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India weather

Weather in Chennai for October 2026

Your guide to Chennai weather in October - trends and predictions

    Temperatures

  • So far, October 2026 in Chennai is slightly warmer than the historical average by 0.5 °C.

  • The forecast for the coming days of October 2026 predicts a temperature of 32.4 °C , which is warmer than usual.

  • In general, the average temperature in Chennai at the beginning of October is 31.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.7 °C by the end of October.

    • Rain 🌧️

  • Chennai in October brings notable rainfall, with an average of 19 rainy days and a total precipitation of 222.8 mm.

    • More

  • Is October a good time to visit Chennai? check out the best time to travel to Chennai page.

Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/26°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Chennai Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
31°
2
Patchy rain possible
33°
3
Partly cloudy
32°
4
Light rain
33°
5
Patchy light rain with thunder
32°
6
Light rain
32°
7
Patchy rain possible
31°
8
Light rain
31°
9
Light rain
31°
10
Patchy rain possible
31°
11
Light rain shower
31°
12
Light rain
30°
13
Patchy rain possible
30°
14
Moderate rain
29°
15
Moderate rain
29°
16
Moderate rain
30°
17
Moderate rain
30°
18
Moderate rain
29°
19
Light rain
30°
20
Moderate rain
30°
21
Moderate rain
29°
22
Heavy rain
30°
23
Moderate rain
29°
24
Light rain
29°
25
Light rain
30°
26
Patchy rain possible
30°
27
Overcast
32°
28
Overcast
32°
29
Overcast
34°
30
Overcast
33°
31
Partly cloudy
31°

Temperatures trend during October in Chennai

See the weather trend as well as the moving average line

October weather in Chennai day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
1 Oct. Patchy rain possible
Patchy rain possible
 31° /27° 0.8 mm 6
2 Oct. Patchy rain possible
Patchy rain possible
 33° /26° 1.9 mm 6
3 Oct. Partly cloudy
Partly cloudy
 32° /27° 0.9 mm 8
4 Oct. Light rain
Light rain
 33° /26° 3.3 mm 8
5 Oct. Patchy light rain with thunder
Patchy light rain with thunder
 32° /26° 2.9 mm 8
6 Oct. Light rain
Light rain
 32° /26° 2.8 mm 7
7 Oct. Patchy rain possible
Patchy rain possible
 31° /27° 1.6 mm 8
8 Oct. Light rain
Light rain
 31° /27° 3.5 mm 8
9 Oct. Light rain
Light rain
 31° /26° 2.8 mm 6
10 Oct. Patchy rain possible
Patchy rain possible
 31° /26° 2.3 mm 7
11 Oct. Light rain shower
Light rain shower
 31° /27° 2.3 mm 8
12 Oct. Light rain
Light rain
 30° /26° 3 mm 7
13 Oct. Patchy rain possible
Patchy rain possible
 30° /26° 2.3 mm 8
14 Oct. Moderate rain
Moderate rain
 29° /25° 13.3 mm 6
15 Oct. Moderate rain
Moderate rain
 29° /26° 16.6 mm 5
16 Oct. Moderate rain
Moderate rain
 30° /26° 20.5 mm 5
17 Oct. Moderate rain
Moderate rain
 30° /26° 10.7 mm 6
18 Oct. Moderate rain
Moderate rain
 29° /26° 19 mm 6
19 Oct. Light rain
Light rain
 30° /26° 8.9 mm 6
20 Oct. Moderate rain
Moderate rain
 30° /26° 16.5 mm 5
21 Oct. Moderate rain
Moderate rain
 29° /26° 13.8 mm 6
22 Oct. Heavy rain
Heavy rain
 30° /26° 26.3 mm 6
23 Oct. Moderate rain
Moderate rain
 29° /26° 10.8 mm 6
24 Oct. Light rain
Light rain
 29° /25° 6.5 mm 6
25 Oct. Light rain
Light rain
 30° /25° 7.5 mm 6
26 Oct. Patchy rain possible
Patchy rain possible
 30° /25° 1.8 mm 7
27 Oct. Overcast
Overcast
 32° /25° 0 mm 8.3
28 Oct. Overcast
Overcast
 32° /26° 0.1 mm 5.9
29 Oct. Overcast
Overcast
 34° /26° 0.6 mm 8.9
30 Oct. Overcast
Overcast
 33° /26° 0.3 mm 8.4
31 Oct. Partly cloudy
Partly cloudy
 31° /25° 0 mm 8
Next
Important Notice
Our weather forecast for Chennai in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chennai forecast closer to your planned date for the most up-to-date weather information.
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Chennai in October - FAQ

What are the expected maximum and minimum temperatures in Chennai during October?
During October, expect a variety of temperatures with highs around 30° and lows near 26°, suitable for diverse activities and preferences.

How much rainfall should be expected in Chennai during October?
Significant rainfall exceeding 222.8 mm is expected in Chennai during October, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Chennai during October?
The average wind speed in Chennai during October is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Chennai

Explore the daily rainfall trends and prepare for Chennais October weather 💧
Typically, Chennai has 19 rainy days in October with a total of 222.8 mm of rainfall.

UV exposure in Chennai during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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Get accurate weather forecasts for Chennai, located at latitude 13.088 and longitude 80.278. Stay updated with localized weather information tailored for Chennai.

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