Last updated: March 19, 2025
In May, Trincomalee, Sri Lanka experiences a dynamic blend of warm temperatures and moderate rainfall. With maximums reaching 36°C (96°F) and an average of 29°C (85°F), the days are characterized by a tropical warmth that invites both locals and travelers to enjoy outdoor activities. Minimum temperatures hover around 25°C (78°F), ensuring comfortable evenings. This month also sees about 65 mm (2.6 in) of precipitation spread across 12 days, contributing to the region's lush landscapes. The high humidity level of 75% adds a touch of tropical intensity, making May a vibrant, albeit humid, time to experience the beauty of Trincomalee.
In May, Trincomalee, Sri Lanka, experiences a notable warming trend, with temperatures reaching a maximum of 36°C (96°F), making it one of the hottest months of the year. The minimum temperature sits at a comfortable 25°C (78°F), while the average temperature hovers around 29°C (85°F). This signifies a steady increase from the previous months, where April already introduced higher readings. As the month progresses, visitors can expect warm and inviting conditions, perfect for enjoying the stunning beaches and vibrant coastal culture. Indeed, May marks the height of warmth, setting the stage for the summer months ahead, as temperatures continue to reflect a tropical paradise.
In May, Trincomalee experiences a moderate increase in precipitation, receiving 65 mm (2.6 in) of rainfall over 12 days. This marks a slight rise from the preceding months, notably following April’s lower total of 38 mm (1.5 in), signaling a transition toward the wetter season. As the year progresses, precipitation significantly ramps up, culminating in the peak months of October and November, when the region is drenched with 199 mm (7.8 in) and 359 mm (14.2 in), respectively. This gradual buildup in May acts as a precursor to the intense downpours that characterize the latter part of the year, reflecting the overall shift from drier conditions to the famed monsoonal rains of Sri Lanka.
In May, Trincomalee experiences a humidity level of 75%, consistent with the trend of moderate humidity seen in the preceding months. This slight increase from April's 72% marks the beginning of a gradual rise that peaks during the monsoon season, where the humidity climbs to its highest in the following months. Overall, May stands out as a transitional month, poised between the drier early year and the more humid summer, creating a blend of warmth and moisture that helps set the stage for the lush greenery that follows.
As we look at the UV Index trends in Trincomalee, Sri Lanka, during the month of May, we observe that it maintains a high level, measuring 13 on the scale, which falls within the extreme exposure category. This consistency with previous months—especially March at 15 and April at 14—highlights a period where sun safety is crucial. With a burn time of just 10 minutes, those enjoying the beautiful sunshine need to be vigilant about protecting their skin. The pattern of elevated UV levels continues into the subsequent months, making understanding this data vital for both locals and visitors. For more in-depth information, visit Trincomalee UV Index.
UV Risk Categories
May in Trincomalee, Sri Lanka basks in an impressive 341 hours of sunshine, contributing to a delightful atmosphere that welcomes visitors to its stunning beaches and vibrant culture. As the fifth month of the year unfolds, the sunshine hours follow a consistent pattern seen from January to July, where daylight remains abundant, hovering around the 340-hour mark. This is a slight decline from the sunniest month, March, which boasts a peak of 346 hours. The gradual decrease in sunny hours from the early months signals the onset of the southwest monsoon, yet May still shines brightly, promising plenty of opportunities for outdoor adventures. Whether you're soaking up the sun or exploring the lush landscapes, the warmth and light of May make it a beautiful time to experience the charm of Trincomalee.
As May approaches in Trincomalee, Sri Lanka, the likelihood of experiencing sunny weather notably declines, dropping to a modest 22% chance of sunshine. This period follows the peak of April, which enjoys a much brighter 56% probability of clear skies. Notably, after a promising February and March, both at 44%, May's weather shifts towards the gloomier patterns established in the following months, where June and July languish at 25% and 20%, respectively. With the rainy season looming and the sun's presence diminishing, travelers considering a May visit should be prepared for potential overcast days amidst the tropical warmth.
