Hồng Ngự weather in March
In March, Hồng Ngự sees average daytime highs of 34°C and overnight lows near 25°C, with 35 mm of rain across 6.6 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 36% of the time in March, and the air most often feels oppressive.
Daylight stretches from about 11 h 48 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Hồng Ngự's 2nd-clearest and 6th-windiest month. For the whole year in context, see Hồng Ngự's year-round climate.
- Daytime high
- 34°
- 2nd warmest
- Overnight low
- 25°
- 6th coldest
- Rainfall
- 35 mm
- 6.6 wet days
- Daylight
- 11 h 54 min
- 6:10 AM – 6:06 PM
- Cloud cover
- 54%
- 2nd clearest
- Wind
- 8 km/h
- 6th windiest
- Solar energy
- 6.02 kWh/m²
- Travel score
- 3.1
- out of 10
Temperature in March
Day-to-day highs hold fairly steady near 34°C through the month.
A typical March day in Hồng Ngự reaches about 34°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 36°C. Set against its neighbours, March runs about 2°C warmer than February and on par with April.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 33 | 24 |
| 2 | 33 | 24 |
| 3 | 34 | 24 |
| 4 | 34 | 24 |
| 5 | 34 | 25 |
| 6 | 34 | 25 |
| 7 | 34 | 25 |
| 8 | 34 | 25 |
| 9 | 34 | 25 |
| 10 | 34 | 25 |
| 11 | 34 | 25 |
| 12 | 34 | 25 |
| 13 | 34 | 25 |
| 14 | 34 | 25 |
| 15 | 34 | 25 |
| 16 | 34 | 25 |
| 17 | 34 | 25 |
| 18 | 35 | 25 |
| 19 | 35 | 25 |
| 20 | 35 | 25 |
| 21 | 35 | 26 |
| 22 | 35 | 26 |
| 23 | 35 | 26 |
| 24 | 35 | 26 |
| 25 | 35 | 26 |
| 26 | 35 | 26 |
| 27 | 35 | 26 |
| 28 | 35 | 26 |
| 29 | 35 | 26 |
| 30 | 35 | 26 |
| 31 | 35 | 26 |
How March really feels in Hồng Ngự
Once humidity and wind are folded in, March averages 31 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 March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Hồng Ngự weather by month
How March compares with the rest of the year at a glance. March is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 23° | 23 | 4 | 11.4 | 4.9 |
| Feb | 32° / 23° | 13 | 1.6 | 11.6 | 4.6 |
| Mar | 34° / 25° | 35 | 6.6 | 11.9 | 3.1 |
| Apr | 35° / 26° | 87 | 13.5 | 12.2 | 2.3 |
| May | 34° / 27° | 170 | 23.6 | 12.5 | 2.1 |
| Jun | 32° / 26° | 198 | 26.5 | 12.6 | 2.2 |
| Jul | 32° / 26° | 208 | 27.2 | 12.6 | 2.4 |
| Aug | 32° / 26° | 215 | 27.8 | 12.4 | 2.3 |
| Sep | 32° / 25° | 254 | 27.9 | 12.1 | 2.2 |
| Oct | 32° / 25° | 276 | 26.3 | 11.8 | 2.5 |
| Nov | 32° / 25° | 113 | 14.8 | 11.5 | 3.6 |
| Dec | 31° / 24° | 48 | 7.4 | 11.4 | 4.6 |
Cloud cover in March
The sky is clear or mostly clear about 36% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 24% of March, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 61 | 61 | 63 | 63 | 63 | 63 | 64 | 65 | 65 | 65 | 65 | 64 | 64 | 63 | 61 | 61 | 60 | 58 | 58 | 57 | 57 | 56 | 56 | 56 | 55 | 55 | 55 | 55 | 55 | 56 | 55 |
| Cloudier (%) | 39 | 39 | 37 | 37 | 37 | 37 | 36 | 35 | 35 | 35 | 35 | 36 | 36 | 37 | 39 | 39 | 40 | 42 | 42 | 43 | 43 | 44 | 44 | 44 | 45 | 45 | 45 | 45 | 45 | 44 | 45 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 61 | 39 |
