average temperature in may in glacier bay
Glacier Bay has a maritime climate, heavily influenced by ocean currents. The result is mild winter temperatures and cool summer temperatures near sea level. Summer visitors can expect highs between of 50-to-60 degrees F (10-to-15 degrees C). Winter temperatures rarely drop into the single digits, with average nighttime lows of 25-to-40 degrees F (-2 to 5 degrees C).