Tamil Nadu Weather: Chennai, Other Dists Brace For Hot, Humid Voting Day On April 23

Tamil Nadu Weather: As crores of voters prepare to step out for polling on April 23, the weather across Tamil Nadu is expected to remain largely hot, with above-normal temperatures likely to dominate much of the state, particularly in the interior regions.

According to the Regional Meteorological Centre, there will be no significant change in maximum temperatures through the polling period, although a slight rising trend is expected between April 22 and April 26. Interior districts are likely to record temperatures 2-3°C above normal, while coastal areas, including Chennai, will see near-normal readings but with persistent humidity.

Interior Tamil Nadu Sizzles

The latest observations paint a clear picture of the heat building up across the state. Vellore emerged as the hottest location with a scorching 41.9°C, followed by Karur-Paramathi at 40.5°C and Namakkal at 39.9°C. Several other key districts, including Madurai, Tiruchirappalli, Erode and Salem, reported temperatures hovering close to or above 39°C.

This widespread heat across interior Tamil Nadu could make daytime voting physically demanding, especially in areas where temperatures are significantly above seasonal averages.

Chennai to Remain Hot and Humid

For Chennai, polling day is expected to be typically summer-like. The forecast indicates maximum temperatures between 37°C and 38°C, with minimum temperatures around 27-28°C.

The city will experience partly cloudy skies, but the dominant weather feature will be hot and humid conditions, which could add to discomfort for voters standing in queues through the day.

Rainfall to Stay Limited, Mostly in Pockets

While most parts of Tamil Nadu will remain dry, some relief is expected in select regions. The weather department has forecast light to moderate rainfall at isolated places, particularly over:

• Western Ghats districts
• Delta regions
• South coastal Tamil Nadu
• Karaikal area

Thunderstorms accompanied by lightning may occur in a few locations, but these are expected to be scattered and not widespread enough to significantly alter the overall heat conditions.

Recent rainfall activity has already been limited, with the highest recorded precipitation being 47.2 mm in Kuzhithurai (Kanyakumari district), while the rest of the state largely remained dry.

Weather Systems in Play

An upper air cyclonic circulation over north Tamil Nadu and a wind discontinuity stretching from Marathwada to the Comorin region are influencing current weather patterns. However, these systems are not strong enough to trigger widespread rainfall, keeping the broader outlook hot and dry.

Hill Stations Offer Contrast

In sharp contrast to the plains, hill stations continue to enjoy mild conditions. Temperatures in Udagamandalam (Ooty), Kodaikanal and Coonoor ranged between 24°C and 27°C, offering a cool respite from the intense heat gripping the rest of the state.

What It Means for Voters

With polling scheduled during peak summer conditions, voters-especially in interior districts-are likely to face intense heat during midday hours. Experts advise stepping out early in the morning or later in the afternoon, staying hydrated, and avoiding prolonged exposure to direct sunlight.

Overall, while weather disruptions such as heavy rain are unlikely, heat and humidity will be the defining factors shaping the voting experience across Tamil Nadu on April 23.