Southeast Asia · Month-by-month weather, seasons and what to do — from Noura's Destination Finder.
🟢 Peak season · 🟠 Shoulder · ⚪ Off-peak
Average temperatures, sunshine and the feel of each month. Getting the timing right is half of a great trip.
| Month | Avg °F | Sun | Rain | Season | What it's like |
|---|---|---|---|---|---|
| January | 71–89°F | 9h | Minimal (13mm) | Peak | Peak dry/cool season—perfect conditions across Bangkok and the southern islands. |
| February | 74–91°F | 9h | Minimal (18mm) | Peak | Warm, dry and buzzing—prime island and temple weather before the heat builds. |
| March | 77–93°F | 9h | Low (43mm) | Shoulder | Hot and sun-baked—great beaches, sweaty city sightseeing. |
| April | 79–95°F | 9h | Moderate (85mm) | Shoulder | Scorching peak-heat month lit up by nationwide Songkran water fights. |
| May | 78–93°F | 7h | High (200mm) | Shoulder | Monsoon opens with steamy afternoon storms—Gulf islands stay sunniest. |
| June | 78–91°F | 6h | High (160mm) | Off-Peak | Warm, wet and green with short heavy downpours—low prices citywide. |
| July | 78–91°F | 6h | High (170mm) | Off-Peak | Humid green season with lush jungles and easy island deals. |
| August | 77–91°F | 6h | High (190mm) | Off-Peak | Rainy but vividly green—waterfalls roar and crowds thin out. |
| September | 77–90°F | 5h | Very High (320mm) | Off-Peak | Wettest month—dramatic storms, flooded klongs and rock-bottom rates. |
| October | 76–89°F | 6h | Very High (230mm) | Off-Peak | Tail of the monsoon—still soggy, but the Andaman coast reopens mid-month. |
| November | 74–88°F | 8h | Moderate (55mm) | Peak | Skies clear and cool—festival season and postcard-perfect islands return. |
| December | 71–87°F | 9h | Minimal (10mm) | Peak | Cool, dry and festive—the year's best beach-and-city window. |
Data cross-referenced from climate and flight sources; conditions vary year to year.
Hand-picked ideas for every month of the year — from Noura's Destination Finder.
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