Auke Bay, Alaska climate: Climate normals at a NOAA weather station
Auke Bay's normal year runs from 25°F January nights to 64°F July afternoons, with 65.1 inches of precipitation and 81 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 5.8°C, January lows of −4°C, July highs of 18°C, 1,653 mm of precipitation a year.
- NOAA stationAuke Bay
- Station IDUSC00500464
- Location58.38°N 134.65°W
- Elevation44 ft (13 m)
On October 23, the normal high in Auke Bay is 44°F and the normal low 37°F, and the chance of measurable rain or snow is 78%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Auke Bay.
- Jan 31° 25°
- Feb 35° 26°
- Mar 39° 28°
- Apr 49° 34°
- May 57° 42°
- Jun 63° 48°
- Jul 64° 51°
- Aug 63° 51°
- Sep 55° 46°
- Oct 46° 39°
- Nov 37° 31°
- Dec 33° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Auke Bay each month?
July is the warmest month, with normal highs of 64°F; January the coldest, with normal lows of 25°F. The most precipitation falls in September (9.91 in), the least in April (3.07 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 31°F | 25°F | 28.2°F | 5.23 | 24.0 | 21 | <1 | 24 | 7 h |
| February | 35°F | 26°F | 30.4°F | 3.58 | 14.8 | 17 | <1 | 21 | 9 h 20 min |
| March | 39°F | 28°F | 33.3°F | 3.10 | 10.1 | 17 | <1 | 22 | 11 h 40 min |
| April | 49°F | 34°F | 41.4°F | 3.07 | 1.2 | 17 | <1 | 10 | 14 h 20 min |
| May | 57°F | 42°F | 49.8°F | 3.60 | 0.0 | 16 | <1 | 1 | 16 h 40 min |
| June | 63°F | 48°F | 55.6°F | 4.34 | 0.0 | 17 | <1 | <1 | 18 h 10 min |
| July | 64°F | 51°F | 57.5°F | 5.87 | 0.0 | 19 | <1 | <1 | 17 h 40 min |
| August | 63°F | 51°F | 56.6°F | 7.10 | 0.0 | 20 | <1 | <1 | 15 h 30 min |
| September | 55°F | 46°F | 50.6°F | 9.91 | 0.0 | 23 | <1 | <1 | 13 h |
| October | 46°F | 39°F | 42.5°F | 7.91 | 0.8 | 25 | <1 | 5 | 10 h 20 min |
| November | 37°F | 31°F | 33.8°F | 5.85 | 11.5 | 22 | <1 | 16 | 8 h |
| December | 33°F | 27°F | 30.1°F | 5.51 | 18.3 | 21 | <1 | 23 | 6 h 30 min |
| Year (annual) | 48°F | 37°F | 42.5°F | 65.07 | 80.7 | 236 | <1 | 122 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 0°C | −4°C | −2.1°C | 133 mm | 61 cm |
| February | 2°C | −3°C | −0.9°C | 91 mm | 38 cm |
| March | 4°C | −2°C | 0.7°C | 79 mm | 26 cm |
| April | 9°C | 1°C | 5.2°C | 78 mm | 3 cm |
| May | 14°C | 6°C | 9.9°C | 91 mm | 0 cm |
| June | 17°C | 9°C | 13.1°C | 110 mm | 0 cm |
| July | 18°C | 11°C | 14.2°C | 149 mm | 0 cm |
| August | 17°C | 10°C | 13.7°C | 180 mm | 0 cm |
| September | 13°C | 8°C | 10.3°C | 252 mm | 0 cm |
| October | 8°C | 4°C | 5.8°C | 201 mm | 2 cm |
| November | 3°C | −1°C | 1.0°C | 149 mm | 29 cm |
| December | 0°C | −3°C | −1.1°C | 140 mm | 46 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00500464; 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.
Which months are mildest at Auke Bay?
No month's normal high reaches 65°F in Auke Bay: the warmest is July at 64°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 USC00500464.
When is the last frost at Auke Bay?
In Auke Bay, the last spring frost (32°F) comes after April 27 in half of years and after May 11 in one year in ten; the first autumn frost comes before October 18 in half of years and before September 30 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
- April 271 year in 10 after May 11; 9 in 10 after April 12
- First autumn frost, half of years before
- October 181 year in 10 before September 30; 9 in 10 before November 3
NOAA puts the median frost-free season at 172 days, and the season without a hard freeze (28°F) at 208 days.
