Last updated: March 19, 2025
In January, Polonnaruwa, Sri Lanka, experiences a tropical climate characterized by a maximum temperature of 32°C (89°F) and an average of 25°C (77°F), creating warm and inviting days. Nighttime brings cooler temperatures, dipping to a minimum of 17°C (63°F). During this month, the area receives an average precipitation of 92 mm (3.6 in) over approximately 12 rainy days, contributing to the region's lush greenery. The humidity hovers around 80%, enhancing the tropical feel and offering a unique experience for visitors and locals alike.
In January, Polonnaruwa experiences a delightful start to the year, with temperatures ranging from a pleasant 17°C (63°F) at night to a summery 32°C (89°F) during the day, averaging around 25°C (77°F). This month sets the tone for the gradually warming trend that follows, as February sees the daytime highs increase to 34°C (93°F). As the months progress into March and April, the heat intensifies, peaking at 38°C (101°F) by April, highlighting a noteworthy shift towards more tropical conditions. Although May through September maintains high temperatures—often soaring to 39°C (102°F)—the evenings become warmer, with minimums climbing to 23°C (74°F). As the year transitions into the later months, the temperatures start to cool slightly, with December offering a refreshing change, wrapping up the year with comfortable highs of 33°C (91°F). Throughout January, visitors can enjoy a balance of warmth and cooler evenings, making it an inviting time to explore the historic wonders of this ancient city.
In January, Polonnaruwa experiences a significant precipitation total of 92 mm (3.6 in), falling over approximately 12 days. This amount marks a transition into the wetter months, setting the stage for the heavy rains that will follow in the ensuing months. The rainfall is notably higher than February's 45 mm (1.8 in), hinting at the approaching peak of the monsoon season. As the year progresses, rainfall dramatically escalates, with November witnessing a staggering 287 mm (11.3 in), making it the wettest month. January's rainfall, while substantial, serves as a precursor, leading to a seasonal pattern characterized by increasing precipitation as the year unfolds.
In January, Polonnaruwa experiences a high humidity level of 80%, setting the tone for a typically moist climate that characterizes the region. As the month progresses into February, humidity drops to 72%, but it soon begins a slow climb again, peaking at 85% in June and August. The humid spell continues with October and November recording even higher levels of 89% and 88%, respectively. The year closes with a significant humidity of 86% in December. This pattern reflects a tropical climate where humidity fluctuates yet remains consistently high throughout most of the year, creating a lush environment that underscores the region's rich biodiversity.
In January, Polonnaruwa, Sri Lanka, experiences a UV Index of 12, categorized as extreme, with a quick burn time of just 10 minutes. As the months progress, the UV Index continues to rise, peaking at 15 in March before slightly declining but remaining in the extreme range through June. This consistent high exposure underscores the importance of sun protection during this period, as even a brief moment unguarded can lead to sunburn. The UV Index gradually decreases towards the end of the year, reaching a very high level of 10 in December, with a slightly longer burn time of 15 minutes. For specifics on UV exposure trends and safety precautions, visit Polonnaruwa UV Index.
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In Polonnaruwa, Sri Lanka, January welcomes visitors with 260 hours of radiant sunshine, setting the tone for a month filled with warmth and light. As the year progresses, the sun shines even brighter, peaking in March with a remarkable 340 hours. Following this peak, the sunshine remains plentiful through July, with only slight fluctuations. The months of April to August consistently offer abundant rays, averaging around 337-343 hours. As the year winds down, however, there is a notable dip, bringing November to 270 hours and December down to 298 hours. This trend highlights the rich tapestry of sunshine in Polonnaruwa, making it a captivating destination for those seeking warmth and vibrant outdoor experiences throughout the year.
In Polonnaruwa, Sri Lanka, January ushers in a modest 16% chance of sunny weather, making it one of the less favorable months for sun-seekers. As the seasons transition, February sees a remarkable increase, with the likelihood of sun rising to 40%, a trend that persists into March. April brings an even brighter forecast, climbing to 51%, signaling the onset of more reliable sunshine. However, as the year progresses, the chances fluctuate, dipping again in the following months, particularly in the wet season from May to August, where sunny days are scarce. Interestingly, the latter part of the year presents a resurgence in sunny prospects, peaking again in December at 44%. This ebb and flow of sunshine highlights the dynamic weather patterns of Polonnaruwa, inviting visitors to plan their trips accordingly.
