Last updated: February 24, 2025
December weather in Mount Pleasant, United States presents a brisk yet invigorating experience. With maximum temperatures reaching 22°C (72°F) and a chillier average of 13°C (56°F), the month showcases a delightful winter transition. Nighttime can be quite frosty, with temperatures dropping to a minimum of 0°C (33°F). Rainfall is not uncommon, contributing to the region's lush landscape, with 141 mm (5.6 in) of precipitation spread across 10 days. The air tends to be quite humid, averaging 84%, creating a refreshing atmosphere perfect for holiday festivities and winter explorations. Enjoy the seasonal charm that comes with this dynamic weather!
In December, temperatures in Mount Pleasant begin to reflect the chill of winter, with minimums dropping to around 0°C (33°F). The month features a mild average of 13°C (56°F), which provides a cozy backdrop for holiday festivities, while daytime highs can reach up to 22°C (72°F), offering a surprisingly pleasant respite from the winter cold. This transition into December showcases a gradual decrease in temperatures compared to the milder November, where average lows were around 3°C (38°F). As the year wraps up, these cool yet manageable temperatures create an inviting atmosphere for both residents and visitors alike, encouraging outdoor activities while embracing the seasonal spirit.
In December, Mount Pleasant experiences significant precipitation with an average of 141 mm (5.6 in), making it one of the wetter months of the year. This uptick in rainfall coincides with about 10 days of precipitation, offering a stark contrast to the drier climates of the preceding months. Notably, December’s precipitation levels are higher than those of several summer months, such as June and July, which are typically associated with heavier rainfall. This trend underscores a shift towards winter weather patterns, as the area moves from the hot, humid summer into cooler, wetter conditions. The steady increase in rainfall from November through December signals winter's arrival, enriching the landscape just as the holiday season approaches.
In December, Mount Pleasant experiences a peak in humidity at 84%, marking a notable increase from the preceding months. As the year progresses, humidity levels tend to fluctuate, generally falling between 78% and 82% for most of the year. However, the transition into winter brings a rise, highlighting a trend of increasing moisture in the air as temperatures cool. Notably, December's levels outpace both November's 82% and January's 83%, suggesting that the final month of the year is characterized by a distinct increase in humidity, making it feel particularly damp. This trend contrasts with the more consistent warmth and slightly lower humidity experienced throughout the summer months.
In December, Mount Pleasant experiences a moderate UV Index of 4, with a burn time of approximately 30 minutes—a noticeable dip from the scorching extremes of the summer months. This trend highlights a seasonal shift, as the UV Index was at its peak, reaching 12 in July. As the year progresses from summer to winter, the UV exposure category steadily declines, providing a safer environment for outdoor activities during the cooler season. With burn times increasing and sun exposure becoming less intense, December offers a respite from the more critical months in which caution is paramount. For those planning outdoor adventures this month, it's a good opportunity to enjoy the sunny days while being mindful of the UV rays. For more detailed information, you can visit Mount Pleasant UV Index.
UV Risk Categories
In Mount Pleasant, December offers a delightful contrast to the vibrant summer months, with 220 hours of sunshine illuminating the chilly days. As the year draws to a close, the sunlight gradually diminishes from the peak of 345 hours in July, but it still warms the heart during the winter season. Notably, December experiences a significant decrease from the autumn months, where November basked in 248 hours of daylight. This shift marks a gentle transition into winter, hinting at the cyclical nature of the seasons. Despite the shorter days, the lingering warmth of the sun in December captures the spirit of the holidays and invites residents to enjoy the festive atmosphere.
In Mount Pleasant, the likelihood of sunny weather in December tends to offer a glimmer of hope as the year winds down. At 47%, December's chance of sun slightly exceeds the averages of the preceding months, placing it above the notably dreary days of summer, particularly June and August, where sunshine dips to around 30-32%. Interestingly, December’s sun chance is notably better than the earlier winter months, January and February, which hover near the 39-45% mark. This trend suggests that while winter may bring its fair share of clouds, there’s still ample opportunity to embrace clear, sunny days as the holidays approach.
