White Mountains, NH: A Year-Round Temperature Guide
The White Mountains of New Hampshire are renowned for their breathtaking landscapes, offering a diverse range of activities throughout the year. Understanding the region's temperature patterns can help you plan your visit accordingly. Let's delve into the seasonal temperatures and what they mean for your White Mountains adventure.
Spring (March to May)
Spring in the White Mountains brings a mix of melting snow and blooming wildflowers. Temperatures start to rise from the cold winter lows, but they can still be quite variable. Here's what you can expect:
- Average Highs: March - mid 40s°F (around 7°C), April - mid 50s°F (around 13°C), May - mid 60s°F (around 17°C)
- Average Lows: March - low 20s°F (-6°C to -1°C), April - low 30s°F (around 0°C), May - low 40s°F (around 5°C)
Spring is an ideal time for hiking, with trails becoming accessible as the snow melts. However, be prepared for unpredictable weather and potential snowstorms.

Summer (June to August)
Summer in the White Mountains offers warm days and pleasant nights, perfect for outdoor activities. Here's what to expect:
- Average Highs: June - mid 70s°F (around 23°C), July - mid 80s°F (around 29°C), August - mid 80s°F (around 29°C)
- Average Lows: June - mid 50s°F (around 13°C), July - mid 60s°F (around 17°C), August - mid 60s°F (around 17°C)
Summer is peak season for hiking, biking, and water activities. However, it can also be busy, so plan accordingly and consider visiting mid-week.
Fall (September to November)
Fall in the White Mountains is a spectacular display of foliage, with temperatures starting to cool down. Here's what you can expect:

- Average Highs: September - mid 70s°F (around 23°C), October - mid 60s°F (around 17°C), November - mid 50s°F (around 13°C)
- Average Lows: September - mid 50s°F (around 13°C), October - mid 40s°F (around 5°C), November - low 40s°F (around 5°C)
Fall is an excellent time for leaf peeping, hiking, and enjoying the outdoors before winter sets in. Keep an eye on the weather, as early snowstorms can occur.
Winter (December to February)
Winter in the White Mountains is cold and snowy, perfect for winter sports enthusiasts. Here's what to expect:
- Average Highs: December - mid 30s°F (around 2°C), January - mid 20s°F (-6°C), February - mid 30s°F (around 2°C)
- Average Lows: December - low 20s°F (-6°C to -1°C), January - low teens°F (-10°C to -5°C), February - low 20s°F (-6°C to -1°C)
Winter is ideal for skiing, snowboarding, snowshoeing, and other winter activities. Dress in layers and be prepared for cold temperatures.

White Mountains NH Temperature: At a Glance
| Season | Average High (°F) | Average Low (°F) |
|---|---|---|
| Spring (March to May) | 45°F - 65°F (7°C - 18°C) | 25°F - 45°F (-4°C - 7°C) |
| Summer (June to August) | 70°F - 85°F (21°C - 29°C) | 55°F - 65°F (13°C - 18°C) |
| Fall (September to November) | 50°F - 75°F (10°C - 24°C) | 35°F - 55°F (2°C - 13°C) |
| Winter (December to February) | 20°F - 35°F (-7°C - 2°C) | 10°F - 25°F (-12°C - -4°C) |






















