Climate and monthly weather forecast
Eagle River, AK

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The climate of Eagle River

Nestled in the northern reaches of Alaska, USA, Eagle River experiences a dominant Dfc Köppen climate classification, indicative of a subarctic climate with severe winters, no dry season, and cool summers. The geographical position of Eagle River gives rise to weather fluctuations fuelled by its inherent subarctic climate. Perched amidst stunning Alaskan vistas, the climate here is akin to experiencing a perpetual winter wonderland.

Annual temperature extremes fluctuate from 9.7°F (-12.4°C) in winter to a mild 63.1°F (17.3°C) in the height of summer, displaying the stark contrast between seasons. Dry winter air showcases an average relative humidity of 86% in January, dipping to 65% in May before its slow incline to 86% again in December. Precipitation varies across the year, with the least rainfall in May, followed by the showers intensifying from June, reaching a pinnacle by September.

A characteristic feature of Eagle River's weather is the snowfall, accumulating around 5.98" (152mm) in December and tapering to a nonexistent level by June. Days of sunshine reflect the seasonal changes, extending from 3.9 hours in December, climbing to a long 19.3 hours in June, displaying the lengthened days in the Alaskan summer. Wind speeds follow a relatively stable pattern throughout the year, oscillating between 4.1mph (6.6km/h) and 4.6mph (7.4km/h).

The best time to visit Eagle River

The magnificent landscapes of Eagle River along with its vibrant community life can be best experienced during the summer months, from May to July. The temperatures during this period ascend from a pleasant 52.3°F (11.3°C) in May to a peak of 63.1°F (17.3°C) in July, offering a cool, refreshing environment that welcomes exploration and outdoor activities. Plentiful daylight hours reach the zenith in June, providing ample sunshine for sightseeing and adventure. Nevertheless, while the rainfall does increase during these months, it does not tend to impede visitor enjoyment of the area.

The worst time to visit Eagle River

While the allure of a winter wonderland may tempt some, the severe cold and heavy snowfall from November to March can pose significant challenges for visitors. The mercury plummets to an average low of 12.6°F (-10.8°C) in December to the harshest low of 9.7°F (-12.4°C) in January. Snowfall inches up to an imposing 5.98" (152mm) in December with the number of snowfall days reaching approximately 10.9 days. With daylight hours at their lowest and short-lived, touring Eagle River becomes difficult during this period.

Spring weather in Eagle River

Spring in Eagle River, encompassing the months of March to May, is marked by a gradual rise in temperature from 28.8°F (-1.8°C) to 52.3°F (11.3°C). Aspects of the subarctic climate linger in early spring, with residual snowfall in March giving way to completely snow-less May. It is during this period that the daylight hours start to lengthen noticeably, reaching up to 17.6 hours by May. Humidity also begins to drop, paving the way for drier conditions as spring proceeds.

Summer weather in Eagle River

Summer in Eagle River is moderately paced. With temperatures ranging from 59.5°F (15.3°C) in June to 60.3°F (15.7°C) in August, it's a break from the otherwise freezing weather. Summertime witnesses blossoming of relative humidity, a surge in rainfall, and a discontinuation of snowfall, drawing a clear line from its frigid counterparts. With an abundance of daylight reaching up to 19.3 hours in June, summers ensure the longest days of the year.

Autumn weather in Eagle River

Autumn commences with a gradual drop in temperature, from 52.5°F (11.4°C) in September to a cooler 25.7°F (-3.5°C) by November. Rainfall reaches its zenith in September and then begins to decrease, with November receiving almost half of September's quantity. Concurrently, snowfall starts marking its presence from October. Daylight hours begin to ebb away, with 7.2 hours of sunlight by November. The onset of autumn signifies the transition towards the upcoming harsh winter.

Winter weather in Eagle River

Winter in Eagle River is unrelentingly severe with temperatures lying between 21.6°F (-5.8°C) in December to 19°F (-7.2°C) in February. Snowfall is common, with a spike of 5.98" (152mm) witnessed in December. Additional facets of a typical subarctic winter include intense humidity, lower pressure, and limited daylight hours, which get as short as 5.6 hours in December. Though the wintry panorama is a sight to behold, the unfavorable conditions pose challenges for navigation and outdoor activities.

Weather in January

January expects an average high temperature of 19°F (-7.2°C) and a low of around 9.7°F (-12.4°C). A peak in snowfall frequency is witnessed, measuring 3.07" (78mm) over nine snowy days. The cold and dry weather generally sees a fair amount of sunshine with daylight averaging 6.5 hours per day. Weather in January »

Weather in February

Shifting to the chilly February, the temperatures slightly elevate but remain effectively below freezing. An intriguing increase in snowfall is observed, climaxing to 4.41" (112mm) spanning eleven separate days. The vegetation mostly turns white, giving Eagle River a tranquil and serene appearance. Weather in February »

Weather in March

March encompasses the transition period from biting winters to slightly warmer temperatures in Eagle River, Alaska. A decrease in snowfall but an increase in rainfall characterizes this month with 0.71" (18mm) of rain distributed over 11.1 days. Weather in March »

Weather in April

Welcoming spring, April records a notable rise in temperature with daytime being considerably warmer. Significantly the snowfall diminishes to 2.32" (59mm) over nearly six days. The receded snow reveals the blooming flora around Eagle River enhancing the city's aesthetic charm. Weather in April »

