Weather in Sri Lanka in may 2025

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

Heavy rain

22%

Partly Cloudy

13%

Cloudy

8%

Weather at 12pm
88°F

Heavy rain

34%

Clear/Sunny

13%

Partly Cloudy

7%

Weather at 6pm
83°F

Heavy rain

26%

Partly Cloudy

14%

Clear/Sunny

8%

Weather at 3am
81°F

Moderate rain at times

46%

Heavy rain

33%

Cloudy

11%

Partly Cloudy

8%

More information about the weather in Colombo in may



Where to go in Sri Lanka in may?

Where to go in Sri Lanka in may: destination map

Sri Lanka: weather map in may in different regions
Sri Lanka: weather map in may in different regions ©whereandwhen.net

Download the map

Where to go in each region in may?

Central-South of Sri Lanka
(Kandy, Dambulla, Nuwara Eliya...)
83°F to 94°F9 à 26 days
very bad weather*
East Coast of Sri Lanka
(Trincomalee, Batticaloa, Pottuvil...)
88°F to 94°F9 à 12 days86°F to 88°F
good weather
North of Sri Lanka
(Jaffna, Mullaitivu, Vavuniya...)
88°F to 94°F4 à 9 days86°F to 88°F
good weather
North Central of Sri Lanka
(Anuradhapura, Wilpattu National Park, Polonnaruwa...)
94°F9 days
good weather
North West of Sri Lanka
(Puttalam, Kurunegala, Chilaw...)
88°F to 90°F10 à 19 days86°F
good weather*
Southern Coast of Sri Lanka
(Galle, Tangalle, Yala National Park...)
86°F to 88°F10 à 26 days85°F to 86°F
good weather*
West Coast of Sri Lanka
(Colombo, Negombo, Kalutara...)
88°F19 à 23 days86°F
very bad weather*
*over most of the region. Weather may vary locally.


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
more information about the climate in Colombo in may

Climate in Anuradhapura in may

In may, the mean temperature in Anuradhapura is 88°F (maximum temperature is 94°F and minimum temperature is 85°F). The climate is very warm in that area in the month of may. With 6.2in over 9 days, rainfall can happen throughout your stay. But this is rather reasonably and it is only of temporary showers.
With good weather conditions, the month of may is a good month to go in this locality.

May
Average temperature 88°F
Highest temperature 94°F
Lowest temperature 85°F
Rainfall 6.2in
Number of days with rainfall 9 day(s)
(29%)
Humidity 76%
Daily sunshine hours 13
Cloud cover 40%
Length of day 12:30
Our opinion at whereandwhen.net good
more information about the climate in Anuradhapura in may

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
more information about the climate in Galle in may

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
more information about the climate in Jaffna in may

Climate in Kandy in may

In may, maximum temperature is 88°F and minimum temperature is 79°F (for an average temperature of 83°F). The climate is burning here in this month. With 14.3in over 20 days, you may find yourself often in the rain during your trip. Consider to pack adapted clothes.
With proper weather, may is okay (but not good month) for traveling in this locality.

May
Average temperature 83°F
Highest temperature 88°F
Lowest temperature 79°F
Rainfall 14.3in
Number of days with rainfall 20 day(s)
(63%)
Humidity 80%
Daily sunshine hours 13
Cloud cover 34%
Length of day 12:27
Our opinion at whereandwhen.net tolerable
more information about the climate in Kandy in may


All cities in Sri Lanka in may

Colombo in mayvery bad weather
Anuradhapura in maygood weather
Galle in mayvery bad weather
Jaffna in maygood weather
Kandy in maytolerable weather
Trincomalee in maygood weather
Batticaloa in maygood weather
Chilaw in maytolerable weather
Dambulla in maygood weather
Kalutara in mayvery bad weather
Kurunegala in maygood weather
Mullaitivu in maygood weather
Negombo in maytolerable weather
Nuwara Eliya in mayvery bad weather
Wilpattu National Park in maygood weather
Yala National Park in maygood weather
Polonnaruwa in maygood weather
Pottuvil in maygood weather
Puttalam in maygood weather
Tangalle in maygood weather
Vavuniya in maygood weather
See full list of cities (60)


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.


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