Impacts of regional climate on the COVID-19 fatality in 88 countries

The COVID-19 pandemic had led to 500000 confirmed death by June 30, 2020. We combined the number of monthly confirmed new cases and deaths with latitude, temperature, humidity, rainfall, and sunshine ultraviolet (UV) to explore the climate impacts on COVID-19 fatality in 88 countries. There was a significant decrease in overall case-fatality rate in May and June (from 8.17% to 4.99% and 3.22%). The fatality in temperate marine regions was the highest (11.13%). The fatality was 5.71% in high latitudes (≥30°) but only 3.73% in low latitudes (<30°). The fatality was 6.76% in cold regions (<20°C) but only 3.90% in hot regions (≥20°C). The fatality was 5.87% in rainy regions (≥40mm) but only 3.33% in rainless regions (<40mm). The fatality was 6.57% in cloudy regions (<50) but only 3.86% in sunny regions (≥50). Traveling to hot sunny regions without pollution is a strategy for risk reduction.