Last updated: March 19, 2025
December in Unawatuna, Sri Lanka presents a warm tropical climate, where temperatures hover around a pleasant average of 27°C (80°F), with daily highs reaching up to 30°C (85°F). Visitors can expect some humidity, with levels around 82%, creating a cozy, tropical atmosphere. However, the month also brings significant rainfall, totaling about 151 mm (5.9 in) over the course of 19 days, making it essential for travelers to prepare for occasional downpours amidst the vibrant beach scenes. This blend of warmth and moisture paints a quintessential tropical picture, ideal for those seeking a lush escape.
In December, Unawatuna, Sri Lanka maintains a delightful tropical warmth, with temperatures showcasing a pattern that feels familiar yet inviting. The minimum temperature settles at a cozy 25°C (77°F), while the average hovers around a comfortable 27°C (80°F). As the month rolls on, daytime highs reach a pleasant 30°C (85°F), creating perfect conditions for beach lovers and adventurers alike. Notably, this month features stable temperatures, reflecting the region's consistent climate, making December an ideal time for visitors to soak in the sun and explore the breathtaking beauty of this coastal paradise. As you wander the golden shores or sample local delicacies, the warmth of December promises a memorable escape.
In December, Unawatuna experiences a notable shift in its precipitation patterns, receiving 151 mm (5.9 in) of rainfall over approximately 19 days. This marks a decrease from the preceding months, particularly when compared to the peak in May with 289 mm (11.4 in). As the high rainfall season begins to wind down, December still maintains a significant amount of rain, indicative of the lingering southwest monsoon's influence. Although rainfall days are reduced compared to the previous months, the persistent showers contribute to the lush landscape and vibrant ecosystems typical of this enchanting coastal region. This transitional month sets the stage for drier weather heading into the new year, as the heavy rains gradually recede.
As December arrives in Unawatuna, Sri Lanka, the humidity levels settle at 82%, reflecting a steady trend observed throughout the year. Following a seasonal pattern, humidity peaks in June and October at 83%, making these months feel particularly moist and tropical. In contrast, the early months of the year—January to May—experience slightly lower humidity levels, ranging from 76% to 80%. Overall, December's humidity fits well within this continuum, hinting at the area's consistent tropical climate that embraces visitors with its warm and humid embrace. The relatively high humidity in December not only enhances the atmosphere but also underscores Unawatuna’s allure as a serene beach destination, ideal for those looking to escape into a tropical paradise.
As December rolls into Unawatuna, Sri Lanka, the UV Index stands at 11, indicating an extreme level of sun exposure similar to the preceding months. Throughout the year, the UV Index has fluctuated only slightly, peaking at 15 in March and April, while consistently remaining high with a burn time of just 10 minutes across all months. This trend highlights the importance of sun safety year-round, as the chances of skin damage remain significant even in the cooler season. For more detailed insights on the sun's intensity in this beautiful coastal town, check out the Unawatuna UV Index.
UV Risk Categories
In December, Unawatuna, Sri Lanka, continues to bask in the glow of abundant sunshine with 309 hours of daylight. This delightful month marks a slight dip from November's 294 hours, yet remains well above the early months of the year. As the year progresses, the trend showcases an impressive increase in sunshine hours, peaking in the mid-year with July's remarkable 339 hours. This steady accumulation of sunlight not only enhances the natural beauty of Unawatuna's stunning beaches but also invites travelers to soak up the vibrant atmosphere as the year draws to a close. December serves as a reminder of the region's tropical allure, making it an ideal escape for those seeking warmth and radiance during the winter months.
When considering the likelihood of sunny weather in December in Unawatuna, Sri Lanka, you'll be pleased to know that the chances are quite favorable at 49%. This marks a significant increase compared to the previous months, particularly when you look at November's lower 18% probability. As the year winds down, December transitions into a more optimistic weather pattern, providing a delightful contrast to the earlier, much cloudier months like August and July, which plummet to single-digit chances of sunshine. With the potential for more sun, December offers an inviting opportunity for visitors seeking to bask in the warmth and beauty of Unawatuna's coast.
