Nam Định weather in April
In April, Nam Định sees average daytime highs of 28°C and overnight lows near 23°C, with 63 mm of rain across 8.7 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.
Highs climb over the month, from about 26°C in the first days to 29°C by the end. The sky is clear or mostly clear about 14% of the time in April, and the air most often feels oppressive.
Daylight stretches from about 12 h 12 min at the start of April to 12 h 42 min by month's end. Set against the rest of the year, April is Nam Định's 4th-clearest and 1st-windiest month. For the whole year in context, see Nam Định's year-round climate.
- Daytime high
- 28°
- 7th warmest
- Overnight low
- 23°
- 6th coldest
- Rainfall
- 63 mm
- 8.7 wet days
- Daylight
- 12 h 30 min
- 5:41 AM – 6:10 PM
- Cloud cover
- 71%
- 4th clearest
- Wind
- 11 km/h
- 1st windiest
- Solar energy
- 4.59 kWh/m²
- Travel score
- 6.0
- out of 10
Nam Định is the former provincial capital of the former Nam Dinh province, Vietnam.
- Density
- 9,660/km²
- people per km²
- Founded
- 1921
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in April
Highs climb over the month, from about 26°C in the first days to 29°C by the end.
A typical April day in Nam Định reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 31°C. Set against its neighbours, April runs about 4°C warmer than March and about 4°C cooler than May.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 |
| Avg low (°C) | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 21 |
| 2 | 26 | 21 |
| 3 | 26 | 21 |
| 4 | 26 | 21 |
| 5 | 26 | 21 |
| 6 | 26 | 21 |
| 7 | 26 | 22 |
| 8 | 26 | 22 |
| 9 | 27 | 22 |
| 10 | 27 | 22 |
| 11 | 27 | 22 |
| 12 | 27 | 22 |
| 13 | 27 | 22 |
| 14 | 27 | 23 |
| 15 | 28 | 23 |
| 16 | 28 | 23 |
| 17 | 28 | 23 |
| 18 | 28 | 23 |
| 19 | 28 | 23 |
| 20 | 28 | 23 |
| 21 | 29 | 23 |
| 22 | 29 | 24 |
| 23 | 29 | 24 |
| 24 | 29 | 24 |
| 25 | 29 | 24 |
| 26 | 29 | 24 |
| 27 | 29 | 24 |
| 28 | 29 | 24 |
| 29 | 30 | 24 |
| 30 | 30 | 24 |
How April really feels in Nam Định
Once humidity and wind are folded in, April averages 8 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Nam Định weather by month
How April compares with the rest of the year at a glance. April is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 20° / 15° | 28 | 5.5 | 10.9 | 6.6 |
| Feb | 22° / 17° | 15 | 4.1 | 11.3 | 6.9 |
| Mar | 24° / 19° | 36 | 6.4 | 11.9 | 7.0 |
| Apr | 28° / 23° | 63 | 8.7 | 12.5 | 6.0 |
| May | 31° / 26° | 196 | 16.3 | 13 | 3.6 |
| Jun | 33° / 28° | 189 | 16.4 | 13.2 | 2.6 |
| Jul | 33° / 28° | 246 | 18.4 | 13.1 | 2.6 |
| Aug | 32° / 27° | 342 | 23.6 | 12.7 | 2.6 |
| Sep | 31° / 25° | 277 | 20.6 | 12.1 | 3.3 |
| Oct | 29° / 23° | 142 | 13.6 | 11.5 | 5.1 |
| Nov | 26° / 20° | 61 | 8.3 | 11 | 6.9 |
| Dec | 22° / 16° | 29 | 6.3 | 10.8 | 7.1 |
Cloud cover in April
The sky is clear or mostly clear about 14% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 71%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 21 | 23 | 24 | 25 | 25 | 26 | 26 | 27 | 27 | 28 | 29 | 30 | 31 | 31 | 31 | 33 | 33 | 32 | 31 | 32 | 32 | 32 | 31 | 31 | 31 | 32 | 32 | 31 | 31 | 31 |
