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ABSTRACT
Malaria is a common disease in tropical regions of the world. The occurrence of malaria outbreaks is determined by several factors. This study assessed the association between selected climatic parameters (temperature and rainfall) and malaria incidence in Benin City, Nigeria. Climate data was obtained from the Nigeria Meteorological Agency (NiMet) covering the period from 1990 to 2022. Malaria incidence data was collected from the University of Benin Teaching Hospital covering 2014 to 2023. The data obtained was analysed using simple correlation and binomial regression in SPSS Version 21. The results showed that monthly temperatures were generally highest in February and least in August, and the annual temperature trends revealed a gradual rise in temperature over the study period. Rainfall trends on the other hand had higher annual variations with passing years. The study revealed that there was a correlation between temperature and rainfall, and malaria incidence (R=0.598, p<0.05). Also, rainfall and temperature contributed to only 35.8% of malaria cases over the study period. This indicated that malaria incidence is also determined by some other factors. It is recommended that further studies are carried out to identify these factors and make plans to mitigate their impacts.
