December Weather in Eagle River, United States

Last updated: February 24, 2025

Eagle River, located in the heart of the United States, experiences a chillier December with an average temperature hovering around -6°C (21°F). Daily temperatures can fluctuate significantly, ranging from a frigid minimum of -28°C (-19°F) to a mild maximum of 13°C (55°F). This month sees approximately 62 mm (2.4 in) of precipitation over 10 days, contributing to a humid atmosphere with levels reaching 87%. Despite the icy backdrop, the beauty of winter in Eagle River captivates residents and visitors alike, setting the stage for a season filled with outdoor adventures and festive cheer.

December Temperature in Eagle River

In Eagle River, United States, December brings a significant chill as winter settles in, with temperatures typically ranging from a brisk -28°C (-19°F) at night to a mild peak of 13°C (55°F) during the day. The average sits around -6°C (21°F), making it one of the colder months of the year. This drop in temperature marks a notable shift from the relatively mild conditions in November, where highs reached 20°C (68°F). Throughout December, the landscape transforms under a blanket of snow, creating a picturesque winter wonderland that invites both outdoor enthusiasts and those seeking the cozy warmth of indoor activities. As the year closes, December's temperatures serve as a reminder of the area's dramatic seasonal swings, setting the stage for the deeper cold of January and February ahead.

December Weather in Eagle River: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Eagle River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec151427375364696558442920
Data source: Temperature data for Eagle River generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Eagle River

In December, Eagle River experiences a notable precipitation increase, with 62 mm (2.4 in) of rain spread over 10 days. This marks a slight rise from November’s 55 mm (2.2 in), indicating a consistent trend of increased moisture as the year draws to a close. While December’s rainfall is less than that of the summer months, it still reflects the shift towards wetter conditions typical of the region's winter season. The consistent presence of precipitation in both November and December not only underscores the area's climactic patterns but also sets the stage for the snow and colder temperatures that define the coming months.

December Precipitation Trends in Eagle River

The chart displays monthly precipitation patterns in Eagle River, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec355249908299100114981175562
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Eagle River

As December arrives in Eagle River, the humidity levels reach 87%, reflecting a continuation of the region's characteristic moisture as it transitions into winter. The data reveals a noticeable pattern: after peaking at 90% in February, humidity steadily declines throughout the spring and summer months, hitting a low of 73% in August. However, as fall sets in, moisture begins to creep back in, culminating in November's 89% reading. This upward trend into December signifies a return to the wetter conditions that characterize the colder months, creating a crisp and refreshing atmosphere in this picturesque locale.

December Average Humidity in Eagle River

This chart illustrates the average monthly humidity levels in Eagle River, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Eagle River

In Eagle River, December brings a noticeable shift in the UV Index, dipping back to a low value of 2. This trend mirrors the beginning of the year, where January also recorded a UV Index of 2, suggesting a reprieve from the sun's more intense rays experienced in the spring and summer months. As temperatures fluctuate and daylight hours decrease, residents can enjoy longer burn times of up to 45 minutes without significant risk of sunburn. This seasonal pattern highlights the importance of monitoring UV levels even in the colder months. For more detailed information on the UV Index throughout the year, check the complete data here: Eagle River UV Index.

Maximum UV Index Levels in Eagle River for December

The chart shows the monthly maximum UV Index (UVI) for Eagle River in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec2458810997532
Data source: Eagle River December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Eagle River

In Eagle River, United States, December sees a glimpse of the winter sun with 127 hours of sunshine, marking a subtle decline as the year ends. This month typically follows a gradual downward trend in sunlight, beginning with a peak of 361 hours in July. From the vibrant summer months, where daylight is abundant, the region transitions into a more subdued atmosphere in the late fall and early winter. Despite its lower ranking, December's sunshine still offers a warm embrace amidst the chilly weather, promising a serene beauty as the landscape transforms into a winter wonderland. This year-end sunlight invites residents and visitors alike to appreciate the unique charm of Eagle River’s wintry embrace.

Monthly Sunshine Duration in Eagle River: December Highlighted

The December sunshine duration represents the total number of hours Eagle River experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec109h187h232h232h290h347h361h313h260h191h154h127h
Data source: Eagle River December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Eagle River During December

In Eagle River, December brings the year's lowest likelihood of sunny weather, with a mere 19% chance of sunshine. This stark contrast to the sunnier months underscores a seasonal trend where the probability of clear skies peaks in the summer, hitting its highest at 59% in July. As we transition from fall to winter, the chance of sun diminishes significantly—dropping from 31% in November to December's dismal levels. While June and August enjoy relatively high probabilities near the 58% mark, December's gloom serves as a reminder of the long winter nights ahead. Thus, if you're dreaming of sunshine in December, you'll likely need to look elsewhere or make the most of the fleeting sunny moments that occur!

