Last updated: February 24, 2025
In December, Sister Bay experiences a chilly winter ambiance, with maximum temperatures reaching a cool 11°C (52°F) and average lows of -1°C (31°F). Nights can be particularly brisk, plunging to a minimum of -17°C (1°F), emphasizing the season's frigid grip. The area sees 69 mm (2.7 in) of precipitation over an average of 11 days, contributing to the 87% humidity that blankets the town. Despite the cold, December's weather highlights the serene beauty of Sister Bay, inviting visitors to embrace the winter season's picturesque landscape.
In Sister Bay, United States, December ushers in the chill of winter, with temperatures steadily dropping as the year concludes. The month sees minimums hovering around -17°C (1°F), while the average temperature rests at a brisk -1°C (31°F). During the day, highs reach a modest 11°C (52°F), a stark contrast to the freezing nights. This pattern highlights the transition to deeper winter, with December often being one of the coldest months, setting the stage for the even harsher conditions of January and February. As the landscape transforms under a blanket of snow, the crisp air and frosty mornings invite a cozy atmosphere, making it a unique time to experience the beauty of Sister Bay in winter.
In December, Sister Bay experiences a notable increase in precipitation, with a total of 69 mm (2.7 in) over approximately 11 days of rain. This marks a slight rise compared to the previous month, November, which had 66 mm but only 10 rainy days. The trend in precipitation illustrates a transition into winter, as December often couples these rainfall amounts with the potential for snow. Following the wetter months of October and June, which recorded over 90 mm, the holiday season emerges with moderate moisture, preparing the landscape for a winter wonderland. Overall, December's precipitation patterns reflect a steady seasonal rhythm, embodying the charm of Sister Bay's transformative climate.
In December, Sister Bay experiences a humidity level of 87%, maintaining a relatively consistent trend seen throughout the year. The winter months, particularly January and February, boast higher humidity levels at a steady 91%, creating a crisp and chill atmosphere. As we transition into spring, humidity begins to slightly drop, reaching 87% in April and gradually decreasing to 82% by May. The summer months bring a peak of drier air, with July recording the lowest humidity at 75%. However, as autumn sets in, humidity rises again, hinting at the return of that brisk maritime influence, culminating in December's moisture-dense air. This cyclical pattern underscores the region's unique climate transitions, blending seasonal shifts with the consistent presence of humidity throughout the year.
As December arrives in Sister Bay, the UV Index drops to a low 2, marking a significant decrease from the high levels experienced during the summer months. This reduction in UV radiation means residents and visitors can enjoy outdoor activities with a much lower risk of sunburn, as the estimated burn time now extends to 45 minutes. Following the patterns of the previous months, the UV Index has seen a consistent decline from very high values in May through August, easing into moderate levels in the fall and settling into the comfort of winter. Such trends highlight the importance of adjusting sun safety practices throughout the year. For more detailed insights, check out the comprehensive data at Sister Bay UV Index.
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In Sister Bay, United States, December ushers in a serene close to the year, boasting 142 hours of sunshine. While this figure reflects a notable dip from the sunniest months, such as July with 364 hours, it is consistent with a seasonal pattern that sees daylight gradually wane as winter approaches. Following a trend of increasing sun exposure from January's low of 114 hours to the early spring months, residents and visitors alike can relish the crisp, bright days that December offers, albeit in more limited hours. Overall, the transition from the vibrant light of summer to the quieter glow of winter encapsulates the unique charm of this quaint locale.
In Sister Bay, the likelihood of sunny weather in December dips to 21%, marking it as one of the cloudier months of the year. This trend aligns with the winter season, where the sunshine frequencies drop significantly compared to the spring and summer months. As we transition from November's 38% chance of sun, December's statistics highlight the region's shift towards chillier, less radiant days. In contrast, the peak sunny months of July and August boast chances of 61% and 56%, showcasing the vibrant seasonal variations that characterize this charming destination. Thus, if you're hoping for clear skies this December, it may be wise to prepare for a cozy, overcast holiday experience.
