Last updated: March 19, 2025
January in Unawatuna, Sri Lanka offers a warm tropical ambiance, with temperatures reaching a maximum of 31°C (88°F) and dipping to a comfortable minimum of 24°C (76°F). The average temperature settles at a pleasant 27°C (80°F), making it an inviting time for beachgoers. However, visitors should brace for occasional rain, as the month sees around 60 mm (2.4 in) of precipitation scattered over 11 days, contributing to a humidity level of 80%. This blend of warmth and moisture maintains the region's lush greenery, enhancing the natural beauty of this coastal paradise.
In Unawatuna, Sri Lanka, January welcomes warm temperatures that create a perfect setting for beach lovers. With a minimum temperature of 24°C (76°F) and an average of 27°C (80°F), the island is ideal for sun-soaked adventures. The maximum temperature can reach a pleasantly warm 31°C (88°F), making outdoor activities enticing and enjoyable. As the month progresses into February, temperatures slightly rise, hinting at the consistent warmth that characterizes the region. Throughout this period, the weather remains stable, with only minor fluctuations, which is typical for the coastal area. The combination of gentle breezes and warm sunshine makes January a fantastic time to explore Unawatuna’s stunning beaches and vibrant local culture.
In January, Unawatuna experiences relatively light rainfall, with an average precipitation of 60 mm (2.4 in) spread over approximately 11 days. This marks the beginning of the wetter months, as precipitation gradually increases, culminating in much heavier rainfall by May, when the region sees nearly 289 mm (11.4 in) over about 28 days. The trend of increasing rainfall continues into the following months, with April and June also recording significant totals. Interestingly, while January's precipitation is modest compared to the subsequent months, it sets the stage for the lush green landscapes that characterize the tropical climate of Unawatuna later in the year.
In January, Unawatuna's humidity starts off at a significant 80%, setting the tone for a tropical climate that remains consistently moist throughout the year. As the months unfold, humidity levels stabilize, with February to April seeing a slight dip to 77% before returning to 76% in May. However, the onset of the monsoon around June brings a surge in moisture, pushing humidity up to 83%. This trend continues through the latter half of the year, with levels hovering around 81% to 83% from June to October. Notably, the humidity in November and December remains relatively high at 81% and 82%, respectively, ensuring that the lush, vibrant atmosphere of Unawatuna is a defining feature year-round. Overall, the humidity in Unawatuna creates a warm and inviting environment, ideal for beachgoers and nature enthusiasts alike.
In January, Unawatuna, Sri Lanka, experiences a UVI of 13, placing it in the extreme exposure category, meaning you should limit unprotected sun exposure to just 10 minutes to avoid sunburn. This trend of extreme UV conditions continues throughout the months, peaking in March and April with a staggering UVI of 15. Even as the year progresses into the slightly milder months of November and December, the UVI remains notably high at 11, requiring vigilance against sun exposure. With such consistently extreme UV levels, it is essential for visitors and locals alike to take sun safety seriously. For more details on the UV index throughout the year, check out Unawatuna UV Index.
UV Risk Categories
In January, Unawatuna welcomes the year with a splendid 273 hours of sunshine, setting a bright tone for the months to come. As the season progresses, the sun seems to intensify its embrace, peaking in July with an impressive 339 hours. This trend of abundant sunshine creates an inviting atmosphere for beachgoers and nature lovers alike. Following July, the daylight hours remain generous through August and September, before gradually tapering off to 294 hours in November. Overall, the sunshine patterns in Unawatuna not only signify a tropical paradise but also promise a vibrant experience for visitors seeking warmth and adventure throughout the year.
In January, Unawatuna, Sri Lanka, offers a modest 20% chance of sunny weather, making it a less ideal time for sun-seekers compared to the months that follow. As the year progresses, the likelihood of sunshine significantly increases, peaking in April with a delightful 48%. Interestingly, February and March also show promising sunny potential at 42% and 34% respectively. However, the sunny vibes take a dip again in May, plunging to 18%, before slowly climbing back up towards the end of the year, with December enjoying a sunny highlight at 49%. This trend illustrates that while January may feel a bit gloomy, the subsequent months provide ample opportunities to bask in the glorious Sri Lankan sunshine.
