Arani, Tamil Nadu Weather
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Climate of Arani: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), May is usually the hottest month in Arani, with average daytime highs around 36°C. January is the coolest, when nights typically fall to about 20°C.
The area receives about 1190 mm of rain in a typical year. Most of it falls from July to December (around 86% of the yearly total), and November is the wettest month at roughly 275 mm. The driest stretch is January to March, with under 20 mm a month.
For outdoor plans and travel, January to February usually offer the most comfortable weather in Arani, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 27° | 20° | 15 mm | 76% |
| Feb | 30° | 21° | 5 mm | 71% |
| Mar | 34° | 23° | 12 mm | 65% |
| Apr | 36° | 26° | 23 mm | 64% |
| May | 36° | 27° | 49 mm | 62% |
| Jun | 35° | 27° | 65 mm | 63% |
| Jul | 34° | 26° | 106 mm | 66% |
| Aug | 33° | 25° | 127 mm | 71% |
| Sep | 32° | 25° | 136 mm | 76% |
| Oct | 30° | 25° | 261 mm | 79% |
| Nov | 28° | 23° | 275 mm | 82% |
| Dec | 27° | 21° | 112 mm | 80% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Arani. Values describe typical conditions, not a forecast.
About Arani weather
Arani, in Tamil Nadu's eastern coastal plain along the Bay of Bengal, which — unlike most of India — gets its main rains from the retreating north-east monsoon, is positioned about 34 km north-west of Chennai. The warmer months mean a hot summer (April–June) with highs often in the high 30s°C. Next, the north-east monsoon (October–December) — Tamil Nadu's principal rainy season — with a weaker south-west monsoon contribution (June–September) mainly over the western interior takes over. Finally, there's a mild, short winter (December–January) with little temperature drop near the coast. This page shows live, auto-refreshing weather for Arani: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: Asia/Kolkata.
Frequently asked questions
Arani is about 34 km north-west of Chennai, in Tamil Nadu.
Arani gets the north-east monsoon (October–December) — Tamil Nadu's principal rainy season — with a weaker south-west monsoon contribution (June–September) mainly over the western interior.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Arani's exact coordinates. No fixed schedule, the page updates whenever you load it.
May is usually the hottest month in Arani, with average daytime highs of about 36°C and nights around 27°C.
The coldest nights come in January, when the average low is about 20°C and daytime highs reach around 27°C. Winters are mild, so heavy woollens are rarely needed.
Arani receives about 1190 mm of rain in a typical year. November is the wettest month at roughly 275 mm, and the main rainy period is July to December.
January to February usually offer the most comfortable weather in Arani, with mild daytime temperatures and little rain.
In November Arani typically sees daytime highs near 28°C and lows near 23°C, with about 275 mm of rain over the month and average humidity around 82%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Arani updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Arani's day-to-day weather is shaped by its position in Tamil Nadu, India — close enough to the coast for humidity to matter. See the hourly weather forecast or the air quality index for more detail.