Yakutat, Alaska climate: Normal weather by month, frost dates and records

Yakutat's normal year runs from 22°F January nights to 62°F July afternoons, with 140.4 inches of precipitation and 147 inches of snow a year. (NOAA 1991-2020 normals)

In metric: a yearly mean of 5.1°C, January lows of −5°C, July highs of 16°C, 3,565 mm of precipitation a year.

  • NOAA stationYakutat Airport
  • Station IDUSW00025339
  • Location59.51°N 139.67°W
  • Elevation33 ft (10 m)
  • Population (census place)506

On October 23, the normal high in Yakutat is 47°F and the normal low 33°F, and the chance of measurable rain or snow is 74%.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Yakutat.

  1. Jan 35° 22°
  2. Feb 38° 24°
  3. Mar 40° 24°
  4. Apr 47° 30°
  5. May 54° 38°
  6. Jun 59° 45°
  7. Jul 62° 49°
  8. Aug 62° 48°
  9. Sep 57° 42°
  10. Oct 49° 35°
  11. Nov 40° 27°
  12. Dec 36° 25°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

What is the weather like in Yakutat each month?

July is the warmest month, with normal highs of 62°F; January the coldest, with normal lows of 22°F. The most precipitation falls in September (19.03 in), the least in June (5.41 in).

Each month has its own page with the day-by-day normals, the month's records and its recent years:

Yakutat monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanPrecip.SnowWet days90°F daysFreezing nightsDaylight
January 35°F22°F28.6°F 12.4128.9 21<1246 h 50 min
February 38°F24°F30.6°F 10.2927.5 19<1229 h 10 min
March 40°F24°F31.9°F 9.5230.4 18<12511 h 40 min
April 47°F30°F38.6°F 7.947.2 19<11814 h 30 min
May 54°F38°F45.6°F 7.850.3 17<1717 h
June 59°F45°F51.9°F 5.410.0 17<1<118 h 40 min
July 62°F49°F55.4°F 7.630.0 19<1<118 h
August 62°F48°F54.7°F 13.910.0 19<1<115 h 40 min
September 57°F42°F49.4°F 19.030.0 22<1313 h
October 49°F35°F41.9°F 18.883.4 23<11210 h 20 min
November 40°F27°F33.7°F 13.5520.0 22<1217 h 40 min
December 36°F25°F30.8°F 13.9429.6 23<1236 h 10 min
Year (annual)48°F34°F41.1°F140.36147.3237<1157
The same normals in °C and millimetres
Yakutat monthly normals, 1991-2020 (°C, mm, snow in cm)
MonthHighLowMeanPrecip.Snow
January2°C−5°C−1.9°C315 mm73 cm
February3°C−5°C−0.8°C261 mm70 cm
March4°C−5°C−0.1°C242 mm77 cm
April8°C−1°C3.7°C202 mm18 cm
May12°C3°C7.6°C199 mm1 cm
June15°C7°C11.1°C137 mm0 cm
July16°C10°C13.0°C194 mm0 cm
August17°C9°C12.6°C353 mm0 cm
September14°C5°C9.7°C483 mm0 cm
October9°C2°C5.5°C480 mm9 cm
November5°C−3°C0.9°C344 mm51 cm
December2°C−4°C−0.7°C354 mm75 cm
Normal daily high and low by month, Yakutat
Normal precipitation by month, Yakutat (inches)

Source: NOAA NCEI 1991-2020 monthly normals, station USW00025339; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.

When is the best weather to visit Yakutat?

No month's normal high reaches 65°F in Yakutat: the warmest is August at 62°F.

That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.

Source: NOAA NCEI 1991-2020 monthly normals, station USW00025339.

When is the last frost in Yakutat?

In Yakutat, the last spring frost (32°F) comes after May 20 in half of years and after May 31 in one year in ten; the first autumn frost comes before September 23 in half of years and before September 5 in one year in ten.

Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years

Last spring frost, half of years after
May 201 year in 10 after May 31; 9 in 10 after May 3
First autumn frost, half of years before
September 231 year in 10 before September 5; 9 in 10 before October 8

NOAA puts the median frost-free season at 124 days, and the season without a hard freeze (28°F) at 161 days.

A hard freeze (28°F) comes after May 1 in half of springs and before October 7 in half of autumns.

The USDA's 2023 Plant Hardiness Zone Map puts Yakutat in zone 6b in ZIP code 99689. By the map's own method, the average of each year's coldest night over 1991-2020, Yakutat's NOAA station is in zone 6b: the coldest night of a typical year reaches −3°F (29 complete years).

Frost dates for every NOAA station in Alaska · Frost dates by ZIP code

Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USW00025339; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.

How hot and how cold does it get in Yakutat?

In a normal year in Yakutat, a 90°F day is rare, 157 nights fall to 32°F or colder and 237 days bring measurable precipitation.

Days at 90°F or more
fewer than 1a normal year
Days at 100°F or more
fewer than 1a normal year
Nights at 32°F or colder
157a normal year
Days that stay below freezing
34high of 32°F or less
Days with 0.01 inch of precipitation
237a normal year
Days with 1 inch of snow or more
38a normal year

The highest temperature in Yakutat's official record (kept by the National Weather Service since 1917) is 88°F, on August 15, 2004; the lowest is −24°F, on December 30, 1964.

