December Weather in McCall, United States

Last updated: February 24, 2025

December weather in McCall, United States paints a striking picture of winter's embrace. With maximum temperatures reaching just 8°C (46°F) and averaging -6°C (21°F), the chill is palpable, leading to a brisk and invigorating atmosphere. The minimum temperature can plummet to a frigid -25°C (-13°F), reminding residents and visitors alike of the season's harshness. Over the course of the month, precipitation totals around 102 mm (4.0 in), spread across 16 days, contribute to the region’s snow-covered landscapes. Coupled with humidity levels soaring at 89%, the air feels particularly crisp, enhancing the enchanting winter charm of McCall.

December Temperature in McCall

In McCall, United States, December brings a distinct chill, as temperatures dip sharply into the winter spectrum. With minimum temperatures averaging around -25°C (-13°F), it's a time when frost blankets the landscape. The average temperature settles at a brisk -6°C (21°F), while the maximums reach a modest 8°C (46°F), marking a notable decline from the milder months preceding it. As the year draws to a close, this stark temperature trend encapsulates the transition into winter, characterized by biting cold and occasional glimpses of warmth. The frosty air invites outdoor winter activities, making December both a challenging and beautiful time in McCall.

December Weather in McCall: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in McCall, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec232231344153646252372821
Data source: Temperature data for McCall 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 McCall

In December, McCall experiences a precipitation amount of 102 mm (4.0 in) over approximately 16 days, showcasing a transition into the wetter winter months. This contributes to the overall trend of increasing precipitation as the seasons change, with December's rainfall almost matching that of January. Notably, there's a marked increase from the drier summer months, particularly the minimal 13 mm (0.5 in) recorded in July, highlighting McCall's unique climate. As temperatures drop and snow begins to accumulate, this late-year rainfall lays the groundwork for a picturesque winter landscape, reflecting the natural rhythm of this beautiful region.

December Precipitation Trends in McCall

The chart displays monthly precipitation patterns in McCall, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1011601039378801326428092102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in McCall

In December, McCall experiences a notable humidity level of 89%, continuing a trend of relatively high moisture typical for the winter months. Following the peak of 91% in February, humidity gradually decreases until it hits a yearly low of 60% in September. However, as autumn transitions to winter, humidity levels rise again, with November’s 86% paving the way for December's increase. This seasonal spike showcases the area's characteristic dampness, which can enhance the overall chill of the winter air, creating a unique atmosphere that many residents and visitors appreciate.

December Average Humidity in McCall

This chart illustrates the average monthly humidity levels in McCall, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%91%88%84%77%78%78%63%60%77%86%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in McCall

In December, McCall, Idaho, sees a notable decrease in UV intensity, with the UV Index dropping to 2, categorized as low. This marks a significant shift from the previous months where values peaked at extreme levels during the summer. As the winter season settles in, residents can expect a safer sun exposure time of approximately 45 minutes before risk of burning. The trend highlights a gradual decline from the high values of summer, emphasizing the changing nature of sun exposure throughout the year. For those interested in understanding the UV levels in McCall more thoroughly, check out the detailed information at McCall UV Index.

Maximum UV Index Levels in McCall for December

The chart shows the monthly maximum UV Index (UVI) for McCall 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.
JanFebMarAprMayJunJulAugSepOctNovDec3478111111108642
Data source: McCall 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 McCall

As winter settles in, December in McCall, United States, basks in a modest 142 hours of sunshine. This marks a slight decline compared to the previous autumn months, reflecting a seasonal transition as daylight wanes. The sunshine hours steadily ramp up from 112 in January to a peak of 403 in July, illustrating the town’s vibrant summer skies. Following that peak, a gradual decrease emerges, with August and September still offering substantial sunshine before the shorter days of November and December take hold. Despite the chill in the air, the robust sunshine during these winter months serves as a gentle reminder of brighter days ahead, enriching the charm of this picturesque locale.

Monthly Sunshine Duration in McCall: December Highlighted

The December sunshine duration represents the total number of hours McCall 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.
JanFebMarAprMayJunJulAugSepOctNovDec112h144h238h274h322h349h403h358h295h231h183h142h
Data source: McCall December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in McCall During December

As we delve into the likelihood of sunny weather in December in McCall, it's clear that this month stands apart in terms of reduced sunshine. With only an 11% chance of sunny days, December marks the bottom of the spectrum, showcasing a significant decline from the 22% in November. This trend highlights the shift towards colder months, as sunshine becomes increasingly scarce from late fall into winter. Notably, this stark contrast emphasizes how December's typical weather leads McCall into a season that favors overcast skies and snow, making it a time for cozy firesides rather than sunny outings.

