Climate and monthly weather forecastHaines, AK
Climate and monthly weather forecast
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 »Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
January is the most humid month, with an average relative humidity of 92%.
In Haines, during the entire year, the rain falls for 200.4 days and collects up to 48.03" (1220mm) of precipitation.
Months with snowfall are January through May, October through December.
Throughout the year, there are 83.4 snowfall days, and 86.57" (2199mm) of snow is accumulated.
The months with the least sunshine are January and December, with an average of 3.7h of sunshine.
February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
March is the month with the coldest seawater, with an average ocean temperature of 39.7°F (4.3°C).
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.
May is the least humid month, with an average relative humidity of 78%.
June is the month with the least rainfall. Rain falls for 20 days and accumulates 2.2" (56mm) of precipitation.
In Haines, snow does not fall in June through September.
June has the longest days of the year, with an average of 18h and 30min of daylight.
With an average of 10.2h of sunshine, June has the most sunshine of the year.
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).
With an average maximum UV index of 4, July is the month with the highest UV index.
August is the month with the warmest seawater, with an average ocean temperature of 53.2°F (11.8°C).
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.
December is the month with the most snowfall. Snow falls for 17.1 days and accumulates 21.06" (535mm) of snow.
With an average of 6h and 18min of daylight, December has the shortest days of the year.
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 in January:
29.87"Hg - Average pressure in February:
29.96"Hg - Average pressure in March:
29.89"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.87"Hg - Average pressure in October:
29.85"Hg - Average pressure in November:
29.81"Hg - Average pressure in December:
29.87"Hg
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 in January:
6.7mph - Average wind speed in February:
6mph - Average wind speed in March:
6mph - Average wind speed in April:
4.8mph - Average wind speed in May:
4.7mph - Average wind speed in June:
4.8mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.6mph - Average wind speed in October:
5.7mph - Average wind speed in November:
6.2mph - Average wind speed in December:
6.3mph
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 humidity
Haines, AK
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (78%).
Average rainfall
Haines, AK
- Average rainfall in January:
5.51" - Average rainfall in February:
3.66" - Average rainfall in March:
3.23" - Average rainfall in April:
2.95" - Average rainfall in May:
2.28" - Average rainfall in June:
2.2"
- Average rainfall in July:
2.72" - Average rainfall in August:
4.13" - Average rainfall in September:
4.65" - Average rainfall in October:
5.35" - Average rainfall in November:
5.87" - Average rainfall in December:
5.47"
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 in January:
15.5 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
18.2 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
20 days
- Average rainfall days in July:
19.3 days - Average rainfall days in August:
19.6 days - Average rainfall days in September:
19.5 days - Average rainfall days in October:
20.2 days - Average rainfall days in November:
16.6 days - Average rainfall days in December:
12.6 days
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 in January:
18.82" - Average snowfall in February:
15.91" - Average snowfall in March:
14.21" - Average snowfall in April:
6.46" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
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 in January:
14.9 days - Average snowfall days in February:
13.8 days - Average snowfall days in March:
15.8 days - Average snowfall days in April:
8 days - Average snowfall days in May:
0.5 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.6 days - Average snowfall days in November:
11.7 days - Average snowfall days in December:
17.1 days
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
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 in January:
7h and 6min - Average daylight in February:
9h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 36min - Average daylight in May:
17h and 0min - Average daylight in June:
18h and 30min
- Average daylight in July:
17h and 42min - Average daylight in August:
15h and 24min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 12min - Average daylight in November:
7h and 42min - Average daylight in December:
6h and 18min
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).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
4h and 18min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
8h and 36min - Average sunshine in August:
7h and 0min - Average sunshine in September:
6h and 24min - Average sunshine in October:
4h and 18min - Average sunshine in November:
3h and 54min - Average sunshine in December:
3h and 42min
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 in January:
7.8 days - Average sunshine days in February:
10.4 days - Average sunshine days in March:
9.8 days - Average sunshine days in April:
6.7 days - Average sunshine days in May:
10 days - Average sunshine days in June:
6.3 days
- Average sunshine days in July:
8.1 days - Average sunshine days in August:
8.8 days - Average sunshine days in September:
8.2 days - Average sunshine days in October:
9.2 days - Average sunshine days in November:
8.1 days - Average sunshine days in December:
8.9 days
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 UV index
Haines, AK
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover
Haines, AK
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 47).
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).
