December Weather in Trindade, Sao Tome and Principe

Last updated: August 31, 2025

December in Trindade, São Tomé and Príncipe, presents a tropical climate characterized by warm temperatures and high humidity. During this month, expect daily maximum temperatures around 28°C (82°F), with an average of 26°C (80°F) and a minimum of 25°C (76°F). Rain is a significant feature, as the region experiences heavy precipitation totaling 257 mm (10.1 in) over 28 days, contributing to a humidity level of 76%. Visitors can anticipate frequent showers, which enhance the lush landscape of this beautiful island.

December Temperature in Trindade

In December, Trindade, São Tomé and Príncipe experiences mild and inviting temperatures, with a minimum of 25°C (76°F) and a comfortable average of 26°C (80°F). The weather reaches a delightful maximum of 28°C (82°F), creating a warm ambiance perfect for enjoying the island's stunning beaches and lush landscapes. Notably, temperatures remain consistent with the preceding months, reflecting a steady tropical climate that characterizes this region year-round. As the year draws to a close, visitors can look forward to pleasant weather that encourages exploration and relaxation in this beautiful paradise.

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

The chart illustrates December temperature patterns in Trindade, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trindade, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec808181818078767677787979
Data source: Temperature data for Trindade generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Trindade

December in Trindade, São Tomé and Príncipe marks the peak of the rainy season, showcasing a significant surge in precipitation with an impressive 257 mm (10.1 in) of rainfall over 28 days. This stark increase follows a wet November, which itself saw 229 mm (9.0 in), highlighting an upward trend as the year draws to a close. As the final month of the year, December presents a striking contrast to the drier months of June and July, which combined recorded only 20 mm (0.8 in) across a mere 10 days. This pattern indicates a clear seasonal shift, with frequent showers dominating the landscape, nurturing the lush vegetation that characterizes this tropical paradise. As the year ends, December stands out not only for its rainfall but also for its role in sustaining the rich biodiversity of the region.

December Precipitation Trends in Trindade

The chart displays monthly precipitation patterns in Trindade, 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. In Trindade, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12913014815915439172654171229257
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Trindade

In Trindade, Sao Tome and Principe, December brings a humidity level of 76%, maintaining a moderately humid environment that characterizes the region throughout the year. As we look back over the months, a clear trend emerges: humidity levels peak in the latter part of the year, particularly from August to September, where they soar to 83% and 86% respectively. This seasonal increase likely contributes to the lush, verdant landscapes the island is famed for. Despite the small dip in November, December's humidity remains high, suggesting a consistent tropical climate that is both warm and enveloping. Residents and visitors alike can expect a rich, humid atmosphere that supports the island's vibrant ecology during this time of year.

December Average Humidity in Trindade

This chart illustrates the average monthly humidity levels in Trindade, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Trindade is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%73%74%75%76%77%83%86%85%81%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Trindade

In December, the UV Index in Trindade, São Tomé and Príncipe reaches 12, indicating an extreme exposure category with a burn time of just 10 minutes. This follows a trend observed throughout the year, with several months recording similarly high indices; from January through April, the UV Index consistently hovered between 12 and 14. Even during the cooler months, such as June and July, the figures only dip slightly to 10, still categorized as very high. As the year comes to a close, residents and visitors should remain vigilant, taking necessary precautions to protect their skin from potential harm. For further details on UV levels throughout the year, check out the Trindade UV Index.

Maximum UV Index Levels in Trindade for December

The chart shows the monthly maximum UV Index (UVI) for Trindade 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. In December, the maximum UV index in Trindade typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121313141310101113131312
Data source: Trindade 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 Trindade

In Trindade, São Tomé and Príncipe, December shines brightly with an impressive 290 hours of sunshine, marking a delightful end to the year. This month is part of a trend of increasing sunlight that begins in the earlier months, peaking in September with 295 hours. The first half of the year sees steady sunshine, but it’s during the latter months that the sun truly asserts its presence, culminating in a beautiful December. As the year rounds out, this surge in daylight not only enhances the vibrant landscapes but also invites visitors to revel in the warm tropical atmosphere, making it an ideal time for exploration and relaxation.

