Hai Phong Temperature by Month
The average annual maximum temperature in Hai Phong, Hai Phong Municipality, Vietnam is 28°C (82°F), with daytime highs ranging from 21°C (70°F) in January to 33°C (91°F) in June. This page covers monthly averages, day-night differences, and how Hai Phong compares to cities worldwide.
Hai Phong Monthly Temperatures
Depending on the time of the year, temperatures range from very warm to pleasant in Hai Phong. At night, minimum temperatures range from 27°C (81°F) in June to 15°C (59°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Hai Phong by month:
The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM, when the sun's heating effect is strongest. June, the warmest month, gets 173 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Hai Phong vs Vietnam
The map below shows the annual temperature across Vietnam. You can also select individual months if you want to compare a specific time of year.
very warm
warm
pleasant
moderate
cold
very cold
Hai Phong vs World: Temperature Compared
Hai Phong's average annual maximum temperature is 28°C (82°F). To put that in context, here's how it compares to a few well-known destinations:
Lisbon, Portugal averages 21°C (70°F) annually — warm summers, mild winters, and rain mainly in the cooler months.
Queenstown, New Zealand averages 10°C (50°F) annually — remember seasons are flipped, so its coldest months fall in June and July.
Buenos Aires, Argentina averages 23°C (73°F) a year, with hot summers and mild winters — and seasons reversed compared to Europe.
Adelaide, Australia averages 21°C (70°F) a year, with warm summers, mild winters, and relatively low rainfall year-round.
What Does the Temperature Feel Like in Hai Phong?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In Hai Phong, January is the coolest month, with average highs of 21°C (70°F) and humidity around 80% — considered very high. In June, the warmest month, temperatures average 33°C (91°F) with 84% humidity — conditions that feel very high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Global average temperatures have risen by around 1.2°C since the pre-industrial era, and the effects are visible across many regions. Winters are milder on average, with fewer frost days and less snow in many parts of the world. Heatwaves are more frequent and more intense, and Europe's summers of 2018, 2019, and 2020 all set records.
Summers are also getting drier in some areas, while winter rainfall has increased in others. This contributies to higher river levels and more flooding. In many countries, spring arrives earlier and autumn lasts longer. It has knock-on effects for wildlife, agriculture, and local ecosystems.
For more on Hai Phong's weather — including monthly rainfall, sunshine hours, and humidity — visit our Hai Phong climate page.
