Climate guide for Phu Quoc, Vietnam

Best Time to Visit
Phu Quoc

How to read the score (0–10)
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01 · Vietnam

About Phu Quoc

Phu Quoc is Vietnam's largest island, ringed by beaches at Sao, Ong Lang and Bai Dai, with forested national park covering the north. Cable cars cross to Hon Thom, night markets serve seafood and pepper farms dot the interior, and diving and snorkelling work best in the dry season. November to March is the dry, calm window; the rainy season runs from May to October with rough seas at times.

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Did you know?

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Travel Tips

01Best time & timing
February leads the year at 9.8/10, with January and March close behind — September (5.1/10) is the one to avoid without a specific reason.
02Weather & what to pack
In February plan for about 28°C; the month brings 22 mm of rain. Pack the lightest clothing you own, a hat and more water than feels necessary.
03Crowds & value
Crowds build in January and rates follow; April usually pairs good conditions (8.5/10) with the lowest prices of the strong months.

Things to do in Phu Quoc

Phu Quoc, Vietnam. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Phu Quoc: the short answer

Plan Phu Quoc for February, with January, March close behind — the stretch with the most usable temperatures and the fewest lost days to rain: February averages 28°C with 22 mm of rain and about 23 days with 6+ hours of sunshine. The months to avoid unless you have a specific reason are September, July. If budget matters more than perfect weather, May is the strongest of the low-rate months at 6.8/10.

Across the year Phu Quoc swings from 27°C in January to 30°C in May, a 3-degree spread, while rainfall ranges from 22 mm in February to 382 mm in July. In short, Phu Quoc is not equally good year-round — the gap between its best and worst month is 4.7 points on the same 10-point scale.

Warmest month: May (30°C). Coolest: January (27°C). Driest: February (22 mm). Wettest: July (382 mm).

Phu Quoc month by month

January is one of the strongest months in Phu Quoc (2nd)

Best window · 9.6/10

Days in January average 27°C (81°F) and humidity near 75% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

With around 22 mm of rain, any showers tend to pass through rather than settle in; about 21 days with 6+ hours of sunshine and 11.5 hours of daylight fill the rest.

On our climate-comfort scale this is one of the strongest months of the year for Phu Quoc at 9.6/10 (2nd of 12), just behind February at 9.8/10.

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.

February in Phu Quoc — the year's strongest window

Best window · 9.8/10

Days in February average 28°C (82°F) and humidity near 76% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

With around 22 mm of rain, any showers tend to pass through rather than settle in; about 23 days with 6+ hours of sunshine and 11.7 hours of daylight fill the rest.

On our climate-comfort scale this is the top-ranked month of the year for Phu Quoc at 9.8/10 — the reference point every other month on this page is measured against.

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.

March in Phu Quoc — one of the year's strongest windows (3rd)

Best window · 9.6/10

March averages 28°C (83°F) and humidity near 76%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Expect 38 mm of rain — occasional showers rather than washed-out days — alongside about 28 days with 6+ hours of sunshine and 11.9 daylight hours.

A 9.6/10 puts this among the year's best months in Phu Quoc (3rd of 12); only February scores higher, at 9.8/10.

Figure on 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 the lightest breathable clothing you own, a hat, and more water than feels necessary.

April is one of the strongest months in Phu Quoc (4th)

Best window · 8.5/10

Days 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.

Budget for roughly 79 mm of rain this month — a flexible day or two helps — with about 26 days with 6+ hours of sunshine and 12.2 hours of daylight to work around it.

On our climate-comfort scale this is one of the strongest months of the year for Phu Quoc at 8.5/10 (4th of 12), just behind February at 9.8/10.

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.

May in Phu Quoc: mixed conditions, plan around the weather

Trade-offs · 6.8/10

May averages 30°C (86°F) and humidity near 78%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Monthly rainfall reaches 154 mm — wet for this destination — but about 20 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

It scores 6.8/10 here, 6th of 12 months, against 9.8/10 in the destination's best month.

Plan for 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 3 points higher here — enough to change the trip.

