Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
January verdict
Excellent for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 8.5h per day, so bright days are a strong part of the month. Rainfall averages 21mm, which is relatively low for holiday planning.
Monthly averages
Temp
29°C
Rain
21mm
Sun
8.5h
Sea
27°C
Weather score
88
Excellent
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 21mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.5h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 27°C, which can work for swimming but may feel fresh.
Map
Compare Chennai, Tamil Nadu, India with nearby places by weather score, rain, sun, temperature, and swim conditions.
January29°C average high
January is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsMay to June
This stretch sets the upper range for average daytime heat.
January21mm average rain
January is one of Chennai's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
January8.5 hours average sun
January is brighter than Chennai's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJanuary to May
This stretch has the strongest sunshine in the monthly averages.
January27°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 November
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
January88 weather score
January is one of Chennai'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.
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