| Cloudier (%) | 79 | 77 | 76 | 75 | 75 | 74 | 74 | 73 | 73 | 72 | 71 | 70 | 69 | 69 | 69 | 67 | 67 | 68 | 69 | 68 | 68 | 68 | 69 | 69 | 69 | 68 | 68 | 69 | 69 | 69 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 21 | 79 |
| 2 | 23 | 77 |
| 3 | 24 | 76 |
| 4 | 25 | 75 |
| 5 | 25 | 75 |
| 6 | 26 | 74 |
| 7 | 26 | 74 |
| 8 | 27 | 73 |
| 9 | 27 | 73 |
| 10 | 28 | 72 |
| 11 | 29 | 71 |
| 12 | 30 | 70 |
| 13 | 31 | 69 |
| 14 | 31 | 69 |
| 15 | 31 | 69 |
| 16 | 33 | 67 |
| 17 | 33 | 67 |
| 18 | 32 | 68 |
| 19 | 31 | 69 |
| 20 | 32 | 68 |
| 21 | 32 | 68 |
| 22 | 32 | 68 |
| 23 | 31 | 69 |
| 24 | 31 | 69 |
| 25 | 31 | 69 |
| 26 | 32 | 68 |
| 27 | 32 | 68 |
| 28 | 31 | 69 |
| 29 | 31 | 69 |
| 30 | 31 | 69 |
Chance of precipitation in April
Nam Định gets around 63 mm of rain over 8.7 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 30% and peaks near 39% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 29 | 29 | 30 | 31 | 31 | 32 | 33 | 34 | 34 | 35 | 36 | 37 | 38 | 39 |
| Rain chance (%) | |
|---|---|
| 1 | 25 |
| 2 | 25 |
| 3 | 25 |
| 4 | 25 |
| 5 | 25 |
| 6 | 26 |
| 7 | 26 |
| 8 | 26 |
| 9 | 26 |
| 10 | 26 |
| 11 | 26 |
| 12 | 26 |
| 13 | 27 |
| 14 | 27 |
| 15 | 28 |
| 16 | 28 |
| 17 | 29 |
| 18 | 29 |
| 19 | 30 |
| 20 | 31 |
| 21 | 31 |
| 22 | 32 |
| 23 | 33 |
| 24 | 34 |
| 25 | 34 |
| 26 | 35 |
| 27 | 36 |
| 28 | 37 |
| 29 | 38 |
| 30 | 39 |
Humidity in April
Most of April feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the oppressive band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Humid (%) | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 4 |
| Muggy (%) | 31 | 30 | 30 | 29 | 27 | 26 | 25 | 24 | 22 | 21 | 20 | 19 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 |
| Oppressive (%) | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 47 | 48 | 48 | 48 | 48 | 48 | 47 | 47 | 46 | 45 | 45 | 44 | 44 | 43 | 42 | 41 | 40 | 39 | 38 | 36 | 35 | 34 |
| Miserable (%) | 3 | 4 | 5 | 5 | 6 | 7 | 8 | 9 | 10 | 12 | 13 | 15 | 17 | 19 | 20 | 22 | 24 | 26 | 28 | 29 | 31 | 33 | 35 | 37 | 39 | 41 | 44 | 46 | 48 | 50 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 4 | 7 | 14 | 31 | 40 | 3 |
| 2 | 4 | 7 | 14 | 30 | 41 | 4 |
| 3 | 4 | 6 | 14 | 30 | 42 | 5 |
| 4 | 3 | 6 | 13 | 29 | 43 | 5 |
| 5 | 3 | 6 | 13 | 27 | 44 | 6 |
| 6 | 3 | 5 | 13 | 26 | 45 | 7 |
| 7 | 3 | 5 | 13 | 25 | 46 | 8 |
| 8 | 2 | 5 | 13 | 24 | 47 | 9 |
| 9 | 2 | 5 | 13 | 22 | 47 | 10 |
| 10 | 2 | 5 | 12 | 21 | 48 | 12 |
| 11 | 2 | 5 | 12 | 20 | 48 | 13 |
| 12 | 1 | 5 | 12 | 19 | 48 | 15 |
| 13 | 1 | 4 | 11 | 18 | 48 | 17 |
| 14 | 1 | 4 | 11 | 17 | 48 | 19 |
| 15 | 1 | 4 | 11 | 17 | 47 | 20 |
| 16 | 1 | 3 | 11 | 16 | 47 | 22 |
| 17 | 1 | 3 | 10 | 16 | 46 | 24 |
| 18 | 1 | 3 | 10 | 15 | 45 | 26 |
| 19 | 1 | 2 | 9 | 15 | 45 | 28 |
| 20 | 0 | 2 | 9 | 15 | 44 | 29 |
| 21 | 0 | 2 | 8 | 15 | 44 | 31 |
| 22 | 0 | 2 | 7 | 15 | 43 | 33 |
| 23 | 0 | 1 | 7 | 14 | 42 | 35 |
| 24 | 0 | 1 | 6 | 14 | 41 | 37 |
| 25 | 0 | 1 | 6 | 14 | 40 | 39 |
| 26 | 0 | 1 | 5 | 13 | 39 | 41 |
| 27 | 0 | 1 | 5 | 13 | 38 | 44 |
| 28 | 0 | 1 | 5 | 12 | 36 | 46 |
| 29 | 0 | 1 | 4 | 12 | 35 | 48 |
| 30 | 0 | 1 | 4 | 12 | 34 | 50 |
Wind in April
Winds average 11 km/h in April, the windiest month of the year.
