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Region in Nakhon Ratchasima, Thailand

Khao Yai weather by month and the best time to visit

Updated October 2026Sources
Nov–FebBest time to visit

When to go to Khao Yai

Nov–Feb is cool, dry and best for hiking and wildlife; Mar–May is hot. Jun–Oct is rainy with leeches on trails. Weekends and holidays are very busy.

Khao Yai weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
15°20°25°30°35°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January29°C84°F17°C63°F12 mm69%Pleasant
February32°C89°F19°C67°F13 mm66%Pleasant
March33°C92°F22°C71°F48 mm66%Hot
April34°C92°F23°C73°F82 mm70%Hot
May31°C88°F23°C74°F168 mm79%Rainy
June30°C85°F23°C73°F178 mm84%Rainy
July29°C84°F22°C72°F201 mm85%Rainy
August28°C83°F22°C72°F229 mm87%Rainy
September28°C83°F22°C72°F306 mm89%Very wet
October28°C83°F22°C71°F167 mm87%Rainy
November28°C82°F19°C67°F25 mm82%Pleasant
December27°C81°F17°C63°F6 mm75%Pleasant

Best months across Thailand

PlaceBest monthsWarmest month
BangkokNov–FebMar (36°C)
PhuketNov–MarMar (30°C)
Chiang MaiNov–JanApr (37°C)
Koh SamuiJan–Apr, Jul–AugMay (30°C)
KrabiNov–MarMar (31°C)
Koh Phi PhiNov–MarApr (30°C)
Koh PhanganJan–Apr, Jul–AugMay (27°C)
PaiNov–FebApr (35°C)
PattayaNov–FebApr (31°C)
Koh TaoFeb–AugMay (29°C)
PatongNov–AprMar (30°C)
Hua HinNov–MarApr (33°C)
Chiang RaiNov–FebApr (35°C)
AyutthayaNov–FebMar (37°C)
Koh LantaNov–AprApr (29°C)
RailayNov–MarMar (31°C)
KanchanaburiNov–FebApr (37°C)
Koh ChangNov–FebApr (30°C)
Khao LakNov–MarMar (31°C)
Koh SametNov–MarApr (30°C)
Koh LipeNov–MarApr (30°C)
Khao YaiNov–FebApr (34°C)
Khao SokDec–AprApr (32°C)
SukhothaiNov–FebApr (38°C)
Hat YaiJan–AprApr (31°C)
Kata BeachNov–MarMar (30°C)
JomtienNov–FebApr (31°C)
RawaiNov–MarMar (30°C)
Udon ThaniNov–FebApr (37°C)
Koh KoodNov–MarMay (30°C)

Quick answers

What is the best month to visit Khao Yai?

Nov–Feb. Nov–Feb is cool, dry and best for hiking and wildlife; Mar–May is hot. Jun–Oct is rainy with leeches on trails. Weekends and holidays are very busy.

When is the rainy season in Khao Yai?

Rain peaks in September with about 306 mm. Months with 150 mm or more: May–Oct.

What is the hottest month in Khao Yai?

April, with average highs of 34°C (92°F).

How cold does Khao Yai get?

The coolest nights are in December, averaging 17°C (63°F).

More about Khao Yai

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Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.