Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
January verdict
Jaffna, Sri Lanka in January
Weather score79Very good
Very good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 7.4h per day, enough for a balanced month. Rainfall averages 55mm, which is relatively low for holiday planning.
January weather
Monthly averages
Temp
28°C
Rain
55mm
Sun
7.4h
Sea
27°C
Weather score
79
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 55mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.4h per day, enough for a balanced month.
Swimmable
Sea temperatures average 27°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Jaffna, Sri Lanka with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
January28°C average high
January is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsApril to September
This stretch sets the upper range for average daytime heat.
Rain
January55mm average rain
January 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.
Sun
January7.4 hours average sun
January 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.
Sea temperature
January27°C average sea
January is one of the cooler sea months locally, though the water still averages warm enough for most swimmers.
Warmest seaApril to June
Sea temperatures are usually near 31°C in this stretch, so swimming comfort is at its strongest.
Weather score
January79 weather score
January is one of Jaffna's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJanuary to March
These months have the strongest weather score in the monthly averages.