The wettest calendar year on that record is 1987, with 250.24 in; the snowiest season is 1975–76, with 403.2 inches.

Source: NOAA NCEI 1991-2020 annual normals, station USW00025339; records: ACIS (NOAA Regional Climate Centers), NWS threaded record YAKthr. Records use complete months only; a month missing more than three days is left out.

How humid and windy is Yakutat, and how clear are its skies?

The summer (June-August) dew point averages 50°F. The muggiest month is July, with an average dew point of 52°F; the driest air comes in February (23°F). November is the windiest month (6.1 mph on average), and February has the most clear or nearly clear hours (36%).

Yakutat: humidity, dew point, wind and sky by month (NOAA hourly normals, 1991-2020)
MonthDew pointHumidityAfternoon humidityWindClear or few cloudsOvercast
January26°F85%80%5.6 mph25%59%
February23°F78%66%5.3 mph36%46%
March29°F78%64%5.3 mph26%50%
April36°F78%65%5.6 mph22%51%
May44°F81%68%5.4 mph17%55%
June49°F83%72%4.7 mph12%67%
July52°F87%76%4.5 mph11%70%
August48°F86%74%4.9 mph18%58%
September42°F87%75%5.5 mph20%60%
October33°F85%77%5.1 mph23%56%
November27°F85%83%6.1 mph17%64%
December25°F84%84%5.4 mph25%58%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00025339. Monthly averages of all hours; afternoon humidity at 3 p.m. local standard time; sky as the share of hours NOAA's observations rate clear or few clouds (a dash where NOAA publishes no sky value).

How sunny is Yakutat?

Over a year 61% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Yakutat, 2.5 kWh per square metre a day. June is the sunniest month (64%) and December the cloudiest (49%).

Yakutat: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January50%0.3
February55%1.0
March58%2.1
April63%3.7
May63%4.7
June64%5.3
July63%4.8
August63%3.8
September60%2.5
October54%1.2
November51%0.4
December49%0.2

Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.

How much heating and cooling does Yakutat need?

A normal year in Yakutat brings 8,706 heating degree days, 62% more than the median U.S. place (5,373), and 0 cooling degree days, 100% fewer than the median (908). Eleven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 448 growing degree days a year above 50°F.

Yakutat: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January1,1280
February9620
March1,0260
April7920
May6000
June3930
July2980
August3210
September4680
October7180
November9390
December1,0620
Year (annual)8,7060

Source: NOAA NCEI 1991-2020 monthly normals, station USW00025339. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.

Has Yakutat been warmer than normal lately?

2024 averaged 42.6°F, 1.5°F above the 1991-2020 normal of 41.1°F. 2 of the 3 complete years since 2021 ran warmer than the normal.

Yakutat: each recent year's mean against the 1991-2020 normal (41.1°F)
YearMeanAgainst normalPrecip.Snow
202139.4°F−1.8°F116.48–
202241.6°F+0.5°F162.59–
202442.6°F+1.5°F117.17–

Over 91 complete years from 1919 to 2025, the station's annual mean temperature rose at a fitted 2.7°F per century (+0.15°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.

Source: observed years: ACIS, station USW00025339; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.

How does Yakutat's climate compare?

Yakutat is warmer than 65 of the other 84 places with their own NOAA record in Alaska, and wetter than 69. Across the 7,247 U.S. stations with normals, its annual mean of 41.1°F is warmer than 8%.

In the Köppen classification computed from these normals, Yakutat is Dfc: continental, no dry season, cool summer. What the classes mean.

Places with the most similar year elsewhere

Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:

Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.

What do Yakutat's other NOAA stations record?

One more NOAA station keeps 1991-2020 normals in or near Yakutat. This page uses Yakutat Airport; the other differs by site and elevation:

Other NOAA stations in or near Yakutat: 1991-2020 normals (°F, inches)
StationFrom this stationElevationYearJan lowJul highPrecip.SnowLast frost
Yakutat (3 mi SSE)
USW00025382
1 mi SW26 ft40.0°F20°F61°F142.0–May 13

Source: NOAA NCEI 1991-2020 normals for each station. Last frost: the median last spring date of 32°F.

Questions about Yakutat's climate

What is the coldest month in Yakutat?

January, with a normal high of 35°F and a normal low of 22°F. The warmest is July (62°F by day, 49°F at night).

Does it snow in Yakutat?

Yes: 147 inches in a normal year, falling on 62 days with 0.1 inch or more, the most in March (30.4 inches).

What is the rainiest month in Yakutat?

September, with 19.03 in of precipitation in a normal year; the driest is June with 5.41 in.

What plant hardiness zone is Yakutat in?

The USDA's 2023 map puts Yakutat in zone 6b in ZIP code 99689. By the same method at Yakutat's NOAA station, the coldest night of a typical year reaches −3°F (29 years, 1991-2020): zone 6b.

How late can frost come in Yakutat?

In half of years the last 32°F night comes after May 20; in one year in ten it comes after May 31. Waiting until May 31 leaves about a one-in-ten chance of a later frost.

Nearby and next

Download these normals (CSV) · JSON · How these figures are made