Log visit
Vietnam
Nghi Sơn weather by month
Historical averages 2016–2025 · not a forecast
Loading your weather period…
When is the best time to visit Nghi Sơn?
For a warm holiday, the best week has been 14–20 March (Weather Index 83). Favourable start dates for a 7-day trip run from 9 March to 23 March. June is warmest (36°C), February is driest and May and June have the most sun.
- Warmest
- June 36°C
- Coolest
- January 21°C
- Driest
- February 13% rain-day chance
- Wettest
- September 65% rain-day chance
- Sunniest
- May and June 10 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Nghi Sơn
Nghi Sơn historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 21.2 | 16.5 | 21.0 | 6.5 | 36.0 | 5.2 |
| February | 22.1 | 17.2 | 12.5 | 3.5 | 17.4 | 6.2 |
| March | 25.5 | 20.3 | 18.4 | 5.7 | 29.9 | 7.6 |
| April | 29.6 | 23.4 | 19.3 | 5.8 | 50.0 | 9.4 |
| May | 32.9 | 26.4 | 40.0 | 12.4 | 132.1 | 10.1 |
| June | 36.1 | 29.1 | 32.3 | 9.7 | 88.0 | 10.2 |
| July | 34.5 | 28.2 | 48.7 | 15.1 | 250.5 | 9.1 |
| August | 33.2 | 27.5 | 61.0 | 18.9 | 269.2 | 8.1 |
| September | 31.7 | 26.2 | 64.7 | 19.4 | 348.8 | 8.0 |
| October | 28.4 | 23.7 | 54.8 | 17.0 | 207.3 | 7.1 |
| November | 25.8 | 20.9 | 33.7 | 10.1 | 82.3 | 7.3 |
| December | 22.0 | 17.3 | 17.1 | 5.3 | 38.0 | 5.6 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.