Alaska climate: Statewide normals, its places and each month, NOAA 1991-2020

Alaska's statewide normal is 28.0°F a year with 37.6 inches of precipitation (NOAA nClimDiv, 1991-2020); it has warmed 3.3°F per century since 1925, and 2019 was its warmest year.

Statewide normal temperature
28.0°Fyear, 1991-2020
Statewide normal precipitation
37.6 inyear, 1991-2020
Last five years against normal
+0.4°F2021-2025 mean 28.4°F
Places with normals
19285 Census places, 107 other stations

What is Alaska's weather like each month?

Statewide, July is the warmest month and January the coldest. Each month has its own page with the warmest and coolest places that month:

  1. Jan11°-2°
  2. Feb16°1°
  3. Mar21°3°
  4. Apr35°17°
  5. May49°31°
  6. Jun60°42°
  7. Jul62°46°
  8. Aug58°43°
  9. Sep48°34°
  10. Oct33°21°
  11. Nov19°7°
  12. Dec13°1°
Alaska statewide normals by month, 1991-2020 (NOAA nClimDiv)
MonthHighLowMeanPrecip.
January11°F−2°F4.2°F2.82
February16°F1°F8.7°F2.39
March21°F3°F12.3°F2.11
April35°F17°F26.2°F1.90
May49°F31°F40.1°F2.12
June60°F42°F50.9°F2.42
July62°F46°F54.1°F3.48
August58°F43°F50.4°F4.57
September48°F34°F41.4°F4.96
October33°F21°F27.1°F4.23
November19°F7°F13.3°F3.50
December13°F1°F7.0°F3.14

Source: NOAA NCEI nClimDiv statewide series (Climate at a Glance); data files. Statewide values are area-weighted from a 5 km grid of station data, so they differ from the simple average of a state's stations.

Has Alaska been warmer than normal?

4 of the 5 complete years since 2021 ran warmer than the 1991-2020 statewide normal of 28.0°F. The record since 1925 rises at a fitted 3.3°F per century; the warmest year was 2019 (32.2°F).

Alaska statewide mean temperature in recent years
YearMeanAgainst normal
202126.5°F−1.5°F
202228.6°F+0.6°F
202328.4°F+0.5°F
202428.9°F+0.9°F
202529.6°F+1.6°F

Source: NOAA NCEI nClimDiv statewide annual series.

Where is it warmest, wettest and snowiest in Alaska?

Among the places PlainClimate covers, Annette Island Airport has the warmest year (47.7°F) and Utqiagvik, formerly Barrow (4 mi ENE) the coolest (12.7°F); Little Port Walter is the wettest (245.7 in) and Kuparuk the driest (4.7 in), and Valdez gets the most snow (325 in).