Weather in May

May introduces milder temperatures, a stark contrast from the harsh Alaska winters. An almost absolute cessation in snowfall is noted, with a minor 0.16" (4mm). The landscape of Eagle River bartered snow-clad trees for vibrant green forests, signaling the arrival of summer. Weather in May »

Weather in June

June exemplifies the heat of the summer, with longer, warmer, sunny days. This month witnesses no snowfall and high relative humidity. Eagle River, Alaska, buzzes with life as the temperatures foster wildlife activity in its lush forests. Weather in June »

Weather in July

July, the mid of summers, observes the year's highest temperatures. Remarkably, rainfall spikes to the yearly maximum of 1.46" (37mm) over 14.7 rain-heavy days. The environment around Eagle River appears lush, giving an enticing allure to its hiking trails. Weather in July »

Weather in August

With brief rainfall and continuing high temperatures, August persists with July's weather pattern. A slight drop in maximum temperature and an increase in rainfall to 1.73" (44mm) make for the wettest month of the year. Eagle River resounds with the sound of rain spattering against the leaves. Weather in August »

Weather in September

In September, Eagle River, Alaska, witnesses the merging of summers and the beginning of fall. The snowfall makes a minor comeback, with only 0.08" (2mm). The weather transition not only carries a noticeable reduction in temperatures but also a reduction in daylight. Weather in September »

Weather in October

With the arrival of October, fall is in full swing in Eagle River, Alaska as temperatures continue to drop. It presents a minor rise in snowfall, signaling the nearing winter with 0.79" (20mm). The landscape is adorned with a combination of golden, orange, and red leaves, creating a mesmerizing effect. Weather in October »

Weather in November

November brings back the colder days, prompting a significant increase in snowfall with about 3.5" (89mm) spread across eight days. The flora changes from vibrant fall colors to a white snowy cover, marking a complete transformation in Eagle River, Alaska's landscape. Weather in November »

Weather in December

December, being the coldest month, sees temperatures typically hovering around freezing point. This month boasts about the highest snowfall of 5.98" (152mm) accumulating over nearly eleven days. The town of Eagle River gets decorated with a thick blanket of snow, invigorating a festive spirits. Weather in December »
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

With its average high temperature of 19°F (-7.2°C) and a low of 9.7°F (-12.4°C), January is regarded as the coldest month.

How much does it rain?

In Eagle River, during the entire year, the rain falls for 147 days and collects up to 13.27" (337mm) of precipitation.

When does it snow?

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

How many days does it snow?

In Eagle River, during the entire year, snow falls for 57.9 days and aggregates up to 24.37" (619mm) of snow.

What is the most humid month?

The months with the highest humidity are February and March, with an average relative humidity of 87%.

What is the month with the lowest UV index?

With an average maximum UV index of 1, February is the month with the lowest UV index.

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?

With an average relative humidity of 65%, May is the least humid month.

What is the driest month?

The month with the least rainfall is May, when the rain falls for 11.1 days and typically collects 0.63" (16mm) of precipitation.

What month has the most sunshine?

With an average of 11.9h of sunshine, May has the most sunshine of the year in Eagle River.

When it does not snow?

In Eagle River, snow does not fall in June through August.

When are the longest days?

With an average of 19h and 18min of daylight, June has the longest days of the year.

When is the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 4.

What time of the year is the hottest in Eagle River?

July, with average temperatures reaching a high of 63.1°F (17.3°C) and a low of 48.4°F (9.1°C), is the warmest month.

What is the wettest month?

The month with the most rainfall is September, when the rain falls for 15.9 days and typically aggregates up to 1.81" (46mm) of precipitation.

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 10.9 days and typically aggregates up to 5.98" (152mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 5h and 36min of daylight.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 3.9h of sunshine.

Average temperature
Eagle River, AK

Average temperature - Eagle River, AK

The warmest month (with the highest average high temperature) is July (63.1°F).
The month with the lowest average high temperature is January (19°F).

The month with the highest average low temperature is July (48.4°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).

Average pressure
Eagle River, AK

Average pressure - Eagle River, AK

The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.69"Hg).

Average wind speed
Eagle River, AK

Average wind speed - Eagle River, AK

The windiest months (with the highest average wind speed) are January and December (4.6mph).
The calmest month (with the lowest average wind speed) is July (4.1mph).

Average humidity
Eagle River, AK

Average humidity - Eagle River, AK

The months with the highest relative humidity are February and March (87%).
The month with the lowest relative humidity is May (65%).

Average rainfall
Eagle River, AK

Average rainfall - Eagle River, AK

The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is May (0.63").

Average rainfall days
Eagle River, AK

Average rainfall days - Eagle River, AK

The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is January (7.4 days).

Average snowfall
Eagle River, AK

Average snowfall - Eagle River, AK

The month with the highest snowfall is December (5.98").
The months with the least snowfall are June, July and August (0").

Average snowfall days
Eagle River, AK

Average snowfall days - Eagle River, AK

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Eagle River, AK

Average daylight / Average sunshine - Eagle River, AK

The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).

The month with the most sunshine is May (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).

Average sunshine days
Eagle River, AK

Average sunshine days - Eagle River, AK

The month with the most sunshine days is January (17.2 days).
The month with the least sunshine days is August (10.2 days).

Average visibility
Eagle River, AK

Average visibility - Eagle River, AK

The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is March (4mi).

Eagle River, Alaska, USA

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