In Trincomalee, Sri Lanka, the daylight duration exhibits a striking pattern throughout the year. Beginning with a consistent 11 hours in January and February, the days gradually lengthen as spring approaches, peaking at 12 hours in March. This extended daylight continues into the summer months, maintaining a delightful 12 hours from April through September. As autumn arrives, daylight begins to retreat, reverting back to 11 hours by October and persisting through the remaining months. This rhythmic cycle not only highlights the region's tropical climate but also offers residents and visitors alike ample opportunity to savor the beauty of its stunning landscapes under the sun.
In Trincomalee, Sri Lanka, the month of May marks a noticeable uptick in wind activity, with average wind speeds reaching 4.6 m/s (10 mph). This increase stands out against the calmer backdrop of the preceding months, particularly April, which sees the lowest wind speed of just 2.6 m/s (6 mph). As May transitions into the summer months, the winds continue to strengthen, paving the way for June and July, where speeds peak at 5.8 m/s (13 mph). This pattern highlights a distinct seasonal shift, as the gentle breezes of early spring give way to stronger winds, making May a delightful time for sailing enthusiasts and outdoor adventurers seeking the invigorating coastal breezes of this beautiful region.
The weather in Trincomalee 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 Trincomalee and find detailed weather information for every month.
May typically experiences higher temperatures, averaging around 29°C (85°F) with maximums reaching up to 36°C (96°F), while January offers cooler temperatures, with an average of 26°C (79°F) and a maximum of 29°C (84°F). In terms of precipitation, January is notably wetter than May, boasting 130 mm (5.1 in) over 13 days compared to May's 65 mm (2.6 in) over 12 days. Furthermore, humidity levels are slightly higher in January at 79%, compared to 75% in May. For more detailed information, you can visit Trincomalee weather in January.
When comparing the weather in May to February, we see significant differences in temperature and precipitation. May generally experiences higher temperatures, with a minimum of 25°C (78°F) and an average of 29°C (85°F), peaking at 36°C (96°F). In contrast, February boasts a slightly cooler range, with minimum temperatures of 22°C (72°F), an average of 26°C (79°F), and a maximum of 30°C (86°F). While both months have similar humidity levels of 75% and approximately 12 days of precipitation, May has a higher total rainfall of 65 mm (2.6 in) compared to February's 56 mm (2.2 in). For more insights about February weather, you can visit Trincomalee weather in February.
In Trincomalee, March generally features slightly cooler temperatures compared to May, with average highs of 32°C (91°F) versus 36°C (96°F) in May. While March has a minimum temperature of 24°C (76°F), May's minimum is only a degree warmer at 25°C (78°F). Both months experience a similar number of rainy days, with March seeing precipitation of 49 mm (1.9 in) over 11 days, while May receives a bit more rain at 65 mm (2.6 in) across 12 days. Humidity levels are comparable, with May at 75% and March slightly higher at 76%. To learn more about March weather in Trincomalee, visit Trincomalee weather in March.
In comparing the weather of May and April, both months exhibit similar temperature ranges, with May slightly warmer, featuring a minimum of 25°C (78°F), an average of 29°C (85°F), and a maximum of 36°C (96°F). In contrast, April's temperatures are close, with a minimum of 25°C (77°F), an average of 29°C (84°F), and a maximum of 35°C (95°F). Precipitation sees a notable increase in May, accumulating to 65 mm (2.6 in) over 12 days, compared to April's 38 mm (1.5 in) over 9 days. Additionally, May has a higher humidity level at 75%, compared to April's 72%. For a more detailed look at April's conditions, visit Trincomalee weather in April.
May and June exhibit similar temperature ranges, with May having slightly higher highs (up to 36°C or 96°F) compared to June's maximum of 35°C (95°F). However, June tends to have a marginally cooler average temperature at 30°C (86°F) versus May’s 29°C (85°F). Notably, June experiences significantly less rainfall, with only 20 mm (0.8 in) over 3 days, compared to May's 65 mm (2.6 in) over 12 days. This results in June being drier despite slightly increased humidity levels at 82%, compared to May's 75%. For more detailed insights, check out Trincomalee weather in June.
In May, temperatures in Trincomalee range from a minimum of 25°C (78°F) to a maximum of 36°C (96°F), with an average temperature of 29°C (85°F). The month is characterized by significant rainfall, totaling 65 mm (2.6 in) over 12 days, and humidity levels around 75%.
