21° to 30°
Cool & Dry
The least hot month of the year, and the most comfortable stretch of the dry season.
📅
Pongal, mid-January
Tamil Nadu's major harvest festival is widely celebrated in and around Puducherry too, a four-day celebration marked by kolam patterns, the festival's namesake sweet rice dish, and family gatherings.
☀️ Sunscreen🧥 Light layers for evenings
22° to 31°
Warm & Dry
Still comfortably mild, with the dry season holding steady.
☀️ Sunscreen🧥 Light layers for evenings
23° to 33°
Heat Builds
Still technically the dry season, but the heat climbs fast from here.
☀️ Sunscreen🥵 Heat building
26° to 34°
Very Hot
Daytime highs regularly push past 34°C, with the hottest stretch of the year just ahead.
🥵 Heat protection💧 Stay hydrated
27° to 37°
Scorching
Among the hottest months of the year, with temperatures that have reached 43°C.
🥵 Extreme heat💧 Stay hydrated
27° to 37°
Shielded from the Monsoon
Just as hot as May, but the Western Ghats keep rainfall relatively light even as the southwest monsoon begins elsewhere.
🥵 Heat protection☔ Light rain jacket
26° to 36°
Rain Picks Up
Still very hot, with rain becoming more frequent as the monsoon strengthens.
☔ Umbrella handy💧 Stay hydrated
26° to 35°
Rainy Season Begins
Rain grows more frequent as winds increasingly blow in from the east.
☔ Umbrella handy💧 Stay hydrated
25° to 34°
Building Toward Monsoon
Hot and increasingly wet, as the year's wettest stretch approaches.
☔ Umbrella handy🥵 Still hot
24° to 33°
Northeast Monsoon Arrives
Rain becomes a near-daily event as the true wet season sets in.
☔ Umbrella essential⚠️ Flash-flood aware
23° to 31°
Wettest Month
The wettest month of the year, driven by the retreating northeast monsoon.
☔ Heavy rain gear⚠️ Flash-flood aware
22° to 29°
Still Unsettled
Cooler, but still within the rainy season, with unsettled weather lingering before the dry months return.
☔ Umbrella handy🧥 Light layers for evenings
★★★ peak season, ★★☆ decent shoulder months, ★☆☆ true off-peak, based on rain frequency, heat, and haze.