Phu Quoc Weather in May

🇻🇳 Vietnam

29°C

High

26°C

Low

Rain Days

10h

Sunshine

82%

Humidity

Asia › 🇻🇳 Vietnam › Phu Quoc

Updated: March 2026

Is May a Good Time to Visit Phu Quoc?

4/10

Fair

May is a fair time to visit Phu Quoc (4/10). With 10 daily sunshine hours and only 27 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 5th sunniest of the year in Phu Quoc. May suits travellers visiting for indoor culture, food, and architecture rather than outdoor activities. Pack accordingly for 27 potential rain days. June offers a similar profile at lower hotel rates if dates are flexible. Watch out for prolonged rain stretches: with 27 wet days, a fully outdoor itinerary is risky. Build in museum days and covered market visits as contingency. Planning tips: most accommodation categories have availability, and last-minute deals are common. The quieter streets and shorter queues can make this a genuinely enjoyable time to visit for the right type of traveller. Budget-conscious visitors will find the best value of the year in this period.

vs April:30°C avg high

May weather in Phu Quoc is defined by a daily temperature swing from 26°C at night to 29°C during the afternoon. Humidity averages 82%, and you can count on around 10 sunshine hours each day. That combination makes May warm and lush, though dressing in breathable fabrics keeps things manageable.

29°C

Avg High

26°C

Avg Low

27 days

Rain Days

10h

Sunshine

82%

Humidity

Temperature in Phu Quoc in May

The narrow 3°C gap between daytime and overnight temperatures, characteristic of coastal cities with maritime moderation, means a single mid-layer works across the whole day. At 82% humidity, the 29°C daytime high feels 2-4°C warmer in practice: quick-dry fabrics and shade-seeking between noon and 3pm are the sensible response. UV index averages 8 this month, classed as high to very high. SPF 30+ sunscreen, a brim hat, and sunglasses are not optional between 10am and 4pm. Wind averages 22 km/h, light enough to be refreshing on warm days but noticeable in open coastal areas or elevated viewpoints. In Fahrenheit: 84°F average high, 79°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).

Temperature in May

Monthly Precipitation (mm)

What to Wear in Phu Quoc in May

Morning26°CBefore the day warms up

Afternoon29°CPeak daytime temperature

Evening29°CAfter sunset cools down

Packing for Phu Quoc in May means dressing for 29°C days and 26°C evenings. A lightweight linen or cotton shirt with loose-fit trousers or a sundress handles the 29°C daytime heat. Evening temperatures settle at 26°C, a modest 3°C drop that a light cardigan or denim jacket covers. For footwear, breathable walking sandals work for casual exploration, but closed-toe trainers are better for uneven surfaces in the historic centre. With 27 rain days expected, a compact travel umbrella is worth the bag space. A waterproof jacket is better than an umbrella if you plan full-day outdoor routes. For temple and religious site visits, carry a lightweight scarf or sarong to cover shoulders and knees, required at most major sites across the region. At 82% average humidity, quick-dry synthetic or bamboo fabrics dry overnight and stay comfortable longer than cotton.

💡

Local tip: Loose-weave linen and moisture-wicking fabrics are the practical choice in Phu Quoc's heat and humidity. Many shopping centres run air conditioning at near-arctic levels, so a thin layer in your bag prevents discomfort indoors.

Events in Phu Quoc in May

May has no major festivals or public holidays in Phu Quoc, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.

What to Pack for Phu Quoc in May

Based on 29°C average highs and 27 rainy days

Light layers for morning and evening
Breathable T-shirts and comfortable trousers
UV-protective sunglasses
Quick-dry travel towel
Anti-chafe balm for long walking days
Moisture-wicking synthetic fabrics for active days
Compact folding umbrella
Waterproof outer layer or packable rain jacket
Quick-dry clothing that recovers fast after a shower
SPF 30+ sunscreen
Comfortable walking shoes (a second pair lets the first air out overnight)
Universal travel adapter
Small day pack for city exploration
Reusable water bottle

Best Activities in Phu Quoc in May

Early morning walk through Phu Quoc's historic market districtBest before 9amTemperatures are still manageable at 25°C before the midday heat builds
Open-air rooftop dining at sunsetFrom 6pm onwardsThe 29°C daytime heat drops noticeably after sunset, making al fresco dining comfortable
Waterfront promenade or harbour walkEarly morning or after 5pmSea breezes cut through the humidity, making coastal routes the most pleasant in heat
Guided cycling tour of the old quarterFirst tour of the day (7-9am)The low-traffic window before tourist crowds and the cooler morning air make this the prime riding slot
Spend a morning in the national or city art museumOpens at 10am; arrive earlyWith 27 rain days expected, having a full-day indoor plan is practical insurance
Cooking class focused on regional cuisineHalf-day sessions run 10am-1pm or 3-6pmIndoor activity that fills a rainy half-day with genuine cultural content
Visit covered historical sites: cathedral, palace, or bazaarAny time; most crowded middayRoofed monuments and covered markets provide exploration without weather exposure
Visit the main botanical garden or city park at seasonal peakYear-round; best light in morningMay brings distinct seasonal changes to public green spaces worth exploring
Seek out chilled local specialities: cold-brew tea, ice desserts, or chilled seafood at street-level stallsAny time; most atmospheric in evening marketsHot-weather street food culture peaks in May, with vendors setting up specifically for warm evenings

Why is Phu Quoc warm in May?