Monthly Sunshine Duration in Trindade: December Highlighted

The December sunshine duration represents the total number of hours Trindade 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.
JanFebMarAprMayJunJulAugSepOctNovDec250h260h279h269h272h277h289h291h295h274h268h290h
Data source: Trindade December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Trindade During December

In Trindade, Sao Tome and Principe, the likelihood of enjoying sunny weather in December stands at 24%, making it a slightly brighter option compared to the preceding months. As the year progresses, a noticeable fluctuation in sunny days emerges; July boasts the highest likelihood at 33%, while early months like March see a dip to just 16%. After November's relatively pleasant 27%, December offers a modest return to sunshine, hinting at the region's variability in weather. This trend suggests that while December may not guarantee abundant sunny days, it certainly holds a better chance of clear skies than many other months throughout the year.

Percentage of Sunny Days in December in Trindade

The chart illustrates the percentage of sunny days in Trindade 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 Trindade experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%21%16%19%27%23%33%27%22%19%27%24%
Data source: Trindade December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Trindade in December

In Trindade, Sao Tome and Principe, the daylight duration remains remarkably consistent throughout the entire year, with each month boasting 12 hours of daylight. This uniformity not only enhances the island's tropical vibe but also creates a predictable rhythm for both residents and visitors alike. Whether it's the sunny days of summer or the cooler months of winter, the dance of day and night offers an inviting and stable environment. In December, just like every other month, the average of 12 hours of sunlight allows for ample time to explore the lush landscapes and vibrant culture that this enchanting locale has to offer.

Average Daylight Hours in Trindade for December

The chart illustrates the variation in daylight duration in Trindade throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 5m12h 5m12h 5m12h 6m12h 7m12h 7m12h 7m12h 6m12h 6m12h 5m12h 5m12h 5m
Data source: Trindade daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Trindade

In Trindade, São Tomé and Príncipe, the December winds begin to calm down, as evidenced by the average wind speed dipping to 3.6 m/s (8 mph). This slight decrease continues a trend observed from the gustier months of June to August, when winds peaked at 5.8 m/s (13 mph). As the year draws to a close, December's breezes reflect the softer, more tranquil atmosphere of the island, contrasting with the year’s earlier, more vigorous winds. This transition indicates a return to the gentler coastal winds of the winter months, making December an ideal time for those seeking a serene escape and a chance to enjoy the picturesque landscapes without the distraction of stronger currents.

Average December Wind Speed in Trindade

The chart displays monthly wind speed patterns in Trindade, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.73.93.24.15.45.45.85.45.04.33.6 m/s
Data source: Trindade December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Trindade Compares to Other Months

Weather in Trindade varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Trindade, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, temperatures range from a minimum of 25°C (76°F) to a maximum of 28°C (82°F), with an average of 26°C (80°F), coupled with a significant amount of precipitation measuring 257 mm (10.1 in) over 28 days, contributing to a humidity level of 76%. In contrast, January sees slightly cooler temperatures with a minimum of 24°C (76°F) and a maximum of 28°C (83°F), averaging at 27°C (80°F). The precipitation during this month drops noticeably to 129 mm (5.1 in) spread over 21 days, resulting in a marginally lower humidity of 75%. For more detailed information, you can check out Trindade weather in January.

December and February share similar warm temperatures, with December recording a minimum of 25°C (76°F), an average of 26°C (80°F), and a maximum of 28°C (82°F). In contrast, February sees a slight increase, with temperatures ranging from a minimum of 25°C (76°F) to a maximum of 29°C (84°F) and an average of 27°C (81°F). However, February experiences significantly less precipitation, with 130 mm (5.1 in) falling over 19 days compared to December's higher 257 mm (10.1 in) across 28 days. The humidity remains relatively consistent, hovering around 75-76%. For more details on February weather, check out Trindade weather in February.

In December, the weather typically features warm temperatures with a minimum of 25°C (76°F), averaging around 26°C (80°F) and peaking at 28°C (82°F). This month also sees considerable precipitation, totaling 257 mm (10.1 in) over 28 days and a humidity level of 76%, resulting in a fairly humid atmosphere. In contrast, March experiences slightly higher temperatures, with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). Precipitation in March is significantly lower at 148 mm (5.8 in) across 20 days, and the humidity drops slightly to 73%. For more detailed weather insights, check out Trindade weather in March.

In comparing the weather between December and April, both months experience warm temperatures, with December showing a minimum of 25°C (76°F) and an average of 26°C (80°F), while April features slightly warmer averages, with a minimum of 25°C (77°F) and an average of 27°C (81°F). Although both months are humid, December has a slightly higher humidity level at 76% compared to April's 74%. Precipitation also plays a significant role; December sees 257 mm (10.1 in) of rain over 28 days, whereas April has considerably less, with 158 mm (6.2 in) over 17 days. For a more detailed look at April’s weather, you can visit Trindade weather in April.

