Diễn Thành weather in July
In July, Diễn Thành sees average daytime highs of 34°C and overnight lows near 28°C, with 171 mm of rain across 14.2 wet days and about 13 hours of daylight. It is the 2nd-warmest and 4th-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 11% of the time in July, and the air most often feels miserable.
Daylight stretches from about 13 h 06 min at the start of July to 12 h 54 min by month's end. Set against the rest of the year, July is Diễn Thành's 10th-clearest and 2nd-windiest month. For the whole year in context, see Diễn Thành's year-round climate.
- Daytime high
- 34°
- 2nd warmest
- Overnight low
- 28°
- 12th coldest
- Rainfall
- 171 mm
- 14.2 wet days
- Daylight
- 13 hours
- 5:32 AM – 6:34 PM
- Cloud cover
- 83%
- 10th clearest
- Wind
- 9 km/h
- 2nd windiest
- Solar energy
- 5.47 kWh/m²
- Travel score
- 2.3
- out of 10
Temperature in July
Day-to-day highs hold fairly steady near 34°C through the month.
A typical July day in Diễn Thành reaches about 34°C in the afternoon and slips back to 28°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 38°C. Set against its neighbours, July runs on par with June and about 2°C warmer than August.
| 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) | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 |
| Avg low (°C) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 35 | 28 |
| 2 | 35 | 28 |
| 3 | 35 | 28 |
| 4 | 35 | 28 |
| 5 | 35 | 28 |
| 6 | 35 | 28 |
| 7 | 35 | 28 |
| 8 | 35 | 28 |
| 9 | 35 | 28 |
| 10 | 35 | 28 |
| 11 | 35 | 28 |
| 12 | 35 | 28 |
| 13 | 35 | 28 |
| 14 | 35 | 28 |
| 15 | 35 | 28 |
| 16 | 35 | 28 |
| 17 | 35 | 28 |
| 18 | 34 | 28 |
| 19 | 34 | 28 |
| 20 | 34 | 28 |
| 21 | 34 | 28 |
| 22 | 34 | 28 |
| 23 | 34 | 28 |
| 24 | 34 | 27 |
| 25 | 34 | 27 |
| 26 | 34 | 27 |
| 27 | 34 | 27 |
| 28 | 34 | 27 |
| 29 | 34 | 27 |
| 30 | 34 | 27 |
| 31 | 34 | 27 |
How July really feels in Diễn Thành
Once humidity and wind are folded in, July 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 July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Diễn Thành weather by month
How July compares with the rest of the year at a glance. July is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 21° / 16° | 17 | 3.9 | 11 | 7.0 |
| Feb | 23° / 17° | 13 | 3.3 | 11.4 | 7.4 |
| Mar | 26° / 19° | 31 | 5.3 | 11.9 | 7.2 |
| Apr | 30° / 23° | 49 | 6.9 | 12.4 | 5.3 |
| May | 33° / 26° | 115 | 14 | 12.9 | 3.1 |
| Jun | 35° / 28° | 116 | 12 | 13.1 | 2.1 |
| Jul | 34° / 28° | 171 | 14.2 | 13 | 2.3 |
| Aug | 33° / 27° | 259 | 20.5 | 12.6 | 2.6 |
| Sep | 31° / 25° | 293 | 19.9 | 12.1 | 3.2 |
| Oct | 29° / 23° | 238 | 17.5 | 11.6 | 4.8 |
| Nov | 26° / 20° | 62 | 9.1 | 11.1 | 6.7 |
| Dec | 22° / 17° | 26 | 5.1 | 10.9 | 7.2 |
Cloud cover in July
The sky is clear or mostly clear about 11% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 7% of July, with mostly cloudy or overcast conditions the remaining 82%.
