Last updated: August 21, 2025
December in Georgetown, Guyana brings warm and humid weather, characterized by an average temperature of 26°C (79°F), peaking at a maximum of 30°C (86°F) and dipping to a pleasant 23°C (74°F) at night. Despite the warmth, this month is marked by considerable precipitation, with an impressive 287 mm (11.3 in) of rainfall spread over approximately 29 days. The high humidity levels, around 77%, create a tropical atmosphere, typical of this vibrant region. Overall, December is a time of lush greenery and vibrant life, inviting both locals and visitors to experience Georgetown's dynamic charm amidst the rainy season.
In December, Georgetown, Guyana experiences a delightful transition into the summer heat, with temperatures maintaining a pleasant warmth. The month's minimum temperature hovers around 23°C (74°F), while the average sits comfortably at 26°C (79°F). Daytime highs reach up to 30°C (86°F), mirroring the warm climate typical of the region as it approaches the New Year. This consistency in warmth throughout December reflects trends in previous months, where temperatures have remained relatively stable, fluctuating only modestly. With this inviting weather, December offers a perfect backdrop for both locals and visitors to enjoy the vibrant culture and outdoor activities that Georgetown has to offer.
In December, Georgetown, Guyana, experiences a significant uptick in precipitation, with an average of 287 mm (11.3 in) falling over 29 days. This month is marked by a blend of persistent rain, characteristic of the region's tropical climate. Compared to the preceding months, December showcases a notable increase in rainfall, trailing only June, which is the wettest month at 398 mm. Interestingly, the frequency of rainy days remains relatively high, consistent with the average of the last months, maintaining a pattern where late-year precipitation peaks. As the year draws to a close, December exemplifies the transition into the wetter season, leaving behind the comparatively drier months of February and March, which record just 101 mm and 134 mm respectively. This trend emphasizes Georgetown's lush, vibrant environment sustained by consistent rainfall, essential for both its rich biodiversity and agricultural practices.
In Georgetown, Guyana, December welcomes a humidity level of 77%, marking a slight increase from November's 79%. This month, the climate continues to show a notable trend of rising moisture, particularly evident during mid-year when humidity peaks at 85% in both June and July. As the year winds down, December's humidity is relatively comfortable compared to the muggy summer months but still higher than the drier start of the year, where January's humidity stands at 74%. Overall, Georgetown’s weather fluctuates from the more breathable levels of early months to the sticky embrace of the rainy season, with December sitting comfortably in between.
In December, Georgetown, Guyana, experiences a UV Index of 12, placing it firmly within the extreme exposure category. This consistent rating throughout the year underscores a notable trend, with monthly UV indices ranging from 12 to 15. Residents and visitors alike should be mindful that even in the rainy season, the threat of sunburn remains sharp, with a burn time of just 10 minutes. As you enjoy the vibrant culture and outdoor beauty of Georgetown, remember to take protective measures against the intense sunshine. For more details on UV levels, visit Georgetown UV Index.
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As December unfolds in Georgetown, Guyana, the city embraces a welcoming glow, offering 295 hours of sunshine that perfectly encapsulates the tropical allure of the season. This month stands as a delightful bridge, often characterized by warm temperatures and plenty of sunlight, mirroring the sun-drenched months of August and September, which boast even higher totals of 329 and 320 hours, respectively. Interestingly, after the lighter hours of June with just 256 hours, a trend emerges where sunshine steadily increases, peaking in March with 331 hours. December, while slightly lower than some peak months, ensures that residents and visitors can bask in a comfortable and lively atmosphere, making it a perfect time for exploration and outdoor activities amidst the festive spirit.
In December, Georgetown, Guyana experiences a notably low 17% chance of sunny weather, positioning it among the least sunny months of the year. This trend reflects a gradual decline from the relatively brighter conditions seen in the earlier months, particularly the peak sunshine in September at 53%. As the year winds down, December stands out with a significant drop, following the 28% likelihood in November. This seasonal shift is indicative of the region's transition into wetter weather patterns, making December a month where overcast skies become more prevalent, and the likelihood of rainfall increases. Travelers seeking sunshine might want to consider other months when Georgetown offers more favorable conditions for outdoor activities.
