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Best time to visit Mirissa, Sri Lanka

Our verdict

The best time to visit Mirissa is June-August

Based on all the essential things any traveller needs to know about visiting Mirissa such as the cost of travel, weather, peak travel seasons and many more, June-August is the best time of year to go.

In the summer months, temperatures tend to get to a maximum of around 32℃ (90℉). The weather at night in the winter can get down to temperatures as low as 22℃ (72℉).

The longest days between sunrise and sunset in Mirissa are usually in April, so if you want to get the most out of your daytime activities, be sure to plan your visit around this time. The wet season in Mirissa falls around November, so if you prefer the dryer weather, you should look to visit in June instead.

To learn everything you need to know (and none of the stuff you don’t) about when to visit Mirissa, keep reading below. Plus, you’ll find tools to help you get the best deals on travel and hotels too!

Warmest month

April

Least rainfall

June

Most daylight

April

Mirissa seasons

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

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 Mirissa 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.

Mirissa 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 Mirissa 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

Mirissa in January

  • Average temperature: 26℃ (79℉)
  • Average high temperature: 30℃ (86℉)
  • Average low temperature: 23℃ (74℉)
  • Average humidity: 77%
  • Average sunny days: 17 days
  • Average rainfall: 22mm (1") over 12 days
17 days
of pure sunshine
12 days
of showers or rain

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


Mirissa in February

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 31℃ (87℉)
  • Average low temperature: 23℃ (74℉)
  • Average humidity: 77%
  • Average sunny days: 13 days
  • Average rainfall: 30mm (1") over 13 days
13 days
of pure sunshine
13 days
of showers or rain

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


Mirissa in March

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 31℃ (88℉)
  • Average low temperature: 24℃ (76℉)
  • Average humidity: 78%
  • Average sunny days: 13 days
  • Average rainfall: 32mm (1") over 16 days
13 days
of pure sunshine
16 days
of showers or rain

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


Mirissa in April

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 31℃ (88℉)
  • Average low temperature: 25℃ (78℉)
  • Average humidity: 79%
  • Average sunny days: 8 days
  • Average rainfall: 46mm (2") over 20 days
8 days
of pure sunshine
20 days
of showers or rain

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


Mirissa in May

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 30℃ (86℉)
  • Average low temperature: 26℃ (79℉)
  • Average humidity: 81%
  • Average sunny days: 14 days
  • Average rainfall: 54mm (2") over 16 days
14 days
of pure sunshine
16 days
of showers or rain

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


Mirissa in June

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 30℃ (85℉)
  • Average low temperature: 26℃ (79℉)
  • Average humidity: 80%
  • Average sunny days: 19 days
  • Average rainfall: 18mm (1") over 9 days
19 days
of pure sunshine
9 days
of showers or rain

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


Mirissa in July

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 30℃ (85℉)
  • Average low temperature: 26℃ (78℉)
  • Average humidity: 79%
  • Average sunny days: 19 days
  • Average rainfall: 19mm (1") over 10 days
19 days
of pure sunshine
10 days
of showers or rain

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


Mirissa in August

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 29℃ (85℉)
  • Average low temperature: 25℃ (78℉)
  • Average humidity: 80%
  • Average sunny days: 18 days
  • Average rainfall: 42mm (2") over 11 days
18 days
of pure sunshine
11 days
of showers or rain

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


Mirissa in September

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 81%
  • Average sunny days: 15 days
  • Average rainfall: 48mm (2") over 13 days
15 days
of pure sunshine
13 days
of showers or rain

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

Mirissa in October

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 30℃ (85℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 80%
  • Average sunny days: 12 days
  • Average rainfall: 63mm (2") over 18 days
12 days
of pure sunshine
18 days
of showers or rain

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


Mirissa in November

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 30℃ (86℉)
  • Average low temperature: 24℃ (76℉)
  • Average humidity: 81%
  • Average sunny days: 8 days
  • Average rainfall: 66mm (3") over 20 days
8 days
of pure sunshine
20 days
of showers or rain

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


Mirissa in December

  • Average temperature: 26℃ (80℉)
  • Average high temperature: 30℃ (86℉)
  • Average low temperature: 24℃ (75℉)
  • Average humidity: 80%
  • Average sunny days: 11 days
  • Average rainfall: 48mm (2") over 17 days
11 days
of pure sunshine
17 days
of showers or rain

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


Top FAQs

The hottest month of the year in Mirissa is usually April, where temperatures tend to rise to around 31℃ (88℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Mirissa 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 Mirissa is generally around November, although the wetter season can sometimes extend a few months either side of November too.
If you want to get the most out of your time visiting Mirissa, or if you're just afraid of the dark, the days in April are usually the longest between sunrise and sunset.

Mirissa map