Climate averages 1991–2020
Nam Định weather
in August.
A hot, very wet month: the 3rd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Nam Định: daytime highs average 31.2°C and nights cool to about 26.0°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 342 mm of rain on roughly 24 days, which makes August a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 50 min on an average August day.
The nearest other city in this atlas is Hưng Yên (27 km away). In August its highs average 31.3°C, about as warm as Nam Định, with 335 mm of rain.
Among the 136 cities listed in Vietnam, Nam Định ranks joint 48th of 136 for the warmest August highs and 103rd of 136 for the driest August (rainfall, lowest first). The mean August high of those 136 cities is 30.5°C; Nam Định is 0.7°C warmer than that mean.
From August to September, average highs fall by 1.3°C to 30.0°C, and monthly rainfall falls from 342 mm to 277 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Nam Định climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 20.2°C14.3°C | 14.3°C | 27 | 5.5 | 11.011 h |
| February | 21.9°C15.9°C | 15.9°C | 15 | 4.2 | 11.511 h |
| March | 24.7°C18.6°C | 18.6°C | 36 | 6.4 | 12.012 h |
| April | 28.3°C22.1°C | 22.1°C | 63 | 8.7 | 12.613 h |
| May | 30.9°C25.0°C | 25.0°C | 196 | 16.3 | 13.113 h |
| June | 32.6°C27.0°C | 27.0°C | 189 | 16.4 | 13.313 h |
| July | 32.4°C27.0°C | 27.0°C | 246 | 18.4 | 13.213 h |
| August, selected | 31.2°C26.0°C | 26.0°C | 342 | 23.6 | 12.813 h |
| September | 30.0°C24.5°C | 24.5°C | 277 | 20.5 | 12.312 h |
| October | 28.1°C22.0°C | 22.0°C | 142 | 13.6 | 11.712 h |
| November | 25.3°C18.7°C | 18.7°C | 61 | 8.3 | 11.211 h |
| December | 21.4°C15.1°C | 15.1°C | 29 | 6.3 | 10.911 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Hưng Yên in AugustVietnam · 27 kmHigh 31.3°C · Low 25.6°C · 335 mm rain
- Hoa Lư in AugustVietnam · 28 kmHigh 31.4°C · Low 25.7°C · 333 mm rain
- Phủ Lý in AugustVietnam · 30 kmHigh 31.3°C · Low 25.4°C · 340 mm rain
- Mỹ Hào in AugustVietnam · 55 kmHigh 31.4°C · Low 25.6°C · 350 mm rain
- Hải Dương in AugustVietnam · 59 kmHigh 31.3°C · Low 25.6°C · 353 mm rain
- Kiến An in AugustVietnam · 62 kmHigh 30.7°C · Low 26.0°C · 381 mm rain
- Thuận Thanh in AugustVietnam · 69 kmHigh 31.4°C · Low 25.4°C · 350 mm rain
- Haiphong in AugustVietnam · 71 kmHigh 30.8°C · Low 25.8°C · 381 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Nam Định) is explained once on the Nam Định year overview and on the Sources, method and limits page.