Last updated: March 19, 2025
December in Polonnaruwa, Sri Lanka is characterized by warm temperatures with a maximum reaching 33°C (91°F), an average of 26°C (78°F), and a minimum of 20°C (68°F). Visitors can expect a high humidity level at 86%, creating a lush and vibrant atmosphere. However, this month also brings significant precipitation, with a total of 185 mm (7.3 in) spread over 21 days, making it one of the wetter periods of the year. The combination of warmth and moisture contributes to the region's rich biodiversity, inviting travelers to explore its historical and natural beauty amidst the serene rain showers.
As December rolls into Polonnaruwa, Sri Lanka, the climate begins to offer a pleasant reprieve from the sweltering heat of the preceding months. With a minimum temperature of 20°C (68°F) and an average hovering around 26°C (78°F), days remain comfortably warm. The maximum temperature peaks at 33°C (91°F), indicating that while the weather is more moderate, there are still plenty of opportunities to bask in the sun. This month signifies a subtle shift, transitioning from the higher temperatures of earlier months such as April and May, where maxima soared to the low 40s, making December an ideal time for exploring the historical wonders of this ancient city comfortably. As the year draws to a close, Polonnaruwa's December climate invites travelers to enjoy its rich heritage amid temperate and inviting weather.
In December, Polonnaruwa experiences significant rainfall, with an impressive 185 mm (7.3 in) of precipitation recorded over 21 days. This marked increase follows the heavy downpours of November, which saw a staggering 287 mm (11.3 in), and suggests a continuation of the wet season's intensity. Interestingly, while the rainfall in December is slightly lower than November’s peak, it remains considerably higher than earlier months like June and February, which recorded minimal precipitation. As the year comes to a close, December serves as a notable reminder of the region's lush landscapes, nourished by the persistent monsoon rains, transitioning smoothly from the heavy November showers into a somewhat calmer yet still wet end of the year.
In December, Polonnaruwa experiences a humidity level of 86%, contributing to a notably moist atmosphere. This figure aligns closely with the preceding months of October and November, where humidity was recorded at 89% and 88% respectively, indicating a trend of high humidity as the year draws to a close. Notably, the peak levels occur during the latter part of the year, especially between June and August, marked by an average exceeding 85%. As the season shifts, Polonnaruwa’s consistent humidity provides a lush and vibrant environment, ideal for exploring its rich historical sites amidst the tropical climate.
In December, the UV Index in Polonnaruwa, Sri Lanka registers at 10, indicating a shift from the extreme levels typical of the earlier months to a very high exposure category. This marks a slight decline from the soaring highs of 15 in March, yet care is still essential, with a burn time of 15 minutes offered as a guide for safe sun exposure. Interestingly, despite the overall drop in UV intensity, the city maintains a consistent trend of high UV levels throughout the year. This makes it crucial for visitors and residents alike to remain vigilant about sun protection even as the year winds down. For more detailed insights on UV levels, visit Polonnaruwa UV Index.
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As December unfolds in Polonnaruwa, Sri Lanka, visitors can expect a delightful average of 298 hours of sunshine, setting a warm and inviting tone to the end of the year. This month continues a trend of abundant sunlight that has been prevalent throughout the year, with hours gradually peaking during the mid-year months of July and August. While the sunshine dips slightly from November's 270 hours, December maintains a bright allure, providing a perfect backdrop for exploring the region's rich history and natural beauty. The consistent sun from earlier months ensures that December remains a favored time for travelers seeking to bask in vibrant Sri Lankan days.
In December, Polonnaruwa, Sri Lanka, enjoys a noteworthy increase in sunny weather, with a 44% chance of sunshine that sets it apart from the cooler months preceding it. This month marks a transition towards brighter days, as the likelihood of sunny skies is significantly higher compared to November’s mere 15%, hinting at a refreshing change as the year winds down. While February and March stand out with their 40% chances, December's favorable weather prepares the stage for a pleasant end-of-year experience, where visitors can expect more sun-soaked adventures amidst the ancient ruins and lush landscapes of this historical city.
