December Weather in Georgetown, United States

Last updated: February 24, 2025

In Georgetown, United States, December presents a chilly yet vibrant atmosphere, where temperatures fluctuate between a maximum of 24°C (75°F) and a minimum of -4°C (26°F), leading to an average temperature of approximately 12°C (53°F). The month is characterized by considerable humidity levels at 84%, contributing to a crisp, invigorating feel in the air. Rainfall is frequent, with an average precipitation of 147 mm (5.8 in) spread across 10 days, enhancing the seasonal charm. Whether you're enjoying the festive decorations or taking part in outdoor activities, December in Georgetown offers a unique blend of winter wonder and seasonal spirit.

December Temperature in Georgetown

In December, Georgetown experiences a noticeable drop in temperatures as winter settles in. The month starts with average lows around -4°C (26°F), reminding residents of the chill, while daytime highs reach a comfortable 24°C (75°F). This range creates a crisp atmosphere as the year draws to a close. With the average temperature hovering at 12°C (53°F), December serves as a bridge between the warm autumn months and the frigid depths of winter, encouraging cozy gatherings and festive celebrations amidst the fluctuating climate. Overall, this month marks a transition, showcasing Georgetown's ability to blend seasonal charm with vibrant social life, even as the cold sets in.

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

The chart illustrates December temperature patterns in Georgetown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505558657378818077705853
Data source: Temperature data for Georgetown 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 Georgetown

December in Georgetown, United States, marks a notable increase in precipitation, with 147 mm (5.8 in) recorded, making it one of the wetter months of the year. This uptick reflects a continuation of the trend observed in the previous months, particularly as the fall months transition into winter. December experiences about 10 days of precipitation, aligning with other late-year months like November, which had 88 mm (3.5 in) over the same number of days. This consistent rainfall not only underscores Georgetown's winter climatic pattern but also sets the stage for the upcoming drier months, as the region typically sees a decline in precipitation from January onward. Overall, December's weather demonstrates a significant shift, infusing the landscape with moisture just before the year draws to a close.

December Precipitation Trends in Georgetown

The chart displays monthly precipitation patterns in Georgetown, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6992751011121551802291856188147
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Georgetown

In Georgetown, the month of December ushers in a notable increase in humidity, reaching 84%, marking the highest level of moisture in the year. This spike aligns with a seasonal trend where humidity tends to fluctuate, peaking during the winter months. After a steady decline from the summer highs of 82% in July and 81% in August, December's humidity reflects a return to wetter conditions, especially when compared to the preceding months, which consistently hovered around the 78% to 82% range. Overall, this trend suggests a characteristic increase in atmospheric moisture as the year draws to a close, contributing to Georgetown's unique winter climate experience.

December Average Humidity in Georgetown

This chart illustrates the average monthly humidity levels in Georgetown, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%79%78%78%78%82%81%81%78%82%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Georgetown

In December, Georgetown experiences a UV Index of 4, categorized as moderate, allowing residents and visitors to enjoy the outdoors safely with a burn time of 30 minutes before the skin risks damage from sun exposure. This marked a significant decrease from the extreme levels observed in the summer months, where the UV Index peaked at 11, demanding cautious sun protection. As the year wraps up, the trend indicates a shift toward milder UV intensity, with levels starting high in the spring and gradually tapering off by winter. For those interested in UV trends throughout the year, detailed insights can be found at Georgetown UV Index.

Maximum UV Index Levels in Georgetown for December

The chart shows the monthly maximum UV Index (UVI) for Georgetown 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.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
Data source: Georgetown 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 Georgetown

In Georgetown, United States, the month of December offers a delightful contrast to the summer sun, as it typically records 216 hours of bright daylight. While this marks a decline from the vibrant 337 hours seen in May, December remains considerably sunnier than the winter months at the year's start. Notably, the trend of increasing sunlight hours peaks in July with 343 hours before gradually tapering off towards the year’s end. This seasonal shift showcases Georgetown's inviting climate, offering a serene blend of cooler winter days coupled with ample opportunities to enjoy the crisp, sunlit afternoons. As the year closes, December's sunshine, though less abundant than the summer months, continues to attract residents and visitors alike to bask in its warm, golden glow.

Monthly Sunshine Duration in Georgetown: December Highlighted

The December sunshine duration represents the total number of hours Georgetown 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.
JanFebMarAprMayJunJulAugSepOctNovDec186h210h273h309h337h319h343h320h301h292h247h216h
Data source: Georgetown December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Georgetown During December

In Georgetown, December brings a 46% chance of sunny weather, closely mirroring the winter season's shifting patterns. Notably, as the year wraps up, the likelihood of sunshine begins to stabilize after the higher rates observed in November, which boasts a sunny probability of 62%. This gradual decline is part of a broader trend, where spring months like April showcase the brightest outlook with 59% sun chances. Throughout the year, sunshine peaks in the spring, before tapering off, while December stands out as a transitional period, hinting at the varied weather dynamics typical for this time of year. As residents prepare for the winter holidays, they can expect a mix of cloudy and clear days, holding onto that nearly even chance of catching some sun amidst the seasonal chill.

