Pyongyang has a hot-summer humid continental climate , featuring warm to hot, humid summers and cold, dry winters. Cold, dry winds can blow from Siberia in winter, making conditions very cold; the low temperature is usually below freezing between November and early March, although the average daytime high is at least a few degrees above freezing in every month except January. The winter is generally much drier than summer, with snow falling for 37 days on average.
The transition from the cold, dry winter to the warm, wet summer occurs rather quickly between April and early May, and there is a similarly abrupt return to winter conditions in late October and November. Summers are generally hot and humid, with the East Asian monsoon taking place from June until September; these are also the hottest months, with average temperatures of 21 to 25 °C (70 to 77 °F), and daytime highs often above 30 °C (86 °F). Although largely transitional seasons, spring and autumn experience more pleasant weather, with average high temperatures ranging from 20 to 26 °C (68 to 79 °F) in May and 22 to 27 °C (72 to 81 °F) in September, coupled with relatively clear, sunny skies.