Data | A June with extremes: Maximum temperature hits the lowest mark in Chennai, highest in Thiruvananthapuram Premium
The Hindu
The maximum temperature hit the lowest mark in Chennai and the highest in Thiruvananthapuram
The year 2023 recorded extreme June temperatures across many Indian cities. Chennai and Chandigarh witnessed the lowest-ever maximum temperatures recorded on a June day in the last seven decades, while Thiruvananthapuram recorded its hottest June day in the same period.
Chart | The chart shows the maximum temperatures recorded on a June day between June 1, 1952, and June 25, 2023. Each dot corresponds to the maximum temperature recorded on a June day. The June days of 2023 are highlighted. Only select cities with complete data are listed.
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Chennai experienced its lowest-ever maximum temperature for June (28.2°C) on June 19, the day it received copious amounts of rainfall. According to data sourced from AWS-ARG networks, the Nungambakkam station in Chennai recorded a little over 80 mm of rainfall in the 24-hour period ending at 8.30 a.m. on June 19 and more than 50 mm in the next 24 hours. The city was experiencing a heat wave till then, with temperatures soaring to 42.7°C on June 3 — the third highest maximum temperature for the city on a June day. Following heavy rainfall, a rarity in June for the city, Chennai cooled down rapidly to record the lowest-ever maximum temperature.
Bengaluru, Jaipur, Delhi, and Dehradun also recorded many of their lowest maximum temperature readings for June 2023. The relatively cooler maximum temperatures of 30.7°C and 31.4°C in Jaipur on June 18 and 19 can be attributed to the aftermath of Cyclone Biparjoy. On Sunday, Jaipur recorded its third-lowest maximum temperature of 30.6°C.
The south-west monsoon rainfall on Sunday in Delhi (34.1 mm) and Dehradun (76.3 mm) brought the temperatures down to some of the lowest they have experienced in June as well. Delhi recorded the second-lowest maximum temperature of 28.5°C and Dehradun recorded a temperature of 22.8°C (third-lowest). Chandigarh’s maximum temperature dropped down to a record low of 26.3°C.
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