The Best Time to Visit Thailand
Thailand really has three seasons - cool, hot and wet - and the 'best' one depends on whether you want perfect beach weather, the lowest prices, or a festival. Here's every month rated for weather, crowds and cost, so you pick the trip you actually want.
When is the best time to visit Thailand?
The best time to visit Thailand is the cool, dry season from November to February - warm, sunny days, low humidity and calm seas, ideal for both Bangkok and the beaches. It's peak season, so December and January are busy and pricey. March to May is hot and dry (great value, but 35°C+), while the green season from June to October brings cheaper prices and short daily downpours, with the heaviest monsoon rain in September and October.
Best time to go
November–February (cool & dry)
Cheapest time
May–October (green season)
When to avoid
September–October (heaviest monsoon)
Thailand climate at a glance
Avg daytime high (°C / °F) · rainfall · season- 32°90°FJan
- 33°91°FFeb
- 34°93°FMar
- 35°95°FApr
- 34°93°FMay
- 33°91°FJun
- 33°91°FJul
- 32°90°FAug
- 32°90°FSep
- 32°90°FOct
- 32°90°FNov
- 31°88°FDec
Every month in Thailand is rated for weather, crowds and price. Drag the slider to find your sweet spot - the greener the month, the better value the trip.
Cheapest window: May–October (green season)
May: $ · Low crowds · 34°C, hot, humid
Thailand month by month
Every month rated for weather, crowds and price, so you can match the trip to the month.
| Month | Weather | Crowds | Price | What it's like |
|---|---|---|---|---|
| Jan | 32°C, dry, sunny | Peak | $$$ | The heart of the cool, dry season - the best all-round weather of the year, with packed beaches and top prices. |
| Feb | 33°C, dry | Peak | $$ | Still cool by Thai standards, dry and reliably sunny; crowds ease slightly from the New Year peak. |
| Mar | 34°C, hot, dry | High | $$ | Heat builds and humidity rises, but skies stay dry and clear; good value as high season winds down. |
| Apr | 35°C, very hot | High (Songkran) | $$ | The hottest month - stifling inland - but Songkran (Thai New Year) mid-month is a nationwide highlight worth timing for. |
| May | 34°C, hot, humid | Low | $ | The monsoon arrives with afternoon downpours; hot and humid, but green, quiet and cheap between the rain. |
| Jun | 33°C, humid, showers | Low | $ | Green season in full swing - short, heavy showers then sun, with low-season prices across the country. |
| Jul | 33°C, humid, showers | Moderate | $$ | Rain comes in bursts rather than all day; European summer holidays lift prices a little, but it's still good value. |
| Aug | 32°C, humid, wet | Moderate | $$ | Wetter than July but rarely a washout; lush landscapes and quiet temples reward the flexible traveller. |
| Sep | 32°C, wet | Low | $ | The peak of the monsoon - the wettest month, with the risk of prolonged rain and some island ferries disrupted. |
| Oct | 32°C, wet, easing | Low | $ | Still very wet early on, drying out towards month's end; the cheapest window, but the least reliable weather. |
| Nov | 32°C, drying, pleasant | High | $$ | The rain clears and the cool, dry season begins - one of the best months to go, with fresh green scenery. |
| Dec | 31°C, cool, dry | Peak | $$$ | Cool, dry and sunny - peak beach season is in full swing, and prices spike hard over the Christmas-New Year holidays. |
When to book Thailand
On the table above, May, Jun, Sep and Oct sit in the bottom price band and Jan and Dec in the top one. Find the row that sounds like your trip.
| If you want | Months | Why |
|---|---|---|
| The best trip for the money | Mar | Rated good above without hitting the top price band, so you are not paying peak rates for the conditions. |
| The lowest price, whatever the weather | May, Jun, Sep and Oct | The bottom price band. Check the weather column first, because some of these are cheap for a reason. |
| Peak season anyway | Jan, Feb, Nov and Dec | Busiest and dearest. This is the window where booking early changes the price, not just what is left. |
| To know what to skip | Sep and Oct | Rated off-peak here. The low price is the compensation, not a bargain. |
- Free cancellation on most rooms
- No booking fee
- Prices on Trip.com
Time it right: Thailand's seasonal highlights
Cool dry season (beach weather)
November–FebruaryThe prime window for the islands and Bangkok alike: sunny days, calm seas and low humidity across most of the country.
Songkran (Thai New Year)
13–15 AprilThe world's biggest water fight takes over the whole country for three days - joyful chaos, but book transport and hotels early.
Loi Krathong & Yi Peng
November (full moon)Thousands of lanterns and floating candles light up the rivers and skies, most spectacularly in Chiang Mai.
Green-season deals
June–OctoberThe rainy months bring the year's lowest prices, lush landscapes and thin crowds - just build flexibility around the showers.
Best time to visit Thailand: FAQ
The timing questions travelers ask most before booking.
Staying in Thailand? Book the area before the hotel
Picking the month is half of the decision. The other half is the area, because that is what sets how far you walk and what a room costs in Thailand. These go into the detail:
- Free cancellation on most rooms
- No booking fee
- Prices on Trip.com
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Photo credits (2)
Photos via Wikimedia Commons, used under their respective licences.
- Songkran (Thai New Year): Phuket@photographer.net from Phuket, Thailand - CC BY 2.0 · source
- Loi Krathong & Yi Peng: Takeaway - CC BY-SA 3.0 · source