As December settles in Sister Bay, the daylight hours dip to 8 hours, marking the twilight of the year. This reduction is part of a predictable cycle, where daylight begins strong in the early months, peaking at 15 hours in June and July. As autumn unfolds, the days gradually shorten, leading to the crisp and cozy embrace of winter. By December, the shortest days signal a time of reflection and warmth, as residents and visitors alike turn their sights to the festive season, eagerly anticipating the gradual return of longer days in the months to come.
In December, Sister Bay experiences a notable uptick in wind speed, averaging 8.7 m/s (19 mph), making it one of the windiest months of the year. This increase follows a trend observed in the preceding months, particularly November, which also saw elevated winds at 8.6 m/s (19 mph). As the year winds down, the overall pattern reflects a gradual shift from milder summer breezes, where July's calm winds average just 4.9 m/s (11 mph), to the brisk gusts of winter. December's robust winds herald the colder season, bringing an invigorating chill that enhances the natural beauty of the snowy landscape. This seasonal transition not only underscores the dynamic weather patterns in Sister Bay but also invites outdoor enthusiasts to embrace the invigorating air of winter.
The weather in Sister Bay 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 Sister Bay and find detailed weather information for every month.
In December, temperatures in Sister Bay typically range from a brisk -17°C (1°F) to a mild max of 11°C (52°F), with an average temperature of -1°C (31°F). The month experiences relatively high precipitation at 69 mm (2.7 in) over 11 days, alongside a humidity level of 87%.
Conversely, January tends to be even colder, with minimum temperatures dropping to -18°C (-1°F) and a max of only 5°C (41°F), leading to an average of -4°C (25°F). Precipitation decreases to 48 mm (1.9 in) occurring over 9 days, while humidity rises slightly to 91%. For more detailed information, you can check the Sister Bay weather in January.
December and February weather conditions display some notable differences. In December, temperatures range from a minimum of -17°C (1°F) to a maximum of 11°C (52°F), with an average of -1°C (31°F). The month sees about 69 mm (2.7 in) of precipitation over 11 days and maintains a humidity level of 87%. In contrast, February experiences colder temperatures, with a minimum of -19°C (-2°F) and a maximum of 6°C (44°F), averaging -4°C (24°F). Precipitation decreases slightly to 57 mm (2.3 in) over the same number of days, but humidity rises to 91%. For more detailed insights, you can refer to Sister Bay weather in February.
In comparison to March, December experiences slightly milder average temperatures, with daily highs reaching up to 11°C (52°F) compared to March's maximum of 7°C (45°F). However, March can be colder at its minimum, dropping to -19°C (-1°F), while December's lowest recorded temperature is -17°C (1°F). Precipitation levels are fairly close, with December averaging 69 mm (2.7 in) over 11 days and March slightly lower at 61 mm (2.4 in) over 9 days. Both months share the same humidity level of 87%, creating a consistently damp atmosphere. For a more detailed look at March weather specifics, visit Sister Bay weather in March.
In December, temperatures in Sister Bay can plunge to a minimum of -17°C (1°F) and hover around an average of -1°C (31°F), peaking at a maximum of 11°C (52°F). The month sees around 69 mm (2.7 in) of precipitation over 11 days, maintaining a high humidity level of 87%. In contrast, April offers a slight reprieve from the cold, with minimum temperatures around -7°C (19°F) and average temperatures rising to 2°C (36°F), capping off at 9°C (48°F). Despite receiving a bit more precipitation at 88 mm (3.5 in) also over 11 days, the humidity remains consistent at 87%. For more details, you can check out Sister Bay weather in April.
December and May in Sister Bay showcase stark contrasts in weather. December typically presents frigid temperatures, with a minimum reaching as low as -17°C (1°F) and an average of -1°C (31°F), while May offers a milder experience, with temperatures ranging from a minimum of -1°C (31°F) to an average of 6°C (44°F). Precipitation is more pronounced in May at 86 mm (3.4 in), albeit over just ten days, compared to December's 69 mm (2.7 in) over eleven days. Additionally, December's humidity is slightly higher at 87%, while May's stands at 82%. For more details on the weather in May, visit Sister Bay weather in May.
