Monthly weather averages & travel planning

Asia › 🇻🇳 Vietnam › Phu Quoc
Updated: March 2026
March is a fair time to visit Phu Quoc (4/10). With 11 daily sunshine hours and only 14 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 3rd sunniest of the year in Phu Quoc. March suits travellers visiting for indoor culture, food, and architecture rather than outdoor activities. Pack accordingly for 14 potential rain days. April offers a similar profile at lower hotel rates if dates are flexible. The main practical note: Phu Quoc's popular sites are busiest between 10am and 3pm regardless of season. Arriving at opening time or after 4pm makes a significant difference to the experience. 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.
March 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 11 sunshine hours each day. That combination makes March warm and lush, though dressing in breathable fabrics keeps things manageable.
29°C
84°F
Avg High
26°C
79°F
Avg Low
14 days
67 mm total
Rain Days
11h
per day avg
Sunshine
82%
Humid
Humidity
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 6 this month, classed as moderate. Sunscreen is a sensible precaution for extended outdoor time, particularly at midday. Wind averages 20 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).
Packing for Phu Quoc in March 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 14 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.
March 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.
Based on 29°C average highs and 14 rainy days
In March, 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.
Phu Quoc in March
March ranks 3rd sunniest of the year in Phu Quoc, with an average 11 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 rise 1°C into April. Compared to last month (February: 28°C high, 8 rain days), March is warmer and wetter. March is among the top three sunniest months to visit Phu Quoc.
| 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 |
January
9 rain days, 11h sun
February
8 rain days, 11h sun
March
14 rain days, 11h sun
April
20 rain days, 11h sun
May
27 rain days, 10h sun
June
27 rain days, 9h sun
July
28 rain days, 9h sun
August
28 rain days, 9h sun
September
27 rain days, 8h sun
October
27 rain days, 9h sun
November
16 rain days, 10h sun
December
9 rain days, 10h sun
Cities within 500 km with comparable weather conditions
Data Sources for Phu Quoc
Climate normals represent 30-year averages (1991-2020). Individual years may vary.