Kiryas Joel's winters are harsh, with temperatures often below freezing, averaging around -2°C in January and February. As spring arrives in March, temperatures begin to rise, reaching averages of 5°C. By April, the average temperature has jumped to a relatively mild 10°C, while May sees an even warmer average of 14°C, marking the start of a warm summer season. The summer months, June to August, are hot and humid, with averages ranging from 21-22°C, before gradually cooling off in September. Winters return by November and December, with temperatures plummeting back down to near-freezing levels.