Measurements:
°C
°F
Ketchikan
40°F
W 4 mph
Feels like: 38°F
Precip: 0%
World Resorts USA Ketchikan Weather May Weather in Ketchikan

Ketchikan Weather: May

Average Day Temperature: 49.9°F
Average Night Temperature: 46.1°F
Sea Water Temperature: 49.5°F
Number of Sunny Days: 5 days
Sunshine Hours: 15.3 - 17.0 hours
Number of Rainy Days: 5 days
Precipitation Totals: 2.1 in

Air Temperature in May, °F

Select Year: 2025 2024 2023

The highest day temperature in May 2025 was 55°F. The lowest night temperature was 40°F. The average values for day and night temperatures during May were 48.7°F и 46.1°F respectivly.

Ketchikan Water Sea Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Ketchikan was 48.4°F. The maximum and minimum values were 46.4°F and 50.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are gloomy but you can also expect sunny days.

Precipitation Totals in May, in

Precipitation total in May for Ketchikan is 2.1 in. It makes may the least rainy month of the year.

Wind Speed in May, mph

The average wind speed in May is 8.6 mph. It makes May one of the most windless months of the year for Ketchikan.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Ketchikan in May is 5.5 hours.

Best Time to Visit Ketchikan
The most sunny months:
August 9 days
July 7 days
March 6 days
The most warm months:
August 61.7 °F
July 60.5 °F
September 56.3 °F
Warmest sea temperature:
August 61.2 °F
July 60.1 °F
September 56.6 °F
The most cold months:
January 34.6 °F
December 35.0 °F
February 35.4 °F
The most rainy months:
January 11 days
November 10 days
October 9 days
The most windy months:
November 12 mph
January 12 mph
December 11 mph

Ketchikan on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +20
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Ketchikan
Local time: 00:13
05 dec, friday
0300 40°F
W
4 mph
0600 38°F
W
5 mph
0900 38°F
S
6 mph
1200 40°F
S
7 mph
1500 40°F
S
6 mph
1800 34°F
S
4 mph
2100 32°F
SW
2 mph
06 dec, saturday
0000 32°F
NW
3 mph