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Best time to visit Trincomalee, Sri Lanka

Our verdict

The best time to visit Trincomalee is March

Based on a number of criteria such as the weather conditions, cost of flights and hotels, peak travel seasons and much more, March is the best time to go to Trincomalee.

During the warmer months, temperatures in Trincomalee can rise to a maximum of 36℃ (97℉). In the winter, temperatures can get down to 19℃ (67℉) around January.

If you want to get the most out of your time visiting Trincomalee, or you’re just afraid of the dark, the days in July are usually the longest between sunrise and sunset. On average it rains the most days in October, making it the wettest month of the year. Although it’s the wet season, it can often rain a little bit during the day or evening but have fine weather for a majority of the day too, so don’t let this put you off.

Keep reading to find out when the best times to travel to Trincomalee are for whatever trip you’re planning. By the time you finish, you’ll have all the info you need, and you’ll be ready to start booking. Don’t know where to look or who to book with? Don’t stress! We’ve hand-picked our favourite online travel tools we use, know and love so you can rest assured you’re in safe hands. Happy reading!

Warmest month

May

Least rainfall

June

Most daylight

July

Trincomalee seasons

Before you continue, it’s important to know when the seasons are in Trincomalee as they might be different to yours depending on where in the world you’re travelling from. Trincomalee is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Trincomalee

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Trincomalee for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Trincomalee climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Trincomalee for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Trincomalee in January

  • Average temperature: 24℃ (76℉)
  • Average high temperature: 29℃ (85℉)
  • Average low temperature: 20℃ (68℉)
  • Average humidity: 82%
  • Average sunny days: 12 days
  • Average rainfall: 42mm (2") over 16 days
12 days
of pure sunshine
16 days
of showers or rain

What to pack: If you’re heading to Trincomalee in January, make sure you pack t-shirts and light clothing.


Trincomalee in February

  • Average temperature: 25℃ (77℉)
  • Average high temperature: 31℃ (88℉)
  • Average low temperature: 20℃ (68℉)
  • Average humidity: 79%
  • Average sunny days: 13 days
  • Average rainfall: 47mm (2") over 13 days
13 days
of pure sunshine
13 days
of showers or rain

What to pack: If you’re heading to Trincomalee in February, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.


Trincomalee in March

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 34℃ (93℉)
  • Average low temperature: 21℃ (70℉)
  • Average humidity: 73%
  • Average sunny days: 15 days
  • Average rainfall: 38mm (2") over 14 days
15 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Trincomalee in March, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.


Trincomalee in April

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 35℃ (95℉)
  • Average low temperature: 23℃ (74℉)
  • Average humidity: 73%
  • Average sunny days: 4 days
  • Average rainfall: 103mm (4") over 24 days
4 days
of pure sunshine
24 days
of showers or rain

What to pack: If you’re heading to Trincomalee in April, make sure you pack t-shirts, shorts and sun protection.


Trincomalee in May

  • Average temperature: 29℃ (84℉)
  • Average high temperature: 34℃ (94℉)
  • Average low temperature: 25℃ (76℉)
  • Average humidity: 72%
  • Average sunny days: 10 days
  • Average rainfall: 83mm (3") over 17 days
10 days
of pure sunshine
17 days
of showers or rain

What to pack: If you’re heading to Trincomalee in May, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Trincomalee in June

  • Average temperature: 29℃ (84℉)
  • Average high temperature: 34℃ (93℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 67%
  • Average sunny days: 15 days
  • Average rainfall: 13mm (1") over 8 days
15 days
of pure sunshine
8 days
of showers or rain

What to pack: If you’re heading to Trincomalee in June, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Trincomalee in July

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 34℃ (93℉)
  • Average low temperature: 25℃ (76℉)
  • Average humidity: 66%
  • Average sunny days: 16 days
  • Average rainfall: 16mm (1") over 10 days
16 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to Trincomalee in July, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Trincomalee in August

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 34℃ (93℉)
  • Average low temperature: 24℃ (76℉)
  • Average humidity: 67%
  • Average sunny days: 15 days
  • Average rainfall: 30mm (1") over 11 days
15 days
of pure sunshine
11 days
of showers or rain

What to pack: If you’re heading to Trincomalee in August, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Trincomalee in September

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 34℃ (93℉)
  • Average low temperature: 24℃ (75℉)
  • Average humidity: 67%
  • Average sunny days: 13 days
  • Average rainfall: 53mm (2") over 13 days
13 days
of pure sunshine
13 days
of showers or rain

What to pack: If you’re heading to Trincomalee in September, make sure you pack t-shirts and shorts.. It stays warm all day and night.

Trincomalee in October

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 33℃ (91℉)
  • Average low temperature: 23℃ (74℉)
  • Average humidity: 75%
  • Average sunny days: 6 days
  • Average rainfall: 214mm (8") over 23 days
6 days
of pure sunshine
23 days
of showers or rain

What to pack: If you’re heading to Trincomalee in October, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Trincomalee in November

  • Average temperature: 26℃ (78℉)
  • Average high temperature: 31℃ (87℉)
  • Average low temperature: 22℃ (72℉)
  • Average humidity: 82%
  • Average sunny days: 4 days
  • Average rainfall: 166mm (7") over 24 days
4 days
of pure sunshine
24 days
of showers or rain

What to pack: If you’re heading to Trincomalee in November, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.


Trincomalee in December

  • Average temperature: 25℃ (77℉)
  • Average high temperature: 29℃ (85℉)
  • Average low temperature: 21℃ (71℉)
  • Average humidity: 84%
  • Average sunny days: 6 days
  • Average rainfall: 127mm (5") over 23 days
6 days
of pure sunshine
23 days
of showers or rain

What to pack: If you’re heading to Trincomalee in December, make sure you pack t-shirts and light clothing.


Top FAQs

The hottest month of the year in Trincomalee is usually May, where temperatures tend to rise to around 35℃ (95℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Trincomalee is generally around June. The dry season often coincides with cooler weather, so you should check the temperatures in June first to make sure it’s still a good time to go.
The rainiest time of year in Trincomalee is generally around October, although the wetter season can sometimes extend a few months either side of October too.
If you want to get the most out of your time visiting Trincomalee, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

Trincomalee map