Hot
Average highs reach 34°C, so days can feel very hot.
May verdict
Very good for holiday weather
Average highs reach 34°C, so days can feel very hot. Sunshine averages 7.3h per day, enough for a balanced month. Rainfall averages 50mm, which is relatively low for holiday planning.
Monthly averages
Temp
34°C
Rain
50mm
Sun
7.3h
Sea
30°C
Weather score
71
Very good
Hot
Average highs reach 34°C, so days can feel very hot.
Drier
Rainfall averages 50mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.3h per day, enough for a balanced month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Jaffna, Sri Lanka with nearby places by weather score, rain, sun, temperature, and swim conditions.
May34°C average high
May is one of Jaffna's warmest months, with daytime heat above the yearly average.
Warmest monthsApril to September
This stretch sets the upper range for average daytime heat.
May50mm average rain
May sits on the drier side of Jaffna'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.
May7.3 hours average sun
May sits close to Jaffna's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsFebruary to April
This stretch has the strongest sunshine in the monthly averages.
May30°C average sea
May sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaApril to June
Sea temperatures are usually near 31°C in this stretch, so swimming comfort is at its strongest.
May71 weather score
May sits close to Jaffna's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to March
These months have the strongest weather score in the monthly averages.