Climate and monthly weather forecast
Tangalle, Sri Lanka


The climate of Tangalle

The coastal town of Tangalle in Sri Lanka falls into the Af category of the Köppen climate classification. This system designates the town's climate as Tropical rainforest, reflecting the distinct attributes of its weather patterns. Throughout the year, these patterns yield a considerable amount of rainfall, consistently high temperatures, and minimal temperature fluctuation.

Sea temperatures in Tangalle exhibit slight fluctuation as the year progresses. They reach their zenith in April, registering 29.6°C, before tapering back to 27.7°C by the start of the year. In comparison, daylight hours are more or less consistent year-round, fluctuating mildly from their peak of 12.5 hours in June to 11.8 hours in December and January. This consistency not only impacts the tropical nature of the coastal town but also underscores the significance of the sun as a dependable source of light and heat.

The unique weather pattern in Tangalle is characterized by year-round warmth and consistent daylight hours. This remains true even during rainfall peaks, allowing for varying levels of outdoor activity throughout the year. The tropical nature of the town's climate makes it a destination for those seeking a mix of sun, sea, and rain in equal measures.

The best time to visit Tangalle

The ideal time to visit Tangalle hinges on visitor preference, though some periods offer more distinctive experiences than others. During the month of April, sea temperatures peak, reaching 29.6°C, giving beach-goers and water enthusiasts the desired warm conditions for water-based activities. At the same time, daylight hours stretch up to 12.3 hours, maximizing the time visitors can spend exploring the features of this tropical town.

The worst time to visit Tangalle

Choosing the worst period to visit Tangalle may be subjective due to the overall steady climate, but some aspects could influence such a decision. For instance, visitors who are averse to lesser daylight hours may not favor visiting in December or January, as these months register the minimum daylight hours of 11.8.

Spring weather in Tangalle

Spring is a season of escalating sea temperatures in Tangalle, progressing from 27.7°C in March to 29.6°C by the end of May. Daylight hours align with this upward trend, increasing from 12.1 hours in March to 12.4 hours in May. This consistent sunlight contributes to the overall high temperatures of the season.

Summer weather in Tangalle

In contrast to many world regions, summer in Tangalle is not marked by soaring temperatures, but rather a mild decrease. Throughout June to August, sea temperatures descend from their peak, ranging between 29.1°C to 27.8°C. Daylight hours follow a similar trend, reducing from 12.5 hours in June to 12.3 hours by the end of August.

Autumn weather in Tangalle

Autumn ushers in a period of stable sea temperatures in Tangalle, with values holding steady at 27.8°C in September before gradually climbing to 28.8°C by November. Daylight hours, however, show a gradual decrease - from 12.2 hours in September to 11.9 hours in November.

Winter weather in Tangalle

Winter in Tangalle is characterized by a continuation of the gradual climb in sea temperatures that begin in Autumn, moving from 28.1°C in December to 27.7°C by February. On the contrary, daylight hours hit their annual low of 11.8 during these winter months, marking the time with the least amount of sunshine.

Weather in January

January is the start of the year in Tangalle, Sri Lanka and the weather exhibits a mixture of warm temperatures and long daylight hours. The sea maintains a cozy warmth from the month before, standing at 27.7°C. It's a great time for outdoor activities and beach relaxation. Weather in January »

Weather in February

As Tangalle transitions from January to February, a slight shift in the weather pattern can be observed. The average sea temperature rises to 28.3°C and there's also an increase in the average daily sunlight hours. This suggests more time for visitors to enjoy the beautiful beaches and scenic landscapes. Weather in February »

Weather in March

With the arrival of March, Tangalle experiences a further surge in both sea temperature and day length as warming continues. The sea temperature escalates to 28.9°C, an appreciative increase from February. As the second month of the year folds into the third, Tangalle's beaches become more inviting. Weather in March »

Weather in April

April weather in Tangalle, Sri Lanka, continues the upward trend observed throughout early spring. The city witnesses the warmest sea temperature of the year at 29.6°C. Even though it's a significant improvement from March, Tangalle's weather in April closely resembles that of May. Weather in April »

Weather in May

May ushers in a slight decline in sea temperature in Tangalle. The sea now cools down to an average of 29.1°C. The weather remains largely comparable with that of the previous month, April. Following the cooling trend that starts in May, June also observes a similar dip in sea temperature. Weather in May »

Weather in June

The arrival of June brings an additional drop in the sea's average temperature, now registering at 28.3°C. June's weather, though cooler than May, remains fairly consistent with July's forecast. Despite the slightly cooler sea, Tangalle's beaches continue to attract sun-loving tourists. Weather in June »

Weather in July

Mid-year in Tangalle sees July bringing about subtle changes in the weather parameters. Sea temperature, somewhat similar to June, phases into a refreshing 27.8°C. As compared to August, however, July has a slightly warmer sea and more daylight hours. Weather in July »

Weather in August

In August, the sea's temperature in Tangalle is maintained at 27.8°C, characterized by unchanged conditions when compared to July. As the month progresses, the overall weather and sea conditions more closely resemble those of September. Weather in August »

Weather in September

September sees an uptick in Tangalle's sea temperature to 28.3°C, indicating a departure from the consistent patterns of the previous two months. Though more rewarded with sunlight as compared to August, September's duration of daylight is less than October's. Weather in September »

Weather in October

The tenth month on Tangalle's calendar brings in a further rise in sea temperature to 28.7°C. Compared to the preceding month of September, the increase is moderate but noticeable. On the other hand, the weather and sea conditions in October are almost mimicked in the following month of November. Weather in October »

Weather in November

In November, the sea temperature inches up a tad more to peak at 28.8°C. This month, sandwiched between October and December, experiences weather conditions similarly pleasant as the two. Even though it reaches the highest sea temperature of the year, November's weather remains balanced and comfortable. Weather in November »

Weather in December

As the year comes to a close in Tangalle, nature's thermostat dials down the sea temperature to 28.1°C in December. While the sea temperature falls, the duration of daylight remains almost equal to November's. Compared to the warmer month of January, December's weather is slightly cooler and displays marginally decreased daylight. Weather in December »


What month is the sea coldest in Tangalle?

With an average sea temperature of 27.7°C, January is the month with the coldest seawater in Tangalle, Sri Lanka.

When is the sea warmest in Tangalle?

The month with the warmest seawater in Tangalle, Sri Lanka, is April, with an average sea temperature of 29.6°C.

When are the longest days in Tangalle?

The month with the longest days is June, with an average of 12h and 30min of daylight.

What is the month with the shortest days in Tangalle?

With an average of 11h and 48min of daylight, December has the shortest days of the year in Tangalle.

Is there Daylight Saving Time (DST) in Tangalle?

Tangalle, Sri Lanka, does not utilize Daylight Saving Time (DST). +0530 timezone is used over the entire year.

Average sea temperature
Tangalle, Sri Lanka

Average sea temperature - Tangalle, Sri Lanka

The best month for swimming (with the highest average sea temperature) is April (29.6°C).
The coldest month (with the lowest average sea temperature) is January (27.7°C).


Average daylight
Tangalle, Sri Lanka

Average daylight - Tangalle, Sri Lanka

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).


Tangalle, Sri Lanka

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