In Unawatuna, Sri Lanka, the daylight duration in January offers a beautiful canvas of 11 hours, setting the tone for a month filled with vibrant sunlit experiences. This consistent daylight extends through February, maintaining the same length before gradually expanding in March to 12 hours. The trend of 12 hours of daylight continues through the following months, from April to August, allowing ample time for both adventure and relaxation. As September rolls in, daylight remains steady for another month before tapering back to 11 hours in October, continuing this pattern through to the end of the year in November and December. This rhythmic cycle creates a balanced experience in Unawatuna, where the sunlight invites exploration and serene moments alike throughout the year.
In January, the winds in Unawatuna, Sri Lanka start off relatively calm, with an average speed of 2.3 m/s (5 mph), creating a serene atmosphere perfect for beach activities and leisurely strolls along the shoreline. As the month progresses into February, the breeze slightly eases to 2.1 m/s (5 mph), maintaining the tranquil vibe. However, as the year unfolds into the spring months, there’s a gradual uptick in wind speed, reaching 2.5 m/s (6 mph) in March and climbing further to 3.1 m/s (7 mph) in April. This increasing momentum continues into the later months, with a notable surge in May at 4.9 m/s (11 mph). By July, the wind reaches its peak at 6.8 m/s (15 mph), transforming the atmosphere and inviting a more exhilarating experience for wind sports enthusiasts. As the year wanes, the winds mellow again, gradually tapering off to 5.0 m/s (11 mph) in November and concluding the year at 2.2 m/s (5 mph) in December. This seasonal ebb and flow of wind not only enhances the region's charm but also influences the activities and experiences available to locals and visitors alike.
The weather in Unawatuna 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 Unawatuna and find detailed weather information for every month.
In January, temperatures in Unawatuna typically range from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), with an average temperature of 27°C (80°F). The month experiences around 60 mm (2.4 in) of precipitation over approximately 11 days, with humidity levels at around 80%. In contrast, February sees a slight increase in temperatures, with a maximum reaching 32°C (89°F) and an average of 27°C (81°F), while the minimum remains the same at 24°C (76°F). Precipitation rises ever so slightly to 62 mm (2.4 in) over 12 days, with humidity decreasing to 77%. For a more detailed look at what to expect, check out Unawatuna weather in February.
In January, Unawatuna experiences a warm tropical climate with minimum temperatures around 24°C (76°F) and an average of 27°C (80°F). The month brings about 60 mm (2.4 in) of precipitation over 11 days, with humidity levels at 80%. In contrast, March sees slightly higher temperatures, with a minimum of 25°C (77°F) and a maximum of 32°C (89°F), alongside increased precipitation of 89 mm (3.5 in) spread over 17 days. Interestingly, humidity drops to 77% in March, making it feel a bit less muggy compared to January. For more details on the weather in March, you can visit Unawatuna weather in March.
In January, the weather features a warm atmosphere with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), averaging around 27°C (80°F). During this month, there is moderate precipitation of 60 mm (2.4 in) spread over 11 days, coupled with high humidity levels at 80%, making it quite a humid period. In contrast, April sees slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 31°C (89°F), averaging 28°C (82°F). However, it experiences significantly higher rainfall, totaling 137 mm (5.4 in) over 24 days and slightly lower humidity at 77%. For more detailed insights about April's weather, you can visit Unawatuna weather in April.
In January, the weather is warm and relatively dry, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F) and an average of 27°C (80°F). During this month, there is a modest amount of precipitation totaling 60 mm (2.4 inches) over 11 days, coupled with high humidity at 80%. In contrast, May experiences slightly higher temperatures, with a minimum of 25°C (78°F) and an average of 28°C (82°F), but similar maximum temperatures of 31°C (87°F). However, May sees a significant increase in rainfall, accumulating 289 mm (11.4 inches) over 28 days, and a slightly lower humidity level of 76%. For more detailed climate information, you can refer to Unawatuna weather in May.