In Polonnaruwa, Sri Lanka, the daylight duration reflects a distinct seasonal rhythm throughout the year. January and February enjoy a consistent 11 hours of daylight, setting a steady pace as the year begins. As the days gradually stretch from March to September, 12 hours of daylight become the norm, illuminating the lush landscapes and rich history of this ancient city. However, following this peak, daylight duration sees a return to 11 hours in October and November, creating a gentle transition into December, which also features 11 hours of daylight. This cyclical pattern highlights the equatorial nature of Polonnaruwa, where daylight remains fairly stable year-round, inviting visitors to experience its beauty at any time.
In December, the winds in Polonnaruwa, Sri Lanka, settle into a gentle whisper, averaging 1.8 m/s (4 mph). This slight breeze marks a notable dip from the robust gusts of 5.1 m/s (11 mph) seen in the mid-year months of June and July, highlighting a seasonal shift towards calmer conditions. Following a gradual increase in wind speed during the hotter months, which peak in May, the winds begin to taper off as the year closes. The transition from the high-energy winds of summer to the softer touch of December not only enhances the region's tranquil charm but also invites visitors to explore its historical treasures with a refreshing, mild breeze.
The weather in Polonnaruwa 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 Polonnaruwa and find detailed weather information for every month.
In December, Polonnaruwa experiences warmer weather with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (91°F), resulting in an average of 26°C (78°F). The month is quite wet, with 185 mm (7.3 in) of precipitation spread across 21 days and high humidity at 86%. In contrast, January offers slightly cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 32°C (89°F), averaging 25°C (77°F). The rainfall decreases significantly to 92 mm (3.6 in) over just 12 days, and humidity drops to 80%. For more details on January weather specifics, check out Polonnaruwa weather in January.
In comparing the weather between December and February, December experiences a warmer temperature range with a minimum of 20°C (68°F) and a maximum of 33°C (91°F), while February's temperatures are slightly cooler, with a minimum of 17°C (63°F) and a peak of 34°C (93°F). Remarkably, December is much wetter, accumulating 185 mm (7.3 in) of precipitation over 21 days compared to February's mere 45 mm (1.8 in) over 12 days. Moreover, humidity levels are higher in December at 86%, contrasting with the more comfortable 72% in February. For more detailed insights on February weather, visit Polonnaruwa weather in February.
In December, weather conditions are typically warm and humid, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (91°F) and an average temperature of 26°C (78°F). This month also sees significant rainfall, averaging 185 mm (7.3 in) over 21 days, contributing to a high humidity level of 86%. In contrast, March experiences slightly warmer temperatures, with a minimum of 19°C (66°F) and a maximum of 36°C (97°F), an average of 27°C (81°F). Precipitation is notably lower in March, totaling 54 mm (2.1 in) over just 10 days, resulting in a more comfortable humidity level of 69%. For more detailed information, check out Polonnaruwa weather in March.
December and April present distinct contrasts in weather conditions. In December, temperatures range from a minimum of 20°C (68°F) to a maximum of 33°C (91°F), with an average of 26°C (78°F). The month is characterized by high humidity at 86% and significant rainfall, totaling 185 mm (7.3 in) over 21 days. In contrast, April sees a rise in temperatures, with an average of 29°C (84°F) peaking at 38°C (101°F) while maintaining a minimum of 20°C (68°F). Precipitation drops dramatically to 63 mm (2.5 in) over just 10 days, and humidity decreases to 69%. For more insight into April weather in the region, you can refer to Polonnaruwa weather in April.
December and May offer distinctly different weather experiences. In December, temperatures range from a minimum of 20°C (68°F) to a maximum of 33°C (91°F), with an average of 26°C (78°F). This month is characterized by high humidity at 86% and significant rainfall, totaling 185 mm (7.3 in) spread over 21 days. In contrast, May sees warmer conditions with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 39°C (102°F), and an average of 29°C (85°F). Rainfall is less in May, with 115 mm (4.5 in) occurring over just 13 days, and humidity slightly lower at 79%. For more details on weather patterns, check out Polonnaruwa weather in May.
