal systems and can develop rapidly during warm, humid afternoons. The transition months of May and September can also bring significant lightning.
Compared to the national average of approximately 25 thunderstorm days per year, New Haven is right at the average of thunderstorm activity. The Connecticut statewide average is 25 days.
Lightning Safety Tips for New Haven
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.
Seek Shelter
With 25 thunderstorm days annually, residents of New Haven should always have a shelter plan. Move inside a substantial building or hard-topped vehicle.
Stay Informed
Use Lightning Tracker to monitor real-time lightning near New Haven. Set alerts for your neighborhood to get advance warning of approaching storms.
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.
Useful Guides for New Haven
These guides match the nearby-lightning and alert questions people ask most often
Use this guide to judge nearby strike danger fast, especially when storms are building near your neighborhood.
Alerts Best alert options for New Haven stormsSee how app alerts, NOAA weather radio, and local warnings work when storms move toward your city.
Map guide How to read live lightning around New HavenUnderstand strike clusters, motion, and timing so you can decide when to get indoors.
New Haven Lightning FAQ
Fast answers for live lightning, storm season, and safety in New Haven
How many thunderstorm days does New Haven, Connecticut get per year?
New Haven averages 25 thunderstorm days per year. The national average is approximately 25 days, and the Connecticut statewide average is 25 days.
When is thunderstorm season in New Haven?
New Haven sees most of its thunderstorm activity between May and August, with June and July being the peak months. Storms are typically driven by frontal systems and can develop rapidly during warm, humid afternoons. The transition months of May and September can also bring significant lightning.
What should I do if caught in a lightning storm in New Haven?
Follow the 30-30 rule: if the time between seeing lightning and hearing thunder is 30 seconds or less, seek shelter immediately. With 25 thunderstorm days annually in New Haven, always have a shelter plan. Move inside a substantial building or hard-topped vehicle, and wait 30 minutes after the last thunderclap before going outside.
Nearest Lightning Maps to New Haven
Jump to nearby city pages when storms are moving across the region