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Mirissa in January 2027: weather, temperatures and activities

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

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Is it worth visiting Mirissa in January?

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

Page summary

Mirissa in January in summary
Favourable weather
Min 26°C Max 31°C 73 mm 5 day(s) 79% 28% 29°C UV 7 10.8 h/day
Best activities in January
Beach and swimmingAnimal observationDiving and snorkelingWatersportsNature and landscapesNightlifeGastronomyBoat trip and cruise
Practical guidelines
Very large crowds 06:23 18:12
Hourly weather

Average weather in Mirissa in January 2027

Favourable weather

The weather in Mirissa in January 2027 is based on statistical data from previous years in January. This allows you to forecast the weather in January 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 January

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

Temperatures and rain in Mirissa in January

Average daily weather

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

Monthly temperatures

The month of January 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 January

Seasonal normals

Seasonal normals of Mirissa in January

Check the seasonal normals in Mirissa in January 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
January
Weather data December January February
Outside temperature
Average temperature 28.2°C 28.3°C 28.7°C
Maximum temperature 30.2°C 30.6°C 31.2°C
Minimum temperature 26.2°C 25.9°C 26.3°C
Record maximum temperature 34.0°C
(2017)
34.0°C
(2017)
34.0°C
(2012)
Record low temperature 21.0°C
(2021)
22.0°C
(2013)
23.0°C
(2011)
Number of days at +30° 23 day(s)
(74%)
26 day(s)
(84%)
26 day(s)
(90%)
Number of days at +18° 31 day(s)
(100%)
31 day(s)
(100%)
28 day(s)
(97%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 28.0°C 27.7°C 28.4°C
Sea temperature (minimum) 26.9°C 26.6°C 27.2°C
Sea temperature (maximum) 29.1°C 28.7°C 29.6°C
Wind
Wind speed 13 km/h 12 km/h 13 km/h
Wind temperature 26.3°C 26.0°C 26.3°C
Precipitation (rain)
Precipitation 103.7 mm 72.8 mm 81.0 mm
Number of days with precipitation 20 day(s)
(65%)
16 day(s)
(52%)
16 day(s)
(55%)
Number of days with significant precipitation (greater than 5 mm) 6 day(s)
(21%)
5 day(s)
(15%)
5 day(s)
(18%)
Record precipitation in one day 50.0 mm
(2010)
32.9 mm
(2021)
32.2 mm
(2018)
Other weather data
Humidity 83% 79% 79%
Visibility 9.6 km 9.7 km 9.6 km
Cloud cover 37% 28% 26%
UV index 7 7 7
Daily sunshine 9h 11h 11h
Sunrise and sunset
Sunrise time 06h10 06h23 06h24
Sunset time 17h57 18h12 18h20
Day length 11h47 11h49 11h56
Our opinion on the climate in January
The review of Where And When favourable weather favourable weather favourable weather
Activities and events

What to do in Mirissa in January?

Best activities in January
Beach and swimmingAnimal observationDiving and snorkelingWatersportsNature and landscapesNightlifeGastronomyBoat trip and cruise
Observed weather

What was the weather like in Mirissa in January last?

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

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Light rain shower
25°C27°C2.3 mm
2
Light rain
24°C25°C8.0 mm
3
Partly Cloudy
24°C26°C1.2 mm
4
Patchy rain nearby
24°C27°C0.8 mm
5
Patchy rain nearby
24°C27°C2.5 mm
6
Patchy rain nearby
24°C27°C0.1 mm
7
Patchy rain nearby
24°C27°C0.0 mm
8
Clear/Sunny
25°C27°C0.0 mm
9
Patchy rain nearby
25°C28°C1.3 mm
10
Clear/Sunny
25°C28°C2.0 mm
11
Patchy rain nearby
25°C28°C3.9 mm
12
Patchy rain nearby
25°C28°C1.6 mm
13
Clear/Sunny
24°C29°C1.3 mm
14
Patchy rain nearby
24°C26°C2.8 mm
15
Patchy rain nearby
24°C25°C0.9 mm
16
Patchy rain nearby
24°C28°C0.6 mm
17
Patchy rain nearby
24°C27°C0.0 mm
18
Light rain shower
25°C27°C2.6 mm
19
Patchy rain nearby
24°C25°C1.5 mm
20
Partly Cloudy
24°C27°C0.6 mm
21
Patchy rain nearby
25°C28°C2.0 mm
22
Light rain shower
25°C28°C3.6 mm
23
Patchy rain nearby
24°C29°C1.7 mm
24
Overcast
24°C25°C0.7 mm
25
Partly Cloudy
24°C26°C0.0 mm
26
Light rain shower
24°C26°C2.0 mm
27
Patchy rain nearby
24°C27°C0.5 mm
28
Light rain shower
24°C26°C1.2 mm
29
Partly Cloudy
24°C26°C0.0 mm
30
Patchy rain nearby
25°C28°C2.2 mm
31
Patchy rain nearby
25°C29°C2.0 mm
Nearby

Where to go near Mirissa in January?

Compare cities and destinations near Mirissa in January 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 January: 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 January, which places this month 1st out of 12.

Expect an average of 31°C during the day and 26°C at night, with about 73 mm of precipitation spread over 5 rainy days.

Yes: the sea is 28°C on average in January, a pleasant temperature for swimming.

Expect about 10.8 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Beach and swimming, Animal observation, Diving and snorkeling and Watersports. These are the ones for which the conditions on site are most favourable.

Yes: this month is in Very large crowds, with a visitor index of 77/100. Book your accommodation and transportation well in advance.
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