December Weather in Batticaloa, Sri Lanka

Last updated: March 19, 2025

In Batticaloa, Sri Lanka, December marks a vibrant transition into the wet season, characterized by warm temperatures. With maximums reaching 29°C (85°F) and a comfortable average of 26°C (80°F), the days remain pleasant despite the humidity lingering at a notable 86%. Rainfall is significant, with an average of 246 mm (9.7 in) spread over 22 days, transforming the landscape into a lush green island paradise. Visitors can expect a refreshing atmosphere, as the warm breezes complement the frequent showers, making December a unique time to experience the beauty of Batticaloa.

December Temperature in Batticaloa

In December, Batticaloa, Sri Lanka, experiences a delightful transition as temperatures begin to stabilize from the warmer months. With a minimum of 24°C (75°F) and a comfortable average around 26°C (80°F), the weather remains pleasantly inviting. The maximum temperature can reach up to 29°C (85°F), making it an ideal time for beach outings and outdoor activities. Notably, as the year draws to a close, December's temperatures reflect a gradual cooling trend following the summer peaks of April and May, yet they still maintain a tropical warmth that characterizes the region year-round. This month perfectly balances the lingering warmth of previous months with a subtle shift towards cooler evenings, offering a refreshing respite for both locals and visitors alike.

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

The chart illustrates December temperature patterns in Batticaloa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec798081838585858483828079
Data source: Temperature data for Batticaloa 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 Batticaloa

In Batticaloa, Sri Lanka, December stands out as a month of significant rainfall, with 246 mm (9.7 in) of precipitation recorded over 22 days. This is indicative of the region's transition into the wet season, building on the already substantial rainfall from November, which peaked at 313 mm (12.3 in) over 24 rainy days. December's precipitation, while slightly lower than November, remains notably high compared to earlier months, like January with only 139 mm (5.5 in) and April with a mere 41 mm (1.6 in). The trend highlights a consistent pattern of increasing rainfall from the dry spells early in the year, culminating in the peak wet months of November and December. This seasonal shift not only enriches the local ecosystems but also affects agricultural practices and daily life in Batticaloa.

December Precipitation Trends in Batticaloa

The chart displays monthly precipitation patterns in Batticaloa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1397764415727323468166313246
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Batticaloa

In December, Batticaloa experiences a notable increase in humidity, peaking at 86%. This month stands out as one of the more humid times of the year, following a slight dip in the preceding months of November and October, where values reached 88% and 89%, respectively. The trend reflects a consistent pattern where the humidity tends to rise significantly during the monsoon season from June through October, peaking before settling slightly lower in December. Interestingly, while December's humidity is lower than the mid-year peaks, it remains higher than the early months of the year, such as March and April, where levels dropped to around 69%. This seasonal progression underscores Batticaloa’s tropical climate, where humidity plays a significant role in the overall weather experience.

December Average Humidity in Batticaloa

This chart illustrates the average monthly humidity levels in Batticaloa, 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%72%69%69%79%85%81%85%81%89%88%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Batticaloa

In Batticaloa, Sri Lanka, the UV Index remains consistently high throughout the year, reflecting an environment that's ripe for sun lovers but calls for caution. December registers a UV Index of 11, categorizing it as extreme, with a burn time of just 10 minutes. This slight dip from November's 12 highlights a trend where the UV Index gradually decreases from the peak values seen in earlier months like March and April, which both hit a notable 15. Regardless of the month, the takeaway is clear: the sun's intensity persists, urging residents and visitors to take necessary sun protection measures. For more details on the UV Index in this vibrant coastal city, check out Batticaloa UV Index.

Maximum UV Index Levels in Batticaloa for December

The chart shows the monthly maximum UV Index (UVI) for Batticaloa 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.
JanFebMarAprMayJunJulAugSepOctNovDec121315151413121414131211
Data source: Batticaloa 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 Batticaloa

In Batticaloa, Sri Lanka, the month of December brings a delightful continuation of bright, sunny days, with 303 hours of sunshine on average. Following the balmy embrace of the preceding months, December stands out as a time when daylight begins to decrease slightly in anticipation of the new year, yet it still offers abundant light. Notably, the year showcases a gradual increase in sunshine hours from January's 263 hours, peaking in March with an impressive 343 hours before settling into a lovely rhythm throughout the rest of the year. This steady availability of sunshine throughout the year makes Batticaloa an inviting destination for sun-seekers, especially as the year draws to a close and the weather remains warm and pleasant.