Percentage of Sunny Days in December in Eagle River

The chart illustrates the percentage of sunny days in Eagle River throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Eagle River experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%30%41%32%43%47%60%58%52%35%31%19%
Data source: Eagle River December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Eagle River in December

In Eagle River, United States, the daylight duration follows a distinct seasonal rhythm. As the year transitions from December's 8 hours of daylight to January's 9 hours, a gradual increase marks the onset of longer days, peaking at an impressive 15 hours in June and July. This summer abundance diminishes as autumn sets in, leading to a steady decline back to 9 hours by November. December stands out as a turning point where the days are at their shortest, hinting at the promise of longer days to come as the sun begins to return in January, embodying the cyclical dance of light and darkness that characterizes this northern locale.

Average Daylight Hours in Eagle River for December

The chart illustrates the variation in daylight duration in Eagle River throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 6m10h 22m11h 57m13h 34m14h 57m15h 39m15h 16m14h 2m12h 28m10h 51m9h 26m8h 42m
Data source: Eagle River daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Eagle River

As the year draws to a close, December's wind in Eagle River picks up a notable dynamic, with an average speed of 4.0 m/s (9 mph). This marks a peak in the seasonal trend, following November's wind velocities that also flirted with breezy conditions. Throughout the year, wind speeds typically hover between 2.7 m/s (6 mph) in the summer months and 4.0 m/s (9 mph) during the late fall and winter. The gradual increase in wind speed from the tranquility of early summer to December's brisk currents hints at the onset of winter's chill, creating a refreshing contrast against the serene, snowy landscapes of Eagle River. It’s a perfect time for locals and visitors alike to embrace the invigorating winds, a signature of the Alaskan winter.

Average December Wind Speed in Eagle River

The chart displays monthly wind speed patterns in Eagle River, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.34.03.43.43.02.73.13.43.23.94.0 m/s
Data source: Eagle River December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Eagle River Compares to Other Months

The weather in Eagle River changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Eagle River and find detailed weather information for every month.

December and January showcase a notable shift in weather patterns. December experiences a relatively milder temperature range, with average lows around -6°C (21°F) and highs reaching up to 13°C (55°F). In contrast, January is notably colder, with average temperatures dipping to -10°C (15°F) and maximums only reaching 5°C (41°F). Precipitation also varies, with December receiving 62 mm (2.4 in) over approximately 10 days, while January sees less precipitation at 35 mm (1.4 in) over just 7 days. Humidity remains consistently high during both months, at 87% in December and increasing slightly to 89% in January. For more specific details about the conditions in January, you can check Eagle River weather in January.

December and February present distinct winter weather patterns. In December, temperatures range from a minimum of -28°C (-19°F) to a maximum of 13°C (55°F), with an average temperature of -6°C (21°F). This month experiences about 62 mm (2.4 in) of precipitation over 10 days and boasts a humidity level of 87%. In contrast, February is typically colder, with temperatures dipping to a minimum of -32°C (-25°F) and reaching a maximum of 10°C (49°F), while the average temperature sits at -10°C (15°F). February's precipitation is slightly less, at 52 mm (2.0 in), also spread over 10 days, but it features a higher humidity of 90%. Together, these months illustrate the chill of winter, with February generally being the colder of the two. For more detailed information, refer to the Eagle River weather in February.

In December, temperatures in Eagle River can plummet to a minimum of -28°C (-19°F), with an average of -6°C (21°F) and a maximum reaching 13°C (55°F). This month experiences more precipitation, totaling 62 mm (2.4 in) over approximately 10 days, alongside high humidity at 87%. Conversely, March sees slightly milder conditions, with minimum temperatures around -26°C (-14°F), an average of -3°C (27°F), and a maximum of 14°C (58°F). Precipitation decreases to 49 mm (1.9 in) over 8 days while maintaining the same humidity level of 87%. For more details on the weather in March, visit Eagle River weather in March.

December and April present a stark contrast in weather conditions. December, with its average temperature hovering around -6°C (21°F), experiences colder extremes, dipping to a minimum of -28°C (-19°F) and reaching a maximum of 13°C (55°F). The month also sees significant precipitation, totaling 62 mm (2.4 in) over approximately 10 days, accompanied by high humidity at 87%. In contrast, April starts to warm up, with an average temperature of 3°C (37°F), a minimum of -16°C (4°F), and a maximum of 21°C (71°F). Precipitation increases slightly to 90 mm (3.5 in) across about 13 days, with humidity remaining relatively high at 84%. For more insights on April weather, visit Eagle River weather in April.

