Whites Crossing, Alaska climate: Climate normals at a NOAA weather station
Whites Crossing's normal year runs from −2°F January nights to 71°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 0.8°C, January lows of −19°C, July highs of 22°C.
- NOAA stationWhites Crossing
- Station IDUSC00509790
- Location61.71°N 150.00°W
- Elevation270 ft (82 m)
On October 23, the normal high in Whites Crossing is 36°F and the normal low 19°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Whites Crossing.
- Jan 16° -2°
- Feb 26° 2°
- Mar 34° 7°
- Apr 48° 23°
- May 61° 34°
- Jun 69° 44°
- Jul 71° 49°
- Aug 67° 46°
- Sep 57° 37°
- Oct 41° 24°
- Nov 23° 6°
- Dec 18° 0°
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 Whites Crossing each month?
July is the warmest month, with normal highs of 71°F; January the coldest, with normal lows of −2°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 16°F | −2°F | 7.1°F | – | <1 | 31 | 6 h 10 min |
| February | 26°F | 2°F | 14.1°F | – | <1 | 28 | 8 h 50 min |
| March | 34°F | 7°F | 20.5°F | – | <1 | 31 | 11 h 40 min |
| April | 48°F | 23°F | 35.6°F | – | <1 | 27 | 14 h 40 min |
| May | 61°F | 34°F | 47.8°F | – | <1 | 14 | 17 h 30 min |
| June | 69°F | 44°F | 56.5°F | – | <1 | 1 | 19 h 30 min |
| July | 71°F | 49°F | 60.2°F | – | <1 | <1 | 18 h 40 min |
| August | 67°F | 46°F | 56.6°F | – | <1 | 1 | 16 h |
| September | 57°F | 37°F | 46.8°F | – | <1 | 10 | 13 h |
| October | 41°F | 24°F | 32.0°F | – | <1 | 26 | 10 h 10 min |
| November | 23°F | 6°F | 14.6°F | – | <1 | 30 | 7 h 20 min |
| December | 18°F | 0°F | 9.1°F | – | <1 | 31 | 5 h 20 min |
| Year (annual) | 44°F | 23°F | 33.4°F | – | <1 | 228 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | −9°C | −19°C | −13.8°C |
| February | −3°C | −16°C | −9.9°C |
| March | 1°C | −14°C | −6.4°C |
| April | 9°C | −5°C | 2.0°C |
| May | 16°C | 1°C | 8.8°C |
| June | 20°C | 7°C | 13.6°C |
| July | 22°C | 10°C | 15.7°C |
| August | 19°C | 8°C | 13.7°C |
| September | 14°C | 3°C | 8.2°C |
| October | 5°C | −5°C | 0.0°C |
| November | −5°C | −14°C | −9.7°C |
| December | −8°C | −18°C | −12.7°C |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, North Lakes (22 miles away), gets 62 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00509790; 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 Whites Crossing?
Normal highs sit between 65°F and 85°F in June, July and August.
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 USC00509790.
When is the last frost at Whites Crossing?
In Whites Crossing, the last spring frost (32°F) comes after May 29 in half of years and after June 9 in one year in ten; the first autumn frost comes before September 7 in half of years and before August 24 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 291 year in 10 after June 9; 9 in 10 after May 13
- First autumn frost, half of years before
- September 71 year in 10 before August 24; 9 in 10 before September 21
NOAA puts the median frost-free season at 100 days, and the season without a hard freeze (28°F) at 127 days.
A hard freeze (28°F) comes after May 14 in half of springs and before September 19 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Whites Crossing in zone 4a in ZIP code 99694, 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 USC00509790; 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 Whites Crossing?
In a normal year in Whites Crossing, a 90°F day is rare and 228 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
- 228a normal year
- Days that stay below freezing
- 121high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00509790.
How sunny is it at Whites Crossing?
Over a year 64% of the sunlight that would reach the ground under clear skies gets through the clouds at Whites Crossing, 2.5 kWh per square metre a day. April is the sunniest month (70%) and October the cloudiest (55%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 57% | 0.3 |
| February | 59% | 0.9 |
| March | 68% | 2.4 |
| April | 70% | 4.0 |
| May | 66% | 5.0 |
| June | 65% | 5.3 |
| July | 63% | 4.8 |
| August | 63% | 3.8 |
| September | 61% | 2.4 |
| October | 55% | 1.1 |
| November | 55% | 0.4 |
| December | 56% | 0.1 |
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 Whites Crossing record?
A normal year at Whites Crossing brings 11,513 heating degree days, 2.1 times the median U.S. place (5,373), and 17 cooling degree days, 98% 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 794 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,795 | 0 |
| February | 1,425 | 0 |
| March | 1,379 | 0 |
| April | 882 | 0 |
| May | 533 | 0 |
| June | 259 | 4 |
| July | 158 | 10 |
| August | 265 | 3 |
| September | 548 | 0 |
| October | 1,023 | 0 |
| November | 1,512 | 0 |
| December | 1,733 | 0 |
| Year (annual) | 11,513 | 17 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00509790. 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 Whites Crossing's climate compare?
Whites Crossing is warmer than 38 of the 85 places with their own NOAA record in Alaska. Across the 7,247 U.S. stations with normals, its annual mean of 33.4°F is warmer than 1%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Which places near Whites Crossing share this climate record?
3 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Big Lake, AK3,291 people · 13 mi S
- Houston, AK2,226 people · 9 mi SE
- Susitna, AK30 people · 23 mi SW
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Whites Crossing's climate
What is the coldest month at Whites Crossing?
January, with a normal high of 16°F and a normal low of −2°F. The warmest is July (71°F by day, 49°F at night).
Does it snow at Whites Crossing?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, North Lakes (22 miles away), records 62 inches of snow in a normal year.
What plant hardiness zone is Whites Crossing in?
The USDA's 2023 map puts Whites Crossing in zone 4a in ZIP code 99694, the nearest ZIP area.
How late can frost come at Whites Crossing?
In half of years the last 32°F night comes after May 29; in one year in ten it comes after June 9. Waiting until June 9 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Alaska climateThe statewide normals and every place in the state
- Willow, AK3 miles from this station, 33.4°F a year
- North Lakes, AK22 miles from this station, 37.0°F a year
- Little Su At Hatcher Pass Bridge, AK25 miles from this station, 35.6°F a year
- Matanuska Experiment Farm, AK26 miles from this station, 36.7°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made