Since 1 June 2026
337 mm
Same period 2025
480 mm
Rainy days (≥ 2.5 mm)
42 vs 42
Month by month
- Jun88 mm32 mm last year · 10 rainy days
- Jul76 mm106 mm last year · 11 rainy days
- Aug102 mm238 mm last year · 14 rainy days
- Sep70 mm103 mm last year · 7 rainy days
Teal = 2026, grey = 2025.
Last 30 days
17 Aug15 Sept
Quick answers
People often ask about Chennai monsoon
How much rain has Chennai district received this monsoon?
337 mm from 1 June to 15 Sept 2026 at the district centre, over 42 days with 2.5 mm or more. Last year the same period brought 480 mm.
Which was the wettest day of monsoon 2026 in Chennai?
14 Sept 2026, with about 34 mm at the district centre.
Answers are auto-built from the village's verified record. If something is wrong, residents can correct it after claiming the village.