Last updated: February 24, 2025
December in Bloomington, United States, features chilly temperatures that create a distinctly wintry atmosphere. With maximum highs reaching a brisk 14°C (57°F) and plunging to a frigid -25°C (-14°F), the average temperature hovers around -5°C (24°F). Rain and snow are not uncommon during this month, contributing to a total precipitation of 49 mm (1.9 in) over 7 days, while humidity levels remain notably high at 84%. As the year winds down, residents and visitors alike can expect a month characterized by cold snaps and occasional moisture, perfect for embracing the seasonal charm of winter.
In December, Bloomington, United States, plunges into the heart of winter, with temperatures reflecting a notable chill. The average temperature hovers around -5°C (24°F), starkly contrasting the milder months prior. While minimums can dip as low as -25°C (-14°F), the occasional respite comes with maximums reaching 14°C (57°F), hinting at fleeting warmer days. This month marks a notable shift from the autumnal trends, where temperatures begin to solidify into a consistent winter pattern, showcasing the region's seasonal extremes. As the year wraps up, residents can expect a true wintry experience, characterized by cold snaps and the promise of a snow-dusted landscape.
December in Bloomington ushers in a transition to winter, marked by an average precipitation of 49 mm (1.9 in). This amount is relatively modest but reflects a notable increase from the preceding months, with 7 rainy days adding a touch of moisture to the cold atmosphere. With the year closing, precipitation begins to taper compared to the spring and summer peaks, like 137 mm in May and 134 mm in August. As temperatures drop, the precipitation often takes on a wintry form, hinting at the snowy landscapes that define the season. Thus, December serves as a gentle reminder of the cyclical nature of weather in Bloomington, bathed in the quieter, yet persistent, whispers of the coming winter.
In Bloomington, United States, December experiences a notable shift in humidity, recorded at 84%. As the year comes to a close, the city's humidity levels reflect the trend of cooler months, gradually tapering from the peak seen in February at 90%. Throughout the fall, humidity remains high, but December stabilizes at a more moderate level, reminiscent of earlier months like April. The consistent values from 81% to 88% over the preceding months indicate a humid climate that softens slightly as winter sets in, providing a refreshing yet chilly atmosphere for residents and visitors alike. This transition highlights Bloomington's characteristic seasonal variations, making December a time of balance amidst winter's arrival.
In Bloomington, the UV Index takes a noticeable dip in December, dropping to 2, which falls into the low exposure category. This means residents can enjoy the winter sun without the immediate need for sun protection, with a safe burn time of 45 minutes. Throughout the year, we observe a varied UV Index that peaks in the summer months, reaching a high of 10 in June. As temperatures rise and days grow longer from May to August, the risk of sunburn increases substantially, prompting caution with only 15 minutes of direct sun exposure recommended. However, as the year concludes, the UV levels not only decrease but remind us to embrace outdoor activities during the cooler months without the same level of concern. For a detailed month-to-month breakdown, visit Bloomington UV Index.
UV Risk Categories
December in Bloomington, United States, ushers in the holiday season with a cozy 175 hours of sunshine, a gentle decline from the vibrant hours of light preceding it. As the year draws to a close, the sunshine showcases a distinct trend—the peak of brightness occurs in the summer months, particularly in July with a splendid 362 hours, while winter lingers in quieter tones. This seasonal shift is marked by a steady increase in sunshine from January's modest 140 hours, reaching its zenith in mid-year before gradually tapering off into the cooler months. With December's golden rays, Bloomington wraps up the year on a warm note, bridging the gap between the year’s sunshine-filled days and the quieter ones ahead.
In Bloomington, December brings a 30% chance of sunny weather, marking a notable shift in the seasonal trends. While late autumn typically sees a decline in sunshine—dropping from 39% in November—December's statistics suggest a cold, overcast month ahead. The sunniest months occur in the heart of summer, peaking at an impressive 62% in August, and gradually tapering down as temperatures cool. This trend highlights the transition from the vibrant, sunlit days of summer to the overcast winter landscape, making the 30% chance in December a welcome, albeit rare, opportunity for sun-seekers during the otherwise gloomy winter season.