Percentage of Sunny Days in December in McCall

The chart illustrates the percentage of sunny days in McCall 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 McCall experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%25%49%55%46%73%78%69%67%38%22%11%
Data source: McCall December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in McCall in December

As the year transitions into December, McCall, United States, experiences a notable decline in daylight hours, with only 8 hours of sunlight illuminating the winter landscape. This reduction follows a gradual decrease after the summer peak in June and July, when daylight lasted an impressive 15 hours. With each passing month, there’s a clear trend of diminishing daylight; from 14 hours in May down to the lowest point in December. The shift not only impacts the daily rhythms of life but also embodies the beauty of the changing seasons, as the community prepares for the cozy embrace of winter evenings and the serene quiet that December brings.

Average Daylight Hours in McCall for December

The chart illustrates the variation in daylight duration in McCall throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 13m10h 25m11h 57m13h 31m14h 51m15h 31m15h 9m13h 57m12h 27m10h 54m9h 31m8h 49m
Data source: McCall daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in McCall

As December settles in McCall, the winds begin to pick up slightly, reaching an average speed of 2.6 m/s (6 mph), marking a notable increase from the preceding months. This gentle but steady uptick from the consistent 2.1 to 2.4 m/s (5 mph) during earlier months reflects the onset of winter, as the winds carry a crisp chill through the picturesque landscapes. The change in wind speed hints at the transitional dynamics of the season, inviting both residents and visitors to embrace the fresh, invigorating air that December brings, perfect for outdoor activities against a backdrop of snow-dusted mountains.

Average December Wind Speed in McCall

The chart displays monthly wind speed patterns in McCall, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.12.22.22.02.12.02.02.22.42.42.6 m/s
Data source: McCall December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in McCall Compares to Other Months

The weather in McCall 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 McCall and find detailed weather information for every month.

December and January exhibit similar winter characteristics, but with some notable differences in temperature and humidity levels. December tends to be slightly cooler, with average temperatures around -6°C (21°F) and a maximum of 8°C (46°F), while January's average temperature is a bit milder at -5°C (23°F), peaking at 5°C (41°F). Both months receive comparable precipitation, with December having 102 mm (4.0 in) across 16 days and January showing marginally less at 101 mm (4.0 in) over 14 days. Interestingly, January experiences a slightly higher humidity level at 90% compared to December’s 89%, making both months feel quite damp and chilly. For a more detailed overview of January's weather, you can visit McCall weather in January.

In December, temperatures range from a brisk -25°C (-13°F) at their lowest to a milder max of 8°C (46°F), with an average of -6°C (21°F). The month sees considerable precipitation of 102 mm (4.0 in) spread over 16 days, accompanied by high humidity at 89%. In contrast, February typically has slightly milder temperatures, with a minimum of -22°C (-7°F) and a maximum of 6°C (43°F), leading to an average of -5°C (23°F). However, February experiences more precipitation, totaling 160 mm (6.3 in) over 19 days and a humidity level that rises to 91%. For more detailed insights, you can check out the McCall weather in February.

In December, the weather is characterized by much colder temperatures, with an average of -6°C (21°F) and a maximum of only 8°C (46°F). This month sees significant precipitation, totaling 102 mm (4.0 in) over 16 days, and the humidity remains high at 89%. In contrast, March offers a slight reprieve with milder conditions, featuring an average temperature of -1°C (31°F) and maximums reaching 11°C (52°F). Precipitation levels are similar, at 103 mm (4.1 in) over the same number of days, and humidity is slightly lower at 88%. For more detailed insights about the weather conditions in March, you can check McCall weather in March.

December and April present contrasting weather experiences, with December typically characterized by much colder temperatures. In December, temperatures can plunge to a minimum of -25°C (-13°F), while averaging around -6°C (21°F) and reaching a maximum of 8°C (46°F). This month also sees considerable precipitation, with 102 mm (4.0 in) falling over 16 days, coupled with high humidity at 89%. In contrast, April brings milder conditions, with minimum temperatures around -12°C (10°F), an average of 1°C (34°F), and highs peaking at 18°C (64°F). Precipitation in April is slightly lower at 93 mm (3.7 in) over 14 days, and humidity decreases to 84%. For a more detailed look at April weather patterns, visit McCall weather in April.

