Eaglecrest Base, Alaska climate: Climate normals at a NOAA weather station
Eaglecrest Base's normal year runs from 20°F January nights to 60°F July afternoons, with 104.5 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 3.3°C, January lows of −7°C, July highs of 15°C, 2,655 mm of precipitation a year.
- NOAA stationEaglecrest Base
- Station IDUSC00502610
- Location58.28°N 134.51°W
- Elevation1,134 ft (346 m)
On October 23, the normal high in Eaglecrest Base is 40°F and the normal low 32°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Eaglecrest Base.
- Jan 29° 20°
- Feb 30° 21°
- Mar 34° 23°
- Apr 44° 29°
- May 52° 35°
- Jun 58° 43°
- Jul 60° 47°
- Aug 59° 47°
- Sep 53° 41°
- Oct 42° 34°
- Nov 34° 26°
- Dec 30° 23°
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 Eaglecrest Base each month?
July is the warmest month, with normal highs of 60°F; January the coldest, with normal lows of 20°F. The most precipitation falls in September (13.09 in), the least in May (5.32 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 29°F | 20°F | 24.4°F | 9.44 | – | <1 | 28 | 7 h |
| February | 30°F | 21°F | 25.6°F | 6.52 | – | <1 | 26 | 9 h 20 min |
| March | 34°F | 23°F | 28.2°F | 6.29 | – | <1 | 29 | 11 h 40 min |
| April | 44°F | 29°F | 36.3°F | 5.94 | – | <1 | 22 | 14 h 20 min |
| May | 52°F | 35°F | 43.9°F | 5.32 | – | <1 | 6 | 16 h 40 min |
| June | 58°F | 43°F | 50.2°F | 6.07 | – | <1 | <1 | 18 h 10 min |
| July | 60°F | 47°F | 53.4°F | 8.11 | – | <1 | <1 | 17 h 40 min |
| August | 59°F | 47°F | 52.9°F | 10.07 | – | <1 | <1 | 15 h 30 min |
| September | 53°F | 41°F | 47.1°F | 13.09 | – | <1 | 2 | 13 h |
| October | 42°F | 34°F | 38.0°F | 12.65 | – | <1 | 12 | 10 h 30 min |
| November | 34°F | 26°F | 30.2°F | 10.59 | – | <1 | 24 | 8 h |
| December | 30°F | 23°F | 26.3°F | 10.43 | – | <1 | 28 | 6 h 30 min |
| Year (annual) | 44°F | 32°F | 38.0°F | 104.52 | – | <1 | 178 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | −2°C | −7°C | −4.2°C | 240 mm |
| February | −1°C | −6°C | −3.6°C | 166 mm |
| March | 1°C | −5°C | −2.1°C | 160 mm |
| April | 6°C | −2°C | 2.4°C | 151 mm |
| May | 11°C | 2°C | 6.6°C | 135 mm |
| June | 14°C | 6°C | 10.1°C | 154 mm |
| July | 15°C | 8°C | 11.9°C | 206 mm |
| August | 15°C | 8°C | 11.6°C | 256 mm |
| September | 12°C | 5°C | 8.4°C | 332 mm |
| October | 6°C | 1°C | 3.3°C | 321 mm |
| November | 1°C | −3°C | −1.0°C | 269 mm |
| December | −1°C | −5°C | −3.2°C | 265 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Juneau (6 miles away), gets 88 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00502610; 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 Eaglecrest Base?
No month's normal high reaches 65°F in Eaglecrest Base: the warmest is July at 60°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 USC00502610.
When is the last frost at Eaglecrest Base?
In Eaglecrest Base, the last spring frost (32°F) comes after May 21 in half of years and after June 2 in one year in ten; the first autumn frost comes before October 1 in half of years and before September 19 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 211 year in 10 after June 2; 9 in 10 after May 5
- First autumn frost, half of years before
- October 11 year in 10 before September 19; 9 in 10 before October 16
NOAA puts the median frost-free season at 132 days, and the season without a hard freeze (28°F) at 164 days.
A hard freeze (28°F) comes after May 5 in half of springs and before October 16 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Eaglecrest Base in zone 7a in ZIP code 99824, the nearest ZIP area.
Frost dates for every NOAA station in Alaska · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00502610; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. 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 Eaglecrest Base?
In a normal year in Eaglecrest Base, a 90°F day is rare and 178 nights fall to 32°F or colder.
- 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
- 178a normal year
- Days that stay below freezing
- 72high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00502610.
How sunny is it at Eaglecrest Base?
Over a year 57% of the sunlight that would reach the ground under clear skies gets through the clouds at Eaglecrest Base, 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 Eaglecrest Base record?
A normal year at Eaglecrest Base brings 9,827 heating degree days, 83% more than the median U.S. place (5,373), and 1 cooling degree days, 100% fewer than the median (908). Twelve months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 324 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,259 | 0 |
| February | 1,105 | 0 |
| March | 1,142 | 0 |
| April | 863 | 0 |
| May | 656 | 0 |
| June | 446 | 0 |
| July | 360 | 0 |
| August | 375 | 0 |
| September | 539 | 0 |
| October | 837 | 0 |
| November | 1,046 | 0 |
| December | 1,201 | 0 |
| Year (annual) | 9,827 | 1 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00502610. 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 Eaglecrest Base been warmer than normal?
2022 averaged 40.6°F, 2.6°F above the 1991-2020 normal of 38.0°F. 2 of the 2 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 38.5°F | +0.5°F | 127.20 |
| 2022 | 40.6°F | +2.6°F | 142.16 |
Source: observed years: ACIS, station USC00502610. A year counts only with all twelve months complete.
How does Eaglecrest Base's climate compare?
Eaglecrest Base is warmer than 56 of the 85 places with their own NOAA record in Alaska, and wetter than 67. Across the 7,247 U.S. stations with normals, its annual mean of 38.0°F is warmer than 3%.
In the Köppen classification computed from these normals, Eaglecrest Base 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.
Questions about Eaglecrest Base's climate
What is the coldest month at Eaglecrest Base?
January, with a normal high of 29°F and a normal low of 20°F. The warmest is July (60°F by day, 47°F at night).
Does it snow at Eaglecrest Base?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Juneau (6 miles away), records 88 inches of snow in a normal year.
What is the rainiest month at Eaglecrest Base?
September, with 13.09 in of precipitation in a normal year; the driest is May with 5.32 in.
What plant hardiness zone is Eaglecrest Base in?
The USDA's 2023 map puts Eaglecrest Base in zone 7a in ZIP code 99824, the nearest ZIP area.
How late can frost come at Eaglecrest Base?
In half of years the last 32°F night comes after May 21; in one year in ten it comes after June 2. Waiting until June 2 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 Downtown, AK4 miles from this station, 43.5°F a year
- Juneau, AK6 miles from this station, 42.1°F a year
- Auke Bay, AK9 miles from this station, 42.5°F a year
- Annex Creek, AK16 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