Will I be cold?
Will I be cold in Mumbai in June?
Verdict
No — No, comfortable.
Lows stay near 79°F — you won't be reaching for the puffer.
Day vs. night
Day
90°F
Hot
Prioritize shade, hydration, and a brim.
Night
79°F
Warm
Still warm enough for a T-shirt after dark.
Why
Mumbai in June averages highs of 90°F, lows of 79°F, 19 rainy days.
You can pack for the daytime temps and not worry about the evening dip.