| 2 | 61 | 39 |
| 3 | 63 | 37 |
| 4 | 63 | 37 |
| 5 | 63 | 37 |
| 6 | 63 | 37 |
| 7 | 64 | 36 |
| 8 | 65 | 35 |
| 9 | 65 | 35 |
| 10 | 65 | 35 |
| 11 | 65 | 35 |
| 12 | 64 | 36 |
| 13 | 64 | 36 |
| 14 | 63 | 37 |
| 15 | 61 | 39 |
| 16 | 61 | 39 |
| 17 | 60 | 40 |
| 18 | 58 | 42 |
| 19 | 58 | 42 |
| 20 | 57 | 43 |
| 21 | 57 | 43 |
| 22 | 56 | 44 |
| 23 | 56 | 44 |
| 24 | 56 | 44 |
| 25 | 55 | 45 |
| 26 | 55 | 45 |
| 27 | 55 | 45 |
| 28 | 55 | 45 |
| 29 | 55 | 45 |
| 30 | 56 | 44 |
| 31 | 55 | 45 |
Chance of precipitation in March
Hồng Ngự gets around 35 mm of rain over 6.6 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 22% and peaks near 33% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 9 | 9 | 10 | 10 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 21 | 22 | 23 | 25 | 26 | 27 | 28 | 29 | 30 | 30 | 31 | 32 | 32 | 32 | 33 | 33 | 33 |
| Rain chance (%) | |
|---|---|
| 1 | 9 |
| 2 | 9 |
| 3 | 10 |
| 4 | 10 |
| 5 | 10 |
| 6 | 11 |
| 7 | 12 |
| 8 | 13 |
| 9 | 14 |
| 10 | 15 |
| 11 | 16 |
| 12 | 17 |
| 13 | 18 |
| 14 | 19 |
| 15 | 21 |
| 16 | 22 |
| 17 | 23 |
| 18 | 25 |
| 19 | 26 |
| 20 | 27 |
| 21 | 28 |
| 22 | 29 |
| 23 | 30 |
| 24 | 30 |
| 25 | 31 |
| 26 | 32 |
| 27 | 32 |
| 28 | 32 |
| 29 | 33 |
| 30 | 33 |
| 31 | 33 |
Humidity in March
Most of March feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the oppressive band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 99% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 38 | 38 | 38 | 37 | 36 | 36 | 35 | 34 | 33 | 32 | 31 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 20 | 19 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 13 | 12 | 11 |
| Oppressive (%) | 56 | 56 | 56 | 56 | 57 | 57 | 58 | 60 | 61 | 61 | 62 | 63 | 64 | 64 | 66 | 66 | 66 | 66 | 67 | 68 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 65 |
| Miserable (%) | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 10 | 11 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 24 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 2 | 38 | 56 | 4 |
| 2 | 2 | 38 | 56 | 4 |
| 3 | 2 | 38 | 56 | 4 |
| 4 | 2 | 37 | 56 | 5 |
| 5 | 2 | 36 | 57 | 5 |
| 6 | 2 | 36 | 57 | 5 |
| 7 | 2 | 35 | 58 | 5 |
| 8 | 1 | 34 | 60 | 5 |
| 9 | 1 | 33 | 61 | 5 |
| 10 | 1 | 32 | 61 | 6 |
| 11 | 1 | 31 | 62 | 6 |
| 12 | 1 | 29 | 63 | 7 |
| 13 | 1 | 28 | 64 | 7 |
| 14 | 1 | 27 | 64 | 8 |
| 15 | 0 | 26 | 66 | 8 |
| 16 | 0 | 25 | 66 | 9 |
| 17 | 0 | 24 | 66 | 10 |
| 18 | 0 | 23 | 66 | 11 |
| 19 | 0 | 22 | 67 | 11 |
| 20 | 0 | 20 | 68 | 12 |
| 21 | 0 | 19 | 68 | 13 |
| 22 | 0 | 19 | 67 | 14 |
| 23 | 0 | 18 | 67 | 15 |
| 24 | 0 | 17 | 67 | 16 |
| 25 | 0 | 16 | 67 | 17 |
| 26 | 0 | 15 | 67 | 18 |
| 27 | 0 | 14 | 67 | 19 |
| 28 | 0 | 13 | 67 | 20 |
| 29 | 0 | 13 | 66 | 21 |
| 30 | 0 | 12 | 66 | 22 |
| 31 | 0 | 11 | 65 | 24 |
Wind in March
Winds average 8 km/h in March.
