Wally Noerenberg Hatchery, Alaska climate: Climate normals at a NOAA weather station
Wally Noerenberg Hatchery's normal year runs from 20°F January nights to 63°F July afternoons, with 145.8 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 4.4°C, January lows of −7°C, July highs of 17°C, 3,703 mm of precipitation a year.
- NOAA stationWally Noerenberg Hatchery
- Station IDUSC00509747
- Location60.80°N 148.09°W
- Elevation35 ft (11 m)
On October 23, the normal high in Wally Noerenberg Hatchery is 45°F and the normal low 33°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Wally Noerenberg Hatchery.
- Jan 33° 20°
- Feb 35° 20°
- Mar 38° 20°
- Apr 45° 28°
- May 53° 35°
- Jun 61° 44°
- Jul 63° 49°
- Aug 63° 48°
- Sep 56° 43°
- Oct 47° 35°
- Nov 39° 28°
- Dec 34° 24°
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 Wally Noerenberg Hatchery each month?
July is the warmest month, with normal highs of 63°F; January the coldest, with normal lows of 20°F. The most precipitation falls in September (18.17 in), the least in June (5.49 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 33°F | 20°F | 26.4°F | 13.70 | – | <1 | 25 | 6 h 30 min |
| February | 35°F | 20°F | 27.5°F | 12.42 | – | <1 | 23 | 9 h |
| March | 38°F | 20°F | 29.2°F | 8.82 | – | <1 | 27 | 11 h 40 min |
| April | 45°F | 28°F | 36.7°F | 8.76 | – | <1 | 16 | 14 h 30 min |
| May | 53°F | 35°F | 44.0°F | 8.84 | – | <1 | 5 | 17 h 20 min |
| June | 61°F | 44°F | 52.2°F | 5.49 | – | <1 | <1 | 19 h 10 min |
| July | 63°F | 49°F | 56.2°F | 8.22 | – | <1 | <1 | 18 h 20 min |
| August | 63°F | 48°F | 55.4°F | 12.26 | – | <1 | <1 | 15 h 50 min |
| September | 56°F | 43°F | 49.3°F | 18.17 | – | <1 | <1 | 13 h |
| October | 47°F | 35°F | 40.8°F | 17.81 | – | <1 | 4 | 10 h 10 min |
| November | 39°F | 28°F | 33.1°F | 14.64 | – | <1 | 18 | 7 h 30 min |
| December | 34°F | 24°F | 29.0°F | 16.67 | – | <1 | 24 | 5 h 40 min |
| Year (annual) | 47°F | 33°F | 40.0°F | 145.80 | – | <1 | 143 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 0°C | −7°C | −3.1°C | 348 mm |
| February | 2°C | −7°C | −2.5°C | 315 mm |
| March | 3°C | −7°C | −1.6°C | 224 mm |
| April | 7°C | −2°C | 2.6°C | 223 mm |
| May | 12°C | 2°C | 6.7°C | 225 mm |
| June | 16°C | 7°C | 11.2°C | 139 mm |
| July | 17°C | 10°C | 13.4°C | 209 mm |
| August | 17°C | 9°C | 13.0°C | 311 mm |
| September | 13°C | 6°C | 9.6°C | 462 mm |
| October | 8°C | 2°C | 4.9°C | 452 mm |
| November | 4°C | −2°C | 0.6°C | 372 mm |
| December | 1°C | −5°C | −1.7°C | 423 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Main Bay (19 miles away), gets 262 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00509747; 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 Wally Noerenberg Hatchery?
No month's normal high reaches 65°F in Wally Noerenberg Hatchery: the warmest is July at 63°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 USC00509747.
When is the last frost at Wally Noerenberg Hatchery?
In Wally Noerenberg Hatchery, the last spring frost (32°F) comes after May 20 in half of years and after June 1 in one year in ten; the first autumn frost comes before October 9 in half of years and before September 26 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 June 1; 9 in 10 after May 5
- First autumn frost, half of years before
- October 91 year in 10 before September 26; 9 in 10 before October 24
NOAA puts the median frost-free season at 142 days, and the season without a hard freeze (28°F) at 169 days.
A hard freeze (28°F) comes after May 5 in half of springs and before October 23 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Wally Noerenberg Hatchery in zone 7a in ZIP code 99693, 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 USC00509747; 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 Wally Noerenberg Hatchery?
In a normal year in Wally Noerenberg Hatchery, a 90°F day is rare and 143 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
- 143a normal year
- Days that stay below freezing
- 40high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00509747.
How sunny is it at Wally Noerenberg Hatchery?
Over a year 59% of the sunlight that would reach the ground under clear skies gets through the clouds at Wally Noerenberg Hatchery, 2.4 kWh per square metre a day. March is the sunniest month (64%) and November the cloudiest (52%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 53% | 0.3 |
| February | 55% | 0.9 |
| March | 64% | 2.3 |
| April | 61% | 3.6 |
| May | 61% | 4.6 |
| June | 59% | 4.9 |
| July | 60% | 4.6 |
| August | 58% | 3.5 |
| September | 57% | 2.3 |
| October | 53% | 1.1 |
| November | 52% | 0.4 |
| December | 53% | 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 Wally Noerenberg Hatchery record?
A normal year at Wally Noerenberg Hatchery brings 9,108 heating degree days, 70% more than the median U.S. place (5,373), and 3 cooling degree days, 100% fewer than the median (908). Ten months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 521 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,195 | 0 |
| February | 1,050 | 0 |
| March | 1,110 | 0 |
| April | 851 | 0 |
| May | 649 | 0 |
| June | 386 | 1 |
| July | 275 | 2 |
| August | 299 | 1 |
| September | 470 | 0 |
| October | 750 | 0 |
| November | 959 | 0 |
| December | 1,116 | 0 |
| Year (annual) | 9,108 | 3 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00509747. 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.
How does Wally Noerenberg Hatchery's climate compare?
Wally Noerenberg Hatchery is warmer than 61 of the 85 places with their own NOAA record in Alaska, and wetter than 70. Across the 7,247 U.S. stations with normals, its annual mean of 40.0°F is warmer than 6%.
In the Köppen classification computed from these normals, Wally Noerenberg Hatchery 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 Wally Noerenberg Hatchery's climate
What is the coldest month at Wally Noerenberg Hatchery?
January, with a normal high of 33°F and a normal low of 20°F. The warmest is July (63°F by day, 49°F at night).
Does it snow at Wally Noerenberg Hatchery?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Main Bay (19 miles away), records 262 inches of snow in a normal year.
What is the rainiest month at Wally Noerenberg Hatchery?
September, with 18.17 in of precipitation in a normal year; the driest is June with 5.49 in.
What plant hardiness zone is Wally Noerenberg Hatchery in?
The USDA's 2023 map puts Wally Noerenberg Hatchery in zone 7a in ZIP code 99693, the nearest ZIP area.
How late can frost come at Wally Noerenberg Hatchery?
In half of years the last 32°F night comes after May 20; in one year in ten it comes after June 1. Waiting until June 1 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Alaska climateThe statewide normals and every place in the state
- Main Bay, AK19 miles from this station, 39.5°F a year
- Whittier, AK21 miles from this station, 41.1°F a year
- Cannery Creek, AK24 miles from this station, 38.8°F a year
- Portage Glacier V C, AK25 miles from this station, 37.1°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made