Discover the Year-Round Climate in New Hampshire
New Hampshire experiences all four seasons in full swing, offering a diverse and engaging weather experience throughout the year. Whether you’re planning a move, a vacation, or simply curious about the Granite State’s climate, understanding the typical weather patterns month by month can help you prepare better.
From snowy winters to warm, pleasant summers, New Hampshire weather reflects the classic New England climate. Weather enthusiasts, outdoor adventurers, and nature lovers often find the state’s climate both stunning and unpredictable.
Seasonal Overview of New Hampshire Weather
Each season in New Hampshire offers a distinct set of weather conditions, allowing you to experience everything from vibrant fall foliage to lush spring blooms. Here's what you can expect:
Winter in New Hampshire (December – February)
Winter is cold and snowy, especially in the northern and mountainous regions. This season is perfect for skiing, snowboarding, and other winter sports.
- Average high temperatures: 28°F to 36°F (-2°C to 2°C)
- Average low temperatures: 10°F to 18°F (-12°C to -8°C)
- Snowfall: Can range from 50 to 100 inches per season, depending on the area
- Best places for snow activities: White Mountains, Franconia Notch, Mount Washington
If you're considering moving to New Hampshire or visiting in the winter, make sure to bring layers, snow boots, and a reliable heater or car defroster.
Spring in New Hampshire (March – May)
Spring in New Hampshire is a mix of melting snow, rainy days, and budding landscapes. It’s a transitional season, with temperatures gradually warming up.
- March can still feel wintry, especially in northern areas
- April and May begin to feel more comfortable, ranging from 50°F to 70°F
- Frequent rain showers help flowers bloom and lakes thaw
- Great time for maple syrup tours and spring hikes
Spring is unpredictable, so it’s smart to pack rain gear and layers as the weather can change daily.
Summer in New Hampshire (June – August)
Summer brings warm, sunny days with occasional humidity. It’s the best time for hiking, lake visits, and camping in the forested state parks.
- Average daytime temperatures: 75°F to 85°F (24°C to 29°C)
- Nighttime lows: 55°F to 65°F
- July is typically the warmest month
- Thunderstorms are common in the late afternoon
You’ll love the scenic lakes like Lake Winnipesaukee, which are bustling with activities like boating and fishing. Coastal towns such as Portsmouth offer breezy ocean escapes.
Fall in New Hampshire (September – November)
Fall in New Hampshire is world-famous for its vibrant foliage that attracts visitors nationwide. Crisp air and rich colors define the season.
- September is still warm and sunny, averaging around 70°F
- October brings cooler temps, with highs around 55°F to 60°F
- November? Typically chilly and marks the beginning of winter
- Peak foliage: Typically early to mid-October
Traveling scenic byways like the Kancamagus Highway during peak foliage season is a must. It's also a great time for apple picking and seasonal festivals.
Monthly Breakdown of New Hampshire Temperatures
For a clearer understanding of the year-round weather in New Hampshire, take a look at the monthly average temperatures:
- January: High 29°F / Low 11°F
- February: High 32°F / Low 13°F
- March: High 41°F / Low 23°F
- April: High 55°F / Low 34°F
- May: High 68°F / Low 45°F
- June: High 77°F / Low 55°F
- July: High 82°F / Low 60°F
- August: High 80°F / Low 58°F
- September: High 72°F / Low 50°F
- October: High 60°F / Low 38°F
- November: High 47°F / Low 30°F
- December: High 34°F / Low 17°F
These values can vary slightly depending on elevation and proximity to the coast or mountains, but they offer a good guideline for planning your wardrobe and activities.
Is New Hampshire’s Weather Good for Outdoor Activities?
Absolutely! New Hampshire offers weather that supports recreational activities throughout the year. Whether it's hiking in the summer or snowmobiling in the winter, there's always something exciting happening outdoors.
- Winter: Skiing, snowshoeing, and ice fishing
- Spring: Waterfall hikes, maple sugar Tours
- Summer: Lake trips, camping, and mountain biking
- Fall: Leaf peeping, hiking trails, corn mazes
Weather patterns are mostly predictable by season, but sudden changes are possible in mountain areas, so always check forecasts before heading out.
Common Climate Questions About New Hampshire
Does New Hampshire get a lot of snow?
Yes, especially in the northern and mountainous regions. Some areas receive over 100 inches of snowfall annually. Coastal and southern regions get less, usually around 50–70 inches a year.
Is New Hampshire’s summer hot or mild?
Summers in New Hampshire are generally warm with average highs in the 70s and 80s. Humidity can increase in July, but it rarely feels overwhelmingly hot like southern U.S. states.
When is the best time to visit New Hampshire for fall colors?
The best time to see fall foliage in New Hampshire is from late September to mid-October. Peak color often happens in early October, especially in the White Mountains and northern regions.
Is the weather in New Hampshire different along the coast?
Yes, the seacoast region, including cities like Portsmouth, has slightly milder winters and cooler summers due to ocean breezes. Inland and mountainous areas experience more dramatic temperature swings.
Tips for Preparing for New Hampshire Weather
It’s essential to pack and plan according to the season, especially if you’re visiting or moving to this New England state.
- Winter: Bring insulated clothing and snow gear
- Spring: Pack waterproof shoes and layers
- Summer: Don’t forget sunscreen and insect repellent
- Fall: Dress in layers and keep a warm jacket on hand
Local weather can change quickly, especially in the mountains. Always check the forecast daily, especially if you're heading outdoors.
