December Weather in Cody, United States

Last updated: February 24, 2025

In Cody, Wyoming, December presents a stark contrast, with maximum temperatures reaching up to 15°C (60°F), while the average plummets to a chilling -6°C (21°F), and the minimum dips dramatically to -26°C (-14°F). The month features a modest precipitation total of 21 mm (0.8 in) spread over 5 days, contributing to the wintery landscape. With a humidity level at a noteworthy 87%, residents can expect a crisp, cold atmosphere often accompanied by snow. This combination of temperatures and moisture creates a distinctive December in Cody, making it a month of picturesque winter scenery and chilly adventures.

December Temperature in Cody

In December, temperatures in Cody, United States, begin to plunge with a minimum of -26°C (-14°F), creating a chill that marks the heart of winter. The average temperature hovers around -6°C (21°F), hinting at the frigid conditions that envelop the area. Despite the cold, daytime highs can reach a relatively mild 15°C (60°F), offering brief respites from the winter chill. This month signals a significant drop compared to the milder months preceding it, with notable shifts from the autumn's lingering warmth. As Cody settles into winter, the stark contrasts of December's temperatures are a reminder of the region's captivating seasonal extremes.

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

The chart illustrates December temperature patterns in Cody, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec201730374760676556392921
Data source: Temperature data for Cody 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 Cody

In Cody, United States, December brings a moderate amount of precipitation, with an average of 21 mm (0.8 in) over just 5 days. As winter sets in, this reflects a dip in both total rainfall and the number of wet days compared to the bustling spring months. While April and May are the wettest months with significant totals, December's relatively lower numbers suggest a shift towards drier conditions as temperatures drop. This trend of decreasing precipitation continues from November, indicating a seasonal transition that prepares the region for the colder months ahead. As the year wraps up, Cody’s weather hints at the calm before the snowfall, making December a serene, albeit slightly wetter, month in this picturesque locale.

December Precipitation Trends in Cody

The chart displays monthly precipitation patterns in Cody, 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.
JanFebMarAprMayJunJulAugSepOctNovDec163627699670473848462721
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Cody

December in Cody, United States, marks a notable spike in humidity, reaching 87%, the highest for the year. This increase follows a gradual decline through the fall months, where humidity levels hovered around 81% in November and dipped to 74% in October. As winter sets in, Cody experiences a rise in moisture, reflecting the changing seasonal patterns. Throughout the year, humidity generally remains high, particularly in the colder months, with January and February also boasting a consistent 85%. This trend indicates that while the air may be crisp and cold, it retains a significant level of moisture, contributing to the region's unique winter climate.

December Average Humidity in Cody

This chart illustrates the average monthly humidity levels in Cody, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%79%74%76%79%81%80%76%74%81%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cody

In Cody, Wyoming, the UV Index in December drops back to a moderate level of 3, similar to January and November, suggesting a period of reduced sun intensity as winter settles in. With a burn time of 30 minutes, outdoor enthusiasts can enjoy the crisp winter air without excessive sun exposure. This trend is consistent throughout the colder months, where UV levels tend to remain lower, offering a respite from the extreme indices seen in summer. As spring approaches, residents and visitors can expect the UV Index to rise significantly, peaking in the early summer months. For those curious about the yearly patterns of UV exposure, check out the full details here: Cody UV Index.

Maximum UV Index Levels in Cody for December

The chart shows the monthly maximum UV Index (UVI) for Cody 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.
JanFebMarAprMayJunJulAugSepOctNovDec35810111111109643
Data source: Cody 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 Cody

In Cody, United States, December welcomes a blend of crisp winter air and a noteworthy amount of sunlight, boasting 207 hours of sunshine. This month typically experiences a modest decline in daylight compared to the bustling summer months, where July shines the brightest with 393 hours of glorious sun. As we transition from the sunny peaks of June and July, which reach nearly 400 hours, the daylight hours gradually wane through the autumn, with November offering 217 hours before settling into December. Interestingly, while winter kicks in and temperatures drop, the moderate sunshine in December can bring a comforting brightness to the otherwise chilly days, reminding residents and visitors alike of the warm, sun-soaked days that lie ahead in the coming spring.

Monthly Sunshine Duration in Cody: December Highlighted

The December sunshine duration represents the total number of hours Cody 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.
JanFebMarAprMayJunJulAugSepOctNovDec162h198h280h285h326h379h393h355h298h251h217h207h
Data source: Cody December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cody During December

In December, the chances of sunny weather in Cody, United States, stand at 46%, slightly lower than the preceding months. As the year winds down, the likelihood of sunshine dips from the peak sunshine days seen in September and June, both hovering around 75% and 72%, respectively. This trend reflects a general decline in sunny days as winter approaches, with notable drops after the vibrant summer months. Despite this decrease, Cody still enjoys some sunshine in December, albeit less than earlier in the year, making it a time when residents and visitors alike hope for glimmers of blue skies amid the winter chill.