Anchorage: 37.6°F a yearFairbanks: 28.3°F a yearJuneau: 42.1°F a yearBadger: 28.1°F a yearCollege: 28.5°F a yearNorth Lakes: 37.0°F a yearSitka: 45.4°F a yearKetchikan: 46.0°F a yearKenai: 35.6°F a yearSterling: 35.7°F a yearPalmer: 37.1°F a yearBethel: 31.4°F a yearHomer: 40.1°F a yearKodiak: 42.2°F a yearUtqiaġvik: 13.7°F a yearSoldotna: 34.1°F a yearValdez: 39.7°F a yearNome: 28.0°F a yearPetersburg: 43.0°F a yearGoldstream: 24.3°F a yearKotzebue: 24.0°F a yearSeward: 40.4°F a yearEster: 26.8°F a yearNorth Pole: 26.5°F a yearCordova: 39.9°F a yearWrangell: 44.9°F a yearHaines: 41.9°F a yearWillow: 33.4°F a yearTok: 24.7°F a yearLazy Mountain: 35.4°F a yearMetlakatla: 45.7°F a yearSkagway: 42.7°F a yearCraig: 44.9°F a yearTalkeetna: 35.9°F a yearDelta Junction: 30.0°F a yearHoonah: 43.1°F a yearHealy: 28.6°F a yearKlawock: 45.2°F a yearSand Point: 39.9°F a yearGustavus: 40.6°F a yearWainwright: 14.8°F a yearTwo Rivers: 29.9°F a yearYakutat: 41.1°F a yearNuiqsut: 13.4°F a yearThorne Bay: 44.2°F a yearGalena: 26.0°F a yearSt. Paul: 35.9°F a yearKivalina: 22.7°F a yearKing Salmon: 36.5°F a yearNenana: 30.1°F a yearMcGrath: 28.9°F a yearWhittier: 41.1°F a yearSeldovia: 39.5°F a yearTanana: 25.5°F a yearCooper Landing: 36.7°F a yearNorthway: 24.7°F a yearPort Alsworth: 34.8°F a yearDeering: 23.2°F a yearKaltag: 27.9°F a yearDry Creek: 27.2°F a yearCantwell: 27.2°F a yearOuzinkie: 40.5°F a yearCentral: 23.0°F a yearPelican: 42.7°F a yearEagle: 26.3°F a yearMoose Pass: 35.7°F a yearPort Alexander: 45.6°F a yearGulkana: 28.3°F a yearSkwentna: 34.5°F a yearSt. George: 36.7°F a yearCold Bay: 39.3°F a yearIliamna: 37.7°F a yearTonsina: 27.6°F a yearHope: 36.5°F a yearBettles: 23.9°F a yearWiseman: 22.6°F a yearPaxson: 26.2°F a yearHyder: 42.9°F a yearWhitestone: 29.6°F a yearElfin Cove: 42.8°F a yearFox: 27.8°F a yearMcCarthy: 29.9°F a yearChicken: 20.2°F a yearNabesna: 26.7°F a yearPoint Baker: 43.7°F a year AnchorageFairbanksJuneau
Alaska: the places PlainClimate covers by their normal yearly mean temperature: from the coolest place (13.4°F a year, blue) to the warmest (46.0°F, red); each dot is a place's NOAA station.
Alaska: every place PlainClimate covers, with its NOAA 1991-2020 normals (largest first)
PlaceYearJuly highJanuary lowPrecip.SnowLast frost
Anchorage37.6°F66°F11°F16.478May 5
Fairbanks28.3°F73°F−17°F11.765May 13
Juneau42.1°F64°F24°F67.088May 4
Badger28.1°F73°F−16°F12.854May 18
College28.5°F71°F−11°F13.364May 18
North Lakes37.0°F67°F11°F18.862May 16
Sitka45.4°F60°F32°F84.5–April 12
Ketchikan46.0°F65°F32°F149.5–April 22
Kenai35.6°F63°F7°F18.3–May 24
Sterling35.7°F66°F8°F23.1–May 20
Palmer37.1°F68°F8°F12.6–May 6
Bethel31.4°F64°F1°F19.764May 21
Homer40.1°F63°F19°F23.9–May 10
Kodiak42.2°F62°F26°F78.370May 5
Utqiaġvik13.7°F48°F−18°F5.446–
Soldotna34.1°F66°F5°F21.6–June 11
Valdez39.7°F64°F19°F67.9325April 30
Nome28.0°F58°F−2°F17.281June 5
Petersburg43.0°F62°F27°F110.286April 29
Goldstream24.3°F71°F−18°F14.3––
Kotzebue24.0°F60°F−8°F11.464June 5
Seward40.4°F62°F21°F69.7–May 2
Ester26.8°F72°F−15°F14.6–May 24
North Pole26.5°F71°F−17°F13.553May 22
Cordova39.9°F62°F19°F86.2–May 23