Across April, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 11 | calm |
| 20 | 11 | calm |
| 21 | 12 | calm |
| 22 | 12 | calm |
| 23 | 12 | calm |
| 24 | 12 | calm |
| 25 | 12 | calm |
| 26 | 12 | calm |
| 27 | 12 | calm |
| 28 | 12 | calm |
| 29 | 12 | calm |
| 30 | 12 | calm |
Sunrise & sunset in April
Daylight runs from about 12 h 12 min at the start of April to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 30 minutes over April. Sunrise moves from 5:55 AM to 5:31 AM, and sunset from 6:05 PM to 6:14 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.2 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 |
| Sunrise (AM) | 5:55 | 5:54 | 5:53 | 5:52 | 5:51 | 5:50 | 5:49 | 5:48 | 5:47 | 5:47 | 5:46 | 5:45 | 5:44 | 5:43 | 5:42 | 5:41 | 5:41 | 5:40 | 5:39 | 5:38 | 5:37 | 5:37 | 5:36 | 5:35 | 5:34 | 5:34 | 5:33 | 5:32 | 5:32 | 5:31 |
| Sunset (PM) | 6:05 | 6:05 | 6:06 | 6:06 | 6:06 | 6:07 | 6:07 | 6:07 | 6:07 | 6:08 | 6:08 | 6:08 | 6:09 | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:14 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 5:55 | 6:05 |
| 2 | 12.2 | 5:54 | 6:05 |
| 3 | 12.2 | 5:53 | 6:06 |
| 4 | 12.2 | 5:52 | 6:06 |
| 5 | 12.3 | 5:51 | 6:06 |
| 6 | 12.3 | 5:50 | 6:07 |
| 7 | 12.3 | 5:49 | 6:07 |
| 8 | 12.3 | 5:48 | 6:07 |
| 9 | 12.3 | 5:47 | 6:07 |
| 10 | 12.4 | 5:47 | 6:08 |
| 11 | 12.4 | 5:46 | 6:08 |
| 12 | 12.4 | 5:45 | 6:08 |
| 13 | 12.4 | 5:44 | 6:09 |
| 14 | 12.4 | 5:43 | 6:09 |
| 15 | 12.4 | 5:42 | 6:09 |
| 16 | 12.5 | 5:41 | 6:10 |
| 17 | 12.5 | 5:41 | 6:10 |
| 18 | 12.5 | 5:40 | 6:10 |
| 19 | 12.5 | 5:39 | 6:10 |
| 20 | 12.5 | 5:38 | 6:11 |
| 21 | 12.6 | 5:37 | 6:11 |
| 22 | 12.6 | 5:37 | 6:11 |
| 23 | 12.6 | 5:36 | 6:12 |
| 24 | 12.6 | 5:35 | 6:12 |
| 25 | 12.6 | 5:34 | 6:12 |
| 26 | 12.7 | 5:34 | 6:13 |
| 27 | 12.7 | 5:33 | 6:13 |
| 28 | 12.7 | 5:32 | 6:14 |
| 29 | 12.7 | 5:32 | 6:14 |
| 30 | 12.7 | 5:31 | 6:14 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 4.59 kWh/m².