Percentage of Sunny Days in December in Cody

The chart illustrates the percentage of sunny days in Cody 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 Cody experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%35%51%49%41%73%66%61%75%51%45%46%
Data source: Cody December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cody in December

In Cody, United States, December marks the peak of winter, bringing a significant decrease in daylight to just 8 hours per day. This decline follows a gradual shortening that begins in the fall, as daylight wanes from October’s 10 hours to November’s 9 hours, ultimately reaching its nadir in December. The trend is quite pronounced when juxtaposed against the longer days of spring and summer, where daylight peaks at 15 hours in June and July. Following December, daylight begins its slow ascent once more, hinting at the promise of longer, brighter days as the year progresses. This cyclical change not only affects daily activities but also evokes a unique charm in Cody's winter atmosphere.

Average Daylight Hours in Cody for December

The chart illustrates the variation in daylight duration in Cody throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 15m10h 27m11h 57m13h 30m14h 49m15h 28m15h 6m13h 56m12h 27m10h 55m9h 34m8h 52m
Data source: Cody daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Cody

In Cody, Wyoming, December brings a gentle breath of winter, with wind speeds averaging 2.6 m/s (6 mph), slightly higher than the preceding months. Throughout the year, wind speeds show a subtle yet intriguing pattern: they peak in the spring and early summer at 2.6 m/s, before settling back into a comfortable 2.4 m/s in the late summer and early fall. This consistent trend of moderate winds creates a serene atmosphere, blending beautifully with the picturesque winter landscapes. As the year closes, the winds of December serve as a reminder of nature’s rhythmic dance, ushering in the quiet beauty of winter in the heart of Wyoming.

Average December Wind Speed in Cody

The chart displays monthly wind speed patterns in Cody, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.52.42.62.42.62.22.42.42.52.52.6 m/s
Data source: Cody December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Cody Compares to Other Months

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

In December, temperatures range from a minimum of -26°C (-14°F) to a maximum of 15°C (60°F), with an average of -6°C (21°F). The month sees about 21 mm (0.8 in) of precipitation spread over 5 days and maintains a high humidity level of 87%. In comparison, January tends to be colder, with temperatures dipping to a minimum of -29°C (-20°F) and peaking at 9°C (48°F), resulting in an average of -7°C (20°F). Precipitation slightly decreases to 16 mm (0.6 in) over just 3 days, and humidity remains relatively stable at 85%. For more detailed information about January weather, visit Cody weather in January.

December and February exemplify the harshness of winter, each with its own unique characteristics. In December, temperatures range from a minimum of -26°C (-14°F) to a maximum of 15°C (60°F), averaging around -6°C (21°F), with a relatively low precipitation total of 21 mm (0.8 in) over just 5 days. The humidity during this month is quite high at 87%, contributing to the chilly atmosphere. In contrast, February experiences even colder temperatures, with a minimum of -29°C (-19°F) and a maximum of 10°C (50°F), leading to an average temperature of -9°C (17°F). However, this month sees an increase in precipitation, totaling 36 mm (1.4 in) spread over 10 days, and a slightly lower humidity level of 85%. For a more detailed look at February weather patterns, check out Cody weather in February.

In December, temperatures in Cody typically range from a minimum of -26°C (-14°F) to a maximum of 15°C (60°F), with an average of -6°C (21°F). The month sees about 21 mm (0.8 in) of precipitation spread across 5 days, coupled with high humidity levels at 87%. In contrast, March brings slightly milder conditions, with temperatures ranging from a minimum of -29°C (-19°F) to a maximum of 20°C (67°F) and an average of -1°C (30°F). Precipitation increases to 27 mm (1.0 in) over 7 days, while humidity decreases to 79%. Overall, March offers a transition towards warmer weather compared to the colder and more humid December. For more detailed weather information, you can check Cody weather in March.

December and April display strikingly different weather patterns. In December, temperatures range from a brisk -26°C (-14°F) to a milder max of 15°C (60°F), with an average of -6°C (21°F). The month experiences lower precipitation at 21 mm (0.8 in) over just 5 days, along with a high humidity level of 87%. In contrast, April sees a significant rise in temperatures, with a minimum of -19°C (-3°F) and a maximum that reaches up to 23°C (73°F), resulting in an average of 3°C (37°F). This month also brings increased precipitation totaling 69 mm (2.7 in) across 12 days, accompanied by a lower humidity of 74%. For a deeper look at weather specifics in April, visit Cody weather in April.

