Haiphong, Hai Phong, Vietnam climate
Average temperatures, precipitation and all-time records for Haiphong, Hai Phong, Vietnam, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is July, averaging a high of 31°C, and its coldest is January, with an average low of 13°C.
Haiphong or Hai Phong is the third-largest city in Vietnam, with an area of 3,194.72 km2 (1,233.49 mi2). It includes Bạch Long Vĩ and Cát Hải islands in the Gulf of Tonkin. Haiphong has a population of 4,664,124 in 2025. via Wikipedia
How today compares
Latest recorded day: 2026-07-21. Each reading placed on Haiphong, Hai Phong, Vietnam's own ±7-day seasonal distribution.
Haiphong average temperatures by month
Typical daily high and low, and average precipitation, for each month in Haiphong, Hai Phong, Vietnam, based on 1981–2026 records. The wettest month is August (10 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 20°C | 13°C | 0 mm |
| February | 22°C | 14°C | 0 mm |
| March | 25°C | 17°C | 3 mm |
| April | 29°C | 21°C | 3 mm |
| May | 30°C | 24°C | 5 mm |
| June | 31°C | 26°C | 8 mm |
| July | 31°C | 26°C | 8 mm |
| August | 31°C | 26°C | 10 mm |
| September | 30°C | 25°C | 8 mm |
| October | 28°C | 22°C | 5 mm |
| November | 25°C | 18°C | 3 mm |
| December | 22°C | 13°C | 0 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 40°C on 1994-05-03
- Coldest day on record: 3°C on 1999-12-23
Percentiles compare each day to Haiphong, Hai Phong, Vietnam's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →