January in Chennai — the year's strongest window
Best window · 9.3/10January averages 24°C (76°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 31 mm of rain — occasional showers rather than washed-out days — alongside about 19 sunny days and 11.3 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Chennai at 9.3/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here.
Pack light clothing, swimwear and real sun protection.
February in Chennai — the year's strongest window
Best window · 9.8/10February averages 26°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rain is a non-issue at 1 mm for the month, with about 23 sunny days and 11.6 hours of daylight to work with.
On our climate-comfort scale this is the top-ranked month of the year for Chennai at 9.8/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, swimwear and real sun protection.
March in Chennai — the year's strongest window
Best window · 9.9/10March averages 28°C (83°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Expect 21 mm of rain — occasional showers rather than washed-out days — alongside about 29 sunny days and 11.9 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Chennai at 9.9/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
April in Chennai — the year's strongest window
Best window · 10/10April averages 31°C (87°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rain is a non-issue at 5 mm for the month, with about 30 sunny days and 12.3 hours of daylight to work with.
On our climate-comfort scale this is the top-ranked month of the year for Chennai at 10/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
May in Chennai — the year's strongest window
Best window · 9.2/10May averages 31°C (88°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 59 mm, so plan one flexible day in three; you still get about 25 sunny days and 12.6 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Chennai at 9.2/10 — the reference point every other month on this page is measured against.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
June in Chennai — reliably good (7th best month)
Good · 7/10June averages 30°C (86°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 165 mm this is a genuinely wet month: about 21 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7/10 here, 7th of 12 months, against 10/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, April is materially better in Chennai — 3 points higher on the same scale.
July in Chennai — reliably good (6th best month)
Good · 7.1/10July averages 29°C (85°F) with humidity around 73%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 122 mm this is a genuinely wet month: about 17 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.1/10 here, 6th of 12 months, against 10/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, April is materially better in Chennai — 2.9 points higher on the same scale.
August in Chennai — workable with trade-offs
Trade-offs · 6.9/10August averages 29°C (84°F) with humidity around 77%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 192 mm this is a genuinely wet month: about 22 sunny days in total, and outdoor plans need an indoor fallback.
It scores 6.9/10 here, 9th of 12 months, against 10/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, April is materially better in Chennai — 3.1 points higher on the same scale.
September in Chennai — reliably good (8th best month)
Good · 7/10September averages 28°C (83°F) with humidity around 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 136 mm this is a genuinely wet month: about 19 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7/10 here, 8th of 12 months, against 10/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, April is materially better in Chennai — 3 points higher on the same scale.
October in Chennai — workable with trade-offs
Trade-offs · 6.5/10October averages 28°C (82°F) with humidity around 81%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 180 mm this is a genuinely wet month: about 19 sunny days in total, and outdoor plans need an indoor fallback.
It scores 6.5/10 here, 10th of 12 months, against 10/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, April is materially better in Chennai — 3.5 points higher on the same scale.
November in Chennai — the hardest end of the year
Hardest · 4.8/10November averages 26°C (79°F) with humidity around 85%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
348 mm of rain puts this in monsoon territory — about 10 sunny days across the whole month, and multi-day washouts are normal.
It scores 4.8/10 here, 12th of 12 months, against 10/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, April is materially better in Chennai — 5.2 points higher on the same scale.
December in Chennai — workable with trade-offs
Trade-offs · 5.1/10December averages 25°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
246 mm of rain puts this in monsoon territory — about 12 sunny days across the whole month, and multi-day washouts are normal.
It scores 5.1/10 here, 11th of 12 months, against 10/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
If your dates are flexible, April is materially better in Chennai — 4.9 points higher on the same scale.
