Last updated: February 24, 2025
In December, Southampton experiences a brittle chill with an average temperature of 5°C (42°F), while maximums can reach up to 16°C (61°F). The month can be quite frosty, with minimum temperatures plunging to -9°C (16°F). Rainfall is moderate, accumulating about 152 mm (6.0 in) over roughly 11 days, contributing to an 80% humidity level that underscores the season's dampness. Residents and visitors alike should prepare for varying weather conditions, making winter wear essential for outdoor activities.
In December, Southampton, United States experiences a distinct shift towards winter, characterized by a notable drop in temperatures. The month begins with minimums chilling down to -9°C (16°F), providing a stark contrast to the milder autumn temperatures. The average temperature settles around 5°C (42°F), making it the coldest month of the year, yet maximum highs reach a comfortable 16°C (61°F), allowing for occasional reprieve from the icy grip. As December unfolds, the combination of crisp air and fleeting sunny days invites residents to embrace the season, setting the stage for a picturesque winter.
In December, Southampton experiences a notable increase in precipitation, with 152 mm (6.0 in) falling over 11 days. This marks a significant rise compared to preceding months, reflecting a trend of heightened moisture as winter approaches. Interestingly, this month stands out for its robust rainfall, just behind October's peak, reinforcing the idea that late fall and early winter bring the region some of its wettest weather. As temperatures drop, the persistent precipitation contributes to the overall seasonal ambiance, making December in Southampton a month characterized by both the beauty and challenges of winter weather.
In December, humidity levels in Southampton hover around a comfortable 80%, making this month a transitional period as the year comes to a close. Following a notable rise in humidity from October's 74%, December marks a slight decrease from November's 82%. This trend illustrates a general decline in humidity as the seasons shift from the summer's warm embrace. From May's low of 69% to July's dry peak of 62%, humidity steadily rises as the year progresses, eventually peaking again in November. As winter approaches, Southampton's December humidity offers a refreshing yet crisp atmosphere, contributing to the enchanting charm of the season.
In December, Southampton enjoys a notable drop in the UV Index, registering at 2, which falls into the low exposure category. This decrease signals a welcome break from the intense rays of summer, where values peaked at 10 in June and July. Residents and visitors can safely bask in the winter sun for about 45 minutes before risking sunburn, making it a perfect time for outdoor activities without the typical sunscreen concerns. As the year winds down, this trend reflects an overall seasonal shift in UV exposure, transitioning from the very high levels of mid-year to the gentler winter sun. For more detailed information, explore the Southampton UV Index.
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December in Southampton, United States, ushers in a notable shift in daylight as the year draws to a close. With 177 hours of sunshine, the month reflects a gradual decline from the sun-drenched peak of July with its impressive 349 hours. While December's sunshine is less than the vibrant summer months, it still outshines the chilly January, which only enjoys 153 hours. This trend underscores the gentle tapering of daylight during the winter months, creating a cozy ambiance perfect for festive cheer. Despite the shorter days, Southampton still receives a noteworthy amount of sunshine, making December a blend of bright moments amid the seasonal chill.
When it comes to the likelihood of sunny weather in December in Southampton, United States, the forecast suggests a modest 32% chance of sunshine. This marks a noticeable dip compared to the preceding months, particularly November, which enjoys a more favorable 54% chance. Observing the trends throughout the year, it's clear that sunny days become less common as winter approaches, with December’s probability reflecting the gloomier conditions typical of the season. While some months like March and April boast higher chances of sunshine, December's wintry demeanor signifies a shift towards cooler, overcast days. Thus, for those in Southampton dreaming of a sunny holiday season, it may be wise to prepare for a bit of cloud cover instead.
In Southampton, December marks the return of shorter days, with only 9 hours of daylight reminiscent of the earlier winter months. As the year progresses from January onwards, daylight gradually increases, reaching its peak in the vibrant month of June with a generous 15 hours. This trend highlights the cyclical nature of seasons, where longer days in spring and summer transition to the more subdued hours of late fall and winter. By December, the daylight duration levels off at 9 hours, mirroring January's brief days, suggesting a comforting consistency amid the year’s ebb and flow of light. As winter settles in, residents can look forward to the gradual return of longer days in the coming months.
