With the state expected to receive heavy rain on May 14 and 15, the IMD has issued yellow alerts for Malappuram, Kozhikode, Kannur and Kasaragod districts on Thursday.
The most dramatic temperature difference was felt in Thiruvananthapuram and Thrissur, where temperatures fell by 4.2 and 4.4 degrees Celsius, respectively.
The update was issued at 1 pm on May 3 by IMD in coordination with Kerala State Emergency Operations Centre and Kerala State Disaster Management Authority.
Meanwhile, the Kerala State Disaster Management Authority (KSDMA) said that high levels of ultraviolet (UV) radiation were recorded in the state until 1 pm on Saturday.
