Ketchikan
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Ketchikan Weather in May

May in Ketchikan typically sees daytime highs of 12°C (54°F) and nighttime lows of 7°C (45°F). May falls within the rainy season, so heavy rainfall is to be expected.

Rainfall in Ketchikan in May

As part of the rainy season, Ketchikan sees around 16 days of rain in May, with an average of 174 mm (6.9 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Ketchikan in May

May in Ketchikan brings typical temperatures with highs around 12°C (54°F) and lows of 7°C (45°F). Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Ketchikan in May

The city usually sees around 185 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).

If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit Ketchikan. Our weather planner can help you explore destinations with more pleasant weather conditions.

Ketchikan Temperature in May

Min Temperature
7°C (45°F)
Max Temperature
12°C (54°F)
Chance of Rain
54%
Precipitation
174 mm (6.9 in)
Rainy days
16 days
Humidity
75% *
Sunshine
185 hours *
Percentage Sunshine
*
* Data from: Annette Island, the United States of America (34 KM, 21 Miles).

Ketchikan Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Ketchikan - and find the best time to visit.

Best Places in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Ketchikan in May

Pack for changing conditions in Ketchikan in May. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Ketchikan in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    5/10
  • Walking
    5/10
  • Camping
    3/10
  • Outdoor sports
    5/10

Ketchikan 3-Day Forecast

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

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