Across March, daily wind ranges from about 8 km/h on the calmest days to 8 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| 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 | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in March
Daylight runs from about 11 h 48 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 18 minutes over March. Sunrise moves from 6:19 AM to 6:01 AM, and sunset from 6:05 PM to 6:06 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 6:19 | 6:18 | 6:18 | 6:17 | 6:17 | 6:16 | 6:16 | 6:15 | 6:14 | 6:14 | 6:13 | 6:13 | 6:12 | 6:12 | 6:11 | 6:10 | 6:10 | 6:09 | 6:09 | 6:08 | 6:07 | 6:07 | 6:06 | 6:06 | 6:05 | 6:04 | 6:04 | 6:03 | 6:02 | 6:02 | 6:01 |
| Sunset (PM) | 6:05 | 6:05 | 6:05 | 6:05 | 6:05 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:19 | 6:05 |
| 2 | 11.8 | 6:18 | 6:05 |
| 3 | 11.8 | 6:18 | 6:05 |
| 4 | 11.8 | 6:17 | 6:05 |
| 5 | 11.8 | 6:17 | 6:05 |
| 6 | 11.8 | 6:16 | 6:06 |
| 7 | 11.8 | 6:16 | 6:06 |
| 8 | 11.8 | 6:15 | 6:06 |
| 9 | 11.9 | 6:14 | 6:06 |
| 10 | 11.9 | 6:14 | 6:06 |
| 11 | 11.9 | 6:13 | 6:06 |
| 12 | 11.9 | 6:13 | 6:06 |
| 13 | 11.9 | 6:12 | 6:06 |
| 14 | 11.9 | 6:12 | 6:06 |
| 15 | 11.9 | 6:11 | 6:06 |
| 16 | 11.9 | 6:10 | 6:06 |
| 17 | 11.9 | 6:10 | 6:06 |
| 18 | 11.9 | 6:09 | 6:06 |
| 19 | 12.0 | 6:09 | 6:06 |
| 20 | 12.0 | 6:08 | 6:06 |
| 21 | 12.0 | 6:07 | 6:06 |
| 22 | 12.0 | 6:07 | 6:06 |
| 23 | 12.0 | 6:06 | 6:06 |
| 24 | 12.0 | 6:06 | 6:06 |
| 25 | 12.0 | 6:05 | 6:06 |
| 26 | 12.0 | 6:04 | 6:06 |
| 27 | 12.0 | 6:04 | 6:06 |
| 28 | 12.0 | 6:03 | 6:06 |
| 29 | 12.1 | 6:02 | 6:06 |
| 30 | 12.1 | 6:02 | 6:06 |
| 31 | 12.1 | 6:01 | 6:06 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 6.02 kWh/m².
For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 6.07 kWh/m² in April across the year — March's 6.02 kWh/m² sits near the top of that range.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.9 | Bright |
| 2 | 6.0 | Bright |
| 3 | 6.0 | Bright |
| 4 | 6.0 | Bright |
| 5 | 6.0 | Bright |
| 6 | 6.0 | Bright |
| 7 | 6.0 | Intense |
| 8 | 6.0 | Intense |
| 9 | 6.0 | Intense |
| 10 | 6.0 | Intense |
| 11 | 6.0 | Intense |
| 12 | 6.0 | Intense |
| 13 | 6.0 | Intense |
| 14 | 6.0 | Intense |
| 15 | 6.0 | Intense |
| 16 | 6.0 | Intense |
| 17 | 6.0 | Intense |
| 18 | 6.0 | Intense |
| 19 | 6.0 | Intense |
| 20 | 6.0 | Intense |
| 21 | 6.0 | Intense |
| 22 | 6.0 | Intense |
| 23 | 6.0 | Intense |
| 24 | 6.0 | Intense |
| 25 | 6.0 | Intense |
| 26 | 6.0 | Intense |
| 27 | 6.0 | Intense |
| 28 | 6.0 | Intense |
| 29 | 6.0 | Intense |
| 30 | 6.1 | Intense |
| 31 | 6.1 | Intense |
Hazard calendar for Hồng Ngự
In March, Hồng Ngự sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Hồng Ngự sits in the Pacific typhoon belt; the season peaks July–October.
Hồng Ngự's rainy season runs May–October, when most of the year's rain falls.
Is March a good time to visit Hồng Ngự?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a weaker month for outdoor sightseeing in Hồng Ngự. The water and warmth also suit a beach or pool day.
What to pack for Hồng Ngự in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Hồng Ngự sees daytime highs around 34°C and nights near 25°C. Pack light clothes and sun protection. About 7 days see rain.
UV index in Hồng Ngự in March
Clear-sky midday UV in March peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Hồng Ngự peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 at about 9 (very 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) | 10 | 11 | 12 | 12 | 11 | 12 | 12 | 13 | 13 | 9 | 9 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 11 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 9 | Very high |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Hồng Ngự in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in Hồng Ngự is worst in January — around 55 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (August, 21 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) | 55 | 49 | 44 | 40 | 33 | 25 | 24 | 21 | 27 | 39 | 47 | 48 |
| Level | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 55 | Poor |
| Feb | 49 | Poor |
| Mar | 44 | Poor |
| Apr | 40 | Poor |
| May | 33 | Moderate |
| Jun | 25 | Moderate |
| Jul | 24 | Moderate |
| Aug | 21 | Moderate |
| Sep | 27 | Moderate |
| Oct | 39 | Poor |
| Nov | 47 | Poor |
| Dec | 48 | Poor |
Where is Hồng Ngự?
Hồng Ngự sits at 10.8°N, 105.3°E, 13 m above sea level, in Vietnam. The nearest listed city is Ấp Long Thạnh, 9.0 km away.
Topography around Hồng Ngự
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hồng Ngự.
Within 3 km, the terrain around Hồng Ngự has only modest variations in elevation — a maximum elevation change of 17 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 30 m; within 80 km, large variations in elevation — a maximum elevation change of 680 m.
The land around Hồng Ngự is covered by cropland (46%) and water (20%) within 3 km, cropland (77%) within 16 km, and cropland (80%) 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 Hồng Ngự (10.8°, 105.35°, elevation 13 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). 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).