Glacier Bay National Park and Preserve Weather in December

December in Glacier Bay National Park and Preserve brings very low temperatures, with daytime highs of -2°C (28°F) and nights around -7°C (19°F). It's part of the rainy season, with 514 mm (20 in) of snowfall on average, so an umbrella or poncho is a good idea.

Rainfall in Glacier Bay National Park and Preserve in December

Glacier Bay National Park and Preserve is in the rainy season in December, with rain on around 16 days and an average of 514 mm (20 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.

Temperature in Glacier Bay National Park and Preserve in December

Temperatures in Glacier Bay National Park and Preserve in December top out at -2°C (28°F) and drop to -7°C (19°F) overnight. December is part of winter. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. At -7°C (19°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. This month is particularly chilly, so wearing layers is necessary to stay warm and comfortable.

If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.