Climate and monthly weather forecastPhú Quốc, Vietnam
Phú Quốc, Vietnam - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. The longest days occur in June with 12.7 hours of daylight, while the shortest are in December with 11.5 hours. Similar to the daylight pattern, the hours of sunshine attained peak in the months of February and March at 8 hours.

Climate and monthly weather forecast
The climate of Phú Quốc
Lying in the tropics, Phú Quốc, Vietnam is categorised under the Am classification of the Köppen climate system, indicating that it has a tropical monsoon climate. This tropical climate of Phú Quốc is dictated primarily by two season patterns, wet and dry, influenced by monsoonal winds. Throughout the year, the temperature ranges from a minimum of 22°C (71.6°F) to a maximum of 34°C (93.2°F) . In comparison with other regions, this island experiences relatively stable temperatures all year round, with only slight fluctuations.Analysing the provided climate data, it's clear that rainfall levels escalate from February and reach the peak in August at 398mm (15.67"), maintaining high levels until October. Consequently, the number of rainfall days follows a similar pattern, escalating from 3 days in February to 21 days in September. As the rainfall decreases from November onward, a concurrent drop can be noted in the number of rainfall days.
As for the amount of daylight, Phú Quốc receives close to 12 hours of daylight throughout the year. The longest days occur in June with 12.7 hours of daylight, while the shortest are in December with 11.5 hours. Similar to the daylight pattern, the hours of sunshine attained peak in the months of February and March at 8 hours. Following March, there's a slight reduction in sunshine hours, stabilizing around 5 hours from June to September.
In terms of the UV index, the numbers remain high, reaching the maximum value of 12 from March to September. Even in the least intense period, the UV index does not drop below 10 which allows us to infer that Phú Quốc experiences strong UV radiation throughout the year. Regarding sea temperatures, they remain relatively constant throughout the year, fluctuating between 27°C (80.6°F) and 30°C (86°F).
The best time to visit Phú Quốc
The most opportune time to visit Phú Quốc would be from November to January. During this time, the temperatures are mildly warm, ranging from 22°C (71.6°F) to 31°C (87.8°F), and the rainfall is at its annual low, with 104mm (4.09") in December and up to 212mm (8.35") in November on average. Visitors can enjoy 11.7 hours of daylight in November to 11.5 in December, receiving a fair 6 to 7 hours of sunshine daily. Furthermore, sea temperatures remain pleasing at around 28°C (82.4°F), perfect for indulging in water activities.The worst time to visit Phú Quốc
The least ideal time to head to Phú Quốc would be between June and September. This interval marks the continuous heavy rainfall months with the highest amount reaching 398mm (15.67") in August. It is also the period that records the highest number of rainfall days, June experiencing 18, and September 21 days. While temperature variations are slight with the high around 32°C (89.6°F) to 31°C (87.8°F), the high humidity caused by the rain might make the place less comfortable.Spring weather in Phú Quốc
The spring in Phú Quốc, approximately from March to May, is a transitional period marked by the increase in rainfall and temperature. Temperatures incline slightly, reaching highs of 32°C (89.6°F) in March and 34°C (93.2°F) in April, with lows fluctuating between 23°C (73.4°F) and 24°C (75.2°F). Rainfall accumulation increases from 80mm (3.15") in March to 193mm (7.6") in May, signaling the onset of the wet season. Despite the increment in rain, the island enjoys heightened daylight, reaching 12.4 hours in April while maintaining an average of 8 hours of sunshine.Summer weather in Phú Quốc
Characterised by high rainfall, temperatures and humidity, summer in Phú Quốc spans from June to August. Towards the end of August, rainfall peaks at 398mm (15.67"), and the number of rainy days also reaches its maximum at 20. Despite this, temperatures remain constant, ranging from 24°C (75.2°F) to 32°C (89.6°F). The hours of daylight attain their peak with 12.7 hours in June before witnessing a small decrease to 12.5 hours by the end of August. Sunshine remains around 5 hours during this period.Autumn weather in Phú Quốc
In Phú Quốc, autumn is from September to November. The rainfall gradually decreases from 296mm (11.65") in September to 212mm (8.35") in November. Similarly, the number of rainy days decreases from 21 in September to 13 in November. Temperatures during this period range from 24°C (75.2°F) to 31°C (87.8°F). The island enjoys 11.7 hours of daylight in November and 5 to 6 hours of sunshine each day.Winter weather in Phú Quốc
Winter months, December to February, are relatively dry with low rainfall. In December, rainfall is at its lowest at 104mm (4.09") and increases slightly to 40mm (1.57") in February. The number of rainy days also drops to 8 in December and remains low to 4 in February. Temperature ranges from 22°C (71.6°F) to 31°C (87.8°F) during these months. The Winter season also sees a reduction in daylight hours from 11.5 hours in December to 11.6 hours in February. Correspondingly, sunshine hours also diminish to 7 hours a day during these months.Weather in January
January in Phú Quốc starts on a warm note with prevalent high temperatures typical of this tropical island. The temperature dips slightly at night, although it remains comfortably warm. The rainfall, relatively low, means that raincoats can be left at home more often than not. Weather in January »Weather in February
February ushers in a shift of weather patterns with a decrease in rainfall and a slight increase in sunshine hours. The sea temperature remains constant, making it suitable for beach activities. As with January, similar high temperatures persist throughout the day. Weather in February »Weather in March