For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 5.27 kWh/m² in June across the year — April's 4.59 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 3.8 | 3.9 | 3.9 | 4.0 | 4.0 | 4.1 | 4.2 | 4.2 | 4.3 | 4.3 | 4.4 | 4.5 | 4.5 | 4.6 | 4.6 | 4.7 | 4.7 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.1 |
| Level | Moderate | Moderate | Moderate | Moderate | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.8 | Moderate |
| 2 | 3.9 | Moderate |
| 3 | 3.9 | Moderate |
| 4 | 4.0 | Moderate |
| 5 | 4.0 | Bright |
| 6 | 4.1 | Bright |
| 7 | 4.2 | Bright |
| 8 | 4.2 | Bright |
| 9 | 4.3 | Bright |
| 10 | 4.3 | Bright |
| 11 | 4.4 | Bright |
| 12 | 4.5 | Bright |
| 13 | 4.5 | Bright |
| 14 | 4.6 | Bright |
| 15 | 4.6 | Bright |
| 16 | 4.7 | Bright |
| 17 | 4.7 | Bright |
| 18 | 4.8 | Bright |
| 19 | 4.8 | Bright |
| 20 | 4.9 | Bright |
| 21 | 4.9 | Bright |
| 22 | 4.9 | Bright |
| 23 | 5.0 | Bright |
| 24 | 5.0 | Bright |
| 25 | 5.0 | Bright |
| 26 | 5.0 | Bright |
| 27 | 5.1 | Bright |
| 28 | 5.1 | Bright |
| 29 | 5.1 | Bright |
| 30 | 5.1 | Bright |
Hazard calendar for Nam Định
In April, Nam Định sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Nam Định sits in the Pacific typhoon belt; the season peaks July–October.
Nam Định's monsoon runs May–September, when most of the year's rain falls.
Is April a good time to visit Nam Định?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a reasonable time to visit Nam Định for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Nam Định in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Nam Định sees daytime highs around 28°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.
Sea temperature near Nam Định in April
The nearest coast averages about 24°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 40 km away) is warmest in August at about 30°C and coldest in February near 20°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 21 | 20 | 21 | 24 | 27 | 29 | 30 | 30 | 29 | 28 | 26 | 23 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 21 | Refreshing |
| Feb | 20 | Refreshing |
| Mar | 21 | Refreshing |
| Apr | 24 | Refreshing |
| May | 27 | Warm |
| Jun | 29 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Tropical |
| Nov | 26 | Warm |
| Dec | 23 | Refreshing |
UV index in Nam Định in April
Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nam Định peaks around July 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 7 | 8 | 9 | 7 | 9 | 11 | 11 | 10 | 8 | 8 | 7 | 6 |
| Level | High | Very high | Very high | High | Very high | Extreme | Extreme | Very high | Very high | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 8 | Very high |
| Mar | 9 | Very high |
| Apr | 7 | High |
| May | 9 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 8 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Nam Định in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Nam Định is worst in January — around 67 µg/m³ PM2.5 (unhealthy), about 2.7× the cleanest month (July, 25 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 67 | 61 | 61 | 51 | 37 | 27 | 25 | 27 | 41 | 52 | 56 | 66 |
| Level | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Moderate | Moderate | Moderate | Poor | Poor | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 67 | Unhealthy |
| Feb | 61 | Unhealthy |
| Mar | 61 | Unhealthy |
| Apr | 51 | Poor |
| May | 37 | Poor |
| Jun | 27 | Moderate |
| Jul | 25 | Moderate |
| Aug | 27 | Moderate |
| Sep | 41 | Poor |
| Oct | 52 | Poor |
| Nov | 56 | Unhealthy |
| Dec | 66 | Unhealthy |
Where is Nam Định?
Nam Định sits at 20.4°N, 106.2°E, 5 m above sea level, in Vietnam. The nearest listed city is Thái Bình, 17 km away.
Topography around Nam Định
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nam Định.
Within 3 km, the terrain around Nam Định has only modest variations in elevation — a maximum elevation change of 14 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 63 m; within 80 km, large variations in elevation — a maximum elevation change of 1,061 m.
The land around Nam Định is covered by artificial surfaces (53%) within 3 km, cropland (59%) within 16 km, and cropland (36%), water (28%) and trees (23%) within 80 km.
Vietnam travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B / C / F
- 220 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $5,066
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Safe drinking water
- 59%
- of population, 2024
- Homicide rate
- 1.5
- per 100k, 2011
- Road deaths
- 30.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 500
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Nam Định (20.4339°, 106.1773°, elevation 5 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).