Tamil Nadu (Chennai)
October
Weather in Tamil Nadu for October 2025
Your guide to Tamil Nadu weather in October - trends and predictions
In general, the average temperature in Tamil Nadu at the beginning of October is 31.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.6 °C by the end of October.
Expect significant rainfall in Tamil Nadu during October, with an average of 18 rainy days.
Is October a good time to visit Tamil Nadu? check out the best time to travel to Tamil Nadu page.
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13
Dry days
18
Rainy days
0
Snow days
30°/26°
Temperatures
20 km/h
Avg max wind
71 %
Avg humidity
Tamil Nadu in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2 33° | 3  31° | 4 33° | 5  31° | ||
| 6 31° | 7 30° | 8 30° | 9 29° | 10 30° | 11  31° | 12 30° |
| 13 30° | 14 29° | 15 28° | 16  29° | 17 30° | 18 30° | 19 30° |
| 20 30° | 21 30° | 22 30° | 23 30° | 24 30° | 25 31° | 26 31° |
| 27 30° | 28 31° | 29 30° | 30 31° | 31 30° |
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Temperatures trend during October in Tamil Nadu
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. | Patchy rain possible | 31° /26° | 1.1 mm | 8 | |
| 2 Oct. | Patchy rain possible | 33° /27° | 1.6 mm | 7 | |
| 3 Oct. | Partly cloudy | 31° /27° | 0.5 mm | 8 | |
| 4 Oct. | Patchy rain possible | 33° /26° | 5 mm | 7 | |
| 5 Oct. | Patchy light rain with thunder | 31° /26° | 3.8 mm | 8 | |
| 6 Oct. | Patchy rain possible | 31° /26° | 2 mm | 8 | |
| 7 Oct. | Light rain shower | 30° /26° | 2 mm | 7 | |
| 8 Oct. | Light rain shower | 30° /26° | 5.1 mm | 7 | |
| 9 Oct. | Patchy rain possible | 29° /25° | 3.8 mm | 6 | |
| 10 Oct. | Patchy rain possible | 30° /26° | 3 mm | 7 | |
| 11 Oct. | Sunny | 31° /27° | 2.3 mm | 8 | |
| 12 Oct. | Sunny | 30° /26° | 4 mm | 7 | |
| 13 Oct. | Partly cloudy | 30° /25° | 4.4 mm | 7 | |
| 14 Oct. | Partly cloudy | 29° /24° | 16.8 mm | 7 | |
| 15 Oct. | Patchy rain possible | 28° /25° | 18.5 mm | 7 | |
| 16 Oct. | Thundery outbreaks possible | 29° /25° | 14.3 mm | 6 | |
| 17 Oct. | Sunny | 30° /26° | 1.6 mm | 8 | |
| 18 Oct. | Partly cloudy | 30° /26° | 2.3 mm | 8 | |
| 19 Oct. | Partly cloudy | 30° /26° | 2.9 mm | 8 | |
| 20 Oct. | Partly cloudy | 30° /26° | 0 mm | 7 | |
| 21 Oct. | Partly cloudy | 30° /26° | 2.5 mm | 8 | |
| 22 Oct. | Partly cloudy | 30° /27° | 0.6 mm | 8 | |
| 23 Oct. | Sunny | 30° /26° | 1.8 mm | 8 | |
| 24 Oct. | Sunny | 30° /25° | 5 mm | 8 | |
| 25 Oct. | Sunny | 31° /25° | 0.1 mm | 8 | |
| 26 Oct. | Sunny | 31° /25° | 0 mm | 8 | |
| 27 Oct. | Patchy rain possible | 30° /25° | 0.8 mm | 7 | |
| 28 Oct. | Light rain shower | 31° /26° | 1.1 mm | 7 | |
| 29 Oct. | Light rain shower | 30° /26° | 3.8 mm | 7 | |
| 30 Oct. | Patchy rain possible | 31° /27° | 1.2 mm | 7 | |
| 31 Oct. | Patchy rain possible | 30° /27° | 1.8 mm | 7 | |
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Important Notice
Our weather forecast for Tamil Nadu 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 Tamil Nadu forecast closer to your planned date for the most up-to-date weather information.
Tamil Nadu in October - FAQ
What are the expected maximum and minimum temperatures in Tamil Nadu 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 Tamil Nadu during October?
In October, Tamil Nadu can expect light to moderate rainfall, totaling 43.3 mm across approximately 18 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Tamil Nadu during October?
The average wind speed in Tamil Nadu during October is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Tamil Nadu in October?
As you prepare for your trip to Tamil Nadu in October, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Tamil Nadu, during October, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
- Insect Repellent: For destinations with mosquitos or other insects
October rainfall patterns in Tamil Nadu
Explore the daily rainfall trends and prepare for Tamil Nadus October weather 💧
UV exposure in Tamil Nadu during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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