Skwentna, Alaska climate: Normal weather by month, frost dates and records

Skwentna's normal year runs from 1°F January nights to 70°F July afternoons. (NOAA 1991-2020 normals)

In metric: a yearly mean of 1.4°C, January lows of −17°C, July highs of 21°C.

  • NOAA stationSkwentna
  • Station IDUSW00026514
  • Location61.98°N 151.22°W
  • Elevation150 ft (46 m)
  • Population (census place)73

On October 23, the normal high in Skwentna is 37°F and the normal low 23°F.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Skwentna.

  1. Jan 17° 1°
  2. Feb 25° 7°
  3. Mar 34° 11°
  4. Apr 46° 25°
  5. May 60° 36°
  6. Jun 69° 45°
  7. Jul 70° 50°
  8. Aug 66° 46°
  9. Sep 56° 38°
  10. Oct 41° 26°
  11. Nov 24° 11°
  12. Dec 19° 5°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

What is the weather like in Skwentna each month?

July is the warmest month, with normal highs of 70°F; January the coldest, with normal lows of 1°F.

Skwentna monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanWet days90°F daysFreezing nightsDaylight
January 17°F1°F9.0°F –<1316 h 10 min
February 25°F7°F16.1°F –<1288 h 50 min
March 34°F11°F22.6°F –<13111 h 40 min
April 46°F25°F35.8°F –<12614 h 40 min
May 60°F36°F47.8°F –<11217 h 40 min
June 69°F45°F56.7°F –<1119 h 40 min
July 70°F50°F59.8°F –<1<118 h 50 min
August 66°F46°F56.1°F –<1116 h 10 min
September 56°F38°F46.7°F –<1913 h
October 41°F26°F33.7°F –<12410 h 10 min
November 24°F11°F17.9°F –<1307 h 10 min
December 19°F5°F11.9°F –<1315 h 20 min
Year (annual)44°F25°F34.5°F–<1222
The same normals in °C and millimetres
Skwentna monthly normals, 1991-2020 (°C, mm)
MonthHighLowMean
January−8°C−17°C−12.8°C
February−4°C−14°C−8.8°C
March1°C−12°C−5.2°C
April8°C−4°C2.1°C
May15°C2°C8.8°C
June20°C7°C13.7°C
July21°C10°C15.4°C
August19°C8°C13.4°C
September13°C3°C8.2°C
October5°C−3°C0.9°C
November−4°C−11°C−7.8°C
December−7°C−15°C−11.2°C
Normal daily high and low by month, Skwentna

NOAA publishes no 1991-2020 snowfall normal for this station, and no record within 25 miles keeps one, so snow is left out here rather than estimated.

Source: NOAA NCEI 1991-2020 monthly normals, station USW00026514; 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.

When is the best weather to visit Skwentna?

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 USW00026514.

When is the last frost in Skwentna?

In Skwentna, the last spring frost (32°F) comes after May 23 in half of years and after June 4 in one year in ten; the first autumn frost comes before September 9 in half of years and before August 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 231 year in 10 after June 4; 9 in 10 after May 8
First autumn frost, half of years before
September 91 year in 10 before August 26; 9 in 10 before September 25

NOAA puts the median frost-free season at 109 days, and the season without a hard freeze (28°F) at 137 days.

A hard freeze (28°F) comes after May 8 in half of springs and before September 23 in half of autumns.

Frost dates for every NOAA station in Alaska · Frost dates by ZIP code

Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USW00026514. 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 in Skwentna?

In a normal year in Skwentna, a 90°F day is rare and 222 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
222a normal year
Days that stay below freezing
113high of 32°F or less

Source: NOAA NCEI 1991-2020 annual normals, station USW00026514.

How sunny is Skwentna?

Over a year 66% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Skwentna, 2.5 kWh per square metre a day. March is the sunniest month (74%) and December the cloudiest (56%).

Skwentna: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January60%0.3
February62%0.9
March74%2.6
April74%4.1
May67%4.8
June67%5.4
July64%4.8
August64%3.7
September61%2.4
October58%1.1
November59%0.4
December56%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 much heating and cooling does Skwentna need?

A normal year in Skwentna brings 11,107 heating degree days, 2.1 times the median U.S. place (5,373), and 14 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 775 growing degree days a year above 50°F.

Skwentna: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January1,7340
February1,3690
March1,3160
April8760
May5330
June2556
July1697
August2771
September5490
October9700
November1,4130
December1,6460
Year (annual)11,10714

Source: NOAA NCEI 1991-2020 monthly normals, station USW00026514. 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 Skwentna's climate compare?

Skwentna is warmer than 40 of the other 84 places with their own NOAA record in Alaska. Across the 7,247 U.S. stations with normals, its annual mean of 34.5°F is warmer than 1%.

Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.

Questions about Skwentna's climate

What is the coldest month in Skwentna?

January, with a normal high of 17°F and a normal low of 1°F. The warmest is July (70°F by day, 50°F at night).

How late can frost come in Skwentna?

In half of years the last 32°F night comes after May 23; in one year in ten it comes after June 4. Waiting until June 4 leaves about a one-in-ten chance of a later frost.

Nearby and next

Download these normals (CSV) · JSON · How these figures are made