Last updated: March 19, 2025
May in Unawatuna, Sri Lanka is characterized by warm tropical temperatures, with a maximum reaching 31°C (87°F) and an average of 28°C (82°F). Visitors should prepare for a blend of heat and humidity, as the minimum temperature hovers around 25°C (78°F), with an average humidity level of 76%. Rainfall is prevalent, with 289 mm (11.4 in) of precipitation spread over 28 days, making this month a vibrant, albeit wet, time to experience the lush landscapes and rich biodiversity of the region. Ideal for those who enjoy a tropical climate, May invites adventure amidst the beauty of Unawatuna's scenic allure.
In May, Unawatuna, Sri Lanka, welcomes warm and inviting temperatures as the transition into the summer season continues. The minimum temperature settles at a comfortable 25°C (78°F), while the average hovers around 28°C (82°F), providing the perfect backdrop for beach lovers and exploration enthusiasts alike. With maximum temperatures reaching about 31°C (87°F), visitors can expect plenty of sunshine interspersed with the occasional rainfall that heralds the approaching monsoon. This month stands out with a consistent warmth that mirrors the preceding months, making May an ideal time to enjoy the vibrant coastal life and lush landscapes of this tropical paradise.
May marks a significant peak in precipitation in Unawatuna, Sri Lanka, with an impressive 289 mm (11.4 in) of rain falling over 28 days. This surge in moisture contrasts sharply with the lighter rainfall earlier in the year, showcasing a dramatic shift from 137 mm (5.4 in) in April. The steady increase in precipitation from March through May indicates the arrival of the monsoon season, which not only enriches the natural landscape but also transforms the vibrant coastal community into a lush paradise. As the skies open, locals and visitors alike experience the refreshing embrace of tropical rain, punctuating the month with rhythmic showers that nourish both the land and the spirit.
In May, Unawatuna, Sri Lanka experiences a slight dip in humidity, reaching 76%. This marks a subtle decline from the 80% in January and 77% from the preceding months of February through April. Interestingly, as the region transitions into the early monsoon season, the humidity begins to climb again in June. The progression reflects a gradual increase after May, peaking at 83% in June and October. With this seasonal fluctuation, May stands out as a brief period of lower humidity before the more humid months of the year take hold, making it a potentially pleasant time for those seeking a balance between warmth and comfort.
In May, Unawatuna, Sri Lanka, maintains a UV Index of 14, classifying it as an extreme exposure month with a burn time of just 10 minutes. This slight dip from April's peak UV Index of 15 underscores a continuing trend of intense solar radiation in this coastal paradise. Overall, the months from January through June show remarkably high UV levels, indicating that visitors should be vigilant about sun protection during their stay. As you bask in the tropical sun, don't forget to check the Unawatuna UV Index for your safety!
UV Risk Categories
In Unawatuna, Sri Lanka, May shines brightly with an impressive 329 hours of sunshine, maintaining a delightful ambiance as the dry season approaches its peak. The month enjoys a wonderful consistency, with sunlight hours only slightly dipping from April's 332 hours. This trend of abundant sunshine continues through the early summer, characterized by a steady climb from the 273 hours in January to a high of 339 hours in July. With only a few clouds dotting the azure sky, May offers an idyllic setting for beachgoers and nature lovers alike, making it an ideal time to soak up the sun before the monsoon season arrives. As the sun lingers longer in the sky, Unawatuna becomes a vibrant paradise, inviting travelers to relish in its warm glow.
In Unawatuna, Sri Lanka, the likelihood of sunny weather in May is notably low, with only an 18% chance of sunshine. This figure marks a significant drop from the relatively sunnier months of April and February, which boast chances of 48% and 42% respectively. Additionally, as the year progresses into the monsoon season, the trend appears to decline further, with June and July experiencing even lower probabilities of sunshine at 24% and 16%. Thus, if you're planning a sun-soaked getaway in May, it's wise to prepare for the possibility of rain, as the weather leans more towards the cloudy and damp side during this time.
