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Mirissa in May 2027: weather, temperatures and activities

Do you want to visit Mirissa in May 2027? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether May is a good month to travel to Mirissa, Sri Lanka.

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Is it worth visiting Mirissa in May?

Check your ideal travel criteria and see if the month of May suits your plans to go to Mirissa.
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Mirissa in May 2027: weather, temperatures and activities

Page summary

Mirissa in May in summary
Favourable weather
Min 28°C Max 30°C 170 mm 11 day(s) 81% 48% 31°C UV 6 11.9 h/day
Best activities in May
Gastronomy
Practical guidelines
Low crowds 05:53 18:16
Hourly weather

Average weather in Mirissa in May 2027

Favourable weather

The weather in Mirissa in May 2027 is based on statistical data from previous years in May. This allows you to forecast the weather in May 2027. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Mirissa in May

Temperatures, precipitation and monthly trends help to better understand the climate in Mirissa in May.

Temperatures and rain in Mirissa in May

Average daily weather

Temperatures and rain day by day in May.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of May is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Mirissa in May

Seasonal normals

Seasonal normals of Mirissa in May

Check the seasonal normals in Mirissa in May and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
May
Weather data April May June
Outside temperature
Average temperature 29.7°C 29.2°C 28.6°C
Maximum temperature 31.3°C 30.3°C 29.7°C
Minimum temperature 28.2°C 28.0°C 27.5°C
Record maximum temperature 35.0°C
(2019)
34.0°C
(2016)
32.0°C
(2014)
Record low temperature 24.0°C
(2020)
25.0°C
(2009)
25.0°C
(2009)
Number of days at +30° 28 day(s)
(93%)
23 day(s)
(74%)
18 day(s)
(60%)
Number of days at +18° 30 day(s)
(100%)
31 day(s)
(100%)
30 day(s)
(100%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 29.5°C 29.2°C 28.2°C
Sea temperature (minimum) 28.5°C 27.7°C 27.3°C
Sea temperature (maximum) 31.0°C 30.5°C 29.5°C
Wind
Wind speed 14 km/h 19 km/h 23 km/h
Wind temperature 28.2°C 28.1°C 27.5°C
Precipitation (rain)
Precipitation 114.2 mm 170.0 mm 97.6 mm
Number of days with precipitation 24 day(s)
(80%)
25 day(s)
(81%)
22 day(s)
(73%)
Number of days with significant precipitation (greater than 5 mm) 8 day(s)
(27%)
11 day(s)
(35%)
7 day(s)
(23%)
Record precipitation in one day 35.2 mm
(2017)
107.2 mm
(2014)
24.0 mm
(2019)
Other weather data
Humidity 79% 81% 81%
Visibility 9.6 km 9.5 km 9.7 km
Cloud cover 34% 48% 51%
UV index 7 6 6
Daily sunshine 12h 12h 12h
Sunrise and sunset
Sunrise time 06h01 05h53 05h55
Sunset time 18h15 18h16 18h22
Day length 12h14 12h23 12h27
Our opinion on the climate in May
The review of Where And When favourable weather favourable weather favourable weather
Activities and events

What to do in Mirissa in May?

Best activities in May
Gastronomy
Possible activities in May
Beach and swimmingDiving and snorkelingWatersportsNature and landscapesNightlifeBoat trip and cruise
Activities not recommended in May
Animal observation
Observed weather

What was the weather like in Mirissa in May last?

Find the observed weather calendar in Mirissa in May 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Cloudy
25°C28°C0.3 mm
2
Partly Cloudy
26°C30°C2.2 mm
3
Clear/Sunny
26°C30°C0.3 mm
4
Partly Cloudy
26°C30°C0.9 mm
5
Cloudy
27°C31°C0.0 mm
6
Cloudy
26°C31°C0.5 mm
7
Moderate or heavy rain shower
26°C29°C6.0 mm
8
Overcast
26°C28°C0.0 mm
9
Cloudy
26°C31°C0.0 mm
10
Cloudy
27°C29°C0.0 mm
11
Overcast
26°C31°C0.0 mm
12
Patchy rain nearby
26°C31°C0.2 mm
13
Cloudy
27°C31°C0.0 mm
14
Patchy rain nearby
27°C30°C0.2 mm
15
Overcast
27°C30°C0.0 mm
16
Cloudy
27°C30°C0.2 mm
17
Patchy rain nearby
27°C30°C0.3 mm
18
Patchy rain nearby
26°C29°C1.3 mm
19
Moderate rain at times
26°C28°C6.5 mm
20
Cloudy
26°C28°C1.9 mm
21
Overcast
26°C29°C2.6 mm
22
Clear/Sunny
27°C31°C0.5 mm
23
Patchy rain nearby
27°C30°C0.7 mm
24
Cloudy
27°C30°C0.6 mm
25
Patchy rain nearby
27°C29°C6.0 mm
26
Light rain shower
27°C29°C3.5 mm
27
Patchy rain nearby
26°C28°C4.5 mm
28
Patchy light drizzle
27°C29°C2.0 mm
29
Patchy rain nearby
26°C29°C2.9 mm
30
Light rain shower
27°C29°C6.0 mm
31
Patchy rain nearby
26°C30°C4.4 mm
Nearby

Where to go near Mirissa in May?

Compare cities and destinations near Mirissa in May to find another travel stop, a nearby alternative or a logical continuation of your stay in Mirissa.

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Every month

Best time to visit Mirissa month by month

Compare the weather in Mirissa across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Mirissa in May: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Yes, it’s a good time. Conditions are favorable in Mirissa in May, which places this month 5th out of 12.

Expect an average of 30°C during the day and 28°C at night, with about 170 mm of precipitation spread over 11 rainy days.

Yes: the sea is 29°C on average in May, a pleasant temperature for swimming.

Expect about 11.9 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Gastronomy. These are the ones for which the conditions on site are most favourable.

No: this month is in Low crowds, with a visitor index of 23/100. It is one of the quietest periods of the year.
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Temperatures are shown in degrees Celsius and precipitation in millimetres. Based on your country of connection, °F and inches may be more familiar to you.