Hot
Average highs reach 34°C, so days can feel very hot.
Weather Guide
Best months: March, February, April
Across the year, average daytime temperatures are around 32°C, sunshine averages 6.9h per day, and rainfall totals about 1589mm. Sea temperatures average 29°C across the year.
Annual averages
Temp
32°C
Rain
1589mm
Annual total
Sun
6.9h
Sea
29°C
Weather score
66
Good avg
Hot
Average highs reach 34°C, so days can feel very hot.
Showers
Rainfall averages 84mm, so some wet days are possible.
Some sun
Sunshine averages 7.3h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Nilaveli, Sri Lanka with nearby places by weather score, rain, sun, temperature, and swim conditions.
August34°C average high
August is one of Nilaveli's hottest months, so shade and slower afternoons matter.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
August84mm average rain
August sits on the drier side of Nilaveli's year, which helps with sightseeing and transfers.
Driest monthsJanuary to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August7.3 hours average sun
August sits close to Nilaveli's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMarch to April
This stretch has the strongest sunshine in the monthly averages.
August29°C average sea
August is close to Nilaveli's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaApril to July and October
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
August68 weather score
August sits close to Nilaveli's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to April
These months have the strongest weather score in the monthly averages.