Best time to visit Chennai
The best time to visit Chennai, India is January–February — expect daytime highs near 28°C and roughly 7 rainy days a month. The most challenging month is typically July.
Travel score by month (0–10)
Chennai climate, month by month
Averages computed from ERA5 reanalysis data, 2019–2024. Daylight on the 15th: 11.3 h in January.
| Month | High | Low | Rain days | Rainfall | Sun/day | Humidity | Score |
|---|---|---|---|---|---|---|---|
| January | 28°C | 22°C | 7 | 37 mm | 10.4 h | 76% | 8.9 · Excellent |
| February | 30°C | 23°C | 1.8 | 8 mm | 11.3 h | 74% | 8.8 · Excellent |
| March | 32°C | 24°C | 2 | 10 mm | 11.6 h | 76% | 7.1 · Good |
| April | 34°C | 26°C | 2.7 | 10 mm | 11.6 h | 76% | 5.4 · Fair |
| May | 35°C | 28°C | 6.8 | 75 mm | 10.6 h | 73% | 3.4 · Poor |
| June | 36°C | 28°C | 11.2 | 68 mm | 10 h | 67% | 2.2 · Challenging |
| July | 33°C | 27°C | 19.2 | 128 mm | 8.2 h | 72% | 2.0 · Challenging |
| August | 33°C | 26°C | 20.2 | 139 mm | 9.3 h | 74% | 2.2 · Challenging |
| September | 32°C | 26°C | 20.7 | 152 mm | 9 h | 78% | 2.6 · Challenging |
| October | 31°C | 25°C | 22.2 | 217 mm | 9.4 h | 81% | 3.9 · Poor |
| November | 29°C | 24°C | 23.5 | 394 mm | 7.9 h | 84% | 5.3 · Fair |
| December | 28°C | 23°C | 15 | 209 mm | 9.2 h | 79% | 6.8 · Fair |
January
8.9 · Excellent
28°C / 22°C
💧 7 rain days · ☀️ 10.4 h sun · 🌡 feels 76% RH
February
8.8 · Excellent
30°C / 23°C
💧 1.8 rain days · ☀️ 11.3 h sun · 🌡 feels 74% RH
March
7.1 · Good
32°C / 24°C
💧 2 rain days · ☀️ 11.6 h sun · 🌡 feels 76% RH
April
5.4 · Fair
34°C / 26°C
💧 2.7 rain days · ☀️ 11.6 h sun · 🌡 feels 76% RH
May
3.4 · Poor
35°C / 28°C
💧 6.8 rain days · ☀️ 10.6 h sun · 🌡 feels 73% RH
June
2.2 · Challenging
36°C / 28°C
💧 11.2 rain days · ☀️ 10 h sun · 🌡 feels 67% RH
July
2.0 · Challenging
33°C / 27°C
💧 19.2 rain days · ☀️ 8.2 h sun · 🌡 feels 72% RH
August
2.2 · Challenging
33°C / 26°C
💧 20.2 rain days · ☀️ 9.3 h sun · 🌡 feels 74% RH
September
2.6 · Challenging
32°C / 26°C
💧 20.7 rain days · ☀️ 9 h sun · 🌡 feels 78% RH
October
3.9 · Poor
31°C / 25°C
💧 22.2 rain days · ☀️ 9.4 h sun · 🌡 feels 81% RH
November
5.3 · Fair
29°C / 24°C
💧 23.5 rain days · ☀️ 7.9 h sun · 🌡 feels 84% RH
December
6.8 · Fair
28°C / 23°C
💧 15 rain days · ☀️ 9.2 h sun · 🌡 feels 79% RH
Hottest month
June · 36°C
Coldest month
January · 22°C nights
Wettest month
November · 394 mm
Driest month
February · 8 mm
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