Percentage of Sunny Days in December in Georgetown

The chart illustrates the percentage of sunny days in Georgetown 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 Georgetown experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%37%36%59%50%32%38%34%51%48%62%46%
Data source: Georgetown December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Georgetown in December

As December sets in, Georgetown experiences a notable decline in daylight, with the sun gracing the skies for only 9 hours each day. This reduction marks the culmination of a gradual decrease that begins after the summer months, when daylight peaks at a generous 14 hours in June and July. Following this peak, the days shorten as autumn progresses, showcasing a steady decline from 13 hours in August to 10 hours by November. The pattern reflects a familiar rhythm of seasonal change, inviting the cozy warmth of winter evenings and the anticipation of longer days ahead as the year unfolds.

Average Daylight Hours in Georgetown for December

The chart illustrates the variation in daylight duration in Georgetown throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 12m10h 59m11h 59m13h 1m13h 53m14h 18m14h 4m13h 19m12h 19m11h 18m10h 24m9h 58m
Data source: Georgetown daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Georgetown

As December settles in Georgetown, the average wind speed hovers around 3.6 m/s (8 mph), maintaining a similar gentle breeze that characterizes the closing months of the year. Interestingly, the wind speeds show a slight decline from earlier autumn months, transitioning from November's 3.8 m/s (8 mph). This pattern reflects a trend of decreasing winds as the year winds down, with July and August experiencing the calmest conditions at 3.1 m/s (7 mph) and 2.6 m/s (6 mph), respectively. However, as we move towards spring, the wind speeds gradually increase, suggesting a return to livelier breezes. December's winds invite a serene atmosphere, perfect for cozy gatherings indoors while still offering a refreshing touch for those venturing outside.

Average December Wind Speed in Georgetown

The chart displays monthly wind speed patterns in Georgetown, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.83.94.13.83.83.63.12.62.93.43.83.6 m/s
Data source: Georgetown December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Georgetown Compares to Other Months

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

December and January weather in the region exhibits some notable differences, particularly in temperature and precipitation. In December, temperatures range from a minimum of -4°C (26°F) to an average of 12°C (53°F), peaking at 24°C (75°F), with a total precipitation of 147 mm (5.8 in) over about 10 days. This month also experiences higher humidity at 84%. In contrast, January sees lower minimum temperatures, reaching -10°C (14°F), while the average temperature drops slightly to 10°C (50°F), with a maximum remaining similar at 24°C (76°F). Precipitation decreases significantly to 69 mm (2.7 in) over just 8 days, and humidity remains slightly lower at 83%. For more insights on January weather, check Georgetown weather in January.

December and February exhibit notable differences in weather patterns. In December, temperatures range from a chilly minimum of -4°C (26°F) to a relatively warmer maximum of 24°C (75°F), with an average temperature of 12°C (53°F). The month also experiences higher precipitation, totaling 147 mm (5.8 in) over approximately 10 days, contributing to a humidity level of 84%. In contrast, February shows slightly milder temperatures, with a minimum of -2°C (28°F) and a maximum of 26°C (78°F), resulting in an average of 13°C (55°F). Precipitation decreases to 92 mm (3.6 in) while maintaining the same number of wet days, bringing humidity down to 79%. For more detailed insights about the weather in February, visit Georgetown weather in February.

December weather in Georgetown is characterized by cooler temperatures, with a minimum of -4°C (26°F) and an average high of 24°C (75°F). It experiences higher precipitation levels, totaling 147 mm (5.8 in) over about 10 days, and a humidity of 84%, contributing to a damp chill in the air.

In contrast, March brings milder conditions, with temperatures ranging from a minimum of -2°C (28°F) to an average high of 27°C (82°F). Precipitation decreases significantly to 75 mm (2.9 in) over 9 days, and humidity is slightly lower at 79%. This shift marks a transition into the warmer spring months, as reflected in Georgetown weather in March.

In December, temperatures can drop as low as -4°C (26°F), with an average of 12°C (53°F) and highs reaching up to 24°C (75°F). The month is characterized by significant precipitation, totaling 147 mm (5.8 in) over about 10 days, along with a high humidity level of 84%. In contrast, April offers a milder climate, where temperatures start at a minimum of 2°C (35°F), average around 18°C (65°F), and peak at 29°C (84°F). Rainfall is less prevalent, accumulating to 101 mm (4.0 in) over just 8 days, and humidity decreases to 78%. For a more detailed overview of April’s weather, check Georgetown weather in April.

