Tamil Nadu weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Tamil Nadu, India. Like most weather services, we show Tamil Nadu at one spot: Chennai, its largest city. At 3:00 AM local time it was mostly clear and 27°C (80°F). Mostly light, on-and-off rain; heavier around 12 AM, 2 AM (8.8 mm total). Best months for weather: Jan–Mar.
Current conditions
- Clouds
- 24%
- Chance of rain
- 19%
- Rain
- 0.1 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 12 AM, 2 AM (8.8 mm total)
Daily Forecast
Best Time to Visit
Peak season Jan–MarOff season Jul–Aug, Oct–Nov
About Chennai weather
Is it raining in Chennai right now?
No. It’s mostly clear and 27° right now. Mostly light, on-and-off rain; heavier around 12 AM, 2 AM (8.8 mm total).
What’s the weather like in Chennai this week?
Over the next 7 days, expect highs of 29–30° and lows of 24–25°. Rain is likely on 7 of 7 days (Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday). The driest day looks like Sunday.
Has it been raining in Chennai lately?
In the past 7 days, Chennai had 3 rainy days and 23.1 mm of rain in total.
What should I pack for Chennai?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Tamil Nadu weather by month
When is the best time to visit Tamil Nadu?
Based on weather alone, the best time to visit Tamil Nadu is Jan–Mar, according to NASA's 2001–2025 climate averages. Jul–Aug, Oct–Nov tends to be the least pleasant. Average highs run from 27°C (81°F) in December to 36°C (97°F) in May.
What is the rainiest month in Tamil Nadu?
November is the wettest month, with about 292 mm (11.5 in) of rain on average. February is the driest, with about 6 mm (0.2 in).
What is the hottest month in Tamil Nadu?
May is the warmest, with average highs of 36°C (97°F) and lows of 27°C (81°F). December is the coolest, with highs of 27°C (81°F) and lows of 22°C (71°F).
Does Tamil Nadu have a rainy season?
Yes. Oct–Nov is the rainy season (150 mm or more a month), while Jan–May is usually dry (under 60 mm).
How warm is the sea in Tamil Nadu?
The sea is warmest in May at about 31°C (88°F) and coolest in January at about 27°C (81°F). It is warm enough for swimming all year.
Tamil Nadu weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Chennai), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Tamil Nadu
Weather can differ a lot within Tamil Nadu: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Chennai | Jan–Mar | Oct–Nov | 27–36°C | 1,253 mm |
| Coimbatore | Dec–Feb | Jun–Jul, Oct | 27–35°C | 1,142 mm |
| Kallakurichi | Jan–Feb | Oct–Nov | 28–37°C | 874 mm |
| Madurai | Jan–Feb | Oct–Nov | 28–37°C | 962 mm |
| Tirunelveli | Dec–Feb | Oct–Nov | 27–35°C | 1,293 mm |
| Teni | Dec–Feb | Oct–Nov | 25–33°C | 1,123 mm |
| Tiruchirappalli | Jan–Feb | Oct–Nov | 29–38°C | 830 mm |
| Tiruppur | Dec–Jan | Oct | 29–38°C | 710 mm |
| Salem | Dec–Jan | Oct | 29–38°C | 804 mm |
| Erode | Dec–Feb | Oct | 28–37°C | 728 mm |
| Vellore | Jan–Feb | Oct–Nov | 27–38°C | 1,058 mm |
| Ambattur | Jan–Mar | Oct–Nov | 27–36°C | 1,253 mm |
Cities and towns in Tamil Nadu
- Chennai
- Coimbatore
- Kallakurichi
- Madurai
- Tirunelveli
- Teni
- Tiruchirappalli
- Tiruppur
- Salem
- Erode
- Vellore
- Ambattur
- Thoothukudi
- Avadi
- Dindigul
- Thanjavur
- Rānipet
- Tiruvottiyūr
- Sivakasi
- Karur
- Pallāvaram
- Ooty