In Georgetown, Guyana, the daylight duration exhibits a fascinating pattern throughout the year. The months of January and February welcome 11 hours of daylight, a trend that persists into the cooler months of October and November. As spring approaches, daylight gradually extends to 12 hours from March to September, creating a lush and vibrant atmosphere that encourages outdoor activities. However, as the year winds down, daylight returns to 11 hours in December, mirroring the earlier months and marking the end of a cycle. This rhythmic shift not only influences the local climate but also the rhythms of life in this vibrant region.
As December arrives in Georgetown, Guyana, the winds begin to pick up slightly, averaging 3.5 m/s (8 mph). This month marks a subtle transition from the calm of the mid-year breezes, with wind speeds that are higher than the lows recorded in July and August, but still shy of the early year's peaks. The trend throughout the year shows a gradual decline from January's lively gusts, where winds soared to 4.0 m/s (9 mph), culminating in the quieter months of summer. December’s moderate winds offer a refreshing promise of the lively breezes to come in the new year, creating a pleasant atmosphere for both locals and visitors to enjoy this vibrant coastal city.
Weather in Georgetown varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Georgetown, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather typically features warm temperatures with a minimum of 23°C (74°F), an average of 26°C (79°F), and a maximum reaching 30°C (86°F). It is also quite rainy, with a significant 287 mm (11.3 in) of precipitation spread over 29 days and humidity levels at 77%. In contrast, January sees slightly cooler temperatures, maintaining a minimum of 23°C (73°F), an average of 26°C (78°F), and a maximum of 29°C (85°F). The month experiences a marked decrease in precipitation, totaling 146 mm (5.8 in) over 22 days, and humidity declines to 74%. This transition from December to January signifies not only a slight dip in temperature but also a more manageable level of rainfall. For more details on how January weather unfolds, visit Georgetown weather in January.
In December, the weather is relatively warm with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (86°F), accompanied by high humidity levels at 77%. However, it also experiences significant rainfall, with a staggering 287 mm (11.3 in) spread over 29 days. In contrast, February maintains a similar temperature range, with a minimum of 23°C (73°F) and a peak of 29°C (85°F), but it sees a marked decrease in precipitation at 101 mm (4.0 in) across 22 days and lower humidity at 71%. Overall, February offers a drier and slightly less humid alternative to the wetter conditions of December. For more details, you can check the Georgetown weather in February.
In December, the weather is characterized by consistently warm temperatures, ranging from a minimum of 23°C (74°F) to a maximum of 30°C (86°F), with an average of 26°C (79°F). However, this month sees significantly higher levels of precipitation, with 287 mm (11.3 in) spread over 29 days, and humidity levels are relatively high at 77%.
In contrast, March presents a similar temperature profile, with minimums and maximums mirroring those of December. However, the rainfall decreases notably to 134 mm (5.3 in) over just 23 days, contributing to a lower humidity level of 71%. For more details, check out Georgetown weather in March.
In comparing December and April weather, both months share similar temperature ranges, with minimum temperatures around 23°C (74°F), average temperatures close to 26°C (79°F-80°F), and maximum temperatures reaching 30°C (86°F). However, December experiences significantly higher precipitation, with 287 mm (11.3 in) spread over 29 days, compared to April's 154 mm (6.1 in) over just 22 days. Additionally, humidity levels in December are relatively higher at 77%, while April sees a decrease to 70%. For more detailed insights, you can refer to the following link: Georgetown weather in April.
