December Weather in Bartica, Guyana

Last updated: August 21, 2025

December in Bartica, Guyana, offers a tropical climate characterized by a maximum temperature of 31°C (87°F) and an average of 26°C (78°F), creating a warm and inviting atmosphere. The weather remains consistently humid, with levels reaching 77%, while residents and visitors alike can expect considerable rainfall, with 252 mm (9.9 in) accumulated over 29 days. This month sets the stage for a lush, green environment, though the frequent showers may require some indoor planning. Overall, December’s weather in Bartica paints a vibrant portrait of tropical life, beckoning those who appreciate a warm yet wet climate.

December Temperature in Bartica

In December, Bartica, Guyana experiences a delightful shift in temperatures, marking a transition to the wetter season. The minimum temperature hovers at a comfortable 21°C (71°F), while the average temperature remains steady around 26°C (78°F), creating a pleasant environment for outdoor activities. Daytime highs reach up to 31°C (87°F), slightly cooling from the hotter months preceding it. This stability in warmth, combined with the onset of increased rainfall, makes December an inviting time for visitors to explore the lush landscapes and vibrant culture of Bartica. Overall, the month strikes a harmonious balance between warmth and occasional refreshing showers, enhancing the charm of this riverside gem.

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

The chart illustrates December temperature patterns in Bartica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bartica, 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).
JanFebMarAprMayJunJulAugSepOctNovDec777778797979798081817978
Data source: Temperature data for Bartica 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 Bartica

In December, Bartica, Guyana, experiences a noteworthy increase in precipitation, with 252 mm (9.9 in) of rainfall over 29 days. This marks a significant uptick from November's totals and reflects the region's wet season momentum. The trend showcases a consistent pattern of higher rainfall as the year progresses, culminating in both May and June as the wettest months. December’s persistent drizzle aligns with the overall rainy season, reminding residents that the lush landscape thrives on this abundant moisture. As the year wraps up, the steady rain serves to enhance the verdant beauty of Bartica, despite the frequent downpours.

December Precipitation Trends in Bartica

The chart displays monthly precipitation patterns in Bartica, 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 Bartica, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec13187123160349405327225140152242252
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bartica

In December, Bartica, Guyana, experiences a relatively moderate humidity level of 77%, which is a slight uptick from the 75% recorded in October. This month marks a transition to the wetter part of the year, as humidity typically peaks in the following months of June and July at an elevated 85%. The trend over the year reveals a peak during the mid-year wet season, with humidity steadily decreasing from its highest point in the summer months towards the drier quarters of the year in the spring. December's humidity showcases a lingering, tropical atmosphere, perfect for those looking to embrace the vibrant, lush surroundings of Bartica as it prepares for the rainy season ahead.

December Average Humidity in Bartica

This chart illustrates the average monthly humidity levels in Bartica, 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 Bartica is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%71%71%70%70%85%85%81%76%76%79%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bartica

In December, Bartica, Guyana experiences a UV Index of 12, categorized as extreme, with a burn time of just 10 minutes. This marks a slight decrease from the peak values observed in the earlier months, particularly March and April, when the UV Index reached a maximum of 15. Throughout the year, the region consistently sees high UV levels, with most months maintaining the extreme category and a burn time that remains alarmingly short. As the holiday season unfolds, it's essential for residents and visitors to stay vigilant about sun protection. For more detailed information on UV exposure trends in Bartica, check out the Bartica UV Index.

Maximum UV Index Levels in Bartica for December

The chart shows the monthly maximum UV Index (UVI) for Bartica 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 Bartica typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131415151413131313131212
Data source: Bartica 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 Bartica

In Bartica, Guyana, December experiences a vibrant 278 hours of sunshine, marking a notable end to the year's solar bounty. This month showcases a dip from the peak brightness of March, which boasts 318 hours, yet it remains stronger than the early months of the year. The trend reveals that sunshine peaks during the mid-year months, with August and September delivering an impressive 314 and 312 hours respectively, providing plenty of opportunities for outdoor adventures. As the year wraps up, December offers a lovely average of sunlight, striking a balance between the high-energy months of summer and the cooler, cloudier days of the upcoming rainy season. This variation in sunshine hours not only enhances the local landscape but also invites residents and visitors alike to bask in the warmth before the year transitions into a new cycle.

