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Jaffna in May 2027: weather, temperatures and activities

Do you want to visit Jaffna 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 Jaffna, Sri Lanka.

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Is it worth visiting Jaffna in May?

Check your ideal travel criteria and see if the month of May suits your plans to go to Jaffna.
What matters most?
April Best time to visit Jaffna June
Jaffna in May 2027: weather, temperatures and activities

Page summary

Jaffna in May in summary
Favourable weather
Min 29°C Max 30°C 82 mm 4 day(s) 80% 23% 31°C UV 7 12.6 h/day
Possible activities in May
Beach and swimmingCultural visits and heritageNature and landscapesBoat trip and cruise
Practical guidelines
Moderate crowds Moderate prices 05:50 18:23
Hourly weather

Average weather in Jaffna in May 2027

Favourable weather

The weather in Jaffna 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.

From 1st to 31 May 2027
0h
Dominant weather
Clear/Sunny
13 days out of 31 (41%)
29.2°C
Other common conditions
Partly Cloudy
9 days out of 31 (29%)
Moderate or heavy rain in area with thunder
4 days out of 31 (12%)
Moderate rain at times
2 days out of 31 (6%)
3h
Dominant weather
Clear/Sunny
12 days out of 31 (38%)
29.3°C
Other common conditions
Partly Cloudy
11 days out of 31 (35%)
Moderate or heavy rain in area with thunder
3 days out of 31 (9%)
Cloudy
2 days out of 31 (6%)
6h
Dominant weather
Clear/Sunny
14 days out of 31 (45%)
29.6°C
Other common conditions
Partly Cloudy
7 days out of 31 (22%)
Moderate rain at times
5 days out of 31 (16%)
Moderate or heavy rain in area with thunder
2 days out of 31 (6%)
9h
Dominant weather
Clear/Sunny
20 days out of 31 (64%)
30.1°C
Other common conditions
Partly Cloudy
7 days out of 31 (22%)
Moderate rain at times
1 days out of 31 (3%)
Moderate or heavy rain in area with thunder
1 days out of 31 (3%)
12h
Dominant weather
Clear/Sunny
22 days out of 31 (70%)
30.1°C
Other common conditions
Partly Cloudy
5 days out of 31 (16%)
Moderate rain at times
2 days out of 31 (6%)
Heavy rain
1 days out of 31 (3%)
15h
Dominant weather
Clear/Sunny
21 days out of 31 (67%)
30.1°C
Other common conditions
Partly Cloudy
6 days out of 31 (19%)
Moderate or heavy rain in area with thunder
2 days out of 31 (6%)
Moderate rain at times
1 days out of 31 (3%)
18h
Dominant weather
Clear/Sunny
20 days out of 31 (64%)
29.7°C
Other common conditions
Partly Cloudy
5 days out of 31 (16%)
Moderate or heavy rain in area with thunder
3 days out of 31 (9%)
Moderate rain at times
1 days out of 31 (3%)
21h
Dominant weather
Clear/Sunny
17 days out of 31 (54%)
29.4°C
Other common conditions
Partly Cloudy
7 days out of 31 (22%)
Moderate or heavy rain in area with thunder
4 days out of 31 (12%)
Cloudy
2 days out of 31 (6%)
Climate

Climate of Jaffna in May

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

Temperatures and rain in Jaffna 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 Jaffna in May