In December, the weather tends to be quite humid and wet, with average temperatures hovering around 26°C (80°F) and frequent rainfall, amounting to 257 mm (10.1 in) over 28 days. In contrast, May offers slightly warmer temperatures, with an average of 27°C (80°F) and maximums reaching 29°C (84°F), while experiencing significantly less precipitation at 154 mm (6.1 in) over 20 days. The humidity in May is slightly lower at 75%, making for a more comfortable atmosphere compared to the stickier conditions of December. For a detailed look at the weather in May, visit Trindade weather in May.

In December, the weather is noticeably warmer, with average temperatures ranging from a minimum of 25°C (76°F) to a maximum of 28°C (82°F). This month also experiences significant rainfall, with 257 mm (10.1 in) of precipitation across 28 days, contributing to a humid atmosphere with a steady humidity of 76%. In contrast, June offers slightly cooler temperatures, with averages between 23°C (74°F) and 27°C (81°F). The precipitation drops dramatically to 39 mm (1.5 in) over just 7 days, while humidity remains consistent at 76%. For more details on the weather in June, check out Trindade weather in June.

In comparing the weather between December and July, December presents warmer temperatures, with a minimum of 25°C (76°F) and an average of 26°C (80°F), while July's temperatures range slightly cooler, with a minimum of 22°C (73°F) and an average of 24°C (76°F). Moreover, December experiences significantly higher precipitation, accumulating 257 mm (10.1 in) over 28 days, compared to July's mere 17 mm (0.7 in) across just 3 days. Despite both months sharing the same humidity level of 76%, the contrast in rainfall and temperature makes December a much wetter and warmer month than July. For more details, check Trindade weather in July.

December and August display distinct weather patterns. In December, temperatures are slightly warmer, with averages of around 26°C (80°F) and highs reaching 28°C (82°F). However, this month also brings significant rainfall, with 257 mm (10.1 in) of precipitation spread over 28 days and humidity levels at 76%. In contrast, August features milder temperatures, with averages of 24°C (76°F) and maximums around 26°C (79°F), but it is much drier, receiving only 26 mm (1.0 in) of rainfall across just 6 days and exhibiting higher humidity at 83%. For more insights on August weather, check out Trindade weather in August.

In December, the weather is slightly warmer than in September, with average temperatures ranging from a minimum of 25°C (76°F) to a maximum of 28°C (82°F). In contrast, September sees a cooler temperature range with minimums at 24°C (75°F) and maximums at 26°C (80°F). Additionally, December experiences significantly higher rainfall, with 257 mm (10.1 in) over 28 days, compared to just 53 mm (2.1 in) over 9 days in September. The humidity levels also differ, being slightly lower in December at 76%, while September has a higher humidity at 86%. For more detailed information, you can refer to Trindade weather in September.

In comparing the weather of December and October, both months exhibit warm temperatures with only slight variations. December temperatures range from a minimum of 25°C (76°F) to a maximum of 28°C (82°F), while October's temperatures are just a notch lower, with a minimum of 24°C (76°F) and a maximum of 27°C (81°F). Notably, December experiences significantly higher precipitation, totaling 257 mm (10.1 in) over 28 days, compared to October's 171 mm (6.7 in) across 25 days. Additionally, humidity levels in October are slightly higher at 85%, compared to December's 76%. For more detailed insights on October weather, you can check Trindade weather in October.

In comparing the weather between November and December, both months exhibit warm temperatures with minimal variation. December shows a slightly higher minimum temperature of 25°C (76°F) compared to November's 24°C (76°F), while the average and maximum temperatures remain consistent at 26°C (79°F) and 28°C (82°F) respectively. However, December experiences more rain, with 257 mm (10.1 in) of precipitation over 28 days, in contrast to November’s 229 mm (9.0 in) over 27 days. Humidity levels are slightly lower in December at 76%, compared to November’s 81%. For a closer look at November weather specifics, you can check Trindade weather in November.

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Conclusion: What to Expect From December Weather in Trindade

December in Trindade brings a shift in weather dynamics, characterized by noticeably warmer temperatures and a significant increase in rainfall compared to other months. The average temperature rises, offering a tropical warmth that invites outdoor exploration. However, visitors should be prepared for the pervasive humidity, as the island experiences frequent precipitation, making it one of the wettest months of the year. With nearly every day receiving some rain, December's lush landscapes are a testament to this vibrant climate. For more in-depth information, check out Trindade Climate.