In Polonnaruwa, Sri Lanka, January heralds a steady 11 hours of daylight, a pattern that continues into February. As the calendar turns to March, the daylight extends to 12 hours, marking the onset of longer days that last from March through August. This consistent daylight duration enhances opportunities for outdoor activities, exploration, and enjoying the lush landscapes. However, as the months transition to October, the daylight gradually recedes back to 11 hours, echoing the conditions at the start of the year. Thus, the year in Polonnaruwa showcases a rhythmic blend of consistent daylight hours, punctuated by a brief stretch of extended light during the central months, reflecting the region’s tropical climate and seasonal variations.
In January, Polonnaruwa experiences a gentle breeze with an average wind speed of 1.9 m/s (4 mph), setting a tranquil tone for the month. This calmness is characteristic of the early year, as wind speeds remain relatively low, only slightly increasing in February and March. April sees a slight dip again, but as May rolls in, the winds pick up significantly, reaching 3.4 m/s (8 mph). This shift heralds the onset of the monsoon season, which brings more robust and consistent winds. From June onward, wind speeds escalate further, peaking in July at 5.1 m/s (11 mph) and maintaining a steady pace through August and September. As the year wanes, the winds gradually retreat back to their more languid January levels, illustrating a clear seasonal pattern that captures the essence of Polonnaruwa's climate.
The weather in Polonnaruwa changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January'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 comparing the weather of January and February, we see a gradual shift in temperatures and precipitation patterns. January experiences a minimum temperature of 17°C (63°F) and an average of 25°C (77°F), with a maximum reaching 32°C (89°F). The month is characterized by higher humidity at 80% and a total precipitation of 92 mm (3.6 in) over 12 days. In contrast, February brings slightly warmer conditions, with an average temperature of 26°C (78°F) and a higher maximum of 34°C (93°F). Notably, February sees a significant reduction in precipitation, totaling only 45 mm (1.8 in), yet maintains the same number of rainy days. Additionally, the humidity drops to 72%, making February feel more comfortable overall. For more detailed information, check out Polonnaruwa weather in February.
In January, temperatures in Polonnaruwa range from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), with an average of 25°C (77°F). The month experiences relatively high humidity at 80% and sees about 92 mm (3.6 in) of precipitation across 12 rainy days. In contrast, March presents warmer conditions, with temperatures ranging from a minimum of 19°C (66°F) to a high of 36°C (97°F) and an average of 27°C (81°F). The humidity drops to 69%, and precipitation decreases to 54 mm (2.1 in) over 10 days. For more detailed information, you can check Polonnaruwa weather in March.
In January, the weather is characterized by a minimum temperature of 17°C (63°F) and an average of 25°C (77°F), reaching a maximum of 32°C (89°F). This month experiences higher humidity at 80%, along with considerable rainfall of 92 mm (3.6 in) spread over 12 days. In contrast, April sees warmer conditions, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 38°C (101°F) and an average temperature of 29°C (84°F). April is drier, with precipitation amounting to 63 mm (2.5 in) over just 10 days and lower humidity at 69%. This transition in weather patterns reflects the shift from the cooler and wetter conditions of January to the hotter and drier atmosphere of April. For more detailed information on the weather during this specific month, you can check Polonnaruwa weather in April.
In comparing the weather of January and May, it’s clear that May experiences warmer temperatures across the board, with minimums starting at 23°C (74°F) compared to January's 17°C (63°F). While January averages a comfortable 25°C (77°F), May escalates to an average of 29°C (85°F), peaking at a scorching maximum of 39°C (102°F) compared to January's highest of 32°C (89°F). Additionally, both months see a similar amount of precipitation, with January receiving 92 mm (3.6 in) over 12 days and May slightly higher at 115 mm (4.5 in) across 13 days. Interestingly, humidity levels remain fairly close, with January at 80% and May slightly lower at 79%. For more detailed insights, you can check Polonnaruwa weather in May.
