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Best time to visit Unawatuna, Sri Lanka

Our verdict

The best time to visit Unawatuna is September

While Unawatuna is a popular destination to visit all year round, September is the ideal time to go due to a number of factors such as the climate, cost of travel and accommodation, as well as avoiding peak holiday periods.

In summer, the temperature in Unawatuna can rise as high as 32℃ (90℉). The weather at night in the winter, which is around January-time, can get down to a minimum of 24℃ (74℉).

If you’re keen to see the sights of Unawatuna during the day, the sun stays up the longest around June. May sees the most amount of rain in a month if you’re ok with chancing getting drenched, so if you’re looking to stay dry, visit in January instead.

For more information about when to travel to Unawatuna, the monthly weather breakdown and the best information and tools to book your trip, continue reading below.

Warmest month

April

Least rainfall

January

Most daylight

June

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Where to?
Unawatuna

Unawatuna seasons

Before you continue, it’s important to know when the seasons are in Unawatuna as they might be different to yours depending on where in the world you’re travelling from. Unawatuna 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 Unawatuna

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 Unawatuna 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.

Unawatuna 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 Unawatuna 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

Unawatuna in January

  • Average temperature: 26℃ (79℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 24℃ (75℉)
  • Average humidity: 78%
  • Average sunny days: 13 days
  • Average rainfall: 38mm (1") over 15 days
13 days
of pure sunshine
15 days
of showers or rain

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


Unawatuna in February

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 30℃ (85℉)
  • Average low temperature: 24℃ (76℉)
  • Average humidity: 77%
  • Average sunny days: 9 days
  • Average rainfall: 50mm (2") over 16 days
9 days
of pure sunshine
16 days
of showers or rain

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


Unawatuna in March

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 30℃ (87℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 77%
  • Average sunny days: 7 days
  • Average rainfall: 68mm (3") over 21 days
7 days
of pure sunshine
21 days
of showers or rain

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


Unawatuna in April

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 30℃ (87℉)
  • Average low temperature: 26℃ (80℉)
  • Average humidity: 78%
  • Average sunny days: 2 days
  • Average rainfall: 134mm (5") over 26 days
2 days
of pure sunshine
26 days
of showers or rain

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


Unawatuna in May

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 30℃ (85℉)
  • Average low temperature: 27℃ (80℉)
  • Average humidity: 81%
  • Average sunny days: 1 days
  • Average rainfall: 302mm (12") over 28 days
1 days
of pure sunshine
28 days
of showers or rain

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


Unawatuna in June

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 27℃ (80℉)
  • Average humidity: 82%
  • Average sunny days: 1 days
  • Average rainfall: 231mm (9") over 28 days
1 days
of pure sunshine
28 days
of showers or rain

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


Unawatuna in July

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 26℃ (79℉)
  • Average humidity: 81%
  • Average sunny days: 4 days
  • Average rainfall: 161mm (6") over 25 days
4 days
of pure sunshine
25 days
of showers or rain

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


Unawatuna in August

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 28℃ (83℉)
  • Average low temperature: 26℃ (79℉)
  • Average humidity: 81%
  • Average sunny days: 2 days
  • Average rainfall: 238mm (9") over 27 days
2 days
of pure sunshine
27 days
of showers or rain

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


Unawatuna in September

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 28℃ (83℉)
  • Average low temperature: 26℃ (78℉)
  • Average humidity: 81%
  • Average sunny days: 2 days
  • Average rainfall: 222mm (9") over 24 days
2 days
of pure sunshine
24 days
of showers or rain

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

Unawatuna in October

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 26℃ (78℉)
  • Average humidity: 80%
  • Average sunny days: 2 days
  • Average rainfall: 194mm (8") over 26 days
2 days
of pure sunshine
26 days
of showers or rain

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


Unawatuna in November

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 25℃ (78℉)
  • Average humidity: 80%
  • Average sunny days: 2 days
  • Average rainfall: 179mm (7") over 26 days
2 days
of pure sunshine
26 days
of showers or rain

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


Unawatuna in December

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 79%
  • Average sunny days: 6 days
  • Average rainfall: 114mm (4") over 22 days
6 days
of pure sunshine
22 days
of showers or rain

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


Top FAQs

The hottest month of the year in Unawatuna is usually April, where temperatures tend to rise to around 30℃ (87℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Unawatuna is generally around January. The dry season often coincides with cooler weather, so you should check the temperatures in January first to make sure it’s still a good time to go.
The rainiest time of year in Unawatuna is generally around May, although the wetter season can sometimes extend a few months either side of May too.
If you want to get the most out of your time visiting Unawatuna, or if you're just afraid of the dark, the days in June are usually the longest between sunrise and sunset.

Unawatuna map

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