Monthly Sunshine Duration in Batticaloa: December Highlighted

The December sunshine duration represents the total number of hours Batticaloa 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.
JanFebMarAprMayJunJulAugSepOctNovDec263h307h343h342h345h343h350h344h329h323h293h303h
Data source: Batticaloa December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Batticaloa During December

In December, Batticaloa, Sri Lanka welcomes a strikingly improved chance of sunshine, with 49% likelihood of clear skies. This marks a notable increase from the preceding months, where the chances lingered around the lower end of the spectrum. As the year draws to a close, the weather trends show a gradual ascent in sunshine probability beginning from the chillier and wetter months of November and October, which hover around 20%. The transition highlights a distinct shift towards brighter days, reminiscent of the warmth experienced in early spring months. Thus, December stands out as a promising time for sun-seekers in Batticaloa, inviting both locals and visitors to revel in its pleasant weather.

Percentage of Sunny Days in December in Batticaloa

The chart illustrates the percentage of sunny days in Batticaloa 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 Batticaloa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%43%40%56%20%26%22%7%24%20%20%49%
Data source: Batticaloa December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Batticaloa in December

In Batticaloa, Sri Lanka, the daylight duration in December mirrors that of the preceding months in October and November, offering 11 hours of sunlight each day. This pattern highlights a notable trend: the year begins with consistent daylight durations of 11 hours from January to February, then gradually increases to 12 hours from March through September. As the year comes to a close, daylight begins to shorten again. Despite this seasonal ebb and flow, December's light still casts a warm glow over the beautiful landscapes, inviting residents and visitors alike to enjoy the rich cultural experiences that come alive in the twilight hours.

Average Daylight Hours in Batticaloa for December

The chart illustrates the variation in daylight duration in Batticaloa throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 42m11h 52m12h 4m12h 16m12h 27m12h 32m12h 30m12h 20m12h 8m11h 56m11h 45m11h 40m
Data source: Batticaloa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Batticaloa

In December, Batticaloa, Sri Lanka, experiences a refreshing average wind speed of 3.9 m/s (9 mph), echoing the breezy conditions seen in January. This increase marks a notable shift from the lighter winds of the preceding months, particularly the calm spells found in April and October, where speeds dipped to as low as 2.7 m/s (6 mph). Throughout the fall months, wind speeds were relatively moderate, fluctuating between 2.8 m/s and 3.1 m/s. However, as the year winds down, the return of stronger breezes in December signals the onset of a more dynamic atmospheric phase, inviting both locals and visitors to embrace the invigorating coastal air. As the winds pick up, they bring with them a sense of renewal, delighting all who revel in Batticaloa's picturesque landscapes.

Average December Wind Speed in Batticaloa

The chart displays monthly wind speed patterns in Batticaloa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.94.43.22.73.13.23.73.22.92.83.13.9 m/s
Data source: Batticaloa December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Batticaloa Compares to Other Months

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

In December, temperatures in the region typically range from a minimum of 24°C (75°F) to a maximum of 29°C (85°F), with an average of 26°C (80°F). The month experiences significant rainfall, with 246 mm (9.7 in) falling over 22 days, contributing to high humidity levels of around 86%. In contrast, January sees slightly cooler temperatures, with a minimum of 23°C (73°F), and similar maximum temperatures of 29°C (84°F), maintaining an average of 26°C (79°F). The precipitation in January is notably reduced to 139 mm (5.5 in) over just 14 days, and humidity levels drop to 80%. For more detailed insights, you can check Batticaloa weather in January.

In comparing the weather between December and February, we can see some notable similarities and differences. Both months experience a consistent temperature range with a minimum of 24°C (75°F), an average of 26°C (80°F), and a maximum of 29°C (85°F). However, December is significantly wetter, with 246 mm (9.7 in) of precipitation spread over 22 days, while February sees a considerable drop in rainfall, totaling only 77 mm (3.0 in) over 15 days. Additionally, humidity levels are higher in December at 86%, compared to 72% in February, contributing to a more humid and damp feel in the earlier month. For more detailed information, you can check Batticaloa weather in February.

In December, the weather is marked by warmer temperatures, with averages around 26°C (80°F) and highs reaching 29°C (85°F). However, this month also experiences significant rainfall, totaling 246 mm (9.7 in) over 22 days, accompanied by a high humidity level of 86%. In contrast, March sees slightly higher temperatures, with averages at 27°C (82°F) and maximums reaching 31°C (88°F), but it is much drier, with only 64 mm (2.5 in) of precipitation spread over 12 days and lower humidity at 69%. For more detailed insights into the weather during this month, you can check Batticaloa weather in March.

In December, the weather features a warm climate with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (85°F), with an average of 26°C (80°F). This month is marked by significant rainfall, with a total precipitation of 246 mm (9.7 in) spread over 22 days, resulting in high humidity levels of 86%. In contrast, April offers slightly warmer temperatures, with a minimum of 25°C (78°F), an average of 28°C (83°F), and a maximum of 32°C (90°F). The precipitation drops dramatically to 41 mm (1.6 in) over just 10 days, contributing to a more comfortable humidity level of 69%. This makes April a notably drier and warmer month compared to December. For more details, you can check Batticaloa weather in April.