In comparing the weather between January and June, it's clear that June experiences higher temperatures overall, with average lows of 25°C (76°F) and highs reaching up to 38°C (101°F), compared to January's comfortable range of 17°C (63°F) to 32°C (89°F). Additionally, January tends to be wetter, with 92 mm (3.6 in) of precipitation over 12 days, while June sees significantly less rain, with only 17 mm (0.7 in) over just 3 days. Humidity remains relatively high in both months, at 80% in January and slightly higher at 85% in June. For more details, you can check Polonnaruwa weather in June.
In January, temperatures range from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), with an average of 25°C (77°F). This month also experiences considerable precipitation, totaling 92 mm (3.6 in) over 12 days, and humidity levels are quite high at 80%. In contrast, July sees warmer temperatures, with a minimum of 24°C (76°F), an average of 30°C (86°F), and a peak that can reach 39°C (102°F). Rainfall decreases significantly in July, totaling only 39 mm (1.5 in) over 7 days, while humidity remains similar at 81%. For a closer look at weather conditions throughout this month, check out Polonnaruwa weather in July.
In January, the weather is characterized by temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), with an average of 25°C (77°F). This month also experiences considerable precipitation, averaging 92 mm (3.6 in) over approximately 12 days, accompanied by a relatively high humidity level of 80%.
Conversely, August brings warmer conditions, with temperatures fluctuating between a minimum of 24°C (75°F) and peaking at 39°C (102°F), while the average sits at 29°C (85°F). Precipitation drops significantly to 29 mm (1.1 in) over just 6 days, and humidity slightly increases to 85%. For those interested in more detailed insights, you can explore Polonnaruwa weather in August.
When comparing the weather in January and September, we notice significant differences in temperature and precipitation patterns. In January, the temperatures range from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), with an average of 25°C (77°F). The month experiences about 92 mm (3.6 in) of rainfall over approximately 12 days, accompanied by a humidity level of 80%. In contrast, September is notably warmer, with temperatures ranging from a minimum of 23°C (74°F) to a sweltering maximum of 39°C (102°F) and an average temperature of 29°C (84°F). Rainfall reduces slightly to 77 mm (3.1 in) over 11 days, with a humidity level that remains quite high at 81%. For more detailed information, you can visit Polonnaruwa weather in September.
When comparing the weather in January and October, January tends to be milder with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (89°F). In contrast, October experiences higher temperatures, with averages between 23°C (73°F) and reaching up to 38°C (100°F). Additionally, October sees significantly more rainfall, with 237 mm (9.3 in) of precipitation over 20 days, compared to January's 92 mm (3.6 in) over just 12 days. This increased rainfall in October also contributes to higher humidity levels, averaging 89%, compared to January's 80%. For more details, you can refer to Polonnaruwa weather in October.
In January, the weather is generally milder, featuring temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (89°F) with an average of 25°C (77°F). The month experiences about 92 mm (3.6 in) of rainfall over 12 days and maintains a humidity level of 80%. In contrast, November brings warmer conditions with temperatures from a minimum of 22°C (71°F) to a maximum of 36°C (97°F), averaging at 26°C (80°F). This month is significantly wetter, receiving 287 mm (11.3 in) of precipitation over 24 days, accompanied by a higher humidity of 88%. For more detailed insights into the weather trends, you can visit Polonnaruwa weather in November.
In comparing the weather between January and December, January tends to be slightly cooler with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), while December experiences higher temperatures, with a minimum of 20°C (68°F) and a maximum of 33°C (91°F). Additionally, January has lower precipitation levels, totaling 92 mm (3.6 in) over 12 days, compared to December's 185 mm (7.3 in) which occurs over 21 days, making December the wetter month. The humidity in December is also higher at 86%, compared to January's 80%. For more details about the weather in December, you can check Polonnaruwa weather in December.
January in Polonnaruwa offers a unique blend of warm temperatures and significant humidity, creating an inviting tropical atmosphere for visitors. While daytime highs typically soar to comfortable levels, the nights can bring a refreshing coolness that contrasts beautifully with the daytime warmth. However, the month is also marked by increased rainfall, leading to lush landscapes and vibrant flora. With about a dozen days of rain, January’s weather sets itself apart from the drier months, supporting the region's rich biodiversity. For a more comprehensive understanding of what to expect throughout the year, check out the detailed insights at Polonnaruwa Climate.