In January, the weather is generally warm with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), accompanied by moderate humidity at 80%. Precipitation is relatively low, with 60 mm (2.4 in) falling over just 11 days. In contrast, June experiences slightly higher minimum temperatures at 25°C (77°F) and a cooler maximum of 30°C (85°F), but it is significantly wetter, with rainfall reaching 237 mm (9.3 in) across 28 days and humidity rising to 83%. For more detailed information, you can check Unawatuna weather in June.
In January, the weather is typically warm, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F) and an average of 27°C (80°F). This month experiences roughly 60 mm (2.4 in) of precipitation over 11 days, contributing to a humidity level of around 80%. In contrast, July sees a slightly higher minimum temperature of 25°C (77°F) and a similar average of 27°C (81°F), but the maximum temperature is more moderate at 29°C (85°F). July is significantly wetter, with precipitation reaching 207 mm (8.1 in) on 28 days, resulting in a humidity level of 81%. This shift underscores a clear difference in weather patterns between the two months. For more specifics on July's conditions, check out Unawatuna weather in July.
In January, temperatures in Unawatuna range from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), with an average temperature of 27°C (80°F). The month sees relatively moderate precipitation, totaling 60 mm (2.4 in) over about 11 days, and humidity levels hover around 80%. In contrast, August experiences slightly higher minimum temperatures of 25°C (76°F) and a lower maximum of 29°C (84°F), while still maintaining an average of 27°C (80°F). However, August is significantly wetter, receiving 219 mm (8.6 in) of rain across 27 days and slightly higher humidity at 82%. For more detailed insights on weather in August, check Unawatuna weather in August.
In January, the weather in Unawatuna boasts warm temperatures, with a minimum of 24°C (76°F), an average of 27°C (80°F), and a maximum of 31°C (88°F). The month experiences relatively low precipitation, totaling 60 mm (2.4 in) over about 11 days, coupled with high humidity at 80%. In contrast, September brings slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 29°C (84°F), but is characterized by significantly higher rainfall of 235 mm (9.3 in) across 27 days and a slightly increased humidity of 82%. For more details on the weather in September, you can check Unawatuna weather in September.
In January, the weather in Unawatuna is warm and relatively dry, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F) and an average of 27°C (80°F). The month experiences around 60 mm (2.4 in) of precipitation over 11 days, resulting in a humidity level of 80%. In contrast, October sees slightly warmer minimum temperatures at 25°C (77°F) and a maximum of 29°C (84°F), while maintaining the same average of 27°C (80°F). However, October brings a significant increase in rainfall, with 259 mm (10.2 in) spread over 28 days and a humidity level of 83%. For a more detailed insight into October's weather, you can check Unawatuna weather in October.
When comparing the weather in January and November, we see some notable differences. Both months have similar temperature ranges, with January averaging 27°C (80°F) and November also at 27°C (80°F). However, November tends to be slightly cooler with a maximum of 30°C (86°F) compared to January's 31°C (88°F). A significant contrast lies in precipitation; November experiences much heavier rainfall, with 223 mm (8.8 in) over 25 days, compared to January's 60 mm (2.4 in) over 11 days. Additionally, humidity levels are relatively consistent, with January at 80% and November slightly higher at 81%. For more detailed insights, you can explore Unawatuna weather in November.
In comparing the weather between January and December, both months display relatively similar average temperatures, hovering around 27°C (80°F). However, January tends to be slightly warmer, with maximum temperatures reaching up to 31°C (88°F), compared to December's peak of 30°C (85°F). Precipitation is significantly lower in January, with 60 mm (2.4 in) falling over 11 days, while December experiences a wetter climate with 151 mm (5.9 in) over 19 days. Additionally, humidity levels are quite comparable, though December is marginally higher at 82%, compared to January's 80%. For a detailed look at December's weather, you can visit Unawatuna weather in December.
In January, Unawatuna experiences warm and inviting weather, with average temperatures hovering around a comfortable 27°C (80°F), making it an ideal time for beachgoers and nature enthusiasts alike. While there are occasional rain showers—with precipitation recorded on 11 days—the overall humidity remains high at 80%, giving the air that tropical feel. Compared to other months, January stands out for its balanced climate, blending sunny days and periodic rain, setting the stage for lush landscapes and vibrant marine life. For a deeper dive into the climatic trends, explore our comprehensive guide on Unawatuna Climate.