Nan Province is one of several regions in Thailand, with temperatures that range from 27°C (81°F) in December to 34°C (93°F) during the peak of April. We've based our full climate overview on data from Chiang Klang, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Nan Province, no particular months stand out for consistently comfortable weather, as average temperatures fluctuate year-round.
March, April and May are generally the hottest months of the year.
When it comes to rainfall, Nan Province sees significant variations throughout the year. August tends to be the wettest, receiving 456 mm (18 in) of rain, while February is much drier with just 12 mm (0.5 in). Travelers should note that the rainy season falls during May, June, July, August and September, bringing substantial precipitation ranging from 234 mm (9.2 in) to 456 mm (18 in) monthly. The period of January and February is the driest, with precipitation levels below 19 mm (0.7 in).
