Nilaveli Weather in May
Nilaveli in May averages 34°C (93°F) during the day and 27°C (81°F) at night. Some rainfall is typical for this time of year.
Rainfall in Nilaveli in May
Past climate data indicates that roughly 4 days will see rain, totalling around 54 mm (2.1 in) for the month. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in Nilaveli in May
In May, Nilaveli sees very high temperatures, with highs of 34°C (93°F). Nights drop to around 27°C (81°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Sunshine in Nilaveli in May
There are approximately 248 hours of sunshine this month, resulting in mostly clear days.
Wind Speed in Nilaveli in May
Average wind speeds reach 3 m/s (6 knots) in May, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.
Average water temperature in May
The water is 28°C (82°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.May in Nilaveli has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations 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 Nilaveli's climate page.
Nilaveli Temperature in May
Min Temperature
27°C (81°F)
Max Temperature
34°C (93°F)
Water Temperature
28°C (82°F) *
Chance of Rain
15%
Precipitation
54 mm (2.1 in)
Rainy days
4 days
Humidity
64% *
Windspeed
3 m/s (6 knots) *
Sunshine
248 hours *
Percentage Sunshine
*
Daily Historical Temperatures
40-year average (1976-2025)
Based on our historical records, temperatures in Nilaveli typically stay consistent throughout May, with daily highs averaging around 34°C (93°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in May
Daily Historical Precipitation
40-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 Nilaveli in May
Browse day-by-day weather records for Nilaveli spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nilaveli historical weather extremes in May
The extremes listed below come from historical weather data collected in Nilaveli from 2005 through 2026.
- The warmest day in May was on May 18, 2012, with a maximum of 38°C (100°F).
- Nilaveli experienced its chilliest May day on May 4, 2005, reaching only 27°C (81°F).
- The lowest overnight temperature recorded in May was 22°C (72°F) (May 13, 2013).
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
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tolerable
unpleasant
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What to Wear in Nilaveli in May
Hot weather in May means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Rain gear is recommended, you can expect wet weather on multiple days. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Nilaveli 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 Nilaveli's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Nilaveli climate overview or explore weather in Sri Lanka.