In Unawatuna, Sri Lanka, the daylight duration exhibits a fascinating rhythm throughout the year. Starting with a stable 11 hours of daylight in both January and February, the days gradually lengthen as spring approaches, peaking at 12 hours from March to September. This consistent stretch of daylight creates an inviting atmosphere perfect for beach outings and outdoor adventures. As autumn sets in, daylight starts to taper off again, returning to 11 hours in December, echoing the beginning of the year. This trend reflects a picturesque cycle of light, aligning beautifully with the region’s tropical charm and vibrant culture.
In December, the winds of Unawatuna, Sri Lanka gently retreat to an average speed of 2.2 m/s (5 mph), marking a significant drop from the gusty peak reached in the previous months. This month transitions from the vibrant breezes of July and June, where wind speeds soar above 6 m/s, to a softer, more tranquil atmosphere. As the year draws to a close, the mellow winds create a serene backdrop for beachgoers and nature lovers, reminiscent of the calm and stillness often associated with the beauty of tropical landscapes. With wind speeds tapering off, December offers a unique opportunity to embrace the gentle embrace of the sea breeze, ideal for relaxing under the sun or enjoying the mesmerizing sunset views along the coastline.
The weather in Unawatuna 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 Unawatuna and find detailed weather information for every month.
In December, the weather is characterized by warm temperatures, with minimums around 25°C (77°F) and a maximum of 30°C (85°F), averaging at 27°C (80°F). However, December is quite wet, experiencing significant precipitation of 151 mm (5.9 inches) over 19 days, resulting in high humidity levels reaching 82%. In contrast, January sees slightly cooler minimum temperatures at 24°C (76°F) but can peak higher, reaching up to 31°C (88°F), while maintaining the same average of 27°C (80°F). Notably, January is much drier, with only 60 mm (2.4 inches) of rain over 11 days and a modest drop in humidity to 80%. For a more detailed look at the weather in January, check out Unawatuna weather in January.
In December, the weather tends to be quite humid and rainy, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (85°F). The month experiences an average temperature of 27°C (80°F) along with significant precipitation of 151 mm (5.9 in) over 19 days, resulting in a humidity level of 82%. In contrast, February sees slightly warmer maximum temperatures, reaching up to 32°C (89°F), while maintaining a similar average of 27°C (81°F). Precipitation drops considerably to 62 mm (2.4 in) over just 12 days, creating a less humid environment with 77% humidity. For more detailed insights, you can check Unawatuna weather in February.
In December, the weather tends to be warm and humid, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (85°F) and an average of 27°C (80°F). This month also experiences considerable rainfall, accumulating 151 mm (5.9 in) over 19 days, with humidity levels at a high 82%.
In contrast, March sees slightly higher maximum temperatures peaking at 32°C (89°F), while maintaining the same minimum and average temperatures as December. However, precipitation decreases to 89 mm (3.5 in) over 17 days, and humidity drops to 77%. This results in March being drier and a bit warmer overall compared to December. For more detailed information, check Unawatuna weather in March.
In December, the weather exhibits a warm climate with minimum temperatures around 25°C (77°F) and average highs reaching 30°C (85°F), accompanied by significant precipitation of 151 mm (5.9 in) over 19 days, resulting in a humidity level of 82%. In contrast, April sees slightly higher average temperatures, peaking at 31°C (89°F), but with a lower total rainfall of 137 mm (5.4 in) spread over 24 days, leading to a more comfortable humidity of 77%. This shift in weather not only indicates a gradual warming but also reflects a reduction in overall dampness as the season transitions. For a more detailed look at April's conditions, check out Unawatuna weather in April.
In December, the weather is warm with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (85°F), accompanied by an average humidity of 82%. However, it experiences considerable rainfall, with 151 mm (5.9 in) spread over 19 days. In contrast, May shows slightly higher temperatures, reaching a maximum of 31°C (87°F) and averaging 28°C (82°F), but it is significantly wetter, with 289 mm (11.4 in) of precipitation over 28 days and a lower humidity of 76%. For a detailed look at the weather conditions in May, you can check Unawatuna weather in May.
