WanderWhen

Chennai weather in August

August is a challenging month to visit Chennai — consider January–February instead. Expect highs around 33°C, lows near 26°C, and about 20.2 days with rain.

2.2 · Challengingtravel score for August
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg high
33°C
Avg low
26°C
Rainfall
139 mm
Rain days
20.2
Sunshine
9.3 h/day
Daylight
12.4 h

What to pack for Chennai in August

  • light, breathable clothing
  • sun protection (hat, SPF 50)
  • a compact umbrella or rain shell — rain is frequent

Humidity averages 74%; max daily wind around 18 km/h.

How August compares

January: 8.9/10 JFebruary: 8.8/10 FMarch: 7.1/10 MApril: 5.4/10 AMay: 3.4/10 MJune: 2.2/10 JJuly: 2.0/10 JAugust: 2.2/10 ASeptember: 2.6/10 SOctober: 3.9/10 ONovember: 5.3/10 NDecember: 6.8/10 D

Best months in Chennai: January–February. See the full best time to visit Chennai guide.

Chennai in August: the details

In August, Chennai sees average daytime highs of 33°C (92°F) and overnight lows of 26°C (79°F). Rainfall totals roughly 139 mm across 20.2 rainy days, and the sun shines about 9.3 hours per day with 12.4 hours of daylight mid-month. Relative humidity averages 74%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Chennai, India (13.09, 80.28) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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