Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
May verdict
Kosgoda, Sri Lanka in May
Weather score53Mixed
Mixed for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 6.1h per day, enough for a balanced month. Rainfall averages 349mm, so showers are a real planning factor.
May weather
Monthly averages
Temp
30°C
Rain
349mm
Sun
6.1h
Sea
29°C
Weather score
53
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 349mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.1h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Kosgoda, Sri Lanka with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May30°C average high
May is close to Kosgoda's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
May349mm average rain
May is one of Kosgoda's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to March, August, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May6.1 hours average sun
May is one of Kosgoda's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsFebruary to March
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May29°C average sea
May sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaMarch to May
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
May53 weather score
May is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March
These months have the strongest weather score in the monthly averages.