In Southampton, United States, December marks a gentle transition as the average wind speed registers at 6.3 m/s (14 mph). This follows a trend of gradually declining winds from the robust start of the year, with January's 7.0 m/s (16 mph) as the peak. As the seasons progress, wind speeds consistently decrease, with July and August experiencing some of the calmest conditions at 4.6 m/s (10 mph). However, come fall, there’s a slight uptick as November’s winds return to 6.5 m/s (15 mph), hinting at the colder months ahead. December's breezes create a refreshing chill, providing a crisp backdrop to the winter landscape while teasing the onset of the new year.
The weather in Southampton 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 Southampton and find detailed weather information for every month.
December's weather is generally milder than January's, with average temperatures ranging from a minimum of -9°C (16°F) to a maximum of 16°C (61°F), while January sees colder lows dipping to -13°C (8°F) and highs reaching only 13°C (55°F). Despite December's warmer days, it experiences more precipitation at 152 mm (6.0 in) over 11 days, compared to January's 90 mm (3.5 in) over 9 days. Humidity also remains relatively high in both months, measuring 80% in December and slightly increasing to 84% in January. For more details, you can check Southampton weather in January.
When comparing December and February weather, December tends to be milder overall, with average temperatures reaching 5°C (42°F), peaking at 16°C (61°F). In contrast, February experiences lower temperatures, with an average of 2°C (37°F) and a maximum of 12°C (53°F). Precipitation levels are relatively similar, with December receiving 152 mm (6.0 in) over 11 days, while February has slightly less at 127 mm (5.0 in) across 12 days. Additionally, humidity remains high in both months, with December at 80% and February at 82%. For more details about weather conditions specific to February, you can check Southampton weather in February.
In December, the weather is characterized by colder temperatures, with averages ranging from a minimum of -9°C (16°F) to a maximum of 16°C (61°F), and a higher average precipitation of 152 mm (6.0 in) over approximately 11 days. The humidity level is substantial at 80%, which can make the cold feel even more biting. In contrast, March experiences slightly milder temperatures, with a minimum of -7°C (20°F) and a maximum of 15°C (59°F), alongside less precipitation at 112 mm (4.4 in) over about 10 days. The humidity remains high at 81%, providing a comparable dampness to December but with the promise of spring on the horizon. For more detailed information on March weather, you can check Southampton weather in March.
December and April present contrasting weather patterns. In December, temperatures can plunge as low as -9°C (16°F), while averaging around 5°C (42°F) and peaking at 16°C (61°F). This month is also characterized by higher precipitation, totaling 152 mm (6.0 in) over approximately 11 days, coupled with a humidity level of 80%. In contrast, April experiences milder temperatures, with minimums around 0°C (32°F), an average of 8°C (47°F), and maximums reaching up to 17°C (63°F). The level of precipitation is slightly lower at 139 mm (5.5 in) across 12 days, while humidity is just a touch lower at 78%. For more details on April weather in this region, check out Southampton weather in April.
In December, the weather is notably colder, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 16°C (61°F), and an average of 5°C (42°F). This month also experiences higher humidity at 80% and significant precipitation of 152 mm (6.0 in) over 11 days. In contrast, May brings milder conditions, with temperatures between 4°C (39°F) and 21°C (70°F), averaging 13°C (55°F). Although May has slightly less precipitation at 130 mm (5.1 in), it still occurs over a longer span of 13 days and features lower humidity at 69%. For more details on the weather dynamics of May, you can check Southampton weather in May.
