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Contents
- The climate of Dillingham
- The best time to visit Dillingham
- The worst time to visit Dillingham
- Spring weather in Dillingham
- Summer weather in Dillingham
- Autumn weather in Dillingham
- Winter weather in Dillingham
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Dillingham
Dillingham, Alaska exemplifies the Subarctic, severe winter, no dry season, cool summer climate, known scientifically as 'Dfc' in the Köppen climate classification. This coastal town lies within one of the chilliest regions in the United States. Weather phenomena across the year demonstrate a broad range of temperatures, from a high average of 62.4°F (16.9°C) in July to a low average of 9.7°F (-12.4°C) in January. In terms of relative humidity, levels remain quite consistent, ranking between 68% in May and 88% in January and February.
Rainfall in Dillingham exhibits a variation that is not significant. Precipitation levels rise from 1.42in in June to reach a peak of 2.83in in October. Additionally, Dillingham experiences a varying number of rainy days per month with a maximum average of 18.1 days in August and a minimum average of 5.3 days in February. Snowfall is a striking feature of this subarctic climate, largely occurring in the winter months. Peak snowfall is observed in February and December with 7.4in and 6.1in respectively.
Rainfall in Dillingham exhibits a variation that is not significant. Precipitation levels rise from 1.42in in June to reach a peak of 2.83in in October. Additionally, Dillingham experiences a varying number of rainy days per month with a maximum average of 18.1 days in August and a minimum average of 5.3 days in February. Snowfall is a striking feature of this subarctic climate, largely occurring in the winter months. Peak snowfall is observed in February and December with 7.4in and 6.1in respectively.
The best time to visit Dillingham
A visit to Dillingham is most pleasant in the months of June and July when the temperatures are at their highest, ascending to an average of 61.2°F (16.2°C) and 62.4°F (16.9°C) respectively. Relative humidity is also at its lowest point around this period, making the summer air quite comfortable. Despite a marginal increase in rainfall during these months, the amount of sunshine Dillingham experiences is significantly higher, with 8.7 hours in June and 7.2 hours in July. Visitors can expect to witness some of the longest daylight hours during these months, providing more time to explore this Alaskan gem.
The worst time to visit Dillingham
Traveling to Dillingham is most challenging in the winter months, particularly from December to February, when frigidity reigns supreme. Temperatures fall to their lowest averages, dropping to 21.6°F (-5.8°C) in December and plummeting even further to 17.4°F (-8.1°C) in January. Snowfall is quite substantial for most of these months, exceeding 6" (152mm) in both December and February. Visiting in winter means fewer daylight hours; darkness prevails as daylight lasts barely more than 6 to 7 hours.
Spring weather in Dillingham
Spring ushers in a gradual transition from the freezing cold to slightly warmer conditions. The temperatures hover between a high average of 25.2°F (-3.8°C) in March and 52.3°F (11.3°C) in May. In conjunction with the rising temperatures, the snowfall substantially decreases from 6.02in in March to a mere 0.31in in May. Daylight hours also increase considerably during this period, offering more time for outdoor activities.
Summer weather in Dillingham
Summer is comfortably mild in Dillingham, with temperatures reaching their highest, averaging from 52.3°F (11.3°C) in June to a peak of 62.4°F (16.9°C) in July before falling to 61.2°F (16.2°C) in August. The summer months are also the most humid time of the year in Dillingham, with relative humidity spiking to 78% in July from 69% in June. Despite the increase in rainfall in August, the summer months are marked by the longest periods of daylight, extending up to 18.4 hours in June.
Autumn weather in Dillingham
Autumn witnesses a considerable dip in temperatures, dropping from a high average of 54.1°F (12.3°C) in September to 27.7°F (-2.4°C) in November. As November encroaches, the city sees an increase in snowfall with 4.7in recorded as the season transitions into winter. Rainfall also sees a significant increase during this period, with October typically noting the highest average rainfall of the year at 2.83in. Despite the encroaching chill, autumn days in Dillingham still offer around 10 to 13 hours of daylight.
Winter weather in Dillingham
Winter in Dillingham is characterized by harsh, freezing conditions. The temperatures persistently fall below the freezing point throughout the season, with the lowest average temperature hitting 9.7°F (-12.4°C) in January. Snowfall is rampant during these months, surpassing 6" (152mm) in December and February. Daylight hours are significantly reduced, leaving Dillingham with short, dark days. Despite these challenging conditions, the winter landscapes offer a unique, pristine beauty that only the bravest explorers tend to witness.
