Tamil Nadu
When to go?
Mean 25 °C, 1 rain day in the month (18 mm).
Against
- Hothighs of 30 °C
Mean 27 °C, 1 rain day in the month (12 mm).
Against
- Hothighs of 32 °C
Mean 29 °C, 1 rain day in the month (21 mm).
Against
- Hothighs of 35 °C
Mean 30 °C, 3 rain days in the month (43 mm).
Against
- Hothighs of 36 °C
Mean 31 °C, 5 rain days in the month (67 mm).
Against
- Hothighs of 36 °C
Mean 29 °C, 5 rain days in the month (70 mm).
Against
- Hothighs of 34 °C
Mean 29 °C, 5 rain days in the month (85 mm).
Against
- Hothighs of 33 °C
Mean 28 °C, 6 rain days in the month (114 mm).
Against
- Hothighs of 33 °C
Mean 28 °C, 7 rain days in the month (132 mm).
Against
- Hothighs of 33 °C
Mean 27 °C, 9 rain days in the month (222 mm).
Against
- Hothighs of 32 °C
Mean 26 °C, 8 rain days in the month (191 mm).
Against
- Hothighs of 30 °C
Mean 25 °C, 4 rain days in the month (83 mm).
Against
- Hothighs of 29 °C
No ideal month: the best month is January, the least hot. Avoid February–December (hot).
Climate zones
- Freezing, dry
- Freezing
- Freezing, wet
- Cold, dry
- Cold
- Cold, wet
- Mild, dry
- Mild
- Mild, wet
- Hot, arid
- Hot
- Hot, wet
- Torrid, arid
- Torrid
- Torrid, wet
Mean maximum and minimum temperature and mean monthly precipitation of the season (the mean of its three months), ERA5-Land 1996–2025, at about 9 km resolution: colours are in levels (the same as the city scale) and smaller details are not real.
What is the climate like?
Area mean indicative, over the whole territory
Temperature and rain
Monthly min and max temperature (°C)
Monthly min and max temperature (°C)
How much it rains
Rain days and how much water
Rain days and how much water
Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day
Colour = the month's rain: 103060100160250400mm
Daylight hours
Mean daylight hours over the whole territory.
Spatial mean over the whole area, weighted by area (cosine of the latitude), not by population: indicative only, since the climate varies a lot within an area (coasts, plains, mountains). Look at the cities for the weather you will find.