In December, temperatures can plummet as low as -26°C (-14°F), with an average of -6°C (21°F) and a maximum of 15°C (60°F). The month sees limited precipitation at 21 mm (0.8 in) over just 5 days, accompanied by high humidity at 87%. In contrast, May brings a significant rise in temperature, with lows of -10°C (14°F) and highs reaching up to 25°C (77°F) for an average of 9°C (48°F). The precipitation in May jumps to 96 mm (3.8 in), spread over 17 days, and humidity decreases to 76%. The weather transition from December's cold, dry conditions to May's milder, wetter climate is quite marked, revealing the shifting seasons. For more detailed insights, check out Cody weather in May.

December and June present starkly contrasting weather conditions. In December, temperatures can plunge to a minimum of -26°C (-14°F), with an average of -6°C (21°F) and a maximum of 15°C (60°F). The month experiences relatively low precipitation, with only 21 mm (0.8 in) over approximately 5 days, and a high humidity level of 87%. In contrast, June sees much warmer temperatures, ranging from a minimum of 1°C (34°F) to a scorching maximum of 34°C (94°F), with an average of 15°C (60°F). Precipitation in June significantly increases to 70 mm (2.7 in) over about 12 days, and the humidity drops to 79%. This clear variation highlights the seasonal shifts experienced in Cody. For more detailed information, check out Cody weather in June.

December and July present stark contrasts in weather conditions. In December, temperatures can plummet to a minimum of -26°C (-14°F), with an average of -6°C (21°F) and a maximum reaching just 15°C (60°F). This month typically sees high humidity at 87% and receives about 21 mm (0.8 in) of precipitation over five days. In contrast, July brings warmth with a minimum of 3°C (38°F), an average temperature of 20°C (67°F), and peaks at a scorching 36°C (97°F). The summer month is wetter, accumulating 47 mm (1.8 in) of precipitation over 11 days, but with slightly lower humidity at 81%. For more information on July weather, you can visit Cody weather in July.

December and August present stark contrasts in weather conditions. In December, temperatures can plummet as low as -26°C (-14°F), with an average low of -6°C (21°F) and a maximum of 15°C (60°F). The month sees considerable humidity at 87% and light precipitation totaling 21 mm (0.8 in) over about five days. In contrast, August offers a much milder climate with temperatures ranging from a minimal 4°C (39°F) to a sweltering maximum of 35°C (95°F), averaging around 18°C (65°F). Precipitation in August is slightly higher at 38 mm (1.5 in) but occurs over a greater number of days, approximately ten, with humidity at 80%. For more details on the weather in August, you can check Cody weather in August.

In comparing the weather of December and September, it’s clear that the two months exhibit significant differences. December is characterized by much colder temperatures, with a minimum of -26°C (-14°F) and an average of -6°C (21°F). The maximum temperature barely reaches 15°C (60°F), and the humidity is quite high at 87%. In contrast, September brings milder temperatures with a minimum of -10°C (15°F) and an average of 13°C (56°F), peaking at a warm 34°C (93°F). September also sees more precipitation, totaling 48 mm (1.9 in) over 6 days, compared to December’s 21 mm (0.8 in) over just 5 days. For a detailed look at September's climate, you can visit Cody weather in September.

In comparing the weather of December and October, October tends to feature milder temperatures with an average of 4°C (39°F) and a maximum of 26°C (79°F), while December's average temperature drops significantly to -6°C (21°F), peaking at just 15°C (60°F). Precipitation is more frequent in October, with 46 mm (1.8 in) over 10 days compared to December's 21 mm (0.8 in) over 5 days, indicating October's wetter conditions. Additionally, humidity levels are higher in December at 87%, compared to 74% in October, contributing to a colder, more biting feel in the winter month. For more insights on the temperature variations, check out Cody weather in October.

In comparing the weather of December and November, December is characterized by colder temperatures, with an average of -6°C (21°F) compared to November's average of -1°C (30°F). The minimum temperatures in December can plunge to -26°C (-14°F), while November's lowest temperatures reach -19°C (-2°F). Additionally, December experiences slightly less precipitation, totaling 21 mm (0.8 in) over 5 days, compared to November's 27 mm (1.1 in) over 6 days. The humidity in December is higher at 87%, compared to November's 81%. For more detailed information on November weather, you can visit Cody weather in November.

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Conclusion: What to Expect From December Weather in Cody

As December wraps Cody in a chilly embrace, the weather marks a distinct shift from the milder months that precede it. Expect significantly lower temperatures, with average lows dipping into the sub-zero range, creating a crisp, wintry atmosphere. The air feels much more humid, making those cold days even more biting. Moreover, while precipitation is relatively low, frequent flurries can still grace the landscape, transforming the town into a seasonal wonderland. For a detailed understanding of how Cody's weather evolves throughout the year, explore Cody Climate.