In Bloomington, United States, December ushers in the shortest daylight duration of the year, with only 8 hours of daylight. This decline in sunlight follows a steady decrease through the latter part of the year, starting from a brief peak in June and July when daylight stretches to a generous 15 hours. As autumn transitions to winter, daylight silhouettes slowly recede, dropping to 10 hours in October and 9 hours in November before reaching December's minimum. The contrast is stark; the month of December marks a significant shift from the vibrant 14 hours seen in May, highlighting the region's rhythmic dance with the seasons and a natural longing for the lengthening days that will return with spring.
As December sweeps into Bloomington, the winds pick up slightly, averaging 3.8 m/s (9 mph), a refreshing change from the calmer summer months. This increase in wind speed mirrors a broader trend observed throughout the year, where gusts tend to peak during the late fall. Notably, November also boasts a robust average of 3.9 m/s (9 mph), making it one of the windiest months alongside December. Contrasting with the languid breezes of July, which dip to just 2.7 m/s (6 mph), the year’s end sees nature's breath strengthen, wrapping the city in a brisk, invigorating atmosphere perfect for winter activities.
The weather in Bloomington 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 Bloomington and find detailed weather information for every month.
In December, the weather is milder compared to January, with average temperatures hovering around -5°C (24°F) and a maximum of 14°C (57°F), while humidity sits at 84%. This month experiences 49 mm (1.9 in) of precipitation over about 7 days. In contrast, January sees a notable drop in temperatures, with averages reaching -8°C (17°F) and maximums only hitting 7°C (45°F). The humidity also increases to 87%, but precipitation decreases to 30 mm (1.2 in) over just 5 days. For a more detailed look at the January weather conditions, visit Bloomington weather in January.
In comparing the weather between December and February, December typically features milder temperatures with a minimum of -25°C (-14°F) and an average of -5°C (24°F), while February is often colder, with a minimum dropping to -35°C (-31°F) and an average of -8°C (17°F). Both months experience relatively low precipitation, with December receiving 49 mm (1.9 in) over 7 days and February slightly less at 36 mm (1.4 in) over 6 days. Additionally, February tends to have slightly higher humidity at 90%, compared to December's 84%. For more details on February weather patterns, you can refer to Bloomington weather in February.
December and March in Bloomington present quite the contrast in weather patterns. December temperatures reach a minimum of -25°C (-14°F) and an average of -5°C (24°F), while March sees a slight increase, with a minimum of -25°C (-13°F) and an average of 1°C (34°F). The maximum temperature also rises dramatically from December’s 14°C (57°F) to March’s 22°C (73°F). Precipitation levels are relatively close, with December recording 49 mm (1.9 in) and March slightly more at 60 mm (2.4 in), both over roughly the same number of days. Humidity remains high in both months, with December at 84% and March at 85%. For more detailed information, you can check Bloomington weather in March.
December and April exhibit stark contrasts in weather patterns. In December, temperatures can plummet to a minimum of -25°C (-14°F), with an average of -5°C (24°F) and a maximum of 14°C (57°F). This month sees a total precipitation of 49 mm (1.9 in) spread across 7 days, coupled with a high humidity level of 84%. In contrast, April experiences a milder climate, with minimum temperatures around -13°C (8°F), an average of 6°C (44°F), and maximums reaching an impressive 29°C (84°F). Precipitation increases to 84 mm (3.3 in) over 9 days, while humidity remains consistent at 84%. For more details on the change in weather, check out Bloomington weather in April.
December and May present stark contrasts in weather, both in temperature and precipitation. In December, temperatures can plummet to a minimum of -25°C (-14°F), with an average of -5°C (24°F) and a maximum of 14°C (57°F). The month sees 49 mm (1.9 in) of precipitation over about 7 days, coupled with high humidity levels at 84%. In contrast, May experiences a much milder climate, with temperatures ranging from a minimum of -1°C (31°F) to an average of 15°C (59°F), peaking at a maximum of 36°C (98°F). Precipitation increases significantly to 137 mm (5.4 in) over 12 days, though humidity is slightly lower, at 78%. To explore more about the weather in May, check out Bloomington weather in May.