Phú Quốc in March shows a considerable increment in rainfall making an umbrella a necessary accessory. High temperatures still reign during daytime while evenings remain balmy. Comparing with the previous month, the increase in rainfall and temperature becomes evident. Weather in March »Weather in April
April's weather in Phú Quốc is a showcase of tropical characteristics with high temperatures and significant rainfall. Constant high sea temperatures encourage aquatic activities. In contrast to the preceding month, April has a more marked increase in both daytime temperatures and rainfall. Weather in April »Weather in May
A month synonymous with ample rainfall and warm weather, May in Phú Quốc tends to counterbalance things with more sunshine hours. Taking account of the land and sea temperatures, the small discrepancy allows for activities without significant constraint. Weather in May »Weather in June
Phú Quốc presents a weather pattern in June that incorporates extensive rainfall and high temperatures. While the monthly rainfall is quite significant, it does vary between light showers and thunderstorms. On comparing with the previous weather, the month of June follows the late-May’s weather trend. Weather in June »Weather in July
Amidst July's highly rainy weather in Phú Quốc, a relative drop in temperature can be observed. Despite extended rainfall, the temperature remains high, making it ideal for various activities. Weather in July follows a similar pattern as seen in June, with an increase in precipitation and shortened sunshine hours. Weather in July »Weather in August
In August, Phú Quốc weather is characterized by ample rain, moderate sunlight, and a streak of warm temperatures. It’s noticeable that the sea temperature resonates with the air temperature, allowing for equal marine and inland activities. Weather in August »Weather in September
September in Phú Quốc observes a slight decrease in rainfall, despite remaining substantially high. Comparing September with August, a similar weather pattern can be detected with a noticeable reduction in rainfall. Moving into October, the rainfall continues to decrease albeit slowly. Weather in September »Weather in October
While October's weather in Phú Quốc signifies quite a bit of rainfall, it's lower than what was recorded in September. By this time, the sunshine hours begin to increase, giving the temperatures a slight boost. Drawing comparisons to the following month, it’s noticeable that November records less rainfall. Weather in October »Weather in November
November in Phú Quốc features tropical weather conditions with reduced rainfall and warm temperatures. The rainfall is at its lowest since May, and with that, the sunshine hours begin to increase, marking a pleasant change. Weather in November »Weather in December
Phú Quốc, in December, welcomes noticeable changes in the weather with decreased rainfall and consistent high temperatures. Compared to November, December records a further reduction in rainfall and marginal drop in temperature. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Phú Quốc, Vietnam
The warmest month (with the highest average high temperature) is April (34°C).
The months with the lowest average high temperature are November and December (30°C).
The months with the highest average low temperature are April, May, June, July, August, September and October (24°C).
The coldest months (with the lowest average low temperature) are January, February and December (22°C).
Average rainfall
Phú Quốc, Vietnam
- Average rainfall in January:
40mm - Average rainfall in February:
36mm - Average rainfall in March:
80mm - Average rainfall in April:
130mm - Average rainfall in May:
193mm - Average rainfall in June:
266mm
- Average rainfall in July:
290mm - Average rainfall in August:
398mm - Average rainfall in September:
296mm - Average rainfall in October:
276mm - Average rainfall in November:
212mm - Average rainfall in December:
104mm
The wettest month (with the highest rainfall) is August (398mm).
The driest month (with the least rainfall) is February (36mm).
Average rainfall days
Phú Quốc, Vietnam
- Average rainfall days in January:
4 days - Average rainfall days in February:
3 days - Average rainfall days in March:
5 days - Average rainfall days in April:
9 days - Average rainfall days in May:
17 days - Average rainfall days in June:
18 days
- Average rainfall days in July:
19 days - Average rainfall days in August:
20 days - Average rainfall days in September:
21 days - Average rainfall days in October:
19 days - Average rainfall days in November:
13 days - Average rainfall days in December:
8 days
The month with the highest number of rainy days is September (21 days).
The month with the least rainy days is February (3 days).
Average sea temperature
Phú Quốc, Vietnam
The best months for swimming (with the highest average sea temperature) are April, May and June (30°C).
The coldest month (with the lowest average sea temperature) is January (27°C).
Average daylight / Average sunshine
Phú Quốc, Vietnam
- Average daylight in January:
11h and 36min - Average daylight in February:
11h and 48min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 36min - Average daylight in June:
12h and 42min
- Average daylight in July:
12h and 42min - Average daylight in August:
12h and 30min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 54min - Average daylight in November:
11h and 42min - Average daylight in December:
11h and 30min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
8h and 6min - Average sunshine in March:
8h and 0min - Average sunshine in April:
8h and 0min - Average sunshine in May:
6h and 0min - Average sunshine in June:
6h and 0min
- Average sunshine in July:
5h and 0min - Average sunshine in August:
5h and 0min - Average sunshine in September:
5h and 0min - Average sunshine in October:
6h and 0min - Average sunshine in November:
6h and 0min - Average sunshine in December:
7h and 0min
The month with the most sunshine is February (Average sunshine: 8h and 6min).
The months with the least sunshine are July, August and September (Average sunshine: 5h and 0min).
Average UV index
Phú Quốc, Vietnam
The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).





