January in Koh Phi Phi — reliably good (3rd best month)
Good · 8.3/10Days in January average 28°C (82°F) and humidity near 81% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 87 mm of rain this month — a flexible day or two helps — with about 24 days with 6+ hours of sunshine and 11.6 hours of daylight to work around it.
That is 8.3/10 on the same scale — 3rd of 12 months, versus 8.7/10 for the best month here.
Budget for peak pricing, and 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 the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
February in Koh Phi Phi tops the year's climate scores
Best window · 8.7/10Days in February average 28°C (83°F) and humidity near 79% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 71 mm of rain this month — a flexible day or two helps — with about 27 days with 6+ hours of sunshine and 11.7 hours of daylight to work around it.
On our climate-comfort scale this is the top-ranked month of the year for Koh Phi Phi at 8.7/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and 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 the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
March holds up well in Koh Phi Phi — 2nd best month
Good · 8.4/10March averages 29°C (84°F) and humidity near 77%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 87 mm, so plan one flexible day in three; you still get about 31 days with 6+ hours of sunshine and 11.9 hours of daylight.
It scores 8.4/10 here, 2nd of 12 months, against 8.7/10 in the destination's best month.
Plan for peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
April holds up well in Koh Phi Phi — 4th best month
Good · 7.9/10Days in April average 30°C (85°F) and humidity near 77% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
121 mm of rain makes this a wet month here, though with about 28 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.9/10 on the same scale — 4th of 12 months, versus 8.7/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
May in Koh Phi Phi — middling scores, decent value
Trade-offs · 6.6/10May averages 30°C (86°F) and humidity near 77%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
229 mm makes this the wettest stretch of the year, though about 20 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 6.6/10 here, 6th of 12 months, against 8.7/10 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 the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? February scores 2.1 points higher here — enough to change the trip.
June in Koh Phi Phi — reliably good (5th best month)
Good · 7/10Days in June average 29°C (85°F) and humidity near 78% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
184 mm of rain makes this a wet month here, though with about 21 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7/10 on the same scale — 5th of 12 months, versus 8.7/10 for the best month here.
Budget for low-season pricing, and 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 the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, February is materially better in Koh Phi Phi — 1.7 points higher on the same scale.
July in Koh Phi Phi — workable with trade-offs
Trade-offs · 6.4/10Days in July average 29°C (84°F) and humidity near 79% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Expect monsoon-level rainfall at 260 mm: only about 19 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 6.4/10 on the same scale — 9th of 12 months, versus 8.7/10 for the best month here.
Expect low-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, February is materially better in Koh Phi Phi — 2.3 points higher on the same scale.
August in Koh Phi Phi — middling scores, decent value
Trade-offs · 6.5/10August averages 29°C (84°F) and humidity near 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
288 mm makes this the wettest stretch of the year, though about 20 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 6.5/10 here, 8th of 12 months, against 8.7/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? February scores 2.2 points higher here — enough to change the trip.
September in Koh Phi Phi — workable with trade-offs
Trade-offs · 6.1/10September averages 29°C (83°F) and humidity near 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
357 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 6.1/10 here, 11th of 12 months, against 8.7/10 in the destination's best month.
Plan for low-season pricing, with 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.
Flexible dates? February scores 2.6 points higher here — enough to change the trip.
October in Koh Phi Phi — workable with trade-offs
Trade-offs · 6.3/10Days in October average 28°C (83°F) and humidity near 81% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Expect monsoon-level rainfall at 347 mm: only about 19 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 6.3/10 on the same scale — 10th of 12 months, versus 8.7/10 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.
If your dates are flexible, February is materially better in Koh Phi Phi — 2.4 points higher on the same scale.
November in Koh Phi Phi — middling scores, decent value
Trade-offs · 5.9/10Days in November average 28°C (83°F) and humidity near 82% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Expect monsoon-level rainfall at 310 mm: only about 16 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 5.9/10 on the same scale — 12th of 12 months, versus 8.7/10 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.
If your dates are flexible, February is materially better in Koh Phi Phi — 2.8 points higher on the same scale.
December in Koh Phi Phi — middling scores, decent value
Trade-offs · 6.6/10December averages 28°C (82°F) and humidity near 82%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
203 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 6.6/10 here, 7th of 12 months, against 8.7/10 in the destination's best month.
Figure on mid-season pricing, with 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.
Flexible dates? February scores 2.1 points higher here — enough to change the trip.