When comparing the weather in December and June, both months exhibit similar temperature ranges, with minimums around 25°C (77°F), averages at 27°C (80°F), and maximums reaching up to 30°C (85°F). However, June experiences significantly more rainfall, with precipitation levels at 237 mm (9.3 in) over 28 days, compared to December’s 151 mm (5.9 in) over just 19 days. Additionally, June has a slightly higher humidity level at 83%, compared to December's 82%. For more detailed insights, you can check Unawatuna weather in June.
In December, the weather in Unawatuna is characterized by a warm temperature range, with minimums around 25°C (77°F) and maximums reaching up to 30°C (85°F), along with an average temperature of 27°C (80°F). The month is relatively wet, experiencing 151 mm (5.9 in) of precipitation over 19 days, combined with high humidity levels of 82%. In contrast, July also exhibits similar warm temperatures; however, it boasts slightly lower maximums at 29°C (85°F) and a comparable average of 27°C (81°F). Nonetheless, July tends to be rainier, receiving 207 mm (8.1 in) of rainfall over 28 days, accompanied by a humidity level of 81%. For more detailed information on July weather, you can visit Unawatuna weather in July.
Comparing the weather in December and August reveals some notable similarities and differences. Both months have a minimum temperature of around 25°C (77°F) and an average temperature of 27°C (80°F). However, December experiences slightly higher maximum temperatures reaching 30°C (85°F), while August peaks at 29°C (84°F). Precipitation is significantly higher in August, with 219 mm (8.6 in) over 27 rainy days compared to December's 151 mm (5.9 in) across 19 rainy days. Interestingly, humidity levels remain constant at 82% in both months. For more detailed information, visit Unawatuna weather in August.
In December, the weather remains warm and humid, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (85°F) and an average of 27°C (80°F). However, December experiences significantly less rainfall, with total precipitation at 151 mm (5.9 in) over 19 days. In contrast, September also boasts similar temperatures, with a minimum of 25°C (77°F), an average of 27°C (80°F), and a maximum of 29°C (84°F), but sees much higher rainfall at 235 mm (9.3 in) over 27 days. Both months share the same humidity level of 82%, yet September is characterized by more frequent rainfall. For more detailed insights, you can check Unawatuna weather in September.
When comparing the weather in December and October, both months feature similar temperatures, with an average of 27°C (80°F), but there are notable differences in precipitation and humidity. December sees slightly lower maximum temperatures, peaking at 30°C (85°F), compared to October's max of 29°C (84°F). However, October experiences significantly higher precipitation, totaling 259 mm (10.2 in) over 28 days, while December has 151 mm (5.9 in) spread over 19 days. Interestingly, the humidity remains quite comparable, with October at 83% and December at 82%. For more detailed information on weather conditions during this time, you can check Unawatuna weather in October.
In comparing December and November weather, both months exhibit warm temperatures, with December showing a minimum of 25°C (77°F) and an average of 27°C (80°F), similar to November's minimum of 24°C (75°F) and an average of 27°C (80°F). However, December experiences slightly less precipitation, with 151 mm (5.9 in) falling over 19 days compared to November's 223 mm (8.8 in) over 25 days. Humidity levels remain high in both months, with December at 82% and November slightly lower at 81%. For a more detailed look at November’s weather conditions, you can visit Unawatuna weather in November.
December in Unawatuna presents a steamy tropical charm with warm temperatures and a notable increase in rainfall compared to other months. While the maximum temperature hovers around a comfortable 30°C (85°F), the high humidity, reaching 82%, can make the air feel heavier. The month is marked by frequent showers, with over half of December experiencing some precipitation, creating a lush landscape that is perfect for adventure and relaxation alike. If you're planning a visit, be prepared for the occasional downpour as you soak in the vibrant ambiance of this coastal paradise. For a deeper understanding of what to expect year-round, check out the detailed Unawatuna Climate.