The climate of Trincomalee
Located on the eastern coast of
Sri Lanka,
Trincomalee endures a tropical wet and dry climate, known as the Köppen As climate classification. Throughout the year, the city experiences high temperatures ranging from 29.3°C (84.7°F) to 34.9°C (94.8°F) and low temperatures between 20°C (68°F) and 24.8°C (76.6°F), revealing an overall warm environment. The humidity levels remain relatively consistent, oscillating from 67% to 84%.
Diving into the elements of weather, it's found that rainfall presents significant fluctuation, with
January and
February seeing the least precipitation at 42mm (1.65") and 47mm (1.85") respectively, and peaking in
October with a much heavier downpour at 214mm (8.43"). The number of rainfall days reflects the same pattern with a high of 24.1 days in
November and a substantially lower count of 7.8 days in
June.
Observing the sea temperature, it stays between 27.1°C (80.8°F) to 30.2°C (86.4°F) throughout the year, providing a consistently warm condition for marine activities. The numbers of daylight hours reveal a slight variation, ranging from 11.6 to 12.6 hours, ensuring well-lit conditions for the majority of the day. On the other hand, the duration of sunshine varies from a maximum of 11.3 hours in June to a minimum of 4.9 hours in
December. Wind speeds fluctuate throughout the year with the highest average wind speed reaching 23.8km/h (14.8mph) in June, and the lowest average at 7.1km/h (4.4mph) in
April.
The best time to visit Trincomalee
Considering the overall climatic conditions, the most favorable time to visit
Trincomalee falls between
March and
May. During this period, the city witnesses the highest temperatures averaging from 33.8°C (92.8°F) to 34.9°C (94.8°F), balanced with moderate levels of relative humidity around 73%. Moreover, it's the season before the heaviest rainfall, making it perfect for outdoor activities. Additionally, the sea temperature escalates to around 29.8°C (85.6°F) to 30.2°C (86.4°F), ideal for swimming and other water-related activities.
The worst time to visit Trincomalee
Contrastingly,
October and
November are considerably unfavorable for visiting
Trincomalee, largely due to weather conditions. In these months, the city faces the most substantial rainfall levels from 214mm (8.43") to 166mm (6.54") consecutively, coupled with the highest count of rain days measuring from 22.6 to 24.1 days. Moreover, the city receives less sunshine during these months, limiting daylight recreational activities.
Spring weather in Trincomalee
Spring, which runs from
March to
May, marks warmer temperatures with highs hovering between 33.8°C (92.8°F) to 34.9°C (94.8°F). The rainfall decreases noticeably during this season, reducing from 38mm (1.5") in March to 15mm (0.59") in
June, with rainfall days from 14 to 7.8 days. The sea temperature rises gradually from 28.8°C (83.8°F) to 29.9°C (85.8°F), making it an excellent time for beach activities.
Summer weather in Trincomalee
In
Trincomalee, summer spans from
June to
August, presenting relatively high temperatures with a peak of 33.7°C (92.7°F) in August. A significant feature of the summer here is the noticeable dip in rainfall with just 26mm (1.02") recorded in
July, the lowest throughout the year. The average wind speed increases to around 23.8km/h (14.8mph) in June, making it a pleasant time for wind-dependent activities.
Autumn weather in Trincomalee
Autumn, lasting from
September to
November, ushers in high rainfall in
Trincomalee. The precipitation spikes from 53mm (2.09") in September to a substantial 166mm (6.54") in November. However, the temperature remains comfortably warm, averaging between 32.7°C (90.9°F) and 30.5°C (86.9°F). On average, the wind speed declines from 18.7km/h (11.6mph) to 7.9km/h (4.9mph) over these months.
Winter weather in Trincomalee
Winter in
Trincomalee, extending from
December to
February, experiences temperatures between 29.3°C (84.7°F) to 31.3°C (88.3°F). The relative humidity heightens to 82% in December and 84% in February, the highest of the year. Rainfall, while decreased from autumn, is still considerable with recorded levels of 127mm (5") in December and 42mm (1.65") in
January. The sea temperature falls to 27.8°C (82°F) in December and February, with a slight upsurge to 27.1°C (80.8°F) in January.
Weather in January
A new year emerges in
Trincomalee with slightly cooler temperatures compared to the year-ending
December.
January flaunts an impressive balance between rainfall and sunshine, providing visitors with ample time to explore. Hosting the region's wet season, the month still holds a blend of rain and shine.
Weather in January »Weather in February
As
Trincomalee transitions from
January to
February, an apparent shift in weather patterns is noticeable. Sunshine hours increase significantly, providing longer daylight to bask under. However, one should take heed of the UV index during outdoor activities.
Weather in February »Weather in March
March greets
Trincomalee with significantly warmer days compared to
February. Visitors enjoy bountiful sunshine, making it a splendid time for outdoor exploration. March experiences a lower number of rainfall days, resulting in clear skies for the majority of the month.
Weather in March »
Weather in April
Moving forward from
March,
April witnesses a drastic modification in
Trincomalee's climate. With an average highest temperature of 34.9°C (94.8°F), this month records the warmest days of the year. Captivatingly, the sea temperature closely follows the trend, reaching a high point.
Weather in April »Weather in May
The transition from
April to
May in
Trincomalee brings subtle alterations in the weather conditions. Temperature variations are slight, still managing to uphold sunny days coupled with a generous share of rainfall. The sea remains warm, favoring sea activities.
Weather in May »Weather in June
June rolls in, bringing an interesting twist to
Trincomalee's weather narrative. Despite being midway through the year, there is a stark decline in rainfall to 15mm (0.59"). This decrease is coupled with a rise in the number of sunshine days, giving June its uniquely arid character.
Weather in June »
Weather in July
Trincomalee’s climate sees minimal changes as
June gives way to
July. Remarkably, despite the high temperatures, July witnesses only a slight raise in sea temperature to 29.4°C (84.9°F). The rest of July remains more or less similar to June with moderate rainfall and high wind speeds.
Weather in July » Weather in August
August in
Trincomalee comes with a slight decline in temperatures compared to
July. Nonetheless, the weather continues to offer warm days and cool nights. Despite a small increase in rainfall, the majority of days stay dry, keeping the overall environment pleasant.
Weather in August » Weather in September
September in
Trincomalee marks a shift towards the year-end weather patterns. As temperatures remain high, the month experiences a considerable upsurge in rainfall to 53mm (2.09"). September upholds a pleasant maritime climate with a gentle cooling effect brought on by the rainfall.
Weather in September »
Weather in October
Trincomalee witnesses a significant transition in weather conditions from
September to
October. The 214mm (8.43") of rainfall indicates October as the rainiest month of the year. This enormous surge in rainfall is juxtaposed with limit in the number of sunshine days.
Weather in October » Weather in November
Come
November and
Trincomalee braces itself for a copious amount of rain after the super wet
October. The charm of the rain-soaked city catches the eyes of rain lovers. Despite this, the warmth of the sun isn’t entirely absent, as November records fair sunshine hours.
Weather in November »Weather in December
As the year concludes,
December receives less precipitation than
November, but relatively higher than
January. Marking the tail end of the rainy season, this month witnesses a considerable drop in rainfall compared to November's records.
Weather in December » [Resources]