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One page of sourced numbers per city: what a day costs, what the travel advisory says, and which months score best on the weather.

Data: GeoNames, Open-Meteo, World Bank, US State Department, UK FCDO.

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© 2026 Travel City Index. Every number on this site comes from a dataset named on the page that shows it.
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  2. /Vietnam
  3. /Haiphong
  4. /Best time to visit
Weather and seasons in Haiphong, Vietnam

Best time to visit Haiphong: month-by-month weather (2026)

The highest-scoring months in Haiphong are Feb, Mar, Nov and Dec.

Best months

Feb, Mar, Nov and Dec

Peak season

Feb, Mar, Aug, Nov and Dec

Off season

Jun, Jul and Sep

Monthly Temperatures (°C)

Monthly Rainfall (mm)

Month-by-Month Guide

Temperature, rainfall and sunshine are measured. The visit score below is derived from those three (design spec §5.3)estimate.

Jan

Temp: 13.9°C – 21.3°C

Rain: 34mm

Sunshine: 6.3h/day

Visit score: 8/10

Feb

Best

Temp: 16.3°C – 22°C

Rain: 37mm

Sunshine: 3.6h/day

Visit score: 8.9/10

Mar

Best

Temp: 17.9°C – 24.7°C

Rain: 36mm

Sunshine: 5h/day

Visit score: 9.2/10

Apr

Temp: 22.7°C – 29°C

Rain: 61mm

Sunshine: 7.3h/day

Visit score: 8.9/10

May

Temp: 24.8°C – 30.6°C

Rain: 171mm

Sunshine: 8.6h/day

Visit score: 5.8/10

Jun

Temp: 26.5°C – 32.4°C

Rain: 332mm

Sunshine: 8.3h/day

Visit score: 3.8/10

Jul

Temp: 26.5°C – 32.6°C

Rain: 328mm

Sunshine: 9.6h/day

Visit score: 3.8/10

Aug

Temp: 25.9°C – 31.8°C

Rain: 348mm

Sunshine: 8.1h/day

Visit score: 5.7/10

Sep

Temp: 24.9°C – 30.8°C

Rain: 464mm

Sunshine: 7.6h/day

Visit score: 5.6/10

Oct

Temp: 22.3°C – 29.3°C

Rain: 126mm

Sunshine: 8.5h/day

Visit score: 8.2/10

Nov

Best

Temp: 18.7°C – 26.9°C

Rain: 34mm

Sunshine: 8.3h/day

Visit score: 10/10

Dec

Best

Temp: 15.9°C – 23°C

Rain: 22mm

Sunshine: 6.4h/day

Visit score: 9.5/10

When to go, and when not to

The best months to visit Haiphong are February, March, November, and December. During these months, daytime highs range from about 22.0C to 26.9C, lows stay between about 15.9C and 18.7C, and rainfall is light, ranging from 22mm to 37mm. Sunshine hours vary, with November offering as much as 8.3 hours a day.

Peak season also includes August, despite it being one of the wetter, hotter months, with highs of 31.8C and rainfall of 348mm. Travelers should be aware that June, July, and September bring the heaviest rain, with September seeing 464mm, and June and July recording 332mm and 328mm respectively, alongside highs of 32.4C, 32.6C, and 30.8C in September.

Season Guide

Spring

March – May

Mild temperatures and blooming gardens. A great time for sightseeing with fewer crowds than summer.

Packing tips

  • · Light layers
  • · Rain jacket
  • · Comfortable walking shoes

Summer

June – August

Warmest months with the longest days. Peak tourist season in most destinations.

Packing tips

  • · Sunscreen
  • · Hat
  • · Light clothing
  • · Refillable water bottle

Autumn

September – November

Cooling temperatures and autumn foliage. Shoulder season with good deals on accommodations.

Packing tips

  • · Medium layers
  • · Sweater
  • · Waterproof jacket

Winter

December – February

Coldest months with shorter days. Holiday markets and winter activities in many cities.

Packing tips

  • · Warm coat
  • · Scarf and gloves
  • · Thermal layers
  • · Waterproof boots

Keep reading

More on Haiphong

  • Back to Haiphong
  • Best cities to visit in February
  • Best cities to visit in March
  • Best cities to visit in November
  • Best cities to visit in December

Sources

  • GeoNames city database — CC BY 4.0, fetched September 14, 2026
  • Open-Meteo climate archive — CC BY 4.0, fetched September 21, 2026

AI-written interpretation reviewed against the data above — claude-sonnet-5, generated September 21, 2026. Every number on this page comes from a dataset named here; the formulas are public.