January: the best month of the year in Khao Sok National Park
Best window · 7.5/10January averages 25°C (76°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
Rainfall runs 49 mm, so plan one flexible day in three; you still get about 22 days with 6+ hours of sunshine and 11.5 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Khao Sok National Park at 7.5/10 — the reference point every other month on this page is measured against.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, a hat and real sun protection, a packable rain layer, footwear you can get muddy.
February in Khao Sok National Park: mixed conditions, plan around the weather
Trade-offs · 6.2/10February averages 25°C (77°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
Monthly rainfall reaches 106 mm — wet for this destination — but about 24 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 6.2/10 here, 2nd of 12 months, against 7.5/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
March in Khao Sok National Park — workable with trade-offs
Trade-offs · 6.2/10Days in March average 26°C (79°F) and humidity near 83% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 85 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 11.9 hours of daylight to work around it.
That is 6.2/10 on the same scale — 3rd of 12 months, versus 7.5/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer, footwear you can get muddy.
April in Khao Sok National Park — middling scores, decent value
Trade-offs · 5.5/10April averages 28°C (83°F) and humidity near 76%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 94 mm, so plan one flexible day in three; you still get about 28 days with 6+ hours of sunshine and 12.2 hours of daylight.
It scores 5.5/10 here, 4th of 12 months, against 7.5/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer, footwear you can get muddy.
Flexible dates? January scores 2 points higher here — enough to change the trip.
May in Khao Sok National Park — the hardest end of the year
Hardest · 4/10Days in May average 27°C (81°F) and humidity near 86% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 320 mm, but with about 20 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 4/10 on the same scale — 10th of 12 months, versus 7.5/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, January is materially better in Khao Sok National Park — 3.5 points higher on the same scale.
June in Khao Sok National Park — the hardest end of the year
Hardest · 4.5/10June averages 26°C (78°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
224 mm of rain puts this in monsoon territory — about 19 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 4.5/10 here, 6th of 12 months, against 7.5/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination. That combination — decent conditions at the lowest rates of the year — is the best value window on this page.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? January scores 3 points higher here — enough to change the trip.
July in Khao Sok National Park: expect compromises
Hardest · 4/10July averages 26°C (78°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
361 mm of rain puts this in monsoon territory — about 15 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 4/10 here, 11th of 12 months, against 7.5/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? January scores 3.5 points higher here — enough to change the trip.
August in Khao Sok National Park — the hardest end of the year
Hardest · 4.5/10Trail conditions at 26°C (78°F) favour early starts and shaded routes in August; midday is for water breaks, not for exposed climbs.
This is the year's wettest stretch at 265 mm, but with about 20 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 4.5/10 on the same scale — 7th of 12 months, versus 7.5/10 for the best month here.
Expect low-season pricing, and crowds are moderate.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, January is materially better in Khao Sok National Park — 3 points higher on the same scale.
September in Khao Sok National Park: expect compromises
Hardest · 4.1/10Trail conditions at 25°C (77°F) favour early starts and shaded routes in September; midday is for water breaks, not for exposed climbs.
Expect monsoon-level rainfall at 407 mm: only about 15 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 4.1/10 on the same scale — 9th of 12 months, versus 7.5/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, January is materially better in Khao Sok National Park — 3.4 points higher on the same scale.
October in Khao Sok National Park — off-season conditions
Hardest · 4.2/10October averages 25°C (78°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
378 mm of rain puts this in monsoon territory — about 17 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 4.2/10 here, 8th of 12 months, against 7.5/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? January scores 3.3 points higher here — enough to change the trip.
November in Khao Sok National Park — off-season conditions
Hardest · 3.9/10November averages 25°C (77°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
312 mm of rain puts this in monsoon territory — about 14 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 3.9/10 here, 12th of 12 months, against 7.5/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? January scores 3.6 points higher here — enough to change the trip.
December in Khao Sok National Park — off-season conditions
Hardest · 4.6/10Trail conditions at 25°C (76°F) favour early starts and shaded routes in December; midday is for water breaks, not for exposed climbs.
Expect monsoon-level rainfall at 202 mm: only about 15 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 4.6/10 on the same scale — 5th of 12 months, versus 7.5/10 for the best month here.
Budget for mid-season pricing, and crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, January is materially better in Khao Sok National Park — 2.9 points higher on the same scale.