Weather in January
January in Dillingham, Alaska, brings a blend of chilly temperatures and substantial snowfall. This month observes the least amount of warm daylight hours at 7.1 hours and highest snowfall at 6.22" (158mm). As the New Year rings in, one perceives a significant drop in temperature compared to December. Weather in January »
Weather in February
February in Dillingham signifies a slight improvement in weather conditions when contrasted with January. Temperatures climb a trifle higher and daylight lengthens to a reasonable 9.3 hours. The snowfall persists at a substantial rate of 7.4" (188mm), adding a fresh coat to last month's accumulations. Weather in February »
Weather in March
March marks the transition between winter and spring in Dillingham. There is a moderate increase in temperature and a notable elevation in daylight time to 11.9 hours. Blessed with 5.5 days of average rainfall, March witnesses the onset of the melting phase of snow, thereby reducing snow-cover. Weather in March »
Weather in April
In April, Dillingham fully embraces the freshness of spring. May it be the rising daylight of 14.6 hours or the diminishing snowfall, the city witnesses a palpable shift in weather pattern. Spotting wildlife becomes more common in April as animals awaken from their winter slumbers. Weather in April »
Weather in May
May discerns a significant leap in temperature, a clear indication of warming weather in Dillingham. A high temperature of 52.3°F (11.3°C) and extended daylight hours of 17 uncloud the Alaskan sky and spotlight the spectacular landscapes of Dillingham. Weather in May »
Weather in June
June, in many areas in the world, marks the onset of summer and this applies to Dillingham as well. With long daylight of 18.4 hours, these conditions are perfect for outdoor activities and exploring the rugged terrains of Alaska. Weather in June »
Weather in July
July is the peak summer month in Dillingham, with a top temperature of 62.4°F (16.9°C). This month, Dillingham residents experience the longest daylight time of the year for about 17.6 hours. Sunlight glaring off the foilage and hitting the lakes provides a mesmerizing view. Weather in July »
Weather in August
August signals the approaching conclusion of summer in Dillingham with temperatures starting to decline from July’s peak. Daylight reduces to 15.4 hours signifying the beginning of the transition into fall. The city still relishes in temperatures as high as 61.2°F (16.2°C) as the warmth lingers for some time. Weather in August »
Weather in September
September ushers in the autumn season in Dillingham. Weather changes become evident with the shortening daylight hours, now at 12.8 hours, and the drop in temperature highs to 54.1°F (12.3°C). Dillingham's fauna starts to morph into shades of yellow and orange, extending a wonderful spectacle to residents and visitors alike. Weather in September »
Weather in October
The town of Dillingham fully immerses into the fall spirit in October. Temperature highs dip to 42.3°F (5.7°C), reminding residents of the imminent arrival of winter. Despite the reduced daylight hours of 10.2, the unobstructed views of autumnal landscapes under sunny skies remain appealing. Weather in October »
Weather in November
November in Dillingham sets the stage for the forthcoming winter, featuring cooler temperature averages. Evidence of the approaching season becomes more prominent when small flurries begin to appear, especially with measurable snowfall of 4.72" (120mm). Weather in November »
Weather in December
December marks the onset of full-fledged winter in Dillingham. As the city forms a snowy wonderland featuring 6.1" (155mm) of snow, daylight shrinks to the shortest 6.3 hours. The temperatures further drop to their year-end low, creating a chilling atmosphere that provides a fitting end to the year. Weather in December »
Updated: Aug 18, 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
What is the coldest time of year?
January stands out as Dillingham's coldest month, with temperatures ranging between an average high of 17.4°F (-8.1°C) and a low of 9.7°F (-12.4°C).
What are the most humid months?
January and February, with an average relative humidity of 88%, are most humid months.
How many days does it rain?
Throughout the year, there are 142.3 rainfall days, and 25.12" (638mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
In Dillingham, during the entire year, snow falls for 67.5 days and aggregates up to 34.53" (877mm) of snow.
When is the lowest UV index?
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 11.7 days and accumulates 7.4" (188mm) of snow.
What is the month with the coldest ocean?
February is the month with the coldest seawater, with an average ocean temperature of 31.5°F (-0.3°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?
The least humid month is May, with an average relative humidity of 68%.
What is the driest month?
June is the month with the least rainfall in Dillingham. Rain falls for 14.3 days and accumulates 1.42" (36mm) of precipitation.
When it does not snow?
