Sri Lanka in may: average Weather, Temperature and Climate, Where to go?
How are weather conditions in Sri Lanka in may? Is it the perfect time to visit Hikkaduwa and Anuradhapura? Check out our datas and advices on this page.
very bad weather across 29% of the territory tolerable weather across 9% of the territory good weather across 64% of the territory
Weather in Sri Lanka in may 2023
Here, you have access to the weather forecast for the month of may for most popular cities in Sri Lanka. These datas are probabilities for the month of may from weather reports for many years. The percentage indicates the probability of having the weather indicated.
Average weather in may in Colombo
very bad weather UV index: 7
Weather at 6am
85°F
Moderate rain at times
53% of time
22%
13%
8%
Weather at 12pm
88°F
Moderate rain at times
46% of time
34%
13%
7%
Weather at 6pm
83°F
Moderate rain at times
48% of time
26%
14%
8%
Weather at 3am
81°F
46%
33%
11%
8%
Where to go in Sri Lanka in may?
Where to go in Sri Lanka in may: destination map





Where should you go in Sri Lanka in may when it comes to the weather?
Remember:
The climate in Sri Lanka in may ranges from good to very bad depending on the region and city.
The climate throughout May in Sri Lanka corresponds to the first manifestation of the monsoon. Most Sri Lankan communities are disadvantaged by the abundance of rain and the resurgence of heat.
Colombo and the West Coast of the Island throughout April
The west coast is more exposed to the monsoon wind which favors the abundance of rain during the month of May. Even if heat is acceptable throughout the month, the weather in Sri Lanka throughout May on this part of the island is generally unfavorable.
Jaffna and the Extreme North of the Island throughout April
Unlike Colombo, which is experiencing heavy rain, Jaffna is much drier. However, the heat is unpleasant all day - the morning temperatures peak at around 30° C.
Trincomalee and the Northeast of the Island in April
The mornings and evenings are comfortable in the northeast of the island. The month of May remains favorable to discovering Trincomalee. The hours are decorated by a beautiful sunshine, from day to night.
Nuwara Eliya and the Central Plain throughout April
Despite the relative decline in precipitation, the uplands are still disadvantaged by the abundance of rainfall.
Climate in Sri Lanka in may
Climate in Colombo in may
In may, the mean temperature in Colombo is 86°F (maximum temperature is 88°F and minimum temperature is 85°F). The climate is very warm in this location in the month of may. With 26.4in over 23 days, the weather is rather to rain for your holidays. So remember to pack Rain coats.
With an unfavorable weather, the month of may is not the best time to go in that area.
May | |||
Average temperature | 86°F | ||
Highest temperature | 88°F | ||
Lowest temperature | 85°F | ||
Sea temperature | 85°F | ||
Rainfall | 26.4in | ||
Number of days with rainfall | 23 day(s) (73%) | ||
Humidity | 81% | ||
Daily sunshine hours | 12 | ||
Cloud cover | 53% | ||
Length of day | 12:26 | ||
Our opinion at whereandwhen.net | very bad |
Climate in Jaffna in may
In the month of may, the mean temperature in Jaffna is 86°F (maximum temperature is 88°F and minimum temperature is 86°F). The climate is very warm there in this month. With just 3.2in over 4 days, the rain will not be a problem for your journey.
With a bad weather, may is not the best time to go there in Sri Lanka.
May | |||
Average temperature | 86°F | ||
Highest temperature | 88°F | ||
Lowest temperature | 86°F | ||
Sea temperature | 86°F | ||
Rainfall | 3.2in | ||
Number of days with rainfall | 4 day(s) (12%) | ||
Humidity | 80% | ||
Daily sunshine hours | 13 | ||
Cloud cover | 24% | ||
Length of day | 12:33 | ||
Our opinion at whereandwhen.net | good |
Climate in Galle in may
In the month of may, the mean temperature in Galle is 85°F (maximum temperature is 86°F and minimum temperature is 83°F). The climate is very warm in this location in may. With 25.9in over 23 days, the weather is rather to rain during your trip. Remember to pack adapted clothes.
May | |||
Average temperature | 85°F | ||
Highest temperature | 86°F | ||
Lowest temperature | 83°F | ||
Sea temperature | 85°F | ||
Rainfall | 25.9in | ||
Number of days with rainfall | 23 day(s) (74%) | ||
Humidity | 81% | ||
Daily sunshine hours | 12 | ||
Cloud cover | 50% | ||
Length of day | 12:23 | ||
Our opinion at whereandwhen.net | very bad |
Climate in Mirissa in may
In may, the mean temperature in Mirissa is 86°F (maximum temperature is 88°F and minimum temperature is 85°F). The climate is burning there in this month. With 6.7in over 11 days, rainfall can happen throughout your vacations. But this is rather reasonably and it will not be continuous.
With proper weather, may is okay (but not the best time) for traveling in that area in Sri Lanka.
May | |||
Average temperature | 86°F | ||
Highest temperature | 88°F | ||
Lowest temperature | 85°F | ||
Sea temperature | 85°F | ||
Rainfall | 6.7in | ||
Number of days with rainfall | 11 day(s) (35%) | ||
Humidity | 81% | ||
Daily sunshine hours | 12 | ||
Cloud cover | 48% | ||
Length of day | 12:23 | ||
Our opinion at whereandwhen.net | good |
Climate in Tangalle in may
In the month of may, the mean temperature in Tangalle is 86°F (maximum temperature is 88°F and minimum temperature is 85°F). The climate is burning around this city in the month of may. With 6.7in over 11 days, you risk getting wet slightly during your trip. But this is rather moderate and it is only of temporary showers.
With a correct climate, may is okay (but not the best month) for traveling in Tangalle in Sri Lanka.
May | |||
Average temperature | 86°F | ||
Highest temperature | 88°F | ||
Lowest temperature | 85°F | ||
Sea temperature | 85°F | ||
Rainfall | 6.7in | ||
Number of days with rainfall | 11 day(s) (35%) | ||
Humidity | 81% | ||
Daily sunshine hours | 12 | ||
Cloud cover | 48% | ||
Length of day | 12:23 | ||
Our opinion at whereandwhen.net | good |
All cities in Sri Lanka in may
Colombo in may | very bad weather |
Jaffna in may | good weather |
Galle in may | very bad weather |
Mirissa in may | good weather |
Tangalle in may | good weather |
Adam’s peak in may | very bad weather |
Akkaraipattu in may | good weather |
Ambalangoda in may | very bad weather |
Anuradhapura in may | good weather |
Arisimale Beach in may | good weather |
Arugam Bay in may | good weather |
Batticaloa in may | good weather |
Bentota in may | very bad weather |
Chilaw in may | tolerable weather |
Dambulla in may | good weather |
Ella in may | very bad weather |
Hambantota in may | good weather |
Haputale in may | very bad weather |
Hikkaduwa in may | very bad weather |
Horton Plains National Park in may | very bad weather |
Mannar Island in may | good weather |
Weather data for Sri Lanka in may:
Weather data for Sri Lanka in may is derived from an average of the weather forecast since 2009 in Sri Lanka. There is a margin of error and these forecasts are to be considered as general information only. The weather in Sri Lanka can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Sri Lanka.