Tamil Nadu Weather in October

Average temperatures, rainfall, sunshine and the best places to visit in Tamil Nadu, India in October.

Planning a journey to Tamil Nadu, India this October and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Tamil Nadu in October

Tamil Nadu, India is a region in India. October in Tamil Nadu generally has temperatures that range from warm to very warm, with precipitation levels ranging from high to heavy.

Temperatures

The average highest temperatures fluctuate between warm in Bikkatti at 26°C (79°F) to very warm in Karūr at 35°C (95°F). Nighttime temperatures generally drop to 25°C (77°F) in Karūr and 18°C (64°F) in Bikkatti. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

To explore the conditions in Tamil Nadu, India in more detail, check the map below.

Precipitation

In October, precipitation varies across different areas. From high rainfall in Kanyakumari with an average of 146 mm (5.7 in) to heavy rainfall in Kodaikānāl with 356 mm (14 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Chennai enjoys approximately 259 hours of sunlight, ideal for those seeking sunny weather.

Explore Tamil Nadu by month

Pick a month to see the average temperature, rainfall and sunshine in Tamil Nadu — and find the best time to visit. (based on Chennai)

Best Places to Visit in Tamil Nadu in October

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Tamil Nadu.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Tamil Nadu

What is the weather like in October for some of the most popular destinations in Tamil Nadu, India?

Temperature range in Tamil Nadu (October)

Precipitation variation in Tamil Nadu (October)

Chennai

In October Chennai generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

September
October
November
Max temperature
33°C (91°F)
32°C (90°F)
30°C (86°F)
Min temperature
27°C (81°F)
26°C (79°F)
25°C (77°F)
Monthly sun hours
198 hours
259 hours
263 hours
Monthly rainfall
112 mm (4.4 in)
215 mm (8.5 in)
231 mm (9.1 in)
Monthly rainy days
7 days
9 days
10 days
Weather conditions

Kodaikānāl

In October Kodaikānāl generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are poor that month.

September
October
November
Max temperature
28°C (82°F)
27°C (81°F)
26°C (79°F)
Min temperature
19°C (66°F)
19°C (66°F)
18°C (64°F)
Monthly sun hours
115 hours
126 hours
135 hours
Monthly rainfall
313 mm (12 in)
356 mm (14 in)
286 mm (11 in)
Monthly rainy days
10 days
12 days
9 days
Weather conditions

Coimbatore

In October Coimbatore generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

September
October
November
Max temperature
31°C (88°F)
31°C (88°F)
30°C (86°F)
Min temperature
23°C (73°F)
23°C (73°F)
22°C (72°F)
Monthly rainfall
108 mm (4.3 in)
185 mm (7.3 in)
138 mm (5.4 in)
Monthly rainy days
6 days
9 days
5 days
Weather conditions

Pondicherry

In October Pondicherry generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

September
October
November
Max temperature
33°C (91°F)
31°C (88°F)
30°C (86°F)
Min temperature
27°C (81°F)
26°C (79°F)
25°C (77°F)
Monthly rainfall
102 mm (4 in)
227 mm (8.9 in)
284 mm (11 in)
Monthly rainy days
6 days
8 days
9 days
Weather conditions

Ooty

In October Ooty generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

September
October
November
Max temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Min temperature
18°C (64°F)
18°C (64°F)
17°C (63°F)
Monthly rainfall
199 mm (7.8 in)
250 mm (9.8 in)
157 mm (6.2 in)
Monthly rainy days
9 days
11 days
7 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Tamil Nadu, in India.

Popular cities in October

Day & night temperatures, rainfall and average weather in Tamil Nadu in October.

City Weather Day temp Night temp Rainfall
Chennai 32°C (90°F) 26°C (79°F) 215 mm (8.5 in)
Kodaikānāl 27°C (81°F) 19°C (66°F) 356 mm (14 in)
Coimbatore 31°C (88°F) 23°C (73°F) 185 mm (7.3 in)
Pondicherry 31°C (88°F) 26°C (79°F) 227 mm (8.9 in)
Ooty 26°C (79°F) 18°C (64°F) 250 mm (9.8 in)
Kanyakumari 30°C (86°F) 26°C (79°F) 146 mm (5.7 in)

Tamil Nadu weather in October: frequently asked questions

What is the weather like in Tamil Nadu, India in October?

In October, Tamil Nadu, India generally has poor weather conditions. Chennai sees daytime temperatures near 32°C (90°F), with nights cooling to roughly 26°C (79°F).

What is the average temperature in Tamil Nadu, India in October?

In Chennai, the average daytime high in October is 32°C (90°F), while nighttime temperatures drop to around 26°C (79°F).

Does Tamil Nadu, India get a lot of rain in October?

Rainfall in Tamil Nadu, India peaks during October. Chennai averages roughly 215 mm (8.5 in), so frequent and sometimes heavy showers are the norm.

Is October a Good Time to Visit Tamil Nadu, India?

In our opinion, October may not be the ideal time to visit Tamil Nadu, India due to the typically poor weather in Chennai.

Generally speaking, the best visiting conditions can be found in January offering mostly perfect weather in Chennai. On the other hand, the months of April, May, June, July, August, September, October and November tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Tamil Nadu.

Weather and climate has detailed information for every country in the world. Are you going to India? Get detailed historical weather averages for many cities in India.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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