December weather in Georgetown presents a chillier atmosphere, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 24°C (75°F) and an average of 12°C (53°F). The month experiences significant precipitation, totaling 147 mm (5.8 in) over about 10 days, contributing to a relatively high humidity of 84%. In contrast, May welcomes warmer conditions, with temperatures ranging from a minimum of 8°C (48°F) to a peaking maximum of 35°C (95°F) and an average of 23°C (73°F). Drying up slightly, May sees less rainfall at 112 mm (4.4 in) across 9 days, along with a lower humidity level of 78%. For more detailed insights, you can explore Georgetown weather in May.

In December, temperatures range from a chilly minimum of -4°C (26°F) to a pleasant maximum of 24°C (75°F), with an average of 12°C (53°F). The month experiences significant precipitation, totaling 147 mm (5.8 in) across about 10 days, coupled with high humidity at 84%. In contrast, June brings much warmer weather, with temperatures starting at a minimum of 14°C (57°F) and peaking at 34°C (94°F), averaging around 25°C (78°F). This month also sees slightly higher precipitation at 155 mm (6.1 in) over 17 days, but humidity is somewhat lower at 78%. For more insights on June weather, check out Georgetown weather in June.

December and July present stark contrasts in weather patterns. In December, temperatures range from a chilly minimum of -4°C (26°F) to a mild average of 12°C (53°F), peaking at a maximum of 24°C (75°F). The month sees significant precipitation, with 147 mm (5.8 in) falling over about 10 days, accompanied by high humidity levels of 84%. In contrast, July is notably warmer, with minimum temperatures starting at 19°C (66°F) and an average of 27°C (81°F), soaring to a maximum of 33°C (92°F). Rainfall increases in July to 180 mm (7.1 in) across 19 days, while humidity remains relatively high at 82%. For a detailed look at July weather, you can explore Georgetown weather in July.

In December, the weather is cool to mild, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 24°C (75°F) and an average of 12°C (53°F). Precipitation is moderate, totaling 147 mm (5.8 in) over about 10 days, coupled with high humidity levels around 84%. In contrast, August brings significantly warmer conditions, with temperatures varying from a minimum of 20°C (67°F) to a maximum of 34°C (93°F), averaging 27°C (80°F). The month also sees higher rainfall, with 229 mm (9.0 in) spread across 21 days and slightly lower humidity at 81%. For more details on August weather, you can check out Georgetown weather in August.

In December, the weather is notably colder, with average temperatures ranging from a chilly -4°C (26°F) to a warm 24°C (75°F), while September enjoys much milder conditions with temperatures between 13°C (55°F) and a peak of 33°C (92°F). Precipitation is prevalent in both months, but December sees slightly less rainfall at 147 mm (5.8 in) over 10 days compared to September’s 185 mm (7.3 in) over 13 days. Humidity levels are relatively similar, with December at 84% and September slightly lower at 81%. For more detailed information on September weather patterns, you can check Georgetown weather in September.

December weather contrasts sharply with October, showcasing a transition into cooler conditions. In December, temperatures can drop as low as -4°C (26°F), with an average of 12°C (53°F) and a maximum of 24°C (75°F). This month also sees higher precipitation, averaging 147 mm (5.8 in) over about 10 days and increased humidity at 84%. In comparison, October offers a milder climate with minimum temperatures around 5°C (41°F), averages of 21°C (71°F), and peaks reaching 33°C (91°F). Precipitation in October is also significantly lower at 61 mm (2.4 in) over roughly 8 days, accompanied by a humider climate at 78%. For more specific insights, you can check Georgetown weather in October.

In comparing the weather between November and December, December tends to be cooler with a wider temperature range, featuring a minimum of -4°C (26°F) and a maximum of 24°C (75°F). In contrast, November has milder temperatures, with a minimum of 0°C (33°F) and a maximum of 28°C (83°F). Precipitation also increases in December, reaching 147 mm (5.8 in) compared to November's 88 mm (3.5 in), although both months experience precipitation on approximately 10 days. The humidity in December is slightly higher at 84%, compared to November's 82%. For more detailed insights into November's weather, you can check Georgetown weather in November.

Compare Georgetown's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Georgetown

As December rolls in, Georgetown's climate takes on a distinctive character compared to other months. With temperatures dipping to an average of 12°C (53°F), it's notably cooler, making it feel quite different from the balmy summer days. The month sees an increase in precipitation, with about 147 mm (5.8 in) spread over 10 days, creating a refreshing but humid atmosphere, as humidity can reach up to 84%. This blend of cooler temperatures and heightened moisture can lead to a cozy, yet brisk, winter ambiance, perfect for enjoying the local holiday festivities. For more insights into Georgetown's varied weather patterns, check out Georgetown Climate.