Haines (40 mi NW), Alaska climate: Climate normals at a NOAA weather station
Haines (40 mi NW)'s normal year runs from 12°F January nights to 68°F July afternoons, with 48.3 inches of precipitation and 245 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 2.8°C, January lows of −11°C, July highs of 20°C, 1,227 mm of precipitation a year.
- NOAA stationHaines (40 mi NW)
- Station IDUSC00503504
- Location59.45°N 136.36°W
- Elevation820 ft (250 m)
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Haines (40 mi NW).
- Jan 23° 12°
- Feb 29° 14°
- Mar 35° 17°
- Apr 46° 27°
- May 58° 35°
- Jun 66° 43°
- Jul 68° 48°
- Aug 66° 46°
- Sep 56° 40°
- Oct 44° 31°
- Nov 30° 19°
- Dec 24° 15°
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 Haines (40 mi NW) each month?
July is the warmest month, with normal highs of 68°F; January the coldest, with normal lows of 12°F. The most precipitation falls in December (7.75 in), the least in June (1.30 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 23°F | 12°F | 17.4°F | 5.50 | 53.1 | 15 | <1 | 31 | 6 h 50 min |
| February | 29°F | 14°F | 21.5°F | 4.07 | 38.9 | 13 | <1 | 28 | 9 h 10 min |
| March | 35°F | 17°F | 26.0°F | 3.68 | 33.6 | 12 | <1 | 31 | 11 h 40 min |
| April | 46°F | 27°F | 36.3°F | 2.19 | 5.6 | 10 | <1 | 25 | 14 h 30 min |
| May | 58°F | 35°F | 46.3°F | 1.72 | 0.2 | 10 | <1 | 10 | 17 h |
| June | 66°F | 43°F | 54.4°F | 1.30 | 0.0 | 10 | <1 | <1 | 18 h 40 min |
| July | 68°F | 48°F | 58.1°F | 1.40 | 0.0 | 11 | <1 | <1 | 18 h |
| August | 66°F | 46°F | 56.2°F | 2.67 | 0.0 | 14 | <1 | <1 | 15 h 40 min |
| September | 56°F | 40°F | 47.9°F | 5.43 | 0.2 | 18 | <1 | 5 | 13 h |
| October | 44°F | 31°F | 37.3°F | 6.87 | 7.6 | 18 | <1 | 18 | 10 h 20 min |
| November | 30°F | 19°F | 24.6°F | 5.74 | 44.4 | 15 | <1 | 29 | 7 h 40 min |
| December | 24°F | 15°F | 19.5°F | 7.75 | 61.5 | 18 | <1 | 31 | 6 h 10 min |
| Year (annual) | 45°F | 29°F | 37.1°F | 48.32 | 245.1 | 163 | <1 | 207 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | −5°C | −11°C | −8.1°C | 140 mm | 135 cm |
| February | −2°C | −10°C | −5.8°C | 103 mm | 99 cm |
| March | 1°C | −8°C | −3.3°C | 93 mm | 85 cm |
| April | 8°C | −3°C | 2.4°C | 56 mm | 14 cm |
| May | 14°C | 2°C | 7.9°C | 44 mm | 1 cm |
| June | 19°C | 6°C | 12.4°C | 33 mm | 0 cm |
| July | 20°C | 9°C | 14.5°C | 36 mm | 0 cm |
| August | 19°C | 8°C | 13.4°C | 68 mm | 0 cm |
| September | 13°C | 4°C | 8.8°C | 138 mm | 1 cm |
| October | 6°C | 0°C | 2.9°C | 174 mm | 19 cm |
| November | −1°C | −7°C | −4.1°C | 146 mm | 113 cm |
| December | −4°C | −10°C | −6.9°C | 197 mm | 156 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00503504; 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 Haines (40 mi NW)?
Normal highs sit between 65°F and 85°F in June, July and August. Of those, June has the fewest days with rain (10).
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 USC00503504.
When is the last frost at Haines (40 mi NW)?
In Haines (40 mi NW), the last spring frost (32°F) comes after May 24 in half of years and after June 10 in one year in ten; the first autumn frost comes before September 20 in half of years and before September 1 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 241 year in 10 after June 10; 9 in 10 after May 10
- First autumn frost, half of years before
- September 201 year in 10 before September 1; 9 in 10 before October 5
NOAA puts the median frost-free season at 118 days, and the season without a hard freeze (28°F) at 152 days.
