When planning a visit to Lamphun Province in Thailand, it helps to know that temperatures typically range from 30°C (86°F) in December up to 38°C (100°F) during the peak of April. Our detailed climate overview is based on data from Saraphi, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Lamphun Province, especially in Saraphi, temperatures remain consistently high year-round, with average maximums never dropping below 30°C (86°F).
March, April and May are generally the hottest months of the year.
When it comes to rainfall, Lamphun Province sees significant variations throughout the year. August tends to be the wettest, receiving 262 mm (10 in) of rain, while February is much drier with just 5 mm (0.2 in). Travelers should note that the rainy season falls during July, August and September, bringing substantial precipitation ranging from 203 mm (8 in) to 262 mm (10 in) monthly. The driest conditions can be found during January, February, March and December, with rainfall staying below 17 mm (0.7 in).
Visitors hoping to maximize their time in the sun should consider planning their trip for March, when daylight hours are at their peak.