Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
January verdict
Sri Lanka in January
Weather score72Very good
Very good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 7h per day, enough for a balanced month. Rainfall averages 110mm, so some wet days are possible.
January weather
Monthly averages
Temp
29°C
Rain
110mm
Sun
7h
Sea
23°C
Weather score
72
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 110mm, so some wet days are possible.
Some sun
Sunshine averages 7h per day, enough for a balanced month.
Swimmable
Sea temperatures average 23°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Sri Lanka with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
January29°C average high
January is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsMarch to September
This stretch sets the upper range for average daytime heat.
Rain
January110mm average rain
January sits on the drier side of Sri Lanka's year, which helps with sightseeing and transfers.
Driest monthsJanuary to March and May to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
January7 hours average sun
January sits close to Sri Lanka'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
January23°C average sea
January is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaMarch to June and October to November
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
January72 weather score
January scores above Sri Lanka's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to March and June to August
These months have the strongest weather score in the monthly averages.
