Phu Quoc in January: weather, sea and what to know
January is one of Phu Quoc's driest and sunniest months: about 28 mm over 4–5 rainy days and around 248 hours of sunshine by the weather station averages. Highs are around 30.6 °C, nights around 23 °C — the coolest of the year — and the water about 28 °C.
January is one of Phu Quoc's driest and sunniest months: about 28 mm over 4–5 rainy days and around 248 hours of sunshine by the weather station averages. Highs are around 30.6 °C, nights around 23 °C — the coolest of the year — and the water about 28 °C. The dry season brings calm seas (Vietnam's official tourism portal, VnExpress). It's peak tourist season, so book ahead.
What is the weather like on Phu Quoc in January?
| Day | Night | Rain | Rainy days | Sunshine | Sea |
|---|---|---|---|---|---|
| 30.6 °C | 23 °C | 28 mm | 5 | 248 h | 28 °C |
"Day" is the average daily high, "night" the average nightly low. Averages from QCVN 02:2022/BXD; sea temperature from climate references.
Phu Quoc or Nha Trang in January?
For the sea, Phu Quoc is warmer in January: water around 28 °C against 25 °C in Nha Trang, with less rain. Nha Trang's rainy season is over by January, but its calmest sea starts in February. More in Phu Quoc or Nha Trang and Nha Trang in January.
Can you swim on Phu Quoc in January?
Yes: the sea is calm in the dry season. Swim near lifeguards and stay out under a red flag. Beaches — Phu Quoc beaches. Next: the month before — Phu Quoc in December; the month after — Phu Quoc in February; all months — Phu Quoc weather by month.
FAQ
What's the weather on Phu Quoc in January? Highs around 30.6 °C, nights around 23 °C, about 28 mm of rain over 5 rainy days.
How warm is the sea in January? About 28 °C.
Rainy or dry season? Dry season: November to April according to Vietnam's official tourism portal and VnExpress.
Sources and checks
Weather — long-term averages from the Phu Quoc weather station (QCVN 02:2022/BXD, station No. 150). Sea temperature — weather2travel and Climates to Travel, checked 12 November 2026. Seasons — Vietnam's official tourism portal, VnExpress (10 April 2026), VnExpress International (16 October 2024); the sea on each side of the island — Thanh Niên (20 June 2024), Vietnam Airlines. Advice is ours.