Isiolo experiences a warm and dry climate year-round. The dry season, which typically runs from January to May, brings clear skies and mild temperatures ranging from 12-22°C. During this period, the average temperature is around 16-18°C, with minimal rainfall. As it transitions into the wet season in June, temperatures gradually rise to a peak of 23-25°C in August. The wettest months are usually March to May, but even then, Isiolo receives relatively little rainfall, averaging only 50-70mm per month during this period.