Weather Conditions Over Poll-Bound States: West Bengal-Tamil Nadu
Key Takeaways:
- Tamil Nadu to witness hot and humid conditions across interiors and coastal regions
- West Bengal to see mixed weather—rain in Sub-Himalayan areas, heat in plains
- Scattered rain likely in North Bengal during late afternoon and evening hours
- Heat and humidity may impact voter comfort, especially in Gangetic plains and coastal Tamil Nadu
States of Tamil Nadu and West Bengal will go to assembly polls on 23 April 2026. While Tamil Nadu will have voting for all the 234 seats, the state of West Bengal will poll for 152 seats. The rest of the 142 seats will poll on 29th April 2026. Weather conditions play a significant role in drawing maximum voters on the polling day. While the state of West Bengal will have a mix of hilly areas and plains together for polls, Tamil Nadu braces for hot and sultry weather, more so along the vast coastline of over 1000 km.
A cyclonic circulation is persisting over North Bangladesh and western parts of Assam. An east-west trough runs from North Bihar to Nagaland, across Sub-Himalayan West Bengal and Assam. The northern half of Sub-Himalayan West Bengal is likely to have scattered rain and thundershowers on 23rd April. The locations at risk will include Siliguri, Coochbehar, Alipurduar, Binaguri, Hashimara, Kurseong, Darjeeling and Kalimpong. However, the weather activity normally occurs in the late afternoon, evening and night hours. Forenoon and afternoon mostly remain weather-free around this time of the year.
Gangetic West Bengal is likely to have hot and humid weather conditions. These places will include Bardhaman, Malda, Murshidabad, Medinipur, Purulia and Jhargram. The temperatures will hover around 36°–38°C, with isolated places like Purulia, Panagarh and Bankura reaching close to the 40°C mark. The humidity levels will be high, raising the discomfort level, more so during the hot sun in the afternoon hours. The chance of rains is minimal for this part of West Bengal.
Interiors of Tamil Nadu will witness hot conditions with temperatures in excess of 37°–38°C. Isolated places may even have the mercury reaching the 40°C mark. Deeper parts of the state will have these conditions and will include Madurai, Thanjavur, Salem, Karur, Tirupur, Coimbatore and Dharmapuri. The coastal stations will have temperatures in the range of 35°–36°C, but the humidity levels will be high, making it hot and sultry. These places will include the capital city Chennai, Cuddalore, Tambaram, Tondi, Nagapattinam, Pamban, Tuticorin and Kanniyakumari. There is likelihood of mild thunderstorm and lightning over the north and central coastal stations of the state. This weather activity will happen in the evening and early night hours.
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