The best times to visit Chennai for ideal weather are
October 29th to March 18th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Chennai Travel Guide
Other Chennai Travel Info
Weather in Chennai
Average temperatures in Chennai vary greatly. Considering humidity, temperatures feel hot for about half of the year and otherwise nice with a low chance of precipitation most of the year. The area is somewhat temperate — in the 43rd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Chennai, the hottest months are May, June, and then April. See average monthly temperatures below. The warmest time of year is generally late May where highs are regularly around 108.6°F (42.6°C) with temperatures rarely dropping below 82.2°F (27.9°C) at night.
Chennai Temperatures (Fahrenheit)
Chennai Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Chennai Perceived Temperature (F)
Chennai Perceived Temperature (C)
Average Chennai Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Chennai are December, January, and then November. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid August with an average of 4 days of significant precipitation the week of August 6th.
When can you find snow in Chennai? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Chennai.
Snow on the Ground
The graph below shows the average snow on the ground in Chennai (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Chennai has some very humid months, with some very dry months. The least humid month is April (18.9% relative humidity), and the most humid month is August (77.1%).
Wind in Chennai is usually calm. The windiest month is June, followed by May and July. June’s average wind speed of around 6.9 knots (7.9 MPH or 12.8 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late May where average top sustained speeds reach 14.9 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Chennai.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||3.2||Barely noticeable||7.5||Gentle breeze|
|Feb||4.2||Light breeze||9||Gentle breeze|
|Mar||4.5||Light breeze||9.8||Gentle breeze|
|Apr||5.1||Light breeze||11.9||Significant breeze|
|May||6.5||Light breeze||14||Gentle breeze|
|Jun||6.9||Light breeze||13.8||Significant breeze|
|Jul||5.8||Light breeze||11.7||Gentle breeze|
|Aug||5.2||Light breeze||10.4||Gentle breeze|
|Sep||4.5||Light breeze||9.9||Gentle breeze|
|Oct||3.5||Barely noticeable||8.6||Gentle breeze|
|Nov||2.6||Barely noticeable||6.9||Gentle breeze|
|Dec||2.9||Barely noticeable||7.2||Gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Chennai?
Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Oct 07, 2019 there are travel warnings and regional advisories for India; exercise a high degree of caution and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 19, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Chennai, India is December, followed by August and November. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Chennai in April. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Chennai Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel very warm. Highs range from 108.6°F (42.6°C) and 85°F (29.4°C) with warmer temperatures in the later months. Rain is rare with roughly 1 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have hot weather with high temperatures that are quite warm. These months see the most precipitation with 5 to 12 days of precipitation per month. June – August is the second busiest season for tourism in Chennai, so lodging and other accommodations may cost slightly more.
Fall (September through November)
Fall daily highs range from 97.1°F (36.2°C) and 83.4°F (28.6°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 1 to 6 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Winter (December through February)
Weather is somewhat cool this time of year in Chennai to be enjoyable for warm weather travelers. The average high during this season is between 85°F (29.4°C) and 71.4°F (21.9°C). On average, it rains or snows a very small amount: 0 to 1 times per month. These times of year are the busiest with tourists.