December Weather in Tangalle, Sri Lanka

Last updated: March 19, 2025

December in Tangalle, Sri Lanka welcomes visitors with a warm climate, featuring a maximum temperature of 31°C (89°F) and a comfortable average of 26°C (80°F). However, the month is marked by significant precipitation, with an average of 172 mm (6.8 in) falling across approximately 22 days. This contributes to a high humidity level of around 82%, creating a lush and tropical atmosphere. As the sea beckons, travelers should be prepared for sudden showers while enjoying the vibrant natural beauty of this coastal paradise.

December Temperature in Tangalle

In Tangalle, Sri Lanka, December wraps up the year with warm temperatures that are both inviting and comforting. With a minimum of 23°C (73°F) and a maximum reaching 31°C (89°F), the climate is characterized by a consistent average of 26°C (80°F), making it a delightful time for beachgoers and sun-seekers alike. As the month progresses, the temperatures remain stable, showcasing a trend of warmth that has peeped its way through the last months of the year. This balmy weather, paired with the sound of waves, creates a perfect backdrop for relaxation and exploration, easily positioning December as a prime time to visit this coastal paradise.

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

The chart illustrates December temperature patterns in Tangalle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec798081818181818080797979
Data source: Temperature data for Tangalle 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 Tangalle

In December, Tangalle, Sri Lanka experiences a noteworthy shift in precipitation patterns, with 172 mm (6.8 inches) of rainfall over 22 days. This amount reflects a decrease from the previous month's peak of 268 mm, marking the culmination of the wetter months from October to November, which are characterized by their heavier rainfall. Despite the reduction, December still sees considerable precipitation, contributing to the region's lush landscapes. The prevalence of rainy days continues to highlight the monsoon's lingering presence, bridging the gap between the end of the heavy rainy season and the dryer months ahead. Overall, while December maintains significant rainfall, it signals a gradual transition towards a drier climate as the year winds down.

December Precipitation Trends in Tangalle

The chart displays monthly precipitation patterns in Tangalle, 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.
JanFebMarAprMayJunJulAugSepOctNovDec766211816419612399115160231268172
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Tangalle

In December, Tangalle experiences a humidity level of 82%, slightly above the year's average, continuing the trend seen in the preceding months. Throughout the year, humidity in this coastal paradise fluctuates between 76% and 83%, with the peak occurring in June and October. Notably, December aligns closely with the humid conditions of the preceding months, offering a sultry atmosphere typical of the region. As the year winds down, Tangalle's moisture-laden air not only highlights its tropical charm but also sets the stage for lush landscapes and vibrant marine life, making it a captivating destination for visitors.

December Average Humidity in Tangalle

This chart illustrates the average monthly humidity levels in Tangalle, 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.
JanFebMarAprMayJunJulAugSepOctNovDec80%77%77%77%76%83%81%83%82%83%81%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tangalle

In Tangalle, Sri Lanka, the UV Index remains notably high throughout the year, emphasizing the importance of sun protection. December, with a UV Index of 11, continues the trend of extreme exposure levels seen since January. This consistent pattern, peaking at 15 in March and April, highlights a critical burn time of just 10 minutes across most months. While the UV Index dips slightly in November and December, it still falls into the extreme category, indicating that caution against sun damage is essential year-round. Be sure to check current conditions and protect yourself from harmful rays by visiting Tangalle UV Index.

Maximum UV Index Levels in Tangalle for December

The chart shows the monthly maximum UV Index (UVI) for Tangalle 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.
JanFebMarAprMayJunJulAugSepOctNovDec131415151412131414131111
Data source: Tangalle 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 Tangalle

December in Tangalle, Sri Lanka, welcomes visitors with a delightful 310 hours of sunshine, nicely capping off a year of vibrant weather patterns. As the temperature cools slightly from the sweltering summer months, December remains a fantastic time to bask in warm rays. This month is part of a captivating trend, with sunshine hours gradually increasing throughout the mid-year, peaking in July with 341 hours. After this zenith, the sunshine hours gracefully wane into autumn, yet remain robust throughout December. Whether you’re drawn to the stunning beaches or the lush surroundings, the consistent glow of the sun makes Tangalle a perfect winter getaway.

