Whanganui Airport recorded the second hottest April temperature since 1978 with 25.6C recorded on Thursday.
MetService meteorologist Jessie Owen said the average high temperature for Whanganui was 18.8C and Thursday’s temperature topped that by 6.8C.
“That’s definitely warm for this time of year.”
In Whanganui city, it was even hotter as the temperature leapt up to 27.6C; however, MetService does not have long-term climate records for the central city.
Owen said looking ahead to the weather for the weekend there was a low pressure system that would bring rain to most of the North Island on Friday.