A hard freeze (28°F) comes after May 4 in half of springs and before October 4 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 USC00503504. 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 Haines (40 mi NW)?
In a normal year in Haines (40 mi NW), a 90°F day is rare, 207 nights fall to 32°F or colder and 163 days bring measurable precipitation.
- 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
- 207a normal year
- Days that stay below freezing
- 90high of 32°F or less
- Days with 0.01 inch of precipitation
- 163a normal year
- Days with 1 inch of snow or more
- 52a normal year
The highest temperature in this station's record (since 1989) is 92°F, on August 13, 2005; the lowest is −25°F, on December 2, 1990.
The wettest calendar year on that record is 1999, with 73.16 in; the snowiest season is 1999–00, with 368.4 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00503504; records: ACIS (NOAA Regional Climate Centers), station USC00503504. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Haines (40 mi NW)?
Over a year 67% of the sunlight that would reach the ground under clear skies gets through the clouds at Haines (40 mi NW), 2.8 kWh per square metre a day. May is the sunniest month (74%) and November the cloudiest (52%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 54% | 0.4 |
| February | 62% | 1.1 |
| March | 67% | 2.6 |
| April | 69% | 4.2 |
| May | 74% | 5.7 |
| June | 69% | 5.8 |
| July | 67% | 5.3 |
| August | 66% | 4.2 |
| September | 64% | 2.7 |
| October | 57% | 1.3 |
| November | 52% | 0.5 |
| December | 54% | 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 Haines (40 mi NW) record?
A normal year at Haines (40 mi NW) brings 10,154 heating degree days, 89% more than the median U.S. place (5,373), and 10 cooling degree days, 99% 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 648 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,477 | 0 |
| February | 1,217 | 0 |
| March | 1,211 | 0 |
| April | 861 | 0 |
| May | 580 | 0 |
| June | 319 | 2 |
| July | 219 | 5 |
| August | 277 | 3 |
| September | 515 | 0 |
| October | 857 | 0 |
| November | 1,212 | 0 |
| December | 1,411 | 0 |
| Year (annual) | 10,154 | 10 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00503504. 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 Haines (40 mi NW) been warmer than normal?
2025 averaged 37.3°F, 0.1°F above the 1991-2020 normal of 37.1°F. 2 of the 3 complete years since 2023 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2023 | 38.7°F | +1.6°F | 70.30 | 277.2 |
| 2024 | 36.7°F | −0.4°F | 46.67 | 138.5 |
| 2025 | 37.3°F | +0.1°F | 55.50 | 180.1 |
Source: observed years: ACIS, station USC00503504. A year counts only with all twelve months complete.
How does Haines (40 mi NW)'s climate compare?
Haines (40 mi NW) is warmer than 53 of the 85 places with their own NOAA record in Alaska, and wetter than 52. Across the 7,247 U.S. stations with normals, its annual mean of 37.1°F is warmer than 3%.
In the Köppen classification computed from these normals, Haines (40 mi NW) is Dsc: continental, dry-summer, 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.
Which places near Haines (40 mi NW) 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.
- Mosquito Lake, AK137 people · 6 mi E
- Covenant Life, AK19 people · 9 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 Haines (40 mi NW)'s climate
What is the coldest month at Haines (40 mi NW)?
January, with a normal high of 23°F and a normal low of 12°F. The warmest is July (68°F by day, 48°F at night).
Does it snow at Haines (40 mi NW)?
Yes: 245 inches in a normal year, falling on 68 days with 0.1 inch or more, the most in December (61.5 inches).
What is the rainiest month at Haines (40 mi NW)?
December, with 7.75 in of precipitation in a normal year; the driest is June with 1.30 in.
How late can frost come at Haines (40 mi NW)?
In half of years the last 32°F night comes after May 24; in one year in ten it comes after June 10. Waiting until June 10 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Alaska climateThe statewide normals and every place in the state
- Haines, AK34 miles from this station, 41.9°F a year
- Skagway, AK37 miles from this station, 42.7°F a year
- Glacier Bay, AK71 miles from this station, 40.9°F a year
- Gustavus, AK75 miles from this station, 40.6°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made