Bentota Weather in May
In Bentota, May brings very high daytime temperatures around 30°C (86°F), with nights cooling to 26°C (79°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Bentota in May
As part of the rainy season, Bentota sees around 13 days of rain in May, with an average of 347 mm (14 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Bentota in May
May in Bentota brings typical temperatures with highs around 30°C (86°F) and lows of 26°C (79°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With overnight lows of 26°C (79°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.
Sunshine in Bentota in May
There are approximately 200 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.May in Bentota can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sri Lanka, check out our Bentota's climate page.
Bentota Temperature in May
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Chance of Rain
43%
Precipitation
347 mm (14 in)
Rainy days
13 days
Sunshine
200 hours *
Percentage Sunshine
*
Daily Historical Temperatures
43-year average (1976-2025)
Based on our historical records, temperatures in Bentota typically stay consistent throughout May, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in May
Daily Historical Precipitation
43-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Bentota in May
Browse day-by-day weather records for Bentota spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bentota historical weather extremes in May
Based on weather observations in Bentota between 2005 and 2026, these are the recorded extremes during May.
- The warmest day in May was on May 5, 2025, with a maximum of 34°C (93°F).
- On May 31, 2022, Bentota saw its coldest May day with temperatures maxing out at 26°C (79°F).
- Peak precipitation in May occurred on May 17, 2010, when 198 mm (7.8 in) of precipitation was measured.
Best Places in Sri Lanka in May
Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month. See all of Sri Lanka in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Bentota in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Bentota in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sri Lanka, check out our Bentota's climate page.
See the full Bentota climate overview or explore weather in Sri Lanka.
