Climate · United States

Ketchikan

Mild and wet from June to September; chilly and wet from November to March.

Typical weather, averaged over 30 years55.3°N0 m above the sea
  1. Jan42°6°33°1°Rain on about five days a week.
  2. Feb43°6°34°1°Rain on about five days a week.
  3. Mar44°7°34°1°Rain on about five days a week.
  4. Apr50°10°38°3°Rain on about four days a week.
  5. May57°14°44°7°Rain on about four days a week.
  6. Jun62°17°50°10°Rain on about four days a week.
  7. Jul65°18°53°12°Rain on about four days a week.
  8. Aug67°19°55°13°Rain on about four days a week.
  9. Sep62°17°51°11°Rain on about five days a week.
  10. Oct55°13°46°8°Rain on about five days a week.
  11. Nov47°8°39°4°Rain on about five days a week.
  12. Dec43°6°34°1°Rain on about five days a week.
Each month: its typical high and low, and dots for wet days a week. Tap a month to open it.The best months

The warm season runs from June to September, with highs near 64°F and nights near 52°F. From November to March, highs are nearer 44°F. Rain comes in two spells, in March and from September to January. May to August is the driest stretch, with rain on about four days a week. Daylight runs from about 7 hours in December to 17½ hours in June.The warm season runs from June to September, with highs near 18°C and nights near 11°C. From November to March, highs are nearer 7°C. Rain comes in two spells, in March and from September to January. May to August is the driest stretch, with rain on about four days a week. Daylight runs from about 7 hours in December to 17½ hours in June.

Where Ketchikan sits

America/Sitka

this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
55.3°Nnorthern hemisphere
Above the sea
0 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
8:05 AM7:12 AM7:04 AM5:45 AM4:38 AM4:04 AM4:24 AM5:18 AM6:17 AM7:14 AM7:19 AM8:07 AMsets 3:46 PMsets 4:49 PMsets 6:48 PMsets 7:49 PMsets 8:47 PMsets 9:29 PMsets 9:20 PMsets 8:25 PMsets 7:07 PMsets 5:50 PMsets 3:44 PMsets 3:16 PM
Nearest of ours
Sitka297 km north-west

The land around Ketchikan, shaded by its typical high in January, the planning map's own layer.The land around Ketchikan, shaded by its typical high in February, the planning map's own layer.The land around Ketchikan, shaded by its typical high in March, the planning map's own layer.The land around Ketchikan, shaded by its typical high in April, the planning map's own layer.The land around Ketchikan, shaded by its typical high in May, the planning map's own layer.The land around Ketchikan, shaded by its typical high in June, the planning map's own layer.The land around Ketchikan, shaded by its typical high in July, the planning map's own layer.The land around Ketchikan, shaded by its typical high in August, the planning map's own layer.The land around Ketchikan, shaded by its typical high in September, the planning map's own layer.The land around Ketchikan, shaded by its typical high in October, the planning map's own layer.The land around Ketchikan, shaded by its typical high in November, the planning map's own layer.The land around Ketchikan, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Through the year

week by week

Temperature

Highs from 42°F in January to 67°F in August.Highs from 6°C in January to 19°C in August.

Chance of a wet day

Wettest in October (76% of days), driest in May (53%).

Cloud cover

Clearest in August (65% cover), cloudiest in December and January (76%).

Daylight

From 7h 11m in December to 17h 21m in June.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the best months. Hover or tap a week for its figures.

Month by month

°F°C

Ketchikan, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical low to highWet days a weekCloudDaylight
JanuaryCool season
33°1°42°6°
5 days76%7h 47m
FebruaryCool season
34°1°43°6°
5 days74%9h 32m
MarchCool season
34°1°44°7°
5 days71%11h 44m
April
38°3°50°10°
4 days70%14h 05m
May
44°7°57°14°
4 days68%16h 11m
JuneWarm season
50°10°62°17°
4 days70%17h 21m
JulyWarm seasonAt its best
53°12°65°18°
4 days68%16h 47m
AugustWarm seasonAt its best
55°13°67°19°
4 days65%14h 54m
SeptemberWarm season
51°11°62°17°
5 days70%12h 35m
October
46°8°55°13°
5 days75%10h 15m
NovemberCool season
39°4°47°8°
5 days75%8h 14m
DecemberCool season
34°1°43°6°
5 days76%7h 11m

When is the best time to visit Ketchikan?


The best months are July to August: highs near 66°F, nights near 54°F, and rain on about four days a week.The best months are July to August: highs near 19°C, nights near 12°C, and rain on about four days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions


What is the warmest month in Ketchikan?

August, with highs near 67°F and lows near 55°F. The coolest is January, with highs near 42°F.August, with highs near 19°C and lows near 13°C. The coolest is January, with highs near 6°C.

When does it rain most in Ketchikan?

October, with rain on about five days a week. May is the driest, with rain on about four days a week.

How long are the days in Ketchikan?

From about 7 hours in December to 17½ hours in June.

When are the skies clearest in Ketchikan?

August, when cloud covers about 65% of the sky on average. December and January are the cloudiest, at about 76%.

Places with a year like Ketchikan's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Ketchikan's through the year, one place a country. “Six months apart”: their winter is Ketchikan's summer.

Elsewhere in United States

All of United States

Where to stay

1 in our collection

Typical weather, averaged over 30 years (1995–2024), read 6 km south-west of Ketchikan. Its own grid square is mostly sea and holds only a daily average, so the page reads the nearest square with a true high and low near the town's height. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (0 m) against the climate model's (162 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (0 m) against the climate model's (162 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.