In Unawatuna, Sri Lanka, daylight duration showcases a rhythmic pattern throughout the year. From January to April, the days begin with a consistent 11 hours of daylight, gradually blossoming into 12 hours by March, marking the onset of spring. This trend of longer days continues steadily from May to September, providing an ample 12 hours of sunlight that invites outdoor activities and exploration. As autumn approaches in October, daylight begins to taper off once again, returning to 11 hours by November and maintaining this duration through December. This cycle creates a balanced environment, perfect for both relaxation and adventure amidst the stunning coastal scenery.
In Unawatuna, Sri Lanka, the May winds provide a refreshing shift as average wind speeds increase to 4.9 m/s (11 mph), marking a notable rise compared to the preceding months. After a gradual ascent from the calm of January's 2.3 m/s, the gentle breezes from March and April hint at the brewing energy of early summer. As May unveils its vibrant atmosphere, the winds intensify, paving the way for even stronger gusts in the coming months, peaking in July at 6.8 m/s (15 mph). This trend not only enhances the comfort of coastal activities but also offers an exhilarating backdrop for both local life and visitors, making Unawatuna an inviting haven as the season advances.
The weather in Unawatuna changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May'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.
When comparing the weather in May and January, it’s evident that both months are warm, but May tends to be more humid and significantly wetter. In May, the average temperature hovers around 28°C (82°F) with highs reaching up to 31°C (87°F), while January's average temperature is slightly cooler at 27°C (80°F). Notably, May experiences a much higher precipitation level of 289 mm (11.4 in) across 28 days, compared to just 60 mm (2.4 in) over 11 days in January. Additionally, the humidity in May is around 76%, slightly lower than January's 80%. Overall, January offers a drier and marginally cooler climate, making it a more pleasant choice for outdoor activities. For more detailed information, you can check Unawatuna weather in January.
When comparing the weather in May and February, we can see some notable differences. May typically has slightly warmer temperatures, with a minimum of 25°C (78°F) and an average of 28°C (82°F), while February's minimum is 24°C (76°F) with an average of 27°C (81°F). However, February can reach a higher maximum temperature of 32°C (89°F) compared to May's maximum of 31°C (87°F). Precipitation levels also vary significantly; May experiences much heavier rainfall, with 289 mm (11.4 in) over 28 days, whereas February has considerably less, at just 62 mm (2.4 in) over 12 days. Humidity levels are similar, with May at 76% and February slightly higher at 77%. For more detailed information, you can check the Unawatuna weather in February.
May and March in Unawatuna present contrasting weather patterns. Both months have similar minimum temperatures, with March having a slightly lower average temperature of 27°C (82°F) compared to May's 28°C (82°F). However, March can reach higher maximum temperatures, up to 32°C (89°F), whereas May peaks at 31°C (87°F). Notably, May is characterized by significantly higher precipitation, totaling 289 mm (11.4 in) over 28 days, compared to March's 89 mm (3.5 in) over just 17 days, making May a much wetter month despite similar humidity levels of around 76-77%. For a deeper understanding of the March climate, you can visit Unawatuna weather in March.
In comparing the weather between April and May, both months exhibit similar temperature ranges, with minimums around 25°C (77-78°F) and averages peaking at 28°C (82°F). However, May sees a notable increase in precipitation, receiving 289 mm (11.4 in) over 28 days compared to April's 137 mm (5.4 in) spread across 24 days. Additionally, humidity levels are slightly lower in April at 77%, while May maintains a higher average of 76%. For a more detailed overview, you can check Unawatuna weather in April.
In comparing the weather between May and June, we observe that both months maintain a warm climate, with May experiencing slightly higher average temperatures, peaking at 31°C (87°F), while June's maximum temperature reaches 30°C (85°F). Despite the similar temperature ranges, May is notably wetter, with 289 mm (11.4 in) of precipitation compared to June's 237 mm (9.3 in), despite both months having rain on 28 days. Additionally, June exhibits higher humidity at 83%, compared to 76% in May. For those looking for more detailed insights, check out Unawatuna weather in June.
