How hot is Kolkata in August?

Daytime highs in Kolkata in August average 31°C (89°F); nights drop to about 26°C.

Does it rain in Kolkata in August?

Expect around 29.5 rainy days and 411 mm of rainfall in August.

Is August a good time to visit Kolkata?

August is a challenging month to visit Kolkata — consider November–February instead. Overall travel score: 2.8/10. The best months are November–February.

Kolkata weather in August

August is a challenging month to visit Kolkata — consider November–February instead. Expect highs around 31°C, lows near 26°C, and about 29.5 days with rain.

2.8 · Challengingtravel score for August

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Avg high

31°C

Avg low

26°C

Rainfall

411 mm

Rain days

29.5

Sunshine

7.5 h/day

Daylight

12.8 h

What to pack for Kolkata in August

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

Humidity averages 87%; max daily wind around 17 km/h.

How August compares

Best months in Kolkata: November–February. See the full best time to visit Kolkata guide.

Kolkata in August: the details

In August, Kolkata sees average daytime highs of 31°C (89°F) and overnight lows of 26°C (79°F). Rainfall totals roughly 411 mm across 29.5 rainy days, and the sun shines about 7.5 hours per day with 12.8 hours of daylight mid-month. Relative humidity averages 87%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Kolkata, India (22.56, 88.36) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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