Ketchikan Weather by Season

What Alaska Cruisers Should Know Before Booking a Fishing Excursion

Planning a fishing trip to Ketchikan, Alaska? Smart move — but don’t forget to check the forecast. Ketchikan weather is unpredictable.  It’s famously known as the “Rain Capital of Alaska”, and while that might sound daunting, seasoned anglers know it’s just part of the experience — and part of what makes the region so rich in fish, forests, and local culture.

With the right gear and a bit of planning, you can enjoy a world-class Ketchikan Fishing Excursion in any season.

Here’s your complete guide to Ketchikan weather by season, what fish are biting, and how to prepare — rain or shine.

Rain in Ketchikan: More Than Just Weather — It’s Life

In Ketchikan, rain isn’t an inconvenience — it’s a blessing. It feeds the rivers that salmon return to each year, nurtures the lush Tongass rainforest, and sustains the incredible biodiversity of the region.

Locals say: “There’s no bad weather, only bad gear.”

Rain supports:

  • Salmon migration and spawning

  • Wildflowers, berries, and old-growth forest ecosystems

  • Local traditions, including Tlingit and Haida cultural respect for nature

When you step into the rain in Ketchikan, you’re experiencing the heartbeat of Southeast Alaska.

Spring (April – June)

Spring is a favorite among savvy anglers — it’s the beginning of the season with fewer crowds and strong king salmon runs.

Average Temps:

  • April: 49°F / 38°F

  • May: 55°F / 44°F

  • June: 60°F / 49°F

Weather:

  • Mixed days with rain, sun, and overcast skies

  • Long daylight hours

  • A few surprisingly warm, bluebird days

Best Fishing:

  • King (Chinook) salmon season kicks off in May

  • Early halibut and bottomfish action

  • Lingcod opens mid-May

Pro Tip: April is the perfect time to book your summer charter before cruise season spikes demand. Want to fish in May or June? Reserve your spot now.

A massive halibut with a fishing rig in its mouth.

Summer (July – August)

Peak season, peak fishing. Summer in Ketchikan offers the best combo trips, coho runs, and (sometimes) a bit of sunshine.

Average Temps:

  • July: 64°F / 54°F

  • August: 63°F / 53°F

Weather:

  • Rain is still likely — but usually lighter and warmer

  • Mornings can be misty, afternoons warm up

  • Always dress in layers

Best Fishing:

  • Coho (Silver) salmon are aggressive and fun to catch

  • Pink (Humpy) salmon arrive in massive numbers

  • Halibut + salmon combo trips are at their best

Pro Tip: This is prime time for cruise visitors — with over 10,000 people in town on some days, early booking is a must.

A woman on a boat holding a massive wild salmon.

Fall (September – October)

Autumn brings color, calm, and fewer boats on the water.

Average Temps:

  • September: 56°F / 46°F

  • October: 48°F / 40°F

Weather:

  • Rain picks up again

  • Beautiful forest colors

  • Crisp mornings, calm water

Best Fishing:

  • Late coho runs through early October

  • Halibut, lingcod, and bottomfish

  • Great for wildlife viewing and photography

Pro Tip: If you want solitude and end-of-season silvers, this is your moment. Just pack for wet weather and cool mornings.

Captain Lukas of Ketchikan Finest Fishing Charters & Ketchikan Fishing Company holding a massive salmon in the rain.

Winter (November – March)

Quiet, misty, and mostly for locals.

Average Temps:

  • December–February: 30s–40s daytime, 20s–30s overnight

Weather:

  • Short daylight hours

  • Wind, rain, and occasional snow

  • Limited charter availability

Fishing Note:

  • Most charters are closed

  • Some locals target winter kings or bottomfish, weather permitting

  • This is the best time to start planning your next summer trip

A massive lingcod being held by 2 people with a fishing rig in its mouth.

What to Pack for Fishing in Ketchikan — Any Season

Being prepared for the weather can make or break your fishing day. Whether it’s a misty morning in May or a damp afternoon in August, here’s what to bring:

Must-Have Gear:

  • Waterproof jacket and pants (not just water-resistant)

  • Rubber boots or deck shoes

  • Warm base layers, fleece or wool

  • Hat and gloves — even in summer

  • Dry bag for electronics and personal items

  • Pro Tip: We’ve got covered boats, but packing smart ensures you stay comfortable and focused on the fish.

Planning Around Ketchikan Fishing Seasons & Regulations

Each season brings different opportunities — and different rules. If you’re visiting in 2025, it’s important to know the latest Alaska fishing regulations for non-residents.

  • King Salmon: 1 per person annually (over 28″), with area closures

  • Halibut: 1 per day with charter size limits

  • Lingcod: Season opens mid-May

 For a full breakdown, check out:
2025 Southeast Alaska Fishing Regulations: What Non-Residents Need to Know

When Should You Book Your Ketchikan Fishing Excursion?

Ketchikan’s weather might be unpredictable — but the fishing is consistently epic. From early spring king salmon to the fall coho run, there’s always something exciting in the water.

Pack smart. Book early. And get ready to experience the wild, wonderful, rainy rhythm of Southeast Alaska.

Book your Ketchikan Fishing Excursion today — and we’ll handle the rest.