In May, the weather is characterized by warmer temperatures, with a minimum of 25°C (78°F), an average of 28°C (82°F), and a maximum reaching 31°C (87°F). This month is also quite rainy, with a significant total precipitation of 289 mm (11.4 in) over 28 days and humidity levels at 76%. In contrast, July sees slightly cooler temperatures, with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). The rainfall in July is reduced to 207 mm (8.1 in), while humidity rises to 81%, maintaining the month’s overall wetness. For more detailed information on July weather, you can check Unawatuna weather in July.
In comparing the weather between May and August, we see that both months experience warm temperatures, but May is generally a bit warmer with an average temperature of 28°C (82°F) compared to August's 27°C (80°F). However, both months share the same minimum temperature of 25°C (76°F). Precipitation is higher in May, with 289 mm (11.4 in) across 28 days, while August receives 219 mm (8.6 in) over 27 days. Additionally, humidity is slightly higher in August at 82%, compared to 76% in May. For more detailed insights, you can check Unawatuna weather in August.
In May, temperatures tend to be warmer, with a minimum of 25°C (78°F) and an average high of 31°C (87°F), contrasted with September, where the temperatures are slightly cooler, ranging from a minimum of 25°C (77°F) to a maximum of 29°C (84°F). Additionally, May experiences heavier rainfall, with total precipitation reaching 289 mm (11.4 in) over 28 days, while September sees less rain, totaling 235 mm (9.3 in) across 27 days. Humidity is notably higher in September at 82%, compared to May's 76%. For more details on the weather during this month, you can visit Unawatuna weather in September.
May and October exhibit similar warm temperatures, with average highs around 28-31°C (82-87°F), although October tends to be slightly cooler, with a maximum of 29°C (84°F). Both months experience considerable rainfall, with May receiving about 289 mm (11.4 in) compared to October's 259 mm (10.2 in), reflecting the onset of the monsoon season. Humidity levels are notably higher in October, reaching 83% versus 76% in May. This increased humidity may make October feel a bit more oppressive, despite the lower temperatures. For more detailed insights, check out Unawatuna weather in October.
In May, the weather is characterized by slightly warmer temperatures, with a minimum of 25°C (78°F) and an average high of 31°C (87°F). It also experiences higher levels of precipitation, totaling 289 mm (11.4 in) over 28 days, contributing to a humidity of 76%. In contrast, November sees a marginally cooler climate with temperatures ranging from a minimum of 24°C (75°F) to an average maximum of 30°C (86°F). Precipitation is less, at 223 mm (8.8 in) over 25 days, and the humidity slightly increases to 81%. For more detailed insights into November weather, you can check Unawatuna weather in November.
May and December present distinctly different weather patterns. In May, temperatures range from a minimum of 25°C (78°F) to a maximum of 31°C (87°F), with an average of 28°C (82°F). This month experiences significantly higher precipitation, totaling 289 mm (11.4 in) across 28 days, coupled with humidity at 76%. In contrast, December offers slightly cooler temperatures, with a minimum of 25°C (77°F) and a maximum of 30°C (85°F), averaging 27°C (80°F). Precipitation drops to 151 mm (5.9 in) over 19 days, and humidity rises to 82%. For more insights on December weather, you can check Unawatuna weather in December.
May in Unawatuna brings a shift in weather dynamics, characterized by higher humidity and increased rainfall compared to previous months. With temperatures averaging around 28°C (82°F), it remains warm, but the 289 mm of precipitation over nearly the entire month adds a lush vibrancy to the surroundings. This is a stark contrast to the drier conditions that often dominate earlier in the year. Travelers should prepare for the moist atmosphere and occasional downpours, which can enhance the region's beauty but may also impact outdoor activities. For a deeper understanding of the weather patterns throughout the year, explore Unawatuna Climate.