When comparing the weather in December and May, notable differences emerge in both temperature and precipitation. December tends to be cooler, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (85°F), while May is warmer, featuring average temperatures between 26°C (79°F) and 34°C (93°F). Additionally, December experiences significantly more rainfall, with 246 mm (9.7 in) over 22 days, compared to May's much drier conditions, which see only 57 mm (2.2 in) across 13 days. Moreover, while December has higher humidity at 86%, May's humidity is comparatively lower at 79%. For more detailed information about May weather, you can visit Batticaloa weather in May.

When comparing the weather in December and June, it's evident that December tends to be slightly cooler and much wetter. In December, temperatures range from a minimum of 24°C (75°F) to a maximum of 29°C (85°F), accompanied by high humidity at 86%. This month also sees significant rainfall, with an average of 246 mm (9.7 in) over 22 days. In contrast, June experiences warmer temperatures, with minimums of 26°C (79°F) and maximums reaching 34°C (93°F). It's notably drier in June, receiving only 27 mm (1.0 in) of precipitation over just 7 days, while maintaining a similar humidity level at 85%. For more detailed insights, you can check Batticaloa weather in June.

When comparing the weather in December and July, we see notable differences in temperature and precipitation. December experiences slightly cooler temperatures, with an average of 26°C (80°F) and maximums reaching 29°C (85°F), while July is warmer, boasting an average of 29°C (85°F) and maximums soaring to 34°C (93°F). Additionally, December is characterized by significantly higher rainfall, with 246 mm (9.7 in) over 22 days, compared to July's much drier climate of just 32 mm (1.2 in) on 9 days. Humidity levels are also slightly higher in December at 86%, compared to 81% in July. For more insights into July's weather, you can check Batticaloa weather in July.

When comparing the weather in December and August, notable differences arise in temperature, precipitation, and humidity. In December, the temperatures are slightly cooler, with a minimum of 24°C (75°F) and a maximum of 29°C (85°F), while the average temperature is 26°C (80°F). However, December experiences significantly higher precipitation, with 246 mm (9.7 in) spread across 22 days, leading to a humid environment with 86% humidity.

In contrast, August tends to be warmer on average, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 33°C (92°F), averaging 29°C (84°F). Additionally, August sees much less rainfall, with only 34 mm (1.3 in) over 8 days, and a similar humidity level of 85%. Overall, while both months are characterized by warm temperatures, December is marked by its increased rainfall and cooler averages compared to the drier and hotter conditions of August. For more details, you can check Batticaloa weather in August.

In comparing the weather of December and September, we see distinct differences in temperature and precipitation. December experiences slightly cooler temperatures, with a minimum of 24°C (75°F) and an average of 26°C (80°F), while September boasts warmer averages, peaking at a maximum of 32°C (90°F). Additionally, December is significantly wetter, receiving 246 mm (9.7 in) of rainfall over 22 days compared to September's 68 mm (2.7 in) spread across just 14 days. The humidity levels are also higher in December at 86%, compared to September's 81%. For more specific details about September weather, you can check Batticaloa weather in September.

In comparing the weather of December and October, it’s evident that both months experience warm temperatures, but with some notable differences. December tends to be slightly cooler, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (85°F), while October is warmer, averaging between 25°C (77°F) and 32°C (90°F). Precipitation also varies, as December sees significantly more rainfall at 246 mm (9.7 in) over 22 days, compared to October's 166 mm (6.5 in) over 20 days. Additionally, December’s humidity is slightly lower at 86%, compared to October’s 89%. For a more detailed look at October’s climate, you can visit Batticaloa weather in October.

In comparing the weather of December and November, both months experience warm temperatures, with December showing a slight decrease in average temperature, from 27°C (81°F) in November to 26°C (80°F) in December. While both months share similar minimum temperatures of 24°C (75°F), December's maximum temperature is a bit cooler at 29°C (85°F) compared to November's peak of 30°C (87°F). Precipitation is notably higher in November, with 313 mm (12.3 in) falling over 24 days, compared to December's 246 mm (9.7 in) across 22 days. Humidity levels remain high in both months, with December at 86% and November slightly higher at 88%. For a more detailed look at weather conditions, you can check out Batticaloa weather in November.

Compare Batticaloa's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Batticaloa

December in Batticaloa ushers in a shift towards cooler temperatures, with averages around 26°C (80°F), creating a more temperate atmosphere compared to the sweltering summer months. As the year draws to a close, the region experiences an increase in precipitation, featuring nearly 23 days of rain, significantly altering the landscape and contributing to the lush greenery that characterizes this season. The high humidity, coupled with the frequent showers, adds a unique charm to Batticaloa in December, making it distinct from drier months. For more insights on the weather trends throughout the year, visit Batticaloa Climate.