Dikwella South experiences a warm tropical climate with temperatures fluctuating throughout the year. The dry season, which typically runs from January to April, brings warm days with temperatures often reaching as high as 34°C, while cooler nights range from 15°C in March to 21°C in February and April. As the pre-monsoon period sets in from May to June, temperatures gradually rise, peaking at 36°C during these months. The monsoon season, which affects Dikwella South from July to September, brings a slight decrease in temperature, with cooler nights dipping as low as 18°C in July. As the monsoon subsides and gives way to the dry season once again, temperatures stabilize around 28°C on average throughout October to December.