- Hosūr
- Nāgercoil
- Kanchipuram
- Kumarapalayam
- Kāraikkudi
- Neyveli
- Tambaram
- Cuddalore
- Kumbakonam
- Alandur
- Tiruvannamalai
- Rajapalayam
- Kurichchi
- Madhavaram
- Pudukkottai
- Ambur
- Nagapattinam
- Villupuram
- Kuniyamuttūr
- Paramagudi
- Tiruchengode
- Vaniyambadi
- Kovilpatti
- Allinagaram
- Gudiyatham
- Kadayanallur
- Valparai
- Pollachi
- Avaniyāpuram
- Aruppukkottai
- Velampālaiyam
- Mayiladuthurai
- Maduravoyal
- Vīrappanchathiram
- Idaiyarpālaiyam
- Maraimalainagar
- Arakkonam
- Neelankarai
- Pammal
- Bodināyakkanūr
- Srivilliputhur
- Virudhachalam
- Kāsipālaiyam
- Virudunagar
- Pattukkottai
- Tindivanam
- Dharapuram
- Krishnagiri
- Thenkasi
- Palani
- Nallūr
- Mettupalayam
- Dharmapuri
- Cumbum
- Mannargudi
- Puliyankudi
- Chengalpattu
- Ramanathapuram
- Vīrarāghavapuram
- Tirupattur
- Ānaiyūr
- Arni
- Chidambaram
- Attur
- Vriddhāchalam
- Udumalaippettai
- Poonamalle
- Panruti
- Nerkunram
- Gobichettipalayam
- Thiruvarur
- Sankarankovil
- Mettur
- Tiruvallur
- Nāmakkal
- Arcot
- Tiruttangal
- Periya Semūr
- Kavanur
- Idappadi
- Tāndoni
- Nerupperichchal
- Ullagaram
- Ramapuram
- Devakottai
- Peranāmpattu
- Tirumangalam
- Vīrapāndi
- Rasipuram
- Tirupparangunram
- Perambalur
- Gudalur
- Anakaputhur
- Walajapet
- Gudalur
- Valasaravakkam
- Vikramasingapuram
- Porur
- Nellikkuppam
- Milavittan
- Coonoor
- Meddappakkam
- Rameswaram
- Vishāram
- Thiruthani
- Tondalam
- Gūduvāncheri
- Melmadai
- Saint Thomas Mount
- Pallikaranai
- Perungudi
- Periyakulam
- Sivaganga
- Chinnamanūr
- Palladam
- Sūrampatti
- Jalārpet
- Arantāngi
- Kayalpattinam
- Manapparai
- Boyampālaiyam
- Kallakkurichchi
- Vellakkovil
- Pallipalayam
- Mappilaiurani
- Melur
- Vadavalli
- Bhavāni
- Lakkanahalli
- Kālappatti
- Kurinjippādi
- Mūkondapalli
- Tuvāgudi
- Kātpādi
- Kollancode
- Kilakarai
- Rajakilpakkam
- Sathyamangalam
- Cheyyar
- Chettipālaiyam
- Perunkalattu
- Tinnanūr
- Kattivākkam
- Kodaikānāl
- Madipakkam
- Ambasamudram
- Sholinganallur
- Sūrandai
- Manali
- Usilampatti
- Kāramadai
- Karumattampatti
- Podaturpet
- Sīrkāzhi
- Vedaraniyam
- Pārassāla
- Jayamkondacholapuram
- Tudiyalūr
- Idangansālai
- Srvanampatti
- Nānjikkottai
- Muttayyāpuram
- Jūjūvādi
- Thuraiyur
- Manamadurai
- Tiruchchendur
- Kangayam
- Turaiyūr
- Sattur
- Kottaikuppam
- Puzhal
- Vandavāsi
- Tirumuruganpūndi
- Singānallūr
- Allapuram
- Kannānendal
- Adirampattinam
- Ponneri
- Pāmban
- Kalakkādu
- Vilāngudi
- Sholinghur
- Madurāntakam
- Kallamchavadi
- Pallappatti
- Madukkarai
- Tāramangalam
- Tirukkoyilur
- Musiri
- Oddanchathiram
- Pānakkudi
- Reddipālaiyam
- Sankagiri
- Vadakku Valliyūr
- Tirukkalikkunram
- Ariyalūr
- Unamaucheri
- Uttamapālaiyam
- Avinashi
- Kotagiri
- Vandiyūr
- Kāraippudūr
- Sūryampālaiyam
- Ālangulam
- Mīnjūr
- Kottaikādu
- Polūr
- Kulittalai
- Sulur
- Mathur
- Kullattūr
- Kattumannarkoil
- Āndippatti
- Arumuganeri
- Ayakudi
- Gingee
- Chengam
- Vadipatti
- Shenkottai
- Palavakkam
- Kottur
- Sankarapatti
- Pallippatti
- Kallidaikurichi
- Murugampālaiyam
- Chinnalapatti
- Anuppānadi
- Muttanampālaiyam
- Mannachanallur
- Periyanayakkanpalaiyam
- Irugūr
- Mechcheri
- Balakrishnapuram
- Viswanatham
- Parangipettai
- Andipalayam
- Harūr
- Koothanallur
- Edaicode
- Uttiramerūr
- Pottaneri Nallakavundanpatti
- Mugalivakkam
- Chinna Salem
- Velur
- Paramathi Velur