December and May present starkly contrasting weather conditions. In December, temperatures can plummet as low as -28°C (-19°F), with an average temperature of -6°C (21°F) and a maximum of 13°C (55°F). The month experiences around 62 mm (2.4 in) of precipitation across 10 days, coupled with high humidity levels at 87%. In contrast, May brings much milder conditions, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 30°C (86°F), averaging 12°C (53°F). While precipitation increases slightly to 82 mm (3.2 in) over 11 days, the humidity drops to 77%. For a more detailed look at the weather during this transition month, check out Eagle River weather in May.

December and June in Eagle River offer starkly contrasting weather conditions. December experiences frigid temperatures, with averages around -6°C (21°F) and a maximum of 13°C (55°F), while June brings much warmer temperatures, boasting a minimum of 5°C (41°F) and an average high of 18°C (64°F), reaching up to 33°C (91°F). Precipitation slightly increases in June, totaling 99 mm (3.9 in) over about 11 days, compared to December’s 62 mm (2.4 in) over 10 days, though humidity is higher in December at 87%, compared to June’s more comfortable 75%. For more detailed information on weather trends in June, check out Eagle River weather in June.

December and July present starkly contrasting weather conditions. In December, temperatures plummet to a minimum of -28°C (-19°F), with an average of -6°C (21°F) and a maximum reaching just 13°C (55°F). The month experiences a high level of humidity at 87%, alongside precipitation totaling 62 mm (2.4 in) over about 10 days. In contrast, July offers a much milder climate, with temperatures ranging from a minimum of 9°C (49°F) to an average of 20°C (69°F) and a maximum of 32°C (90°F). Although July sees more precipitation at 100 mm (3.9 in) spread over 11 days, humidity is lower at 74%. For more detailed information, visit Eagle River weather in July.

December and August present starkly contrasting weather conditions. In December, temperatures plummet to a minimum of -28°C (-19°F) and average around -6°C (21°F), with a maximum of only 13°C (55°F). The month experiences high humidity at 87% and sees about 62 mm (2.4 in) of precipitation over 10 days. In contrast, August offers a much milder climate, with minimum temperatures of 7°C (44°F), averages reaching 18°C (65°F), and maximums soaring to 30°C (87°F). While August has slightly more precipitation at 114 mm (4.5 in) over 12 days, humidity is lower at 73%. For more detailed insights, you can check out the Eagle River weather in August.

The weather in December and September presents a stark contrast, highlighting the shift from the crisp beginnings of autumn to the depths of winter. In December, temperatures plummet to a minimum of -28°C (-19°F) and an average of -6°C (21°F), with maximums reaching only 13°C (55°F). In comparison, September experiences milder temperatures, with a minimum of 1°C (34°F), an average of 14°C (58°F), and can peak at a warm 30°C (86°F). While December sees significant precipitation of 62 mm (2.4 in) over 10 days under high humidity of 87%, September has a higher total precipitation of 98 mm (3.9 in) across 11 days, but with a more comfortable humidity level of 78%. For more insights about September weather, check out Eagle River weather in September.

December and October present striking contrasts in weather patterns. In December, temperatures can plummet to a minimum of -28°C (-19°F), with an average of -6°C (21°F) and a maximum of 13°C (55°F). The month is characterized by a higher humidity level of 87% and lower precipitation totaling 62 mm (2.4 in) over 10 days. In comparison, October showcases milder temperatures, ranging from a minimum of -10°C (14°F) to a maximum of 24°C (75°F), with an average of 7°C (44°F). Additionally, October experiences more precipitation, reaching 117 mm (4.6 in) across 13 days, while maintaining a slightly lower humidity of 84%. For more detailed insights on October weather in this region, you can check Eagle River weather in October.

In comparing the weather of December and November, December typically experiences lower temperatures, with an average of -6°C (21°F), compared to November's average of -2°C (29°F). The minimum temperatures drop significantly, reaching -28°C (-19°F) in December, while November sees a higher minimum of -17°C (2°F). In terms of precipitation, December receives slightly more at 62 mm (2.4 in) over about 10 days, whereas November records 55 mm (2.2 in) over 11 days. Humidity levels are quite similar, with December at 87% and November at 89%. For those looking for more detailed insights on weather trends, Eagle River weather in November provides comprehensive data.

Compare Eagle River's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Eagle River

As December settles into Eagle River, the weather transforms into a winter wonderland, marked by its chilly temperatures and notable humidity. Unlike the more temperate months of autumn, December brings a distinct crispness to the air, with maximums barely reaching beyond single digits. The increased precipitation, resulting in several snowy days, adds to the serene beauty of the landscape, painting everything in a soft white blanket. This month stands out as a definitive transition into winter, setting the stage for the icy adventures that await. For a more detailed look at seasonal changes, check out Eagle River Climate.