Monthly Sunshine Duration in Bartica: December Highlighted

The December sunshine duration represents the total number of hours Bartica 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.
JanFebMarAprMayJunJulAugSepOctNovDec252h282h318h298h265h230h289h314h312h312h274h278h
Data source: Bartica December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bartica During December

In December, Bartica, Guyana, experiences a notable dip in sunny weather, with only a 15% chance of sun compared to earlier months. This marks a consistent downward trend from the previous months, where opportunities for sunshine peaked in September at 47% and remained relatively higher in October and November. As the year wraps up, December typically ushers in cloudier skies, suggesting that those looking for bright, sunny days might want to plan their outdoor activities for earlier in the year, especially from February to August when the sun's chances rise significantly.

Percentage of Sunny Days in December in Bartica

The chart illustrates the percentage of sunny days in Bartica 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 Bartica experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%33%26%17%17%23%20%31%48%30%28%15%
Data source: Bartica December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bartica in December

In December, Bartica, Guyana experiences about 11 hours of daylight, consistent with the preceding months of January, February, and November. Throughout the year, the region showcases a delightful trend where daylight hours peak at 12 from March to August, offering lengthy days filled with sunlight, ideal for outdoor activities. As the year winds down, the daylight gradually reduces, returning to the 11-hour mark in October and December. This rhythmic cycle not only highlights Bartica's tropical climate but also enhances the charm of its lush landscapes as the seasons change.

Average Daylight Hours in Bartica for December

The chart illustrates the variation in daylight duration in Bartica throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 47m11h 54m12h 4m12h 15m12h 24m12h 28m12h 26m12h 18m12h 7m11h 57m11h 48m11h 44m
Data source: Bartica daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Bartica

As December arrives in Bartica, Guyana, the wind begins to gently stir the air with an average speed of 1.9 m/s (4 mph). This slight increase from the calmness of the earlier months reflects a subtle transition as the year winds down. Throughout the year, January and February boast the highest wind speeds, reaching 2.2 and 2.6 m/s (5 and 6 mph) respectively, creating a breezy atmosphere perfect for outdoor activities. However, by mid-year, winds ease considerably, dipping to a tranquil 1.3 m/s (3 mph) in both July and August. As the humidity settles in the latter months, December offers a modest uptick in wind, signaling a gentle farewell to the year while still maintaining the serene essence that characterizes this vibrant region.

Average December Wind Speed in Bartica

The chart displays monthly wind speed patterns in Bartica, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.62.42.12.01.71.31.31.61.81.71.9 m/s
Data source: Bartica December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Bartica Compares to Other Months

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

In December, the weather is characterized by slightly warmer temperatures, with an average of 26°C (78°F) and maximum highs reaching 31°C (87°F). However, it also brings significantly higher precipitation, totaling 252 mm (9.9 inches) over 29 days, along with a humidity level of 77%. In contrast, January sees a slight dip in the average temperature to 25°C (78°F), with similar maximum highs of 31°C (88°F). The month is notably drier, with only 131 mm (5.2 inches) of rainfall over 21 days and a lower humidity of 74%. For more details on January weather, you can check Bartica weather in January.

In December, the weather tends to be quite humid with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 31°C (87°F). This month sees significant rainfall, averaging 252 mm (9.9 in) over 29 days, resulting in a humidity level of 77%. In contrast, February experiences slightly cooler average temperatures, with a minimum of 21°C (69°F) and a maximum of 31°C (88°F), but less precipitation, totaling 87 mm (3.4 in) over 21 days, and a drop in humidity to 71%. This makes February’s weather comparably drier and more comfortable than December. For a deeper look at February's conditions, check out this link: Bartica weather in February.

When comparing the weather in December and March, both months exhibit similar temperature ranges with minimums around 21°C (70-71°F) and averages close to 26°C (78°F). However, December sees a higher maximum temperature of 31°C (87°F) compared to 31°C (89°F) in March. Precipitation is significantly greater in December, with 252 mm (9.9 in) over 29 days, while March experiences only 123 mm (4.8 in) across 19 days. Additionally, humidity levels are higher in December at 77%, compared to 71% in March, making December feel more humid overall. For more detailed information about March weather, you can check Bartica weather in March.

When comparing the weather in December and April, December typically features slightly lower temperatures, with a minimum of 21°C (71°F) and a maximum of 31°C (87°F), while April has slightly higher temperatures ranging from a minimum of 22°C (72°F) to a maximum of 32°C (91°F). Precipitation levels are notably higher in December, with 252 mm (9.9 in) spread over 29 days, compared to April's 160 mm (6.3 in) over 21 days. Additionally, December experiences higher humidity at 77%, while April's humidity is comparatively lower at 70%. For more specific information about April weather, you can check Bartica weather in April.