In Mount Pleasant, the daylight duration experiences a rhythmic ebb and flow throughout the year, peaking during the summer months. December, with its 10 hours of daylight, mirrors the shorter days of January and November, signaling the depths of winter. As the year progresses, daylight gradually increases from the year's darkest month toward the spring’s 12 hours in March, revealing a steady ascent. This trend continues, culminating in the vibrant summer days of 14 hours in both June and July, before the days begin to shorten as autumn approaches. Each season brings its distinct light, reminding residents of the cyclical nature of time and the beauty of change.
As December sweeps into Mount Pleasant, the winds gently whisper at an average speed of 4.7 m/s (10 mph), marking a subtle decline from the brisk breezes of previous months. This dip in wind speed contrasts with the slightly more vigorous autumn days of November, which saw an average of 5.0 m/s (11 mph). Throughout the year, wind speeds have generally fluctuated, peaking around 5.2 m/s during the earlier months and gradually easing, particularly over the summer when July experienced its calmest days at 4.4 m/s (10 mph). The trend suggests a seasonal shift, where December's cooler air brings a soothing, yet steady wind, ideal for cozy gatherings and festive cheer amidst the tranquil winter backdrop.
The weather in Mount Pleasant 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 Mount Pleasant and find detailed weather information for every month.
In December, temperatures range from a minimum of 0°C (33°F) to a maximum of 22°C (72°F), with an average of 13°C (56°F). The month experiences higher precipitation at 141 mm (5.6 in) over about 10 days, along with a humidity level of 84%. In contrast, January sees a drop in minimum temperatures to -5°C (24°F) while maintaining an average of 12°C (53°F) and a similar maximum of 21°C (70°F). Precipitation is significantly lower in January, measuring 66 mm (2.6 in) across 8 days, and humidity remains relatively stable at 83%. For a closer look at the specifics, check out Mount Pleasant weather in January.
December and February weather in Mount Pleasant exhibit some notable differences. In December, temperatures range from a minimum of 0°C (33°F) to a maximum of 22°C (72°F), with an average of 13°C (56°F), alongside higher precipitation levels of 141 mm (5.6 in) over approximately 10 days. The humidity is relatively high at 84%, contributing to a chilly feel. In contrast, February sees slightly warmer temperatures, with a minimum of 2°C (36°F) and an average of 14°C (57°F), reaching a maximum of 21°C (70°F). The month also experiences less rainfall, totaling 91 mm (3.6 in) across about 11 days, and the humidity drops to 79%. For more detailed information, check Mount Pleasant weather in February.
In December, the weather is cooler with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 22°C (72°F), averaging around 13°C (56°F). This month experiences higher precipitation at 141 mm (5.6 in) over approximately 10 days, along with a humidity level of 84%. In contrast, March offers slightly warmer temperatures with a minimum of 2°C (36°F) and a maximum of 23°C (74°F), averaging 15°C (60°F). Precipitation drops significantly to 62 mm (2.4 in) spread over 7 days, and humidity is slightly lower at 79%. For a detailed look at March weather, you can visit Mount Pleasant weather in March.
In December, the weather features cooler temperatures, with a minimum of 0°C (33°F) and an average of 13°C (56°F), peaking at a comfortable 22°C (72°F). The month is wetter, experiencing 141 mm (5.6 in) of precipitation over approximately 10 days, coupled with a relatively high humidity of 84%. In contrast, April brings milder conditions, with minimum temperatures around 6°C (42°F) and average highs reaching 27°C (81°F). The precipitation decreases to 105 mm (4.1 in) over just 8 days, while humidity also drops to 78%. For more detailed insights on weather during this month, check out Mount Pleasant weather in April.
When comparing the weather in December and May, it’s clear that both months showcase distinct climatic features. December experiences cooler temperatures, with a minimum of 0°C and an average of 13°C, while May boasts a warmer range, highlighted by a minimum of 12°C and an average of 23°C. Additionally, May sees significantly less precipitation, measuring 82 mm across 8 days, compared to December's 141 mm over 10 days. Humidity levels are slightly lower in May at 78%, compared to December's 84%. For a more detailed look at weather in May, you can visit Mount Pleasant weather in May.
