Dehiwala-Mount Lavinia in may: average Weather, Temperature and Climate
Weather in Dehiwala-Mount Lavinia in may 2025
The weather in Dehiwala-Mount Lavinia in may comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
very bad weather UV index: 7
Weather at 6am
85°F
Moderate rain at times
52% of time
26%
12%
7%
Weather at 12pm
88°F
Moderate rain at times
45% of time
33%
13%
6%
Weather at 6pm
83°F
Moderate rain at times
45% of time
30%
14%
7%
Weather at 3am
83°F
40%
35%
13%
11%
Evolution of daily average temperature and precipitation in Dehiwala-Mount Lavinia in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Dehiwala-Mount Lavinia in may.
The climate of Dehiwala-Mount Lavinia in may is very bad
In may in Dehiwala-Mount Lavinia, the climate is wet (with 26.9in of rainfall over 23 days). The weather is worst than the previous month since in april there is an average of 11.1in of rainfall over 18 days.
The climate is very warm around this city this month. The thermometer averaged maximum of 88°F. On average, the recorded minimum temperature is 85°F. Thus, the mean temperature average on this month of may in Dehiwala-Mount Lavinia is 86°F. Note that these seasonal averages are in contrast with those observed in Dehiwala-Mount Lavinia in may with a maximum record of 92°F in 2016 and a minimum record of 68°F in 2021. You can plan to have about 24 days with temperatures up to 86°F, or 77 of the month.
Day length in Dehiwala-Mount Lavinia in may is 12:26. Sunrise is at 05:54 and sunset is at 18:20.
May: another location in Sri Lanka?
If you want to go to Sri Lanka in may, there are destinations with better weather than Dehiwala-Mount Lavinia:
In may, Anuradhapura, Jaffna, Trincomalee, Batticaloa, Dambulla and Kurunegala have good weather.
Finally, Kandy, Chilaw, Negombo, Gampola and Kuliyapitiya have a tolerable climate, but better than Dehiwala-Mount Lavinia.
Seasonal average climate and temperature of Dehiwala-Mount Lavinia in may
Check below seasonal norms These statistics are compiled from the weather statements of the last years of the month of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 86°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 85°F | ||||
| Highest record temperature | 92°F (2016) | ||||
| Lowest record temperature | 68°F (2021) | ||||
| Number of days at +86°F | 24 day(s) (77%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 83°F | ||||
| Highest sea temperature | 87°F | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 85°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 26.9in | ||||
| Number of days with rainfall | 23 day(s) (75%) | ||||
| Record daily rainfall | 12in (2016) | ||||
| Other climate data | |||||
| Humidity | 81% | ||||
| Visibility | 8.41km | ||||
| Cloud cover | 52% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:54 | ||||
| Time of sunset | 18:20 | ||||
| Length of day | 12:26 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last may?
Here is the day by day recorded weather in Dehiwala-Mount Lavinia in may 2024:
83°F to 88°F
83°F to 90°F
83°F to 90°F
83°F to 88°F
85°F to 90°F
83°F to 90°F
83°F to 88°F
83°F to 88°F
83°F to 88°F
81°F to 85°F
79°F to 86°F
79°F to 81°F
79°F to 88°F
79°F to 88°F
79°F to 86°F
81°F to 86°F
79°F to 86°F
81°F to 83°F
79°F to 81°F
79°F to 83°F
81°F to 85°F
81°F to 83°F
81°F to 83°F
81°F to 83°F
81°F to 83°F
83°F to 85°F
81°F to 85°F
81°F to 83°F
83°F to 85°F
83°F to 85°F
83°F to 86°F
Map: other cities in Sri Lanka in may
Cities near Dehiwala-Mount Lavinia:
| Colombo in may | very bad weather |
| Panadura in may | very bad weather |
| Kalutara in may | very bad weather |
| Negombo in may | tolerable weather |
| Bentota in may | very bad weather |
| Adam’s peak in may | very bad weather |
| Ambalangoda in may | very bad weather |
| Kuliyapitiya in may | tolerable weather |
| Neluwa in may | very bad weather |
| Udawalawe National Park in may | very bad weather |
| Hatton in may | very bad weather |
| Chilaw in may | tolerable weather |
Click over cities on the map for information about the weather in may.
Dehiwala-Mount Lavinia
perfect weather
good
tolerable
bad
very bad
Weather data for Dehiwala-Mount Lavinia in may:
Weather data for Dehiwala-Mount Lavinia for may are derived from an average of the weather forecast since 2009 in Dehiwala-Mount Lavinia. There is a margin of error and these forecasts are to be considered as general information only. The weather in Dehiwala-Mount Lavinia can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Dehiwala-Mount Lavinia.