alaskaseasonalwildlife
Alaska in Summer: A Week-by-Week Guide
May 6, 2026·Cruise Wave Editorial
When to sail Alaska
Alaska's cruise season runs roughly mid-May to late September. Each window has trade-offs.
Mid-May to early June
- Lower prices, fewer crowds
- Cooler temperatures (can be 8–14°C)
- Spring wildlife emerging
Mid-June to mid-August (peak)
- Long daylight hours (18+ hours of sun)
- Best whale watching
- Highest prices
Late August to September
- Northern Lights start becoming visible on later sailings
- Salmon runs and bear viewing peak
- Cooler, occasional rain
What to pack
Layers, waterproof shell, gloves, hat, comfortable hiking shoes for shore excursions.
