Climate and monthly weather forecast
Haines, AK

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Part of the famed Cannery fishing village along the Pacific Ocean in Haines, Alaska, with a forest background and snow-peaked mountain glaciers
Part of the famed Cannery fishing village along the Pacific Ocean in Haines, Alaska, with a forest background and snow-peaked mountain glaciers

The climate of Haines

Haines, Alaska in the United States has a Subarctic, subalpine climate. This is indicated by its Köppen climate classification which is Dsc, showing a combination of freezing winters and mild summers. Nestled along the northern part of the Alaska panhandle, surrounded by mountains and near the ocean, Haines presents distinct seasonal variations.

Throughout the year, temperatures fluctuate significantly, with monthly average lows dropping to 12.4°F (-10.9°C) in February and peaking at 56.5°F (13.6°C) in July. Average high temperatures from 21.6°F (-5.8°C) in January to 56.5°F (13.6°C) in July all point to a chilly general climate. Relative humidity levels remain fairly steady from year round, hovering primarily between 78% and 92%. Annual rainfall totals vary, with a highest precipitation of 5.87" (149mm) in November and the least at 2.2" (56mm), in June. The number of rainy days span from a minimum of 9.3 in February to maximum 20.2 in October.

Environmental factors such as visibility, UV index and wind strength are reasonably consistent across the year. Notable observations include the highest recorded wind gusts of 11.2mph (18km/h) in December and increased cloud coverage during winter months. Snowfall is frequent, with a peak in December at 21.06" (535mm).

The best time to visit Haines

Given Haines’ overall climate tendencies, the most enjoyable period to visit would arguably be July. Temperatures are at their warmest, with average highs reaching 56.5°F (13.6°C) and lows at 43.7°F (6.5°C). Relative humidity drops to its yearly low at 80% during this period. Moreover, July sees the most sunshine hours with around 18.5 hours of daylight and 10.2 hours of actual sunshine, as well as the highest UV index, at 4, implying favorable weather for outdoor activities.

The worst time to visit Haines

Conversely, travel to Haines can be challenging during the winter months, particularly December. This period delivers low temperatures from 21.9°F (-5.6°C) to 14.4°F (-9.8°C) and high snowfall at 21.06" (535mm), making for potentially hazardous conditions. Furthermore, December presents the lowest daylight hours, 6.3 on average, and a high relative humidity of 90%, which could all be restrictive for sightseeing and outdoor activities.

Spring weather in Haines

Spring in Haines, from March to May, is marked by slowly warming temperatures ranging from highs of 27.9°F (-2.3°C) to 46.2°F (7.9°C) and lows between 14°F (-10°C) and 33.8°F (1°C). Rainfall declines gradually over the season, averaging 2.95" (75mm) in April. Despite this, snowfall remains a factor in the earlier part of spring, with averages falling from 14.21" (361mm) in March to just 0.08" (2mm) by May. Days lengthen significantly, providing between 11.9 and 17 hours of daylight by the season's end.

Summer weather in Haines

During the summer months from June to August, temperatures in Haines rise significantly, peaking at average highs of 56.5°F (13.6°C) and lows of 44.1°F (6.7°C). Rainfall increases slightly from 2.2" (56mm) in June to 4.13" (105mm) by August. However, there is zero snowfall during this period. Daylight hours are longest in this season, reaching up to 18.5 hours in June.

Autumn weather in Haines

Autumn sees a change in Haines. Temperatures drop from highs of 55°F (12.8°C) to 38.1°F (3.4°C), and lows between 44.1°F (6.7°C) and 31.8°F (-0.1°C) from September to November. Rainfall reaches its highest levels at 5.87" (149mm) in November, and snow begins to accumulate, rising to 8.23" (209mm) by month-end. Daylight hours decrease rapidly, from 12.8 in September to just 7.7 in November.

Winter weather in Haines

In winter, temperatures in Haines descend to their coldest levels, reaching average lows of 14.4°F (-9.8°C) in December and January and highs between 21.6°F (-5.8°C) and 27°F (-2.8°C). Rainfall lessens, registering 5.47" (139mm) in December, but snowfall is considerable, peaking at 21.06" (535mm) in December. Daylight hours are shortest in winter, with merely 6.3 hours in December.

Weather in January

As the New Year begins, Haines, Alaska steps into the coldest period of the year with lower daily highs recording a frigid 21.6°F (-5.8°C) and minimum temperatures plunging to an average of 13.5°F (-10.3°C). The city experiences its highest snowfall rate this month, making it a winter wonderland for those who appreciate a frosted landscape. Weather in January »

Weather in February

Compared to January's icy temperatures, February sees a slight rise in the mercury, albeit the climate still remains firmly in winter's grip. February's skies, filled mostly with clouds, tend to shed less snow than January, signaling the beginning of the gradual transition into spring. Weather in February »

Weather in March

While temperatures continue their steady climb, the characteristic chill of Alaskan winter dissipates somewhat in March. This month boasts more daylight hours, a telling sign that spring is on its way. Albeit warmer, Haines still sees 14.21" (361mm) of snowfall, making it a captivating sight for winter enthusiasts. Weather in March »

Weather in April

The advent of April brings noticeable changes to Haines, signaling the arrival of spring after long, chilly winter months. While snowfall drops significantly to 6.46" (164mm), rainfall begins to make a comeback, morphing the snow-covered cityscape into a fragrant, spring-filled spectacle. Weather in April »

Weather in May

May sees the transformation of Haines into a warm, spring paradise. Minimal snowfall and rising temperatures set a promising stage for summer's arrival. Residents exchange their winter gear for spring clothing as they get ready to enjoy longer daylight hours and more abundant sunshine. Weather in May »