A hard freeze (28°F) comes after April 9 in half of springs and before November 4 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Auke Bay in zone 7a in ZIP code 99824, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, the station is in zone 7a: the coldest night of a typical year reaches 2°F (28 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 USC00500464; 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 at Auke Bay?
In a normal year in Auke Bay, a 90°F day is rare, 122 nights fall to 32°F or colder and 236 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
- 122a normal year
- Days that stay below freezing
- 39high of 32°F or less
- Days with 0.01 inch of precipitation
- 236a normal year
- Days with 1 inch of snow or more
- 22a normal year
The highest temperature in this station's record (since 1963) is 89°F, on July 16, 1996; the lowest is −15°F, on February 2, 1968.
The wettest calendar year on that record is 2022, with 90.13 in; the snowiest season is 2006–07, with 194.8 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00500464; records: ACIS (NOAA Regional Climate Centers), station USC00500464. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Auke Bay?
Over a year 57% of the sunlight that would reach the ground under clear skies gets through the clouds at Auke Bay, 2.4 kWh per square metre a day. May is the sunniest month (62%) and January the cloudiest (46%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 46% | 0.3 |
| February | 53% | 1.0 |
| March | 56% | 2.1 |
| April | 60% | 3.6 |
| May | 62% | 4.7 |
| June | 59% | 4.9 |
| July | 56% | 4.3 |
| August | 56% | 3.5 |
| September | 53% | 2.2 |
| October | 49% | 1.1 |
| November | 47% | 0.5 |
| December | 47% | 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 many heating and cooling degree days does Auke Bay record?
A normal year at Auke Bay brings 8,199 heating degree days, 53% more than the median U.S. place (5,373), and 7 cooling degree days, 99% fewer than the median (908). Nine months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 732 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,141 | 0 |
| February | 969 | 0 |
| March | 981 | 0 |
| April | 708 | 0 |
| May | 471 | 0 |
| June | 286 | 2 |
| July | 236 | 3 |
| August | 260 | 1 |
| September | 432 | 0 |
| October | 698 | 0 |
| November | 935 | 0 |
| December | 1,083 | 0 |
| Year (annual) | 8,199 | 7 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00500464. 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.
Have recent years at Auke Bay been warmer than normal?
2023 averaged 44.3°F, 1.8°F above the 1991-2020 normal of 42.5°F. 2 of the 3 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 41.6°F | −0.9°F | 70.60 | 120.0 |
| 2022 | 43.2°F | +0.7°F | 90.13 | 71.6 |
| 2023 | 44.3°F | +1.8°F | 74.32 | 75.7 |
Over 51 complete years from 1964 to 2023, the station's annual mean temperature rose at a fitted 4.3°F per century (+0.24°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00500464; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Auke Bay's climate compare?
Auke Bay is warmer than 70 of the 85 places with their own NOAA record in Alaska, and wetter than 54. Across the 7,247 U.S. stations with normals, its annual mean of 42.5°F is warmer than 11%.
In the Köppen classification computed from these normals, Auke Bay is Dfb: continental, no dry season, warm 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.
Questions about Auke Bay's climate
What is the coldest month at Auke Bay?
January, with a normal high of 31°F and a normal low of 25°F. The warmest is July (64°F by day, 51°F at night).
Does it snow at Auke Bay?
Yes: 81 inches in a normal year, falling on 40 days with 0.1 inch or more, the most in January (24.0 inches).
What is the rainiest month at Auke Bay?
September, with 9.91 in of precipitation in a normal year; the driest is April with 3.07 in.
What plant hardiness zone is Auke Bay in?
The USDA's 2023 map puts Auke Bay in zone 7a in ZIP code 99824, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches 2°F (28 years, 1991-2020): zone 7a.
How late can frost come at Auke Bay?
In half of years the last 32°F night comes after April 27; in one year in ten it comes after May 11. Waiting until May 11 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Alaska climateThe statewide normals and every place in the state
- Juneau, AK3 miles from this station, 42.1°F a year
- Eaglecrest Base, AK9 miles from this station, 38.0°F a year
- Juneau Downtown, AK10 miles from this station, 43.5°F a year
- Annex Creek, AK21 miles from this station, 39.4°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made