December and June present distinct contrasts in weather conditions. In December, temperatures range from a minimum of 20°C (68°F) to a maximum of 33°C (91°F), with an average of 26°C (78°F). The month is characterized by significant rainfall, with approximately 185 mm (7.3 in) spread over 21 days, contributing to high humidity levels at 86%. In contrast, June experiences warmer temperatures, starting from a minimum of 25°C (76°F) and peaking at 38°C (101°F), with an average of 30°C (86°F). Rainfall is much lighter during this month, with only about 17 mm (0.7 in) over just 3 days, and the humidity remains relatively stable at 85%. For more detailed information about the climate conditions, you can visit Polonnaruwa weather in June.
In comparing the weather patterns between December and July, December tends to be cooler with minimum temperatures around 20°C (68°F) and an average of 26°C (78°F), while July experiences higher minimum temperatures starting at 24°C (76°F) and an average of 30°C (86°F). The peak temperatures also differ significantly, with December reaching up to 33°C (91°F) compared to a sweltering maximum of 39°C (102°F) in July. Additionally, December is wetter, with 185 mm (7.3 in) of precipitation over 21 days, whereas July sees only 39 mm (1.5 in) of rain over just 7 days. Humidity levels remain relatively high in both months, but December's average humidity of 86% slightly surpasses July's 81%. For a more detailed look at July weather specifics, you can visit Polonnaruwa weather in July.
In December, the weather is characterized by milder temperatures, with daily averages ranging from a minimum of 20°C (68°F) to a maximum of 33°C (91°F), while August experiences hotter conditions, with temperatures peaking at 39°C (102°F) and an average of 29°C (85°F). December also sees significantly higher precipitation, with 185 mm (7.3 in) falling over 21 days, in contrast to August's relatively dry month, which records only 29 mm (1.1 in) across 6 days. Humidity levels are quite similar in both months, hovering around 85-86%. For a more detailed look at August weather in Polonnaruwa, you can check out Polonnaruwa weather in August.
When comparing the weather in December and September, it's clear that December tends to be slightly cooler with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (91°F), while September features higher temperatures, peaking at 39°C (102°F) and averaging around 29°C (84°F). Additionally, December experiences more significant rainfall, with 185 mm (7.3 in) of precipitation over 21 days, compared to September's 77 mm (3.1 in) distributed over just 11 days. Humidity levels are higher in December at 86%, although September also maintains a notable humidity level of 81%. For those interested in a more detailed overview of September’s weather, you can visit Polonnaruwa weather in September.
In comparing the weather between October and December, October typically experiences warmer temperatures, with a minimum of 23°C (73°F) and a maximum reaching up to 38°C (100°F). In contrast, December shows a slightly cooler range, with a minimum of 20°C (68°F) and a maximum of 33°C (91°F). Precipitation is also higher in October, totaling 237 mm (9.3 in) compared to December's 185 mm (7.3 in), though the number of rainy days is quite similar, with 20 days in October and 21 days in December. Both months have high humidity, with October slightly higher at 89% compared to December's 86%. For more detailed information, you can check Polonnaruwa weather in October.
In comparing the weather of December and November, we observe that December tends to be slightly cooler, with average temperatures ranging from a minimum of 20°C to a maximum of 33°C, while November sees a higher minimum of 22°C and a peak at 36°C. Precipitation is also notably less in December, with 185 mm over 21 days, compared to November’s 287 mm across 24 days. Humidity levels remain quite high during both months, with December at 86% and November at 88%. For a more detailed analysis of November conditions, you can visit Polonnaruwa weather in November.
As December settles in Polonnaruwa, visitors can expect a notable shift in weather patterns compared to other months. The warm temperatures, with an average hovering around 26°C (78°F), are complemented by increased humidity levels that make the air feel quite sticky. While the region typically experiences lower rainfall in the preceding months, December brings a surge in precipitation, resulting in around 21 rainy days. This combination of warmth and high humidity, coupled with the significant 185 mm of rain, creates a lush, vibrant landscape, perfect for exploring the rich historical sites. To learn more about how December fits into the broader weather trends, feel free to check the comprehensive details on the Polonnaruwa Climate.