In May, Phu Quoc sits in the dry season corridor, as the ITCZ shifts away from the region and trade winds bring drier, more stable air. This produces reliably sunny days reaching 29°C, with lower humidity than the wet months. Overnight lows of 26°C offer a pleasant reprieve from the midday heat. Climate data: Open-Meteo ERA5 (1991–2020).

Sunshine Hours

The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.

UV Index

A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate -- wear sunscreen. UV 6-7: High -- hat and SPF 30+ essential. UV 8-10: Very High -- limit midday exposure. UV 11+: Extreme -- seek shade between 10am-4pm.

Rain Days

A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.

Humidity

Relative humidity as a percentage. Below 40%: Dry -- skin and throat may feel parched. 40-60%: Comfortable -- ideal for most people. 60-80%: Sticky -- light, breathable fabrics recommended. Above 80%: Muggy -- heat feels more intense; quick-dry clothing is essential.

Frequently Asked Questions: Phu Quoc in May

In May, Phu Quoc experiences average highs of 29°C (84°F) and lows of 26°C (79°F). Expect around 27 rainy days and 10 hours of sunshine per day, with humidity averaging 82%. The 3°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV index averages 8, so sun protection is advisable on clear days.

Phu Quoc typically sees 27 rainy days in May, with total precipitation of around 310mm. This is a notably wet period. A waterproof jacket or compact umbrella is essential, and it is worth building indoor alternatives into your daily itinerary for the inevitable rainy stretches. For context, the driest month in Phu Quoc typically sees 4-6 fewer rain days than May.

Pack lightweight, breathable clothing (linen or cotton), a wide-brim sun hat, SPF 50+ sunscreen, and a refillable water bottle for Phu Quoc in May. The 29°C daytime heat demands sun protection during midday hours, typically 11am to 4pm. A compact travel umbrella is also worth packing, as 27 rainy days means afternoon showers are a real possibility. Quick-dry synthetic fabrics are preferable to cotton in 82% humidity.

May is a reasonable time to visit Phu Quoc. Expect 27 rainy days, so pack a light rain layer for flexibility. Average temperatures of 29°C make outdoor exploration comfortable during the dry periods. With 10 daily sunshine hours, there are reliable windows of good weather to plan outdoor activities around, even if the month is not the driest on the calendar.

The average high temperature in Phu Quoc in May is 29°C (84°F), and the average low is 26°C (79°F). The mean daily temperature is approximately 28°C (82°F). The day-to-night range of 3°C is narrow, typical of coastal or maritime cities. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.

The best month to visit Phu Quoc is generally January. January offers the most sunshine at 11 hours per day and only 9 rainy days. Average temperatures reach 28°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around January gives you the best chance of dry, bright weather.

May is shoulder or low season in Phu Quoc, meaning fewer tourists and generally lower prices than peak months. With 10 sunshine hours and 27 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.

In May, Phu Quoc suits a range of activities thanks to warm temperatures of 29°C. With frequent rain, indoor activities and covered attractions are a smart choice. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 10 hours of sunshine, parks and waterfront walks are particularly enjoyable.

May ranks 5th sunniest of the year in Phu Quoc, with an average 10 daily sunshine hours. The driest months are February, January, and December. April is the hottest month (30°C avg high); January is the coolest (28°C). From here, temperatures fall 1°C into June. Compared to last month (April: 30°C high, 20 rain days), May is cooler and wetter. May sits in the middle of the annual sunshine ranking for Phu Quoc, offering a reasonable balance of good weather and manageable crowds.

Year-Round Climate

Month	High	Low	Rain Days	Sun	Details
January	28°C	24°C	9	11h	View
February	28°C	25°C	8	11h	View
March	29°C	26°C	14	11h	View
April	30°C	26°C	20	11h	View
May	29°C	26°C	27	10h	View
June	28°C	26°C	27	9h	View
July	28°C	26°C	28	9h	View
August	28°C	25°C	28	9h	View
September	28°C	25°C	27	8h	View
October	28°C	25°C	27	9h	View
November	28°C	25°C	16	10h	View
December	28°C	25°C	9	10h	View

Other Months in Phu Quoc

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Plan Your Trip to Phu Quoc

Best Time to Visit Phu Quoc Phu Quoc vs Ho Chi Minh City in May Phu Quoc vs Phnom Penh in May

Nearby Destinations with Similar Weather

These cities are within 500 km and experience broadly comparable weather conditions during the same calendar month, making them practical standalone alternatives or worthwhile additions to a longer regional itinerary.

Ho Chi Minh City🇻🇳 Vietnam295 km away

33°C26°C low

Phnom Penh🇰🇭 Cambodia171 km away

34°C26°C low

Siem Reap🇰🇭 Cambodia343 km away

33°C26°C low

Koh Samui🇹🇭 Thailand443 km away

27°C24°C low

Data Sources for Phu Quoc

Phu Quoc on Wikipedia Open-Meteo Climate API NOAA National Centers UK Met Office WMO GeoNames

Climate normals represent 30-year averages (1991-2020). Individual years may vary.