Northern Vietnam has 4 seasons: all through its Wintertime months December-February, it may well dip right down to five-six°C from time to time, even under zero in mountainous areas. The summer season months of June and July are sizzling, with daytime temperatures achieving 35°C. Drizzling rains plus more pleasant temperatures are available in autumn, August-November, as well as the spring, March-April.
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