Asia is too large and climatically varied for one blanket answer to “when should I go” — the right time depends heavily on which part of the continent you’re visiting.
Southeast Asia: November – March
This window avoids monsoon season across most of Thailand, Vietnam, Cambodia and Indonesia, with dry, sunny conditions. April and May run hot and humid before the rains return around June.
Japan and South Korea: spring and autumn
Late March to May brings cherry blossom season and comfortable temperatures; September to November offers autumn foliage with similarly mild weather. Summer is hot and humid, and winter is cold but good for skiing in northern regions.
China: spring and autumn
April–May and September–October avoid both summer heat and winter cold across most of the country, though China’s size means climate varies significantly between the north and south.
Combining regions in one trip
If your itinerary spans, say, Japan and Southeast Asia, look for the overlap — spring and autumn tend to work reasonably well for both, whereas peak summer is uncomfortable in the tropics and peak winter is cold in East Asia.
Planning your trip
Once you’ve picked your season, compare flights into your first destination, check our Asia travel guide for attraction and hotel ideas, and see our guide to planning a multi-country Southeast Asia trip if you’re combining stops.
FAQ
Is there ever a bad time to visit all of Asia at once? Not exactly, but each sub-region has its own weather pattern, so check the specific countries on your itinerary rather than treating “Asia” as one climate.
When should I avoid Southeast Asia? Monsoon season (roughly June–October in much of the region) brings heavy rain and higher humidity, though it varies by country and isn’t a reason to rule out travel entirely.
Related
- Multi-Country Southeast Asia Trip — routing, visas and connectivity
- Asia Travel Guide — attractions, hotels and visa basics
- Compare eSIMs — stay connected as you travel
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