Monthly Sunshine Duration in Tangalle: December Highlighted

The December sunshine duration represents the total number of hours Tangalle 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.
JanFebMarAprMayJunJulAugSepOctNovDec273h312h335h333h333h337h341h338h321h317h293h310h
Data source: Tangalle December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tangalle During December

When considering the likelihood of sunny weather in December in Tangalle, Sri Lanka, it's vital to note a promising trend as the year winds down. With a 46% chance of sunshine, December stands out alongside April, marking it as one of the sunniest months of the year. This spike in sunny days is a welcome relief from the lower probabilities seen in the preceding months, such as November and October, which linger around the 19% and 18% marks respectively. As the monsoon season recedes, the shift towards sunnier days in December invites locals and tourists alike to bask in the warm tropical glow, making it an ideal time for outdoor adventures and leisurely strolls along Tangalle's stunning beaches.

Percentage of Sunny Days in December in Tangalle

The chart illustrates the percentage of sunny days in Tangalle 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 Tangalle experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%40%35%46%17%25%15%8%23%18%19%46%
Data source: Tangalle December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tangalle in December

In Tangalle, Sri Lanka, the daylight duration exhibits a delightful rhythm throughout the year. From January to February, the sun graces the landscape with 11 hours of daylight, creating a consistent start to the year. As spring approaches in March, daylight begins to stretch, peaking at 12 hours from March through September. This vibrant stretch fosters a lively atmosphere, perfect for outdoor adventures and soaking in the beauty of nature. As October arrives, the daylight gently reverts to 11 hours, culminating in a serene conclusion to the year with November and December mirroring that initial consistency. This beautiful flow not only enhances Tangalle's charm but also reflects the region's hospitable climate, inviting locals and visitors alike to bask in its warm embrace.

Average Daylight Hours in Tangalle for December

The chart illustrates the variation in daylight duration in Tangalle throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 48m11h 55m12h 4m12h 14m12h 22m12h 27m12h 24m12h 17m12h 7m11h 58m11h 50m11h 46m
Data source: Tangalle daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Tangalle

In Tangalle, Sri Lanka, the December winds bring a gentle breeze, with an average speed of 2.9 m/s (7 mph). As the year transitions from the blustery months of June and July, where winds peak at 6.2 m/s (14 mph), December offers a calmer reprieve, embodying the tranquil spirit of the approaching new year. The shift from the summer's peak winds to the softer December breezes highlights a notable seasonal trend, where wind speeds begin their decline after the mid-year highs, leading to the more tranquil conditions that characterize the late-year months. This makes December an ideal time for serene beach walks and peaceful moments by the sea, as Tangalle's coastal charm is further enhanced by its soothing winds.

Average December Wind Speed in Tangalle

The chart displays monthly wind speed patterns in Tangalle, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.93.13.04.35.66.25.65.44.53.92.9 m/s
Data source: Tangalle December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Tangalle Compares to Other Months

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

In December, the weather tends to be warmer and more humid compared to January, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 31°C (89°F) and an average of 26°C (80°F). December also sees significantly higher precipitation, totaling 172 mm (6.8 in) over approximately 22 rainy days, contributing to the humidity level of 82%. In contrast, January experiences slightly cooler conditions with temperatures varying from a minimum of 21°C (71°F) to a maximum of 33°C (92°F), while maintaining the same average of 26°C (80°F). Precipitation drops to 76 mm (3.0 in) over 12 days, resulting in a more comfortable humidity level of 80%. For more detailed insights, you can explore Tangalle weather in January.

December and February present distinct weather patterns, although both months remain warm. In December, the temperatures range from a minimum of 23°C (73°F) to a maximum of 31°C (89°F), with an average of 26°C (80°F). This month also experiences significant rainfall, totaling 172 mm (6.8 in) over 22 days, resulting in higher humidity levels at 82%. In contrast, February offers slightly warmer average temperatures, peaking at 34°C (93°F) and averaging 27°C (81°F), but features less precipitation at 62 mm (2.4 in) across just 12 days, contributing to a lower humidity of 77%. For more specific weather details in February, see Tangalle weather in February.

In December, the weather is characterized by a pleasant warmth, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 31°C (89°F) and an average of 26°C (80°F). However, it's also the wettest month, receiving 172 mm (6.8 in) of precipitation over 22 days, coupled with high humidity at 82%. In contrast, March tends to be slightly warmer with temperatures ranging from 22°C (73°F) to 34°C (93°F) and an average of 27°C (81°F). Although it experiences less rainfall at 118 mm (4.6 in) over 20 days, humidity is marginally lower at 77%. For a more detailed look at the weather during this month, check out Tangalle weather in March.

In December, the weather tends to be quite humid and rainy, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 31°C (89°F) and a notable precipitation of 172 mm (6.8 in) spread over 22 days. In contrast, April experiences slightly warmer temperatures, with an average minimum of 23°C (74°F) and a maximum of 33°C (92°F), but slightly less precipitation at 164 mm (6.5 in) over 25 days. The humidity in December is higher at 82%, compared to 77% in April, making December feel a bit more oppressive despite the similar minimum temperatures. For more detailed insights into the climate, you can check Tangalle weather in April.

