Monthly climate averages for Chennai, India. Based on 10-year ERA5 reanalysis data.
Am Tropical Monsoon
Climate OverviewChennai, India in May has hot conditions, with highs reaching 35.8°C (96°F) and afternoons the warmest part of the day. Sea temperature reaches 31°C (88°F).
This month falls at the end of Spring. Temperatures are at their seasonal peak.
Temperatures remain fairly steady throughout May, with daily highs around 36°C (97°F).
Rainfall is heaviest during the middle of the month, while the last third tends to be drier.
The warmest days tend to fall around the 30th, averaging 37.1°C (99°F).
Compared to April, this month is about 1°C warmer with 3 more rainy days.
Daily averages based on historical data (2016–2025)
With midday temperatures reaching 36°C (96°F), schedule outdoor activities for early morning or late afternoon. Evenings remain warm enough for comfortable outdoor dining and night markets.
Rain is uncommon in this month, so most days stay dry from morning through evening.
Recent yearly records for May have stayed close to the long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 28°C / 21°C | 31°C / 24°C | 5days (29 mm) Good | 9.9h Good | 76% Humid | 6.7 High | Excellent | View Details |
| February best | 30°C / 21°C | 33°C / 24°C | 1days (5 mm) Excellent | 10.5h Excellent | 74% Muggy | 8.2 Very High | Excellent | View Details |
| March | 33°C / 24°C | 37°C / 28°C | 1days (7 mm) Excellent | 11h Excellent | 74% Muggy | 9 Very High | Fair | View Details |
| April | 35°C / 26°C | 40°C / 32°C | 2days (6 mm) Excellent | 11.2h Excellent | 73% Muggy | 9.2 Very High | Poor | View Details |
| May | 36°C / 28°C | 41°C / 32°C | 5days (69 mm) Good | 10.5h Excellent | 70% Muggy | 8.2 Very High | Poor | View Details |
| June | 35°C / 28°C | 40°C / 31°C | 13days (71 mm) Wet | 9.3h Good | 66% Muggy | 7.7 Very High | Poor | View Details |
| July | 33°C / 27°C | 38°C / 30°C | 16days (108 mm) Wet | 8h Good | 68% Muggy | 7 High | Poor | View Details |
| August | 33°C / 26°C | 38°C / 30°C | 17days (106 mm) Wet | 8.5h Good | 72% Muggy | 7.7 Very High | Poor | View Details |
| September | 32°C / 26°C | 38°C / 30°C | 16days (104 mm) Wet | 8.8h Good | 75% Muggy | 8.3 Very High | Poor | View Details |
| October | 31°C / 25°C | 36°C / 29°C | 19days (172 mm) Wet | 9.2h Good | 80% Humid | 7.6 Very High | Wet | View Details |
| November | 29°C / 24°C | 32°C / 27°C | 19days (313 mm) Wet | 8.1h Good | 83% Humid | 6.3 High | Wet | View Details |
| December best | 28°C / 23°C | 30°C / 25°C | 10days (148 mm) Wet | 9.1h Good | 79% Humid | 6.1 High | Excellent | View Details |
Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool.
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