Weather radar Chennai
Real-time precipitation radar · Tamil Nadu · India
Chennai climate table – average temperature, precipitation & sunshine hours
The climate table for Chennai shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 28° | 29.8° | 32.2° | 34.2° | 36.2° | 35.5° | 34.1° | 33.3° | 32.5° | 30.7° | 28.5° | 27.6° |
| Avg low (°C) | 21.4° | 21.5° | 23.5° | 26.4° | 28.1° | 27.9° | 27° | 26.4° | 26° | 24.8° | 23.5° | 22.4° |
| Precipitation (mm) | 16 | 7 | 12 | 17 | 48 | 54 | 85 | 110 | 120 | 218 | 260 | 129 |
| Rainy days | 4 | 2 | 2 | 3 | 5 | 11 | 15 | 16 | 18 | 20 | 17 | 10 |
| Sunshine hours | 314 | 297 | 340 | 333 | 335 | 283 | 261 | 267 | 276 | 277 | 252 | 286 |
| Humidity | – | – | – | – | – | – | – | – | – | – | – | – |
Best time to visit Chennai
The best time to visit Chennai is typically March. In this month the average high is 32.2°C, precipitation is 12 mm and sunshine duration is 340 hours. The annual average high is 31.9°C, total annual precipitation is 1076 mm (123 rainy days/year) and annual sunshine is 3521 hours.
Frequently asked questions about the weather in Chennai
How up to date is the weather radar for Chennai?
The weather radar for Chennai is updated every 5 minutes with new radar data from the OPERA composite radar. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for Chennai?
Besides the rain radar, RadarWeather provides for Chennai: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in Chennai?
The thunderstorm potential for Chennai is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near Chennai.
What is the climate like in Chennai?
Chennai has an annual average high of 31.9°C. The warmest month is May (avg high 36.2°C), the coldest January (avg low 21.4°C). The wettest month is November with 260 mm, the driest February with 7 mm. Total annual precipitation is 1076 mm (123 rainy days). Annual sunshine is 3521 hours.
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