In comparing the weather conditions of December and May, December features slightly cooler temperatures with a minimum of 23°C (73°F) and an average of 26°C (80°F), while May sees a slightly warmer minimum of 24°C (75°F) and an average of 27°C (82°F). Precipitation levels are higher in May, totaling 196 mm (7.7 in) over 27 days, compared to December's 172 mm (6.8 in) spread across 22 days. Additionally, December experiences higher humidity at 82%, whereas May has a more moderate humidity level of 76%. For more detailed information on May weather, you can visit Tangalle weather in May.

In December, temperatures in Tangalle range from a minimum of 23°C (73°F) to a maximum of 31°C (89°F), with an average temperature of 26°C (80°F). This month experiences higher rainfall, with 172 mm (6.8 in) of precipitation spread over 22 days, and humidity levels at around 82%. In contrast, June offers slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 32°C (89°F)—an average of 27°C (81°F). Although June sees a bit less rainfall at 123 mm (4.9 in) over 24 days, humidity remains high at 83%. For more specific details about June weather patterns, you can check Tangalle weather in June.

In December, the weather is characterized by warm temperatures, with a minimum of 23°C (73°F), an average of 26°C (80°F), and a maximum of 31°C (89°F). However, it tends to be wetter, receiving 172 mm (6.8 in) of precipitation over 22 days, and the humidity is quite high at 82%. In contrast, July maintains similar temperature ranges, with a minimum of 23°C (74°F), an average of 27°C (81°F), and a maximum of 31°C (88°F). Precipitation during this month is significantly lower, totaling 99 mm (3.9 in) over the same number of rainy days, with slightly less humidity at 81%. For more detailed insights on July weather specifically, visit Tangalle weather in July.

December and August present similar temperatures, with December exhibiting a slightly cooler minimum temperature of 23°C (73°F) compared to August's 24°C (75°F). Both months have a maximum temperature of 31°C (89°F) in December and 31°C (88°F) in August, reflecting the warm climate typical of this region. However, December tends to be wetter, with a notable increase in precipitation at 172 mm (6.8 in) over 22 days, whereas August sees less rainfall at 115 mm (4.5 in) across the same number of days. Humidity levels remain consistent in both months, sitting at 82%. For more detailed information on weather specifics in August, you can refer to Tangalle weather in August.

In comparing the weather of December and September, we find that both months exhibit similar temperature ranges, with average highs reaching 31°C (89°F) and average lows around 24°C (75°F) in September and 23°C (73°F) in December. However, December experiences slightly more precipitation at 172 mm (6.8 in), compared to September's 160 mm (6.3 in), despite September having a longer duration of rainy days at 25 compared to December's 22 days. Both months share a consistent humidity level of 82%, contributing to a tropical feel throughout this period. For more detailed insights on September weather, you can view Tangalle weather in September.

In comparing the weather of December and October in Tangalle, it’s evident that both months have similar temperature ranges, with minimums at 23°C (73°F), average temperatures at 26°C (80°F), and maximums around 31°C (88-89°F). However, December tends to be slightly drier, with 172 mm (6.8 inches) of precipitation over 22 days, compared to October’s higher rainfall of 231 mm (9.1 inches) across 26 days. Additionally, humidity levels are comparable, with December at 82% and October at 83%. For more detailed information about October weather, you can check out Tangalle weather in October.

December and November exhibit quite similar temperature ranges, with both months experiencing minimums of 23°C (73°F), averages of 26°C (80°F), and maximums of 31°C (89°F). However, December sees a decrease in both precipitation and rainy days, with 172 mm (6.8 in) of rainfall over 22 days compared to November's more significant 268 mm (10.6 in) over 25 days. Additionally, humidity levels remain slightly higher in December at 82%, compared to 81% in November. For more detailed information about November weather, you can check out Tangalle weather in November.

Compare Tangalle's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Tangalle

As December rolls into Tangalle, the weather takes on a uniquely tropical flair, characterized by its warm temperatures and high humidity levels that can feel quite different from the cooler months preceding it. With an average temperature hovering around 26°C (80°F) and highs reaching up to 31°C (89°F), the days are pleasantly warm, though the increased precipitation, with rain gracing the area on 22 days, makes this month noticeably wetter. This shift towards a more humid and rainy climate underscores December's transition into the heart of the monsoon season, offering both lush, green landscapes and a refreshing escape for visitors. To better understand how Tangalle's weather evolves throughout the year, visit Tangalle Climate.