Best Time to Visit Nan, Nan, Thailand
Nan is at its sunniest and driest in January–December.
The best time to visit Nan for sunny, dry weather is November–March — 5 months of the year fit our sunny profiles at this specific location. The drier stretch runs through October–April; the wetter half falls in May–September. At the city itself, monthly average temperatures range from 21.5°C / 70.7°F in December to 29°C / 84.2°F in April, with rainfall from 3 mm / 0.1 in (January) to 236 mm / 9.3 in (August). These are point-value climate normals sampled at Nan, Nan, Thailand's coordinates — usually more actionable for travellers than the country-wide average. Nan's climate is broadly consistently warm. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| January | 22°C71.6°F | 3 mm0.1″ | Sunny & Warm, Sunny & Mild |
| February | 23.8°C74.8°F | 8 mm0.3″ | Sunny & Warm |
| March | 26.8°C80.2°F | 32 mm1.3″ | Sunny & Hot |
| November | 23.9°C75°F | 23 mm0.9″ | Sunny & Warm |
| December | 21.5°C70.7°F | 7 mm0.3″ | Sunny & Warm, Sunny & Mild |
Frequently asked questions
When is the best time to visit Nan?
The best time to visit Nan for sunny, dry weather is January, February, March, November, December. At the city itself, the warmest month is April averaging 29°C / 84.2°F, and the driest is January with about 3 mm / 0.1 in of rain. These are point-value climate normals sampled at Nan's coordinates.
When is the rainy season in Nan?
The rainy season at Nan, Nan runs through May–September, when monthly rainfall exceeds the annual median of about 85 mm / 3.3 in. The wettest single month is August (236 mm / 9.3 in).
What is the driest month in Nan?
The driest month in Nan is January, averaging about 3 mm / 0.1 in of rainfall. Temperature that month averages 22°C / 71.6°F.
What months should I avoid visiting Nan?
The least comfortable months for travel to Nan — based on point-value climate at the city — are January, February, July, August, September, November, December. These are the wettest or coolest months at this location. Rainfall peaks at 236 mm / 9.3 in in August, and the coldest month averages 21.5°C / 70.7°F.
Is Nan climate different from Thailand overall?
Yes, usually. Our Nan figures are point-value climate normals sampled at the city itself, while our Thailand figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Nan specifically — usually the more actionable data for a traveller planning to spend time in the city.