In December, Bloomington experiences harsh winter conditions characterized by frigid temperatures, with a minimum of -25°C (-14°F) and an average of -5°C (24°F). The maximum temperature reaches only 14°C (57°F), and the area sees 49 mm (1.9 in) of precipitation over 7 days, accompanied by high humidity levels of 84%. In contrast, June brings a much warmer and more pleasant climate, with temperatures ranging from a minimum of 7°C (46°F) to an average of 22°C (72°F), and peaking at a maximum of 35°C (96°F). Rainfall increases to 97 mm (3.8 in) spread over 11 days, yet humidity slightly decreases to 80%. For a deeper look at the summer weather, check out Bloomington weather in June.
December and July present stark contrasts in weather. In December, temperatures can plummet to a minimum of -25°C (-14°F), with an average temperature around -5°C (24°F) and a maximum of 14°C (57°F). The month experiences about 49 mm (1.9 in) of precipitation over 7 days, accompanied by relatively high humidity at 84%. In contrast, July offers a much warmer climate, with minimum temperatures starting at 13°C (56°F) and averaging around 24°C (75°F), peaking at a sweltering 35°C (94°F). This summer month sees higher precipitation levels at 106 mm (4.2 in) over 10 days, while humidity remains slightly lower at 81%. For more detailed insights into July weather patterns, you can check Bloomington weather in July.
December and August present stark contrasts in weather conditions. In December, temperatures plummet, with minimums reaching as low as -25°C (-14°F) and averaging around -5°C (24°F), while precipitation is limited to 49 mm (1.9 in) over 7 days, accompanied by high humidity at 84%. In contrast, August boasts a much warmer climate with minimum temperatures of 11°C (51°F) and average highs of 22°C (71°F) up to 32°C (90°F). Precipitation in August is significantly higher, totaling 134 mm (5.3 in) over 11 days, and humidity remains slightly less at 81%. For more details on August weather, you can check Bloomington weather in August.
When comparing the weather in December and September, it’s clear that they present vastly different climates. December experiences much colder temperatures, with averages around -5°C (24°F) and a minimum plunging to -25°C (-14°F), while September enjoys a much milder climate with average temperatures of 18°C (65°F) and maximums reaching up to 33°C (91°F). Precipitation levels also vary, with September receiving significantly more rainfall at 120 mm (4.7 in) over 9 days compared to December's 49 mm (1.9 in) over just 7 days. Despite being cooler, December has higher humidity at 84% compared to 81% in September, adding to the overall chill in the air during the winter month. For a more detailed look at September, you can check Bloomington weather in September.
December weather in Bloomington is characterized by significantly lower temperatures, with a minimum of -25°C (-14°F) and an average of -5°C (24°F), compared to October's milder conditions, where temperatures range from a minimum of -9°C (16°F) to an average of 9°C (49°F). While December's precipitation is lower at 49 mm (1.9 in) over 7 days, October experiences more rainfall with 92 mm (3.6 in) over 11 days. Interestingly, humidity levels remain consistent at 84% for both months, emphasizing the stark contrast in temperature and precipitation patterns. For a detailed look at October weather, check out Bloomington weather in October.
In December, the weather becomes significantly colder compared to November, with average temperatures dropping from 1°C (34°F) in November to -5°C (24°F) in December. The minimum temperature in December plunges to -25°C (-14°F), while November's lowest temperature is a milder -16°C (4°F). Precipitation in December totals 49 mm (1.9 in) over 7 days, slightly higher than November's 36 mm (1.4 in) for the same duration. Humidity remains relatively high in both months, at 84% in December and 88% in November, contributing to the chilly atmosphere. For more detailed information, you can check Bloomington weather in November.
As December arrives in Bloomington, a distinct chill sets in, marking a notable transition from the milder months prior. With temperatures plunging significantly, residents experience a stark contrast, where the warm embrace of autumn gives way to the cold grip of winter. The days are characterized by increased precipitation and a persistent humidity that lingers in the air, making the landscape seem both frosty and inviting. This month not only transforms the scenery but also invites a unique charm, reminiscent of holiday cheer and cozy gatherings. For a deeper understanding of how the seasons shape Bloomington’s weather, explore Bloomington Climate.