Hot
Average highs reach 33°C, so days can feel very hot.
Weather Guide
Jaffna, Sri Lanka Average Monthly Weather
Weather score70Very good annual avg
Best months: February, March, January
Across the year, average daytime temperatures are around 31°C, sunshine averages 6.9h per day, and rainfall totals about 1152mm. Sea temperatures average 29°C across the year.
Annual weather
Annual averages
Temp
31°C
Rain
1152mm
Annual total
Sun
6.9h
Sea
29°C
Weather score
70
Very good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 32mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.5h 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 Jaffna, Sri Lanka with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August33°C average high
August sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsApril to September
This stretch sets the upper range for average daytime heat.
Rain
August32mm average rain
August is one of Jaffna's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August6.5 hours average sun
August is below Jaffna's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsFebruary to April
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August29°C average sea
August is close to Jaffna's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaApril to June
Sea temperatures are usually near 31°C in this stretch, so swimming comfort is at its strongest.
Weather score
August73 weather score
August scores above Jaffna's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to March
These months have the strongest weather score in the monthly averages.