June in Phu Quoc: mixed conditions, plan around the weather

Trade-offs · 6.2/10

Days in June average 29°C (85°F) and humidity near 80% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

190 mm of rain signals a properly wet month, with only about 17 days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 6.2/10 on the same scale — 8th of 12 months, versus 9.8/10 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 Phu Quoc — 3.6 points higher on the same scale.

July in Phu Quoc — workable with trade-offs

Trade-offs · 5.1/10

Days in July average 29°C (84°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 382 mm: only about 12 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.

That is 5.1/10 on the same scale — 11th of 12 months, versus 9.8/10 for the best month here.

Budget for 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 Phu Quoc — 4.7 points higher on the same scale.

August in Phu Quoc: mixed conditions, plan around the weather

Trade-offs · 6.2/10

August averages 29°C (84°F) and humidity near 82%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

At 198 mm this is a genuinely wet month: about 18 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 6.2/10 here, 9th of 12 months, against 9.8/10 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 proper rain shell rather than an umbrella.

Flexible dates? February scores 3.6 points higher here — enough to change the trip.

September in Phu Quoc — middling scores, decent value

Trade-offs · 5.1/10

September averages 29°C (83°F) and humidity near 82%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

334 mm of rain puts this in monsoon territory — about 12 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.

It scores 5.1/10 here, 12th of 12 months, against 9.8/10 in the destination's best month.

Figure on 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 4.7 points higher here — enough to change the trip.

October in Phu Quoc — middling scores, decent value

Trade-offs · 6.1/10

Days in October 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.

This is the year's wettest stretch at 260 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 6.1/10 on the same scale — 10th of 12 months, versus 9.8/10 for the best month here.

Budget for 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 Phu Quoc — 3.7 points higher on the same scale.

November in Phu Quoc — middling scores, decent value

Trade-offs · 6.5/10

Days in November 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.

186 mm of rain makes this a wet month here, though with about 20 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 6.5/10 on the same scale — 7th of 12 months, versus 9.8/10 for the best month here.

Budget for 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 Phu Quoc — 3.3 points higher on the same scale.

December holds up well in Phu Quoc — 5th best month

Good · 8/10

December averages 28°C (82°F) and humidity near 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rainfall runs 84 mm, so plan one flexible day in three; you still get about 20 days with 6+ hours of sunshine and 11.4 hours of daylight.

It scores 8/10 here, 5th of 12 months, against 9.8/10 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 packable rain layer.

Flexible dates? February scores 1.8 points higher here — enough to change the trip.

FAQ

Frequently asked

When is the best time to visit Phu Quoc, Vietnam?
In Ideal Weather mode, the best months to visit Phu Quoc are February, January, March. February is the single peak month with an Ideal Weather score of 9.8/10 based on temperature, rainfall, humidity, daylight and days with 6+ hours of sunshine.
What is the weather like in Phu Quoc year-round?
Phu Quoc has a climate profile suited to beach and coastal travel. Average monthly temperatures range from 27°C in January to 30°C in May, with Ideal Weather scores between 5.1 and 9.8 out of 10.
Which months should I avoid in Phu Quoc?
The lowest Ideal Weather-scoring months in Phu Quoc are July (5.1/10), September (5.1/10), October (6.1/10). These months typically combine less comfortable temperatures, higher rainfall or fewer days with 6+ hours of sunshine.
When is the rainy season in Phu Quoc?
July is the wettest month in Phu Quoc, averaging about 382 mm of rainfall. February is the driest, at roughly 22 mm.
Which is the sunniest month in Phu Quoc?
March sees the most sun in Phu Quoc, with about 28 days with 6+ hours of sunshine on average - ideal for outdoor plans.
Is Phu Quoc a good destination for beach and coastal travel?
Phu Quoc is well suited to beach and coastal travel. Its highest Ideal Weather window (February, January, March) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Phu Quoc calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Phu Quoc: temperature comfort, precipitation, humidity, daylight hours, and days with 6+ hours of sunshine - weighted for beach and coastal travel.

Climate data: Open-Meteo ERA5 historical archive, the five most recent complete years (2021–2025). Scores are monthly averages for that window, not forecasts, and short-window precipitation can differ from longer-term normals. “Sunny days” count days with at least 6 hours of measured sunshine — they are not dry days.

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