December and May present a stark contrast in weather conditions. December typically experiences frigid temperatures, with lows plunging to -25°C (-13°F) and an average around -6°C (21°F), while May offers a much milder climate, featuring minimum temperatures of -9°C (17°F) and an average of 5°C (41°F). Precipitation is common in both months, but December sees more rainfall, totaling 102 mm (4.0 in) over 16 days compared to 78 mm (3.1 in) over 14 days in May. Additionally, the humidity in December hovers at a high 89%, while May has a more comfortable level at 77%. For a closer look at May weather, you can visit McCall weather in May.

December and June showcase starkly contrasting weather patterns. In December, temperatures can plummet to a chilling minimum of -25°C (-13°F), with an average temperature hovering around -6°C (21°F) and a maximum of 8°C (46°F). Additionally, December sees a significant amount of precipitation, averaging 102 mm (4.0 in) over 16 days, coupled with high humidity at 89%. In contrast, June brings much milder conditions, with minimum temperatures around -4°C (25°F) and an average of 12°C (54°F) that can peak at a warm 33°C (92°F). The month experiences less precipitation at 80 mm (3.2 in) across 10 days, along with slightly lower humidity at 78%. For more detailed insights into weather in June, check out McCall weather in June.

December and July present a stark contrast in weather conditions. In December, temperatures can plunge to a minimum of -25°C (-13°F), with an average of -6°C (21°F) and a maximum of 8°C (46°F). This month also experiences considerable precipitation, with 102 mm (4.0 in) falling over 16 days, contributing to high humidity levels at 89%. In contrast, July brings much milder temperatures, with a minimum of 1°C (34°F), an average of 18°C (64°F), and a maximum of 32°C (89°F). Rainfall is significantly lower in July, totaling just 13 mm (0.5 in) over 4 days, and humidity drops to 77%. For more detailed weather insights for July, visit McCall weather in July.

In December, the weather is characterized by frigid temperatures, with minimums dipping as low as -25°C (-13°F) and an average of -6°C (21°F), making it a stark contrast to the warmth of August. During the summer month, temperatures soar, reaching a maximum of 34°C (93°F) and maintaining a pleasant average around 17°C (62°F). Precipitation is also markedly different; December sees a significant amount of moisture with 102 mm (4.0 in) over 16 days, while August has a much dryer spell with only 26 mm (1.0 in) across just 5 days. The humidity levels in December are considerably higher at 89%, compared to 63% in August, further emphasizing the distinct seasonal differences. To explore more about the weather during this summer month, you can check McCall weather in August.

December and September present starkly contrasting weather conditions. December is characterized by much colder temperatures, with averages around -6°C (21°F) and nighttime lows plummeting to -25°C (-13°F). In contrast, September boasts a milder climate with temperatures averaging 11°C (53°F) during the day and hitting highs of 31°C (87°F). Additionally, December experiences significantly more precipitation, totaling 102 mm (4.0 in) across 16 days, compared to just 42 mm (1.7 in) over 6 days in September. The higher humidity of December at 89% further accentuates the chill, while September's humidity sits at a more comfortable 60%. For a detailed look at weather specifics for September, you can visit McCall weather in September.

In December, the weather presents a stark contrast to that of October, with average temperatures hovering around -6°C (21°F) compared to October’s milder average of 3°C (37°F). While December experiences a maximum of 8°C (46°F), October can reach up to a warm 22°C (72°F). Additionally, December is characterized by higher humidity at 89% and more precipitation, occurring over 16 days, compared to 12 days in October and a total of 80 mm (3.1 in). For more detailed information about October conditions, you can explore McCall weather in October.

In December, temperatures fluctuate more dramatically than in November, with average lows reaching -6°C (21°F) compared to November's slightly milder -2°C (28°F). While both months experience frigid minimum temperatures of -25°C (-13°F), December's maximum temperature is lower at 8°C (46°F) in contrast to November's higher peak of 13°C (55°F). Additionally, December sees increased precipitation of 102 mm (4.0 in) over 16 days, compared to November’s 92 mm (3.6 in) across 14 days, and a slightly higher humidity level of 89% versus 86% in November. For a more detailed look at November's weather, you can visit McCall weather in November.

Compare McCall's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in McCall

December in McCall presents a striking contrast to the milder months, as temperatures plummet while precipitation is frequent, creating a genuinely wintry atmosphere. With an average temperature that hovers well below freezing, residents and visitors are greeted with a chill that can reach its nadir at times. Coupled with the high humidity levels, the cold becomes even more pronounced, making it essential to bundle up when venturing outdoors. The substantial amount of precipitation over numerous days adds a picturesque layer of snow, transforming the landscape into a winter wonderland. For those intrigued by how McCall's December weather compares with the rest of the year, detailed insights can be found at McCall Climate.