In comparing the weather between December and June, there is a striking contrast in temperature and overall conditions. December sees much colder temperatures, with a minimum of -17°C (1°F) and an average of -1°C (31°F), while June offers a milder climate with a minimum of 5°C (41°F) and an average of 13°C (55°F). Precipitation levels are somewhat similar, with December experiencing 69 mm (2.7 in) over 11 days, while June has slightly higher precipitation at 91 mm (3.6 in) across the same number of days. Humidity also differs, with December's average at a higher 87% compared to June's 79%, making December feel even colder and more pronounced in its winter characteristics. For more details on the June weather, you can check Sister Bay weather in June.
December and July offer starkly contrasting weather conditions. In December, temperatures plummet with a range from a chilly -17°C (1°F) at night to a maximum of 11°C (52°F), making it the coldest month of the year. This month sees an average temperature of -1°C (31°F) and experiences considerable humidity at 87%, along with about 69 mm (2.7 in) of precipitation over approximately 11 days. Conversely, July's climate is much milder, featuring a minimum temperature of 12°C (54°F) and an average high of 26°C (79°F), with overall average temperatures resting at 19°C (67°F). While July records a slightly higher precipitation total of 74 mm (2.9 in) across about 10 days, the humidity is notably lower at 75%. For a glimpse into July's inviting weather, check out Sister Bay weather in July.
The weather in December contrasts sharply with that of August, showcasing the distinct seasonal variations. In December, temperatures can plunge to a minimum of -17°C (1°F), averaging around -1°C (31°F), and reaching a maximum of 11°C (52°F). This month experiences considerable humidity at 87% and sees approximately 69 mm (2.7 in) of precipitation spread over 11 days. In contrast, August offers a much warmer experience, with temperatures ranging from a minimum of 15°C (58°F) to an average of 20°C (68°F) and a maximum of 25°C (78°F). The humidity is lower, at 76%, and precipitation is slightly higher at 78 mm (3.1 in) over just 9 days. For more details on the weather during this vibrant summer month, check out Sister Bay weather in August.
In December, the weather is marked by significantly colder temperatures, with a minimum of -17°C (1°F) and an average around -1°C (31°F). The maximum temperature reaches 11°C (52°F), but the high humidity at 87% creates a chilly atmosphere. Precipitation is moderately high, totaling 69 mm (2.7 in) over 11 days.
In contrast, September experiences much milder conditions, with temperatures ranging from a minimum of 7°C (45°F) to a pleasant average of 17°C (63°F), peaking at 23°C (74°F). Although precipitation is slightly higher at 74 mm (2.9 in) over 10 days, the humidity is lower at 79%, contributing to a more comfortable feel. For more details, you can check Sister Bay weather in September.
Overall, the weather in December is harsh and frigid compared to the mild and pleasant climate of September.
When comparing the weather in December and October, it's clear that December is significantly colder, with average temperatures hovering around -1°C (31°F) compared to October's more moderate 11°C (52°F). The minimum temperatures in December can plummet to -17°C (1°F), whereas October rarely drops below 1°C (35°F). December also experiences higher humidity at 87%, yet slightly less precipitation at 69 mm (2.7 in) across 11 days, compared to October's 108 mm (4.2 in) over 13 days. For more insights on October weather, check out Sister Bay weather in October.
December's weather sees a significant drop in temperatures compared to November, with minimums plunging to -17°C (1°F) and an average of -1°C (31°F), contrasting with November's milder minimum of -6°C (21°F) and average of 4°C (39°F). Precipitation levels are similar, with December experiencing 69 mm (2.7 in) over 11 days, slightly more than November's 66 mm (2.6 in) over 10 days. Humidity remains high in both months, with December at 87% and November at 86%. For a closer look at November weather, you can refer to Sister Bay weather in November.
As December blankets Sister Bay, the weather takes on a distinct character, marked by a notable drop in temperatures compared to the milder months preceding it. With chilly morning lows and the occasional frosty day, residents and visitors alike are greeted by a crisp and invigorating atmosphere. This month also sees an increase in precipitation, contributing to the winter's early charm, making for delightful winter scenes that differ significantly from the vibrant colors of autumn. Despite the higher humidity that often shrouds the town, the allure of a quiet winter landscape can be captivating and offers a unique perspective on Sister Bay's seasonal rhythms. For a detailed look at the annual weather patterns, visit Sister Bay Climate.