Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
January verdict
Colombo, Sri Lanka in January
Weather score78Very good
Very good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 7.8h per day, enough for a balanced month. Rainfall averages 55mm, which is relatively low for holiday planning.
January weather
Monthly averages
Temp
31°C
Rain
55mm
Sun
7.8h
Sea
28°C
Weather score
78
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 7.8h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Colombo, Sri Lanka with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
January31°C average high
January is close to Colombo's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
January55mm average rain
January is one of Colombo's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to March, July to August, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
January7.8 hours average sun
January is brighter than Colombo's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsFebruary to March
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
January28°C average sea
January is one of the cooler sea months locally, though the water still averages warm enough for most swimmers.
Warmest seaMarch to May
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
January78 weather score
January is one of Colombo'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.
