Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
Weather Guide
Chennai, Tamil Nadu, India Average Monthly Weather
Weather score68Good annual avg
Best months: January, February, March
Across the year, average daytime temperatures are around 33°C, sunshine averages 7.3h per day, and rainfall totals about 1320mm. Sea temperatures average 28°C across the year.
Annual weather
Annual averages
Temp
33°C
Rain
1320mm
Annual total
Sun
7.3h
Sea
28°C
Weather score
68
Good avg
Seasonal climate calendar
Trip feel
Wet
Rainfall averages 260mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.2h 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 Chennai, Tamil Nadu, India with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
October32°C average high
October is on the cooler side of Chennai's year, useful if you prefer less intense daytime heat.
Warmest monthsMay to June
This stretch sets the upper range for average daytime heat.
Rain
October260mm average rain
October is wetter than Chennai's yearly average, so flexible plans matter more.
Driest monthsJanuary to July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October6.2 hours average sun
October is below Chennai's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to May
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October29°C average sea
October is one of Chennai's warmest sea months, when swimming comfort is usually strongest.
Warmest seaMarch to November
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
October57 weather score
October is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March
These months have the strongest weather score in the monthly averages.
Hotels in Chennai, Tamil Nadu, India
Marriott
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ITC Grand Chola, a Luxury Collection Hotel, ChennaiChennai, Tamil Nadu, India
The Westin Chennai VelacheryChennai, Tamil Nadu, India
Sheraton Grand Chennai Resort & SpaChennai, Tamil Nadu, India
Le Royal Méridien ChennaiChennai, Tamil Nadu, India
Courtyard ChennaiChennai, India
Fairfield by Marriott Chennai Mahindra World CityChennai, Tamil Nadu, India