In Dillingham, 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 24min of daylight.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 8.7h of sunshine.
What is the month with the highest UV index?
June and July, with an average maximum UV index of 4, are months with the highest UV index.
What is the hottest time of year?
Dillingham experiences its highest temperatures in July, with an average peak of 62.4°F (16.9°C) and a low of 49.1°F (9.5°C).
What is the month with the warmest ocean in Dillingham?
The month with the warmest seawater is August, with an average ocean temperature of 54.3°F (12.4°C).
What is the wettest month?
The month with the most rainfall is October, when the rain falls for 14.7 days and typically aggregates up to 2.83" (72mm) of precipitation.
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.
What is the month with the least sunshine?
With an average of 2.9h of sunshine, December has the least sunshine of the year.
Average temperature
Dillingham, AK
The warmest month (with the highest average high temperature) is July (62.4°F).
The month with the lowest average high temperature is January (17.4°F).
The month with the highest average low temperature is July (49.1°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure
Dillingham, AK
- Average pressure in January:
29.65"Hg - Average pressure in February:
29.77"Hg - Average pressure in March:
29.79"Hg - Average pressure in April:
29.77"Hg - Average pressure in May:
29.88"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.86"Hg - Average pressure in September:
29.72"Hg - Average pressure in October:
29.64"Hg - Average pressure in November:
29.67"Hg - Average pressure in December:
29.61"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is December (29.61"Hg).
Average wind speed
Dillingham, AK
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.7mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.5mph - Average wind speed in May:
9.4mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
8mph - Average wind speed in August:
8.6mph - Average wind speed in September:
9.3mph - Average wind speed in October:
10.6mph - Average wind speed in November:
10.2mph - Average wind speed in December:
10.7mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is June (7.9mph).
Average humidity
Dillingham, AK
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (68%).
Average rainfall
Dillingham, AK
- Average rainfall in January:
1.77" - Average rainfall in February:
2.32" - Average rainfall in March:
1.54" - Average rainfall in April:
1.46" - Average rainfall in May:
1.77" - Average rainfall in June:
1.42"
The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is June (1.42").
Average rainfall days
Dillingham, AK
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
5.5 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
18.1 days - Average rainfall days in September:
15.2 days - Average rainfall days in October:
14.7 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
7.8 days
The month with the highest number of rainy days is August (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall
Dillingham, AK
- Average snowfall in January:
6.22" - Average snowfall in February:
7.4" - Average snowfall in March:
6.02" - Average snowfall in April:
3.11" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is February (7.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Dillingham, AK
- Average snowfall days in January:
11.4 days - Average snowfall days in February:
11.7 days - Average snowfall days in March:
11.8 days - Average snowfall days in April:
8.4 days - Average snowfall days in May:
1.6 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:
0.2 days - Average snowfall days in October:
2 days - Average snowfall days in November:
8.9 days - Average snowfall days in December:
11.5 days
The month with the highest number of snowfall days is March (11.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average sea temperature
Dillingham, AK
The best month for swimming (with the highest average sea temperature) is August (54.3°F).
The coldest month (with the lowest average sea temperature) is February (31.6°F).
Average daylight / Average sunshine
Dillingham, AK
- Average daylight in January:
7h and 1min - Average daylight in February:
9h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 4min - Average daylight in May:
17h and 0min - Average daylight in June:
18h and 2min
- Average daylight in July:
17h and 4min - Average daylight in August:
15h and 2min - Average daylight in September:
12h and 5min - Average daylight in October:
10h and 1min - Average daylight in November:
7h and 4min - Average daylight in December:
6h and 2min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 2min - Average sunshine in April:
5h and 5min - Average sunshine in May:
7h and 4min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
7h and 1min - Average sunshine in August:
6h and 2min - Average sunshine in September:
5h and 2min - Average sunshine in October:
4h and 4min - Average sunshine in November:
3h and 1min - Average sunshine in December:
2h and 5min
The month with the most sunshine is June (Average sunshine: 8h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days
Dillingham, AK
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
11.9 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
12 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
11.2 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
14.3 days - Average sunshine days in December:
14.1 days
The month with the most sunshine days is March (16.2 days).
The month with the least sunshine days is August (11.2 days).
Average UV index
Dillingham, AK
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Dillingham, AK
The month with the most cloud cover is August (Cloud cover 62).
The months with the least cloud cover are June and November (Cloud cover 54).
Average visibility
Dillingham, AK
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Dillingham, Alaska, USA
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