What is the weather like year-round?
Long Island experiences four distinct seasons, with warm, humid summers, colorful autumns, cool winters, and mild springs. Surrounded by the Atlantic Ocean and Long Island Sound, the island’s coastal location helps moderate temperatures throughout the year, making the climate milder than many inland parts of New York.
In Short
Long Island enjoys four seasons, each offering unique weather and outdoor activities. Summers are ideal for beaches and boating, autumn brings crisp air and colorful foliage, winters feature occasional snow and coastal storms, and spring welcomes warmer temperatures and blooming landscapes. Visitors can check the latest conditions anytime on our Long Island Weather page.
What Is the Weather Like on Long Island Year-Round?
Long Island’s climate is influenced by the surrounding ocean, which helps reduce temperature extremes throughout the year. Summers are generally warm and humid, while winters are typically milder than those experienced farther inland. Weather conditions can vary between the North Shore, South Shore, and East End, particularly during coastal storms.
Summer, from June through August, is the busiest tourism season. Average daytime temperatures commonly range from the upper 70s into the 80s, making it an excellent time to enjoy the island’s beaches, boating, fishing, parks, outdoor concerts, wineries, and waterfront communities.
Autumn offers comfortable temperatures, lower humidity, and spectacular fall colors. Many visitors consider September and October among the best months to visit thanks to harvest festivals, pumpkin farms, vineyards, and pleasant weather throughout destinations such as the North Fork and The Hamptons.
Winter brings colder temperatures, occasional snowfall, rain, and coastal storms. While major nor’easters can occur, Long Island’s proximity to the ocean generally results in milder winter temperatures than many inland areas of New York. Spring gradually transitions into warmer weather with blooming flowers, longer days, and the return of hiking, boating, golf, and other outdoor activities.
Because weather conditions can change quickly – especially near the coast – it’s always a good idea to check the latest forecast before heading outdoors. Our Long Island Weather page provides current conditions, radar, marine forecasts, tides, ocean temperatures, and other useful information for planning your visit.
Quick Facts
| Season | Typical Weather |
|---|---|
| Spring (March–May) | Mild and gradually warming with blooming flowers, occasional rain showers, and increasing sunshine. |
| Summer (June–August) | Warm and humid, with daytime temperatures generally in the upper 70s through the 80s. Ideal for beaches, boating, and outdoor recreation. |
| Fall (September–November) | Comfortable temperatures, colorful foliage, lower humidity, harvest festivals, and excellent sightseeing weather. |
| Winter (December–February) | Cool to cold with occasional snow, rain, and coastal storms, although generally milder than inland New York. |
| Ocean Influence | The Atlantic Ocean and Long Island Sound help moderate temperatures throughout the year. |
| Live Forecast | Visit our Long Island Weather page for current conditions, radar, tides, marine forecasts, and ocean temperatures. |
Long Island offers something to enjoy during every season, whether you’re planning a summer beach vacation, a fall wine tour, a spring getaway, or a winter escape. To help plan your trip, be sure to visit our Long Island Weather page for the latest forecast, and explore our guides to the best time to visit, winter snowfall, hurricane season, seasonal ocean temperatures, and when Long Island beaches are open.