December and June present markedly different weather conditions. December experiences colder temperatures, with a minimum that can plunge to -9°C (16°F) and an average around 5°C (42°F), while the maximum reaches only 16°C (61°F). Precipitation is significant during this month, totaling 152 mm (6.0 in) over approximately 11 days, along with high humidity levels averaging 80%. In contrast, June offers a much milder climate, with temperatures ranging from a minimum of 11°C (52°F) to an average of 18°C (65°F) and a maximum of 25°C (77°F). Rainfall is lighter, at 72 mm (2.8 in) over about 8 days, and the humidity is lower, averaging 69%. For a closer look at what to expect specifically in June, you can check Southampton weather in June.
When comparing the weather in December and July, it's clear that these two months present stark contrasts. December experiences colder temperatures, with a minimum of -9°C (16°F) and an average of 5°C (42°F), peaking at 16°C (61°F). Additionally, it sees considerable precipitation, totaling 152 mm (6.0 in) over 11 days, coupled with higher humidity at 80%. In contrast, July boasts much milder conditions, with temperatures ranging from a minimum of 16°C (62°F) to an average of 23°C (73°F), and a maximum of 29°C (84°F). Precipitation during this month is lower, at 105 mm (4.1 in) across the same number of days, and humidity drops to a more comfortable 62%. For a deeper dive into July weather specifics, check out Southampton weather in July.
December and August present stark contrasts in weather. In December, temperatures can drop as low as -9°C (16°F) and generally hover around an average of 5°C (42°F), with a maximum of 16°C (61°F). The month is characterized by higher precipitation, totaling 152 mm (6.0 in) over approximately 11 days, coupled with a humidity level of 80%. In contrast, August boasts milder temperatures, with a minimum of 17°C (63°F), an average of 23°C (74°F), and a maximum of 28°C (83°F). Precipitation is less prevalent at 100 mm (3.9 in) over about 10 days, and the humidity is lower at 65%. For more specific details about August weather, you can visit Southampton weather in August.
December and September present a marked contrast in weather conditions. In December, temperatures can dip as low as -9°C (16°F), with an average of 5°C (42°F) and a maximum of 16°C (61°F). In comparison, September enjoys milder weather with minimum temperatures around 12°C (55°F), averaging 20°C (69°F), and peaking at 27°C (81°F). Additionally, December is much wetter, with 152 mm (6.0 in) of precipitation over 11 days, compared to September's 97 mm (3.8 in) over just 10 days. The humidity also feels more pronounced in December at 80%, while September offers a more comfortable 68%. For more specifics on September weather, visit Southampton weather in September.
In comparing the weather between December and October, it's clear that December is significantly colder, with average temperatures ranging from a minimum of -9°C (16°F) to a maximum of 16°C (61°F), while October enjoys milder temperatures, averaging a minimum of 6°C (42°F) and peaking at 25°C (77°F). Additionally, December experiences a higher humidity level at 80%, contributing to a chillier, more uncomfortable atmosphere compared to October's 74%. Precipitation levels are relatively similar, with December receiving 152 mm over 11 days and October slightly higher at 159 mm across 13 days. For a more detailed look at October weather patterns, you can visit Southampton weather in October.
In comparing the weather of December and November, December tends to be colder overall, with average temperatures dropping from a milder 10°C (50°F) in November to just 5°C (42°F). The minimum temperatures in December reach a chilling -9°C (16°F), whereas November's lows are comparatively warmer at -5°C (24°F). Precipitation also increases in December, totaling 152 mm (6.0 in) over 11 days, compared to November's 111 mm (4.4 in) over 10 days. Humidity remains high in both months, slightly decreasing from 82% in November to 80% in December. For a more detailed look at November weather, you can visit Southampton weather in November.
December in Southampton marks a notable shift in weather, as this month brings cooler temperatures and increased precipitation compared to the rest of the year. With an average temperature that dips significantly and reaches lows that can plummet to -9°C (16°F), it's a time when residents and visitors alike should be prepared for winter's embrace. The 80% humidity adds a crisp chill to the air, making those 11 days of rain feel particularly biting. While the month may be dreary, it also sets the stage for a cozy ambiance, perfect for gathering indoors. For those looking to understand more about the region's climatic shifts, check out Southampton Climate.