When comparing the weather in December and May, both months feature warm temperatures, with December having a minimum of 21°C (71°F) and May slightly warmer with a minimum of 22°C (72°F). The average temperatures remain similar, around 26°C (78°F), but May edges out December with a maximum of 32°C (89°F) compared to December's maximum of 31°C (87°F). Precipitation is notably higher in May, recording 349 mm (13.8 in) over 28 days, in contrast to December's 252 mm (9.9 in) over 29 days. Additionally, December has a higher humidity level at 77%, while May's humidity is slightly lower at 70%. For more detailed insights, check out Bartica weather in May.

The weather in December and June presents some notable differences, despite similar average temperatures. In December, temperatures range from a minimum of 21°C (71°F) to a maximum of 31°C (87°F), with a total precipitation of 252 mm (9.9 in) over 29 days and a humidity level of 77%. In contrast, June experiences slightly higher temperatures, with a minimum of 23°C (73°F) and a maximum of 32°C (89°F). However, it also sees a significant increase in precipitation, reaching 404 mm (15.9 in) across the same number of days, coupled with higher humidity at 85%. For more detailed information, you can check out Bartica weather in June.

When comparing the weather in December and July, both months experience warm temperatures, though July tends to be slightly warmer with a minimum temperature of 23°C (73°F) compared to December's 21°C (71°F). The average temperature remains similar, around 26°C (79°F), but July boasts a maximum of 32°C (91°F), slightly higher than December's 31°C (87°F). Precipitation is notably higher in July, with 327 mm (12.9 in) over 30 days, as opposed to December's 252 mm (9.9 in) across 29 days, contributing to increased humidity levels of 85% in July versus 77% in December. For a closer look at the conditions during this time, check out Bartica weather in July.

In December, temperatures are slightly cooler, ranging from a minimum of 21°C (71°F) to a maximum of 31°C (87°F), with an average of 26°C (78°F). The month is characterized by high humidity at 77% and significant rainfall, totaling 252 mm (9.9 in) over 29 days.

In contrast, August sees a bit warmer weather, with temperatures peaking at 33°C (92°F) and an average of 27°C (80°F), while the minimum temperature is slightly higher at 22°C (71°F). This month experiences a bit less rainfall, totaling 225 mm (8.9 in), but humidity levels rise to 81%, contributing to a muggy atmosphere. For more details, check out Bartica weather in August.

When comparing the weather of December and September, we notice some distinct differences. December experiences slightly lower temperatures, with a minimum of 21°C (71°F) and a maximum of 31°C (87°F), while September is warmer, with a minimum of 23°C (74°F) and a maximum reaching 34°C (93°F). Additionally, December is marked by higher precipitation, totaling 252 mm (9.9 in) over 29 days, compared to September's 140 mm (5.5 in) over 24 days. Despite this, both months share similar humidity levels, with December at 77% and September at 76%. For more details about September's weather, you can check out Bartica weather in September.

In comparing the weather of December and October, December tends to be slightly cooler with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 31°C (87°F), while October features warmer conditions, with temperatures fluctuating between 23°C (74°F) and 33°C (92°F). Precipitation is more significant in December, accumulating to 252 mm (9.9 in) over 29 days, compared to October's 152 mm (6.0 in) over 25 days. Humidity levels are fairly similar, with December at 77% and October at 75%. For a more detailed look at October's climate, you can refer to Bartica weather in October.

In December, temperatures are slightly lower with a minimum of 21°C (71°F) compared to November's minimum of 22°C (73°F), while the average temperature remains the same at 26°C (78°F). However, December experiences a cooler maximum of 31°C (87°F), compared to November's higher maximum of 33°C (91°F). Precipitation increases in December to 252 mm (9.9 in) over 29 days, while November sees 242 mm (9.5 in) over 26 days, indicating a wetter month. Humidity also dips slightly in December at 77%, compared to 79% in November. For more details on weather conditions, check out Bartica weather in November.

Compare Bartica's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Bartica

As December rolls into Bartica, the weather is characterized by higher temperatures and significant humidity, creating a warm, tropical atmosphere. Compared to other months, December sees a notable increase in precipitation, with nearly the entire month experiencing rain. This seasonal shift not only enhances the lush landscape but also brings a vibrant energy to the region. Visitors can expect frequent showers amid warm conditions, making it essential to pack accordingly. For more detailed insights into Bartica's climate variations throughout the year, visit Bartica Climate.