December and June present contrasting weather patterns. In December, temperatures range from a chilly minimum of 0°C (33°F) to a comfortable maximum of 22°C (72°F), with an average temperature of 13°C (56°F). The month typically experiences significant precipitation, totaling 141 mm (5.6 in) over about 10 days, accompanied by high humidity at 84%. In stark contrast, June boasts higher temperatures, with a minimum of 18°C (64°F) and a maximum reaching 32°C (90°F), resulting in an average of 26°C (79°F). Although June sees slightly more precipitation at 144 mm (5.7 in) spread over 17 days, it benefits from lower humidity at 78%. For a more detailed look at the weather conditions during June, you can check Mount Pleasant weather in June.
When comparing December and July weather, it's clear that these two months offer distinctly different climates. December sees cooler temperatures with an average of 13°C (56°F) and a maximum of 22°C (72°F), while July boasts a much warmer average of 27°C (81°F) and can reach highs of 32°C (89°F). Although December experiences slightly less precipitation, with 141 mm (5.6 in) over 10 days, July is wetter, bringing 171 mm (6.7 in) over 16 days. Humidity levels are similar, with December at 84% and July at 82%. For more specific details on July's weather, you can check Mount Pleasant weather in July.
When comparing the weather in December and August, notable contrasts emerge. December typically sees milder temperatures, with a minimum of 0°C (33°F) and an average high of 22°C (72°F), while humidity levels peak at 84%. In contrast, August boasts significantly warmer conditions, featuring temperatures that range from a minimum of 23°C (73°F) to a maximum of 31°C (89°F) and a slightly lower humidity of 81%. Additionally, August experiences more rainfall, with 197 mm (7.8 in) over 21 days, compared to December's 141 mm (5.6 in) spread over just 10 days. For more details about summer conditions, you can check Mount Pleasant weather in August.
In December, temperatures in Mount Pleasant range from a chilly minimum of 0°C (33°F) to a mild maximum of 22°C (72°F), with an average of 13°C (56°F). This month sees around 141 mm (5.6 in) of precipitation over approximately 10 days, contributing to a relatively humid atmosphere at 84%. In contrast, September offers warmer weather, with temperatures starting at a comfortable minimum of 16°C (61°F) and reaching up to 32°C (90°F), averaging 26°C (79°F). Precipitation is slightly higher at 188 mm (7.4 in) across about 14 days, but humidity is marginally lower at 81%. For more detailed information, you can check Mount Pleasant weather in September.
In comparing the weather between October and December, there are notable differences in temperature and humidity. December experiences a much cooler range, with minimum temperatures dropping to 0°C (33°F) and an average high of 22°C (72°F), while October boasts warmer conditions, featuring minimums of 7°C (46°F) and average highs reaching 29°C (85°F). Additionally, December tends to be wetter, with 141 mm (5.6 in) of precipitation over 10 days compared to October’s 85 mm (3.4 in) during the same number of days. Humidity is also higher in December at 84%, compared to 78% in October. For more details on October weather, check out Mount Pleasant weather in October.
In comparing the weather of December and November, December tends to be slightly cooler with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 22°C (72°F), whereas November's temperatures range from a minimum of 3°C (38°F) to a higher maximum of 26°C (79°F). Additionally, December experiences more precipitation at 141 mm (5.6 in) over 10 days, compared to November's 103 mm (4.1 in) over 8 days. Humidity levels remain similar, with December at 84% and November at 82%. For more detailed insights into November weather, check out Mount Pleasant weather in November.
In December, Mount Pleasant experiences a notable shift in weather compared to the warmer months, characterized by cooler temperatures and increased humidity. Daytime highs can reach a pleasant 22°C (72°F), while nights glide down to chilly 0°C (33°F), making it a time for cozy layers and festive gatherings. The month also sees around 141 mm (5.6 in) of precipitation over 10 days, adding a refreshing touch to the atmosphere. This combination of milder temperatures and heightened moisture creates a unique charm, beautifully contrasting the heat of summer. For more detailed insights into the weather patterns throughout the year, check out Mount Pleasant Climate.