30-year climate normals

Haines Borough Climate and Weather Averages

Hottest month — July

65.4°

average daily high. The coldest month is January, averaging a low of 18.6°F.

Haines Borough gets 47.4" of precipitation a year, and 41% of it falls in Oct, Nov, Dec.

Temperature through the year

Each bar spans the average daily low to the average daily high for that month.

Month	Avg high	Avg low	Precip
January	30.1°	18.6°	4.86"
February	34.1°	22.0°	3.36"
March	38.6°	26.4°	3.04"
April	49.8°	34.4°	2.35"
May	59.5°	42.2°	1.88"
June	64.1°	49.0°	1.55"
July	65.4°	52.1°	1.74"
August	64.2°	50.9°	3.21"
September	57.4°	45.8°	5.91"
October	47.8°	37.5°	6.79"
November	36.3°	26.3°	5.65"
December	31.9°	21.8°	7.06"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 41% falling in the wettest three months (Oct, Nov, Dec).

January 4.86"

February 3.36"

March 3.04"

April 2.35"

May 1.88"

June 1.55"

July 1.74"

August 3.21"

September 5.91"

October 6.79"

November 5.65"

December 7.06"

Annual total 47.4"

What this climate costs you

Degree days measure how hard a building has to work to stay comfortable. They are the reason two identical houses have very different power bills, and they are the link between the weather here and what you pay every month.

Cooling degree days How much air conditioning the climate demands 11

Heating degree days How much heating the climate demands 8,406

Approximate annual cooling cost At 28.23¢/kWh, Alaska average $3

Approximate annual electric heating cost Lower where heating is gas rather than electric $831

These are rough planning figures from degree days and the state electricity price, not a bill estimate. House size, insulation and fuel type move them a lot. See the full cost of owning a home in Haines Borough, where electricity is one line of eight.

Common questions

What is the weather like in Haines Borough?

Haines Borough averages a high of 65.4°F in July and a low of 18.6°F in January. Annual precipitation is 47.4 inches, with essentially no snow.

When is the rainy season in Haines Borough?

The wettest stretch is Oct, Nov, Dec, which accounts for 41% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Haines Borough?

The average daily high in July, the hottest month, is 65.4°F. That drives 11 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Haines Borough?

Effectively no. Measurable snowfall is rare in Haines Borough.

Sources

Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station HAINES AP, AK US (USW00025323), 10.3 miles from the county centroid.
Heating and cooling degree days — NOAA, same station and period.
Electricity price — US Energy Information Administration, Electric Power Monthly Table 5.6.A, Alaska residential average.
Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.