Nabesna, Alaska climate: Normal weather by month, frost dates and records
Nabesna's normal year runs from −11°F January nights to 66°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of −2.9°C, January lows of −24°C, July highs of 19°C.
- NOAA stationNabesna
- Station IDUSC00506147
- Location62.40°N 143.00°W
- Elevation2,920 ft (890 m)
- Population (census place)0
On October 23, the normal high in Nabesna is 26°F and the normal low 13°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Nabesna.
- Jan 3° -11°
- Feb 14° -2°
- Mar 23° 3°
- Apr 42° 20°
- May 54° 34°
- Jun 65° 41°
- Jul 66° 45°
- Aug 61° 42°
- Sep 51° 31°
- Oct 32° 17°
- Nov 12° 1°
- Dec 6° -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 Nabesna each month?
July is the warmest month, with normal highs of 66°F; January the coldest, with normal lows of −11°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 3°F | −11°F | -4.0°F | – | <1 | 31 | 6 h |
| February | 14°F | −2°F | 5.7°F | – | <1 | 28 | 8 h 50 min |
| March | 23°F | 3°F | 13.1°F | – | <1 | 31 | 11 h 40 min |
| April | 42°F | 20°F | 30.7°F | – | <1 | 29 | 14 h 40 min |
| May | 54°F | 34°F | 44.2°F | – | <1 | 18 | 17 h 40 min |
| June | 65°F | 41°F | 52.6°F | – | <1 | 2 | 19 h 50 min |
| July | 66°F | 45°F | 55.2°F | – | <1 | <1 | 19 h |
| August | 61°F | 42°F | 51.4°F | – | <1 | 2 | 16 h 10 min |
| September | 51°F | 31°F | 41.0°F | – | <1 | 18 | 13 h 10 min |
| October | 32°F | 17°F | 24.3°F | – | <1 | 31 | 10 h 10 min |
| November | 12°F | 1°F | 6.5°F | – | <1 | 30 | 7 h 10 min |
| December | 6°F | −5°F | 0.3°F | – | <1 | 31 | 5 h 10 min |
| Year (annual) | 36°F | 18°F | 26.7°F | – | <1 | 250 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | −16°C | −24°C | −20.0°C |
| February | −10°C | −19°C | −14.6°C |
| March | −5°C | −16°C | −10.5°C |
| April | 5°C | −7°C | −0.7°C |
| May | 12°C | 1°C | 6.8°C |
| June | 18°C | 5°C | 11.4°C |
| July | 19°C | 7°C | 12.9°C |
| August | 16°C | 5°C | 10.8°C |
| September | 10°C | 0°C | 5.0°C |
| October | 0°C | −8°C | −4.3°C |
| November | −11°C | −17°C | −14.2°C |
| December | −15°C | −21°C | −17.6°C |
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 USC00506147; 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 Nabesna?
Normal highs sit between 65°F and 85°F in July.
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 USC00506147.
When is the last frost in Nabesna?
In Nabesna, the last spring frost (32°F) comes after June 4 in half of years and after July 3 in one year in ten; the first autumn frost comes before September 1 in half of years and before August 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
- June 41 year in 10 after July 3; 9 in 10 after May 18
- First autumn frost, half of years before
- September 11 year in 10 before August 19; 9 in 10 before September 12
NOAA puts the median frost-free season at 85 days, and the season without a hard freeze (28°F) at 117 days.
A hard freeze (28°F) comes after May 16 in half of springs and before September 11 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 USC00506147. 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 Nabesna?
In a normal year in Nabesna, a 90°F day is rare and 250 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
- 250a normal year
- Days that stay below freezing
- 165high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00506147.
How sunny is Nabesna?
Over a year 67% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Nabesna, 2.6 kWh per square metre a day. March is the sunniest month (76%) and November the cloudiest (57%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 60% | 0.2 |
| February | 65% | 0.9 |
| March | 76% | 2.6 |
| April | 74% | 4.3 |
| May | 69% | 5.2 |
| June | 64% | 5.3 |
| July | 64% | 4.9 |
| August | 66% | 3.9 |
| September | 64% | 2.5 |
| October | 58% | 1.1 |
| November | 57% | 0.3 |
| December | 62% | 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 Nabesna need?
A normal year in Nabesna brings 13,928 heating degree days, 2.6 times the median U.S. place (5,373), and 3 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 388 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 2,139 | 0 |
| February | 1,661 | 0 |
| March | 1,610 | 0 |
| April | 1,029 | 0 |
| May | 646 | 0 |
| June | 373 | 2 |
| July | 304 | 0 |
| August | 422 | 0 |
| September | 722 | 0 |
| October | 1,262 | 0 |
| November | 1,755 | 0 |
| December | 2,006 | 0 |
| Year (annual) | 13,928 | 3 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00506147. 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 Nabesna's climate compare?
Nabesna is warmer than 18 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 26.7°F is warmer than 1%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Which places near Nabesna share this climate record?
2 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.
- Slana, AK88 people · 20 mi NW
- Chisana, AK0 people · 36 mi SE
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 Nabesna's climate
What is the coldest month in Nabesna?
January, with a normal high of 3°F and a normal low of −11°F. The warmest is July (66°F by day, 45°F at night).
How late can frost come in Nabesna?
In half of years the last 32°F night comes after June 4; in one year in ten it comes after July 3. Waiting until July 3 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Alaska climateThe statewide normals and every place in the state
- Northway, AK52 miles from this station, 24.7°F a year
- Tok (70 mi SE), AK62 miles from this station, 24.2°F a year
- Tok, AK65 miles from this station, 24.7°F a year
- Port Alcan, AK65 miles from this station, 24.1°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made