In contrast, July sees slightly cooler conditions, with temperatures peaking at 35°C (95°F) while still maintaining a minimum of 25°C (78°F) and an average of 29°C (85°F). Rainfall decreases to 46 mm (1.8 in) over just 8 days, and humidity levels rise marginally to 80%.
This indicates that while both months have similar temperatures, May is wetter and less humid than July. For more detailed information, you can check Trincomalee weather in July.
In May, temperatures typically range from a minimum of 25°C (78°F) to a maximum of 36°C (96°F), with an average temperature of 29°C (85°F). The month experiences around 65 mm (2.6 in) of precipitation over approximately 12 days, accompanied by a humidity level of 75%. In contrast, August sees similar minimum and average temperatures, but the maximum temperature is slightly lower at 34°C (94°F). Precipitation drops to 48 mm (1.9 in) over about 8 days, and humidity increases to 85%. Thus, while both months are warm, August tends to be more humid and slightly cooler than May. For more details, check out Trincomalee weather in August.
Comparing the weather in May and September, both months experience similar temperature ranges, with minimum temperatures around 25°C (77°F) and maximum temperatures reaching up to 36°C (96°F). However, September tends to have slightly higher humidity levels at 82%, compared to May's 75%. Both months also show comparable average temperatures of 29°C (84°F/85°F) and have about 12 days of rainfall, but September receives a bit more precipitation at 73 mm (2.9 in) compared to May's 65 mm (2.6 in). For more detailed information, you can check out Trincomalee weather in September.
In May, the weather typically features warmer temperatures, with averages reaching up to 29°C (85°F) and maximums hitting 36°C (96°F). However, this month also experiences significant humidity at 75% and a moderate amount of rainfall, totaling 65 mm (2.6 in) over about 12 days.
In contrast, October brings slightly cooler conditions with average temperatures around 28°C (82°F) and maximums of 34°C (93°F). Yet, it also sees a notable increase in precipitation, totaling 199 mm (7.8 in) spread over 20 days, along with a rise in humidity to 83%. For further insights on the conditions during this month, you can visit Trincomalee weather in October.
May and November present distinct weather patterns, with May typically warmer and less humid than November. In May, temperatures range from a minimum of 25°C (78°F) to a maximum of 36°C (96°F), averaging around 29°C (85°F), while November sees slightly cooler temperatures with a minimum of 24°C (75°F) and a maximum of 31°C (89°F), averaging 27°C (80°F). Additionally, November experiences significantly higher rainfall, with 359 mm (14.2 in) of precipitation over 25 days, compared to May's 65 mm (2.6 in) over just 12 days, resulting in increased humidity levels of 84% in November versus 75% in May. For more detailed information, you can refer to Trincomalee weather in November.
May and December showcase distinct weather patterns, with May generally being warmer and drier compared to December. In May, temperatures range from a minimum of 25°C (78°F) to a maximum of 36°C (96°F), accompanied by an average temperature of 29°C (85°F). The month experiences around 65 mm (2.6 in) of rainfall over 12 days, with humidity levels at 75%. Conversely, December is cooler, with temperatures ranging from 23°C (74°F) to 30°C (85°F) and an average of 26°C (80°F). However, it is significantly wetter, with total precipitation reaching 268 mm (10.5 in) over 21 days and higher humidity at 83%. For more detailed insights, you can check Trincomalee weather in December.
As May unfolds in Trincomalee, the weather becomes a unique tapestry of warmth and occasional showers, setting it apart from other months of the year. With temperatures soaring up to a sweltering 36°C (96°F) and an average of 29°C (85°F), the heat can be quite intense, complemented by a high humidity level of 75%. Rainfall begins to make its presence known, with 12 days of precipitation contributing to a total of 65 mm (2.6 in), which is a noticeable increase compared to the drier spell of previous months. This shift in weather patterns marks May as a transitional period, inviting both the lush greenery of the region and the embrace of tropical storms. For a deeper dive into the nuances of Trincomalee's climate, visit Trincomalee Climate.