When comparing the weather in December and May, both months display similar temperature ranges, with minimum temperatures hovering around 23-24°C (74-75°F) and maximums reaching 30°C (86-87°F). However, December typically experiences slightly higher humidity at 77% compared to May's 70%. Precipitation levels are also notable, with December receiving 287 mm (11.3 in) of rainfall over 29 days, while May sees a marginally higher total of 309 mm (12.2 in), also spread across 29 days. For more detailed insights into May weather specifically, you can check Georgetown weather in May.
When comparing the weather in December and June, both months exhibit similar temperature ranges, with minimums around 23°C (74°F), average temperatures at 26°C (79°F), and maximums reaching up to 30°C (86°F). However, June typically experiences greater precipitation, with 398 mm (15.7 in) over 29 days, compared to December’s 287 mm (11.3 in) during the same number of days. Additionally, June has a slightly higher humidity level at 85%, compared to December's 77%. For more detailed information, you can check Georgetown weather in June.
In December, temperatures in Georgetown range from a minimum of 23°C (74°F) to a maximum of 30°C (86°F), with an average of 26°C (79°F). The month experiences significant rainfall, totaling 287 mm (11.3 in) over 29 days, and the humidity level is around 77%. In contrast, July sees slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 31°C (88°F), while still maintaining an average of 26°C (80°F). The precipitation in July amounts to 284 mm (11.2 in) over 31 days, along with a higher humidity level of 85%. Overall, both months are characterized by warm temperatures and substantial rainfall, but July tends to be slightly warmer and more humid. For more details, check out Georgetown weather in July.
December and August in Georgetown showcase warm temperatures but differ significantly in precipitation levels. In December, the average temperature hovers around 26°C (79°F) with a maximum of 30°C (86°F), and the region experiences substantial rainfall, totaling 287 mm (11.3 in) across 29 days, along with a high humidity level of 77%. In contrast, August records slightly higher temperatures, with an average of 27°C (81°F) and a peak of 31°C (89°F), but enjoys less rainfall at 177 mm (7.0 in) over 27 days, accompanied by an even higher humidity of 81%. For more detailed information, you can explore Georgetown weather in August.
In December, the weather is slightly cooler with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (86°F), while September experiences warmer temperatures with a minimum of 24°C (76°F) and a maximum of 32°C (90°F). Precipitation in December is considerably higher at 287 mm (11.3 in) over 29 days, compared to September’s 126 mm (4.9 in) over 23 days, making December a wetter month. Humidity remains relatively high in both months, with December at 77% and September at 76%. For more detailed information, you can check out Georgetown weather in September.
In comparing the weather between October and December, October tends to be slightly warmer, with average temperatures reaching 28°C (82°F) and maximum highs of 32°C (89°F). In contrast, December sees a slight drop in temperatures, averaging 26°C (79°F), with a maximum of 30°C (86°F). While both months experience considerable rainfall, December's precipitation is significantly higher at 287 mm (11.3 in) over 29 days, compared to October's 135 mm (5.3 in) over 23 days. Additionally, December's humidity is slightly elevated at 77%, compared to 75% in October, leading to a more humid atmosphere. For those interested in exploring the weather conditions in October, detailed information can be found at Georgetown weather in October.
In comparing the weather between November and December, December experiences slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 30°C (86°F), compared to November's minimum of 24°C (76°F) and maximum of 31°C (88°F). Both months have similar average temperatures, but December sees more precipitation, totaling 287 mm (11.3 in) over 29 days, while November has 234 mm (9.2 in) across 27 days. Humidity levels remain high in both months, with December at 77% and November slightly higher at 79%. For more detailed weather insights, you can explore Georgetown weather in November.
In December, Georgetown experiences a notable shift in weather patterns that sets it apart from other months. With temperatures averaging around 26°C, December boasts a warm, humid climate, consistently hovering around 77% humidity. This month also sees an increase in precipitation, with rain gracing the city on nearly every day, contributing to a total of 287 mm of rainfall. The combination of heat, humidity, and frequent showers creates a uniquely tropical atmosphere that invites both residents and visitors to embrace the lush, vibrant environment. For more insights on what to expect, visit Georgetown Climate.