Weather in June

June, the gateway to summer, sees Haines basking in the longest daylight hours of the year. Consistent rainfall now replaces snow, characterizing the transitory nature of early summer. Anticipate the warmth of the sun, for it's in June that the average high temperature reaches a comfortable 51.4°F (10.8°C). Weather in June »

Weather in July

The splendor of full summer unveils itself in July, the warmest month in Haines with average highs soaring to 56.5°F (13.6°C). The town, now completely devoid of snow, embraces the pleasant warmth and frequents rainfall, creating a splendid summer spectacle. Weather in July »

Weather in August

August ushers in the closing stage of summer, with temperature highs slightly dipping from July's peak. Alaska's spectacular landscapes offer plenty of sunlight to enjoy, with abundant rainfall keeping everything lush and green. Weather in August »

Weather in September

As August's warmth begins to ebb, September marks the beginning of autumn's entrance. Weather patterns turn unpredictable with cooler temperatures and a blend of sun and showers. The first hint of Alaska's stunning fall foliage starts to peek through adding a brilliant spectrum of colors to the landscape. Weather in September »

Weather in October

October's arrival in Haines reveals a clear shift towards cooler autumn weather. Leaves changing to vibrant hues of orange, red, and gold become the highlight of the town's scenery. The city starts to prepare for the incoming winter season as nights grow longer and days shorter. Weather in October »

Weather in November

The transition to the grips of winter becomes more evident in Haines as November progresses. The early onset of nighttime commences, while the landscapes gradually turn from vibrant fall colors to frosty whites. With Haines receiving 8.23" (209mm) of snow, winter activities start to make a comeback. Weather in November »

Weather in December

December marks the return of full-fledged winter, with the shortest daylight hours and a significant drop in temperatures. Haines becomes a white paradise with an impressive 21.06" (535mm) of snowfall, providing a plethora of opportunities for winter sports enthusiasts. Weather in December »

Frequently asked questions

What is the coldest time of year?

In Haines, the lowest temperatures are generally noted in January, averaging a high of 21.6°F (-5.8°C) and a low of 13.5°F (-10.3°C).

What is the most humid month?

January is the most humid month, with an average relative humidity of 92%.

How many days does it rain?

In Haines, during the entire year, the rain falls for 200.4 days and collects up to 48.03" (1220mm) of precipitation.

When does it snow?

Months with snowfall are January through May, October through December.

How much does it snow?

Throughout the year, there are 83.4 snowfall days, and 86.57" (2199mm) of snow is accumulated.

What are the months with the least sunshine?

The months with the least sunshine are January and December, with an average of 3.7h of sunshine.

What are the months with the lowest UV index?

February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What month is the ocean coldest?

March is the month with the coldest seawater, with an average ocean temperature of 39.7°F (4.3°C).

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from AKST to AKDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from AKDT to AKST.

What is the least humid month?

May is the least humid month, with an average relative humidity of 78%.

What is the driest month in Haines?

June is the month with the least rainfall. Rain falls for 20 days and accumulates 2.2" (56mm) of precipitation.

When it does not snow?

In Haines, snow does not fall in June through September.

When are the longest days?

June has the longest days of the year, with an average of 18h and 30min of daylight.

What month has the most sunshine?

With an average of 10.2h of sunshine, June has the most sunshine of the year.

What part of the year is the hottest?

July is the warmest month, with an average high-temperature of 56.5°F (13.6°C) and an average low-temperature of 43.7°F (6.5°C).

When is the highest UV index?

With an average maximum UV index of 4, July is the month with the highest UV index.

When is the ocean warmest?

August is the month with the warmest seawater, with an average ocean temperature of 53.2°F (11.8°C).

What is the rainiest month in Haines?

The month with the most rainfall is November, when the rain falls for 16.6 days and typically aggregates up to 5.87" (149mm) of precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 17.1 days and accumulates 21.06" (535mm) of snow.

What is the month with the shortest days?

With an average of 6h and 18min of daylight, December has the shortest days of the year.

Average temperature
Haines, AK

Average temperature - Haines, AK

The warmest month (with the highest average high temperature) is July (56.5°F).
The month with the lowest average high temperature is January (21.6°F).

The month with the highest average low temperature is August (44.1°F).
The coldest month (with the lowest average low temperature) is February (12.4°F).

Average pressure
Haines, AK

Average pressure - Haines, AK

The month with the highest atmospheric pressure is July (30.01"Hg).
The month with the lowest atmospheric pressure is November (29.81"Hg).

Average wind speed
Haines, AK

Average wind speed - Haines, AK

The windiest month (with the highest average wind speed) is January (6.7mph).
The calmest month (with the lowest average wind speed) is May (4.7mph).

Average rainfall
Haines, AK

Average rainfall - Haines, AK

The wettest month (with the highest rainfall) is November (5.87").
The driest month (with the least rainfall) is June (2.2").

Average rainfall days
Haines, AK

Average rainfall days - Haines, AK

The month with the highest number of rainy days is October (20.2 days).
The month with the least rainy days is February (9.3 days).

Average snowfall
Haines, AK

Average snowfall - Haines, AK

The month with the highest snowfall is December (21.06").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Haines, AK

Average snowfall days - Haines, AK

The month with the highest number of snowfall days is December (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature
Haines, AK

Average sea temperature - Haines, AK

The best month for swimming (with the highest average sea temperature) is August (53.1°F).
The coldest month (with the lowest average sea temperature) is March (39.6°F).

Average daylight / Average sunshine
Haines, AK

Average daylight / Average sunshine - Haines, AK

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).

Average sunshine days
Haines, AK

Average sunshine days - Haines, AK

The month with the most sunshine days is February (10.4 days).
The month with the least sunshine days is June (6.3 days).

Average visibility
Haines, AK

Average visibility - Haines, AK

The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

Haines, Alaska, USA

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