Climate averages 1991–2020
Nam Định weather
in December.
A mild, fairly dry month: the 11th warmest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Nam Định: daytime highs average 21.4°C and nights cool to about 15.1°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 29 mm of rain on roughly 6 days, which makes December a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 55 min on an average December day.
The nearest other city in this atlas is Hưng Yên (27 km away). In December its highs average 21.3°C, about as warm as Nam Định, with 30 mm of rain.
Among the 136 cities listed in Vietnam, Nam Định ranks joint 87th of 136 for the warmest December highs and joint 7th of 136 for the driest December (rainfall, lowest first). The mean December high of those 136 cities is 25.0°C; Nam Định is 3.6°C cooler than that mean.
From December to January, average highs fall by 1.2°C to 20.2°C, and monthly rainfall falls from 29 mm to 27 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Hưng Yên in DecemberVietnam · 27 kmHigh 21.3°C · Low 14.4°C · 30 mm rain
- Hoa Lư in DecemberVietnam · 28 kmHigh 21.3°C · Low 14.6°C · 28 mm rain
- Phủ Lý in DecemberVietnam · 30 kmHigh 21.2°C · Low 14.4°C · 29 mm rain
- Mỹ Hào in DecemberVietnam · 55 kmHigh 21.3°C · Low 14.4°C · 31 mm rain
- Hải Dương in DecemberVietnam · 59 kmHigh 21.2°C · Low 14.3°C · 33 mm rain
- Kiến An in DecemberVietnam · 62 kmHigh 21.0°C · Low 15.2°C · 37 mm rain
- Thuận Thanh in DecemberVietnam · 69 kmHigh 21.2°C · Low 14.2°C · 31 mm rain
- Haiphong in DecemberVietnam · 71 kmHigh 21.1°C · Low 14.7°C · 37 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.