Connecticut lightning map
Connecticut's thunderstorms cluster in summer afternoons, often along cold fronts and sea-breeze boundaries pushing across southern New England.
Cities in Connecticut
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Frequently asked
How many thunderstorm days does Connecticut get?
Connecticut averages about 25 thunderstorm days a year, versus a US average near 25. Activity peaks June–August.
When is thunderstorm season in Connecticut?
Lightning is most frequent June–August in Connecticut.