- Devarshola
- Perundurai
- Vellalūr
- Srīperumbūdūr
- Brāhmana Periya Agrahāram
- Ilaiyankudi
- Tattānkuttai
- Ezhudesam
- Tiruppuvanam
- Thiruthuraipoondi
- Meenambakkam
- Denkanikota
- Vilankurichi
- Chettipālaiyam
- Pacode
- Pāppākurichchi
- Kaikalapettai
- Karumāndi Chellipālaiyam
- Vīrakeralam
- Pādiyanallūr
- Lalgudi
- Ulundurpet
- Tisaiyanvilai
- Natham
- Unnamalaikadai
- Painkulam
- Sevilimedu
- Pugalūr
- Injambakkam
- Vengattūr
- Nāyanakulam
- Kērkandi
- Colachel
- Tharangambadi
- Tiruverumbūr
- Mattigiri
- Narasingapuram
- Pallikonda
- Sivagiri
- Vadakkanandal
- Vattalkundu
- Tittagudi
- Aramboli
- Kādiganpalli
- Sholavandan
- Kanniyākumāri
- Senapparetti
- Triparappu
- Kilapavoor
- Attimarappatti
- Nilakottai
- Palavansathu
- Nāmagiripettai
- Peravurani
- Marakkanam
- Nalambūr
- Kīl Bhuvanagiri
- Kollivāyal
- Polichalur
- Muthupet
- Kadayal
- Tammampatti
- Virugambakkam
- Vāsudevanallūr
- Padmanābhapuram
- Kondasamudram
- Kuzhithurai
- Reethapuram
- Pudupattanam
- Anthiyur
- Pālakkodu
- Nāravārikuppam
- Marthandam
- Sālamedu
- Vadakarai Kīl Pidāgai
- Sāmalāpuram
- Madattukkulam
- Kondalampatti
- Ālampālaiyam
- Wellington
- Settūr
- Kotivakkam
- Puliyankannu
- Chinnavādampatti
- Sūleswaranpatti
- Annur
- Sirumugai
- Paravai
- Nattappettai
- Sankaraperi
- Kalinjur
- Chetput
- Chinna Āndānkovil
- Kannānkurichchi
- Sendamangalam
- Udangudi
- Tirumeshi
- Verukulambu
- Vadakku Viravanallur
- Mulakumūd
- Pennādam
- Methukummal
- Tiruppālai
- Devadanapatti
- Ammainaickanur
- Maduraivayal
- Jalladiampet
- Kallukuttam
- Tiruvattār
- Punjai Puliyampatti
- Gummidipundi
- Tādikombu
- Mallasamudram
- Rakkiyapālaiyam
- Kammivapettai
- Tiruvankod
- Mamsapuram
- Tyāgadurgam
- Palappallam
- Pālaiyampatti
- Ūttangarai
- Tondi
- Pottanūr
- Mandapam
- Cheranmahadevi
- Alangāyam
- Chetput
- Palugal
- Inam Maniyachi
- Vengikkal
- Kariapatti
- Singampunari
- Vettaikkaranpudur
- Eruvādi
- Vadamadurai
- Nalloor
- V.S.K.Valasai (Dindigul-Dist.)
- Avalēpalli
- Narasimhanaickenpalayam
- Adiyanuthu
- Sīlappādi
- Kulattuppālaiyam
- Rāmachettipālaiyam
- Chettināyakkanpatti
- Mangalam
- Peddanāyakkanpālaiyam
- Kothanallur
- Nangavaram
- Vazhapadi
- Papanasam
- Settiyārpatti
- Pennāgaram
- Dharmapuram
- Periyakottai
- Keezhkulam
- Sivagirippatti
- Kāttatturai
- Kulasegaram
- Mannarai
- Bhikshāndārkovil
- Palangarai
- Pudūr
- Anaimalai
- Ayyalur
- Nāranammālpuram
- Madambakkam
- Valvachatottam
- Sithurajapuram
- Vandalūr
- Āchāripallam Vāniyakudi
- Pāchchal
- Navalpattu
- Vathirairuppu
- Sivagiri
- Vallam
- Valavanur
- Sāmbūrvadakara
- Thorapadi
- Karingal
- Vīrnūr
- Pattamadai
- Nazareth
- Lālpettai
- Jāmbai
- Sundakkāmpālaiyam
- Nambiyūr
- Bargūr
- Ūttukuli
- Annāmalainagar
- Arumanai
- Omalur
- Chennimalai
- Madukkūr
- Ayyampettāi
- Thimiri
- Ellakkudi
- Neelagiri
- Jalakandapuram
- Thiruvaiyaru
- Elandakuttai
- Nallavila
- Kāmayakkavundanpatti
- Kuthalam
- Tevāram
- Vellakkinar
- Kappiyara
- Kombai
- Koothappar
- Boothapandi
- Kannampālaiyam
- Srivaikuntam
- Pudukkottai
- Elumalai
- Kumārapālaiyam
- Periyapatti
- Chokkanāthapuram
- Agaram
- Salangaippālaiyam
- Ponmana
- Vettavalam
- Tindal
- Kalugumalai
- Pālaiyam
- Dārāsuram
- Villukuri
- Vilattikulam
- Mūlanūr
- Kangeyanallur
- Mahabalipuram
- Ottakkadai
- Āyikudi
- Tirunāgeswaram
- Ālūr
- Kāveripatnam