Seasonal normals

Seasonal normals of Jaffna in May

Check the seasonal normals in Jaffna 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 29.6°C 29.8°C 29.1°C
Maximum temperature 30.5°C 30.3°C 29.5°C
Minimum temperature 28.8°C 29.3°C 28.7°C
Record maximum temperature 33.0°C
(2010)
 32.0°C
(2010)
 31.0°C
(2010)
Record low temperature 26.0°C
(2011)
 26.0°C
(2020)
 25.0°C
(2020)
Number of days at +30° 28 day(s)
(93%)
 28 day(s)
(90%)
 15 day(s)
(50%)
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) 30.2°C 30.1°C 29.3°C
Sea temperature (minimum) 28.6°C 28.8°C 28.2°C
Sea temperature (maximum) 31.5°C 31.2°C 30.8°C
Wind
Wind speed 19 km/h 30 km/h 35 km/h
Wind temperature 28.8°C 29.5°C 29.0°C
Precipitation (rain)
Precipitation 48.9 mm 81.6 mm 47.4 mm
Number of days with precipitation 6 day(s)
(20%)
 9 day(s)
(29%)
 11 day(s)
(37%)
Number of days with significant precipitation (greater than 5 mm) 2 day(s)
(7%)
 4 day(s)
(12%)
 2 day(s)
(8%)
Record precipitation in one day 62.5 mm
(2011)
 107.6 mm
(2014)
 40.2 mm
(2016)
Other weather data
Humidity 78% 80% 79%
Visibility 9.8 km 9.7 km 9.8 km
Cloud cover 18% 23% 28%
UV index 7 7 7
Daily sunshine 12h 13h 13h
Sunrise and sunset
Sunrise time 06h00 05h50 05h50
Sunset time 18h20 18h23 18h31
Day length 12h20 12h33 12h41
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 Jaffna in May?

Possible activities in May
Beach and swimmingCultural visits and heritageNature and landscapesBoat trip and cruise
Observed weather

What was the weather like in Jaffna in May last?

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

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Patchy rain nearby
29°C31°C0.2 mm
2
Clear/Sunny
29°C31°C0.1 mm
3
Partly Cloudy
30°C31°C0.2 mm
4
Clear/Sunny
30°C31°C0.0 mm
5
Clear/Sunny
27°C31°C0.0 mm
6
Clear/Sunny
30°C31°C0.1 mm
7
Cloudy
30°C31°C0.0 mm
8
Patchy rain nearby
29°C31°C0.1 mm
9
Patchy rain nearby
29°C31°C0.7 mm
10
Clear/Sunny
28°C30°C0.7 mm
11
Clear/Sunny
29°C30°C0.4 mm
12
Partly Cloudy
29°C32°C0.0 mm
13
Clear/Sunny
30°C31°C0.0 mm
14
Patchy rain nearby
30°C33°C0.1 mm
15
Clear/Sunny
28°C31°C0.0 mm
16
Partly Cloudy
30°C32°C0.0 mm
17
Patchy rain nearby
28°C30°C5.2 mm
18
Cloudy
27°C29°C2.0 mm
19
Overcast
28°C30°C0.5 mm
20
Cloudy
29°C30°C1.2 mm
21
Patchy rain nearby
29°C30°C0.3 mm
22
Clear/Sunny
29°C30°C0.0 mm
23
Patchy rain nearby
29°C30°C0.1 mm
24
Partly Cloudy
29°C30°C1.5 mm
25
Thundery outbreaks in nearby
29°C30°C4.3 mm
26
Partly Cloudy
30°C31°C0.6 mm
27
Partly Cloudy
29°C30°C0.0 mm
28
Clear/Sunny
29°C30°C0.2 mm
29
Patchy rain nearby
29°C30°C1.3 mm
30
Light rain shower
29°C30°C3.4 mm
31
Clear/Sunny
28°C29°C0.0 mm
Nearby

Where to go near Jaffna in May?

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

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Best times to visit Jaffna All cities in Sri Lanka in May
Every month

Best time to visit Jaffna month by month

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

Frequently asked questions

Travel to to Jaffna 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 Jaffna in May, which places this month 6th out of 12.

Expect an average of 30°C during the day and 29°C at night, with about 82 mm of precipitation spread over 4 rainy days.

Yes: the sea is 30°C on average in May, a pleasant temperature for swimming.

Expect about 12.6 hours of sunshine per day on average for this month.

No activity stands out as ideal this month, but conditions remain acceptable for Beach and swimming, Cultural visits and heritage, Nature and landscapes and Boat trip and cruise.

No: this month is in Moderate crowds, with a visitor index of 36/100. It is one of the quietest periods of the year.

Prices are average: level Moderate prices, with an index of 43/100, including flights and accommodation.

The most favorable months in Jaffna are: January, February, March, April, May, June, July, August and September. You are therefore already in one of the best times of the year; shifting your plans would not gain you much in terms of weather.
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