Wrangell44.9°F64°F29°F––April 11
Haines41.9°F65°F19°F47.4–April 25
Willow33.4°F68°F−4°F––May 15
Tok24.7°F72°F−20°F10.638–
Lazy Mountain35.4°F66°F9°F18.083May 22
Metlakatla45.7°F62°F31°F105.2–April 14
Skagway42.7°F65°F22°F25.2–April 21
Craig44.9°F60°F33°F99.9–April 14
Talkeetna35.9°F69°F5°F26.5–May 16
Delta Junction30.0°F70°F−8°F10.3–May 17
Hoonah43.1°F65°F27°F65.890May 9
Healy28.6°F67°F−9°F15.4–May 27
Klawock45.2°F63°F31°F89.2–April 29
Sand Point39.9°F56°F27°F48.9–May 11
Gustavus40.6°F63°F22°F58.7–May 28
Wainwright14.8°F52°F−18°F–––
Two Rivers29.9°F75°F−13°F15.861May 30
Yakutat41.1°F62°F22°F140.4147May 20
Nuiqsut13.4°F58°F−23°F5.7––
Thorne Bay44.2°F66°F28°F85.2–May 1
Galena26.0°F69°F−17°F13.977May 18
St. Paul35.9°F52°F21°F24.364June 4
Kivalina22.7°F56°F−9°F9.7–June 10
King Salmon36.5°F65°F10°F21.447May 26
Nenana30.1°F73°F−12°F12.4–May 15
McGrath28.9°F70°F−14°F18.187May 13
Whittier41.1°F63°F24°F197.3268April 25
Seldovia39.5°F62°F21°F40.4–May 10
Tanana25.5°F71°F−17°F11.550May 29
Cooper Landing36.7°F69°F9°F––June 12
Northway24.7°F72°F−22°F11.343May 26
Port Alsworth34.8°F67°F5°F23.6–June 2
Deering23.2°F62°F−12°F–––
Kaltag27.9°F69°F−12°F21.5–May 25
Dry Creek27.2°F72°F−15°F15.757May 30
Cantwell27.2°F66°F−9°F16.8––
Ouzinkie40.5°F60°F26°F––May 9
Central23.0°F73°F−24°F––May 25
Pelican42.7°F60°F28°F164.6112May 4
Eagle26.3°F73°F−16°F11.5––
Moose Pass35.7°F66°F9°F42.2–May 31
Port Alexander45.6°F64°F32°F162.056April 18
Gulkana28.3°F69°F−12°F11.8–June 7
Skwentna34.5°F70°F1°F––May 23
St. George36.7°F51°F23°F20.4–May 31
Cold Bay39.3°F56°F24°F42.767May 25
Iliamna37.7°F65°F12°F25.0–May 10
Tonsina27.6°F70°F−9°F13.372–
Hope36.5°F66°F10°F––May 18
Bettles23.9°F70°F−19°F16.098May 22
Wiseman22.6°F70°F−19°F15.9––
Paxson26.2°F65°F−10°F–––
Hyder42.9°F68°F22°F92.5–May 4
Whitestone29.6°F74°F−11°F12.742May 26
Elfin Cove42.8°F58°F29°F104.0110April 26
Fox27.8°F70°F−11°F15.655May 28
McCarthy29.9°F71°F−9°F17.767–
Chicken20.2°F70°F−29°F12.337–
Nabesna26.7°F66°F−11°F––June 4
Point Baker43.7°F60°F31°F82.3–April 19

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

What are Alaska's all-time weather records?

The official state records, reviewed by NOAA's State Climate Extremes Committee: from 100°F to −80°F.

Alaska: official all-time records (NOAA State Climate Extremes Committee)
RecordValueWhereWhen
Highest temperature100°FFort YukonJune 27, 1915
Lowest temperature−80°FProspect Creek CampJanuary 23, 1971
Most precipitation in 24 hours15.05 inSewardOctober 10, 1986
Most snow in 24 hours78 inMile 47 CampFebruary 9, 1963
Deepest snow on the ground192 inValdez Municipal Airport (tied 2 times; the latest shown)April 11, 2008

Source: NOAA NCEI State Climate Extremes Committee records.

Which other NOAA stations in Alaska keep normals?

107 stations in Alaska that are not a town's own record keep 1991-2020 normals too: reservoirs and dams, parks and forests, research farms, remote sites and the second stations of towns (those are shown on the town's page). Each with its normal yearly mean:

Source: NOAA NCEI 1991-2020 normals for each station.

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