Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
January verdict
Mentawai Islands, Indonesia in January
Weather score57Good
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 6.6h per day, enough for a balanced month. Rainfall averages 272mm, so showers are a real planning factor.
January weather
Monthly averages
Temp
31°C
Rain
272mm
Sun
6.6h
Sea
29°C
Weather score
57
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 272mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.6h 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 Mentawai Islands, Indonesia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
January31°C average high
January is close to Mentawai Islands' usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
January272mm average rain
January sits near Mentawai Islands' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsFebruary, May to June, and August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
January6.6 hours average sun
January sits close to Mentawai Islands' yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsFebruary and April to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
January29°C average sea
January is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
January57 weather score
January sits close to Mentawai Islands' yearly weather-score average, giving a typical overall read on the month.
Best weather monthsFebruary and May to August
These months have the strongest weather score in the monthly averages.