North Korea - North Korea has a continental climate with four distinct seasons. Long winters bring bitterly cold and clear weather interspersed with snow storms as a result of northern and northwestern winds that blow from Siberia. The daily average high and low temperatures for P'yongyang in January are -3° C and -13° C. Average snowfall is thirty-seven days during the winter. The weather is likely to be particularly harsh in the northern, mountainous regions. Summer tends to be short, hot, humid, and rainy because of the southern and southeastern monsoon winds that bring moist air from the Pacific Ocean. The daily average high and low temperatures for P'yongyang in August are 29° C and 20° C. On average, approximately 60 percent of all precipitation occurs from June to September. Typhoons affect the peninsula on an average of at least once every summer. Spring and autumn are transitional seasons marked by mild temperatures and variable winds and bring the most pleasant weather.