| 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 (%) | 17 | 18 | 19 | 19 | 19 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 16 |
| Cloudier (%) | 83 | 82 | 81 | 81 | 81 | 79 | 79 | 79 | 79 | 79 | 80 | 80 | 80 | 80 | 82 | 82 | 83 | 83 | 84 | 84 | 84 | 84 | 85 | 86 | 86 | 86 | 85 | 84 | 84 | 84 | 84 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 17 | 83 |
| 2 | 18 | 82 |
| 3 | 19 | 81 |
| 4 | 19 | 81 |
| 5 | 19 | 81 |
| 6 | 21 | 79 |
| 7 | 21 | 79 |
| 8 | 21 | 79 |
| 9 | 21 | 79 |
| 10 | 21 | 79 |
| 11 | 20 | 80 |
| 12 | 20 | 80 |
| 13 | 20 | 80 |
| 14 | 20 | 80 |
| 15 | 18 | 82 |
| 16 | 18 | 82 |
| 17 | 17 | 83 |
| 18 | 17 | 83 |
| 19 | 16 | 84 |
| 20 | 16 | 84 |
| 21 | 16 | 84 |
| 22 | 16 | 84 |
| 23 | 15 | 85 |
| 24 | 14 | 86 |
| 25 | 14 | 86 |
| 26 | 14 | 86 |
| 27 | 15 | 85 |
| 28 | 16 | 84 |
| 29 | 16 | 84 |
| 30 | 16 | 84 |
| 31 | 16 | 84 |
Chance of precipitation in July
Diễn Thành gets around 171 mm of rain over 14.2 wet days in July. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 46% and peaks near 58% 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 (%) | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 39 | 39 | 40 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 56 | 57 | 58 | 58 |
| Rain chance (%) | |
|---|---|
| 1 | 38 |
| 2 | 38 |
| 3 | 38 |
| 4 | 38 |
| 5 | 38 |
| 6 | 38 |
| 7 | 38 |
| 8 | 39 |
| 9 | 39 |
| 10 | 40 |
| 11 | 40 |
| 12 | 41 |
| 13 | 42 |
| 14 | 43 |
| 15 | 44 |
| 16 | 45 |
| 17 | 46 |
| 18 | 47 |
| 19 | 48 |
| 20 | 49 |
| 21 | 50 |
| 22 | 51 |
| 23 | 52 |
| 24 | 53 |
| 25 | 54 |
| 26 | 55 |
| 27 | 56 |
| 28 | 56 |
| 29 | 57 |
| 30 | 58 |
| 31 | 58 |
Humidity in July
Most of July feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the miserable band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Oppressive (%) | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 51 | 51 | 51 | 50 | 49 | 49 | 48 | 47 | 46 | 45 | 43 | 42 | 40 | 39 | 37 | 36 | 34 | 33 | 32 | 31 |
| Miserable (%) | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 50 | 50 | 51 | 52 | 53 | 54 | 57 | 58 | 60 | 61 | 63 | 64 | 66 | 67 | 68 | 69 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 1 | 50 | 49 |
| 2 | 1 | 50 | 49 |
| 3 | 1 | 50 | 49 |
| 4 | 1 | 50 | 49 |
| 5 | 2 | 50 | 49 |
| 6 | 2 | 50 | 49 |
| 7 | 2 | 50 | 49 |
| 8 | 2 | 50 | 48 |
| 9 | 2 | 50 | 48 |
| 10 | 2 | 50 | 48 |
| 11 | 2 | 50 | 48 |
| 12 | 1 | 51 | 48 |
| 13 | 1 | 51 | 48 |
| 14 | 1 | 51 | 48 |
| 15 | 1 | 50 | 49 |
| 16 | 1 | 49 | 50 |
| 17 | 1 | 49 | 50 |
| 18 | 1 | 48 | 51 |
| 19 | 1 | 47 | 52 |
| 20 | 1 | 46 | 53 |
| 21 | 1 | 45 | 54 |
| 22 | 0 | 43 | 57 |
| 23 | 0 | 42 | 58 |
| 24 | 0 | 40 | 60 |
| 25 | 0 | 39 | 61 |
| 26 | 0 | 37 | 63 |
| 27 | 0 | 36 | 64 |
| 28 | 0 | 34 | 66 |
| 29 | 0 | 33 | 67 |
| 30 | 0 | 32 | 68 |
| 31 | 0 | 31 | 69 |
Wind in July
Winds average 9 km/h in July.
Across July, daily wind ranges from about 8 km/h on the calmest days to 10 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) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 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 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 8 | calm |
Sunrise & sunset in July
Daylight runs from about 13 h 06 min at the start of July to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over July. Sunrise moves from 5:27 AM to 5:37 AM, and sunset from 6:35 PM to 6:30 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) | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 |
| Sunrise (AM) | 5:27 | 5:27 | 5:28 | 5:28 | 5:28 | 5:29 | 5:29 | 5:29 | 5:30 | 5:30 | 5:30 | 5:31 | 5:31 | 5:31 | 5:32 | 5:32 | 5:32 | 5:33 | 5:33 | 5:33 | 5:34 | 5:34 | 5:35 | 5:35 | 5:35 | 5:36 | 5:36 | 5:36 | 5:37 | 5:37 | 5:37 |
| Sunset (PM) | 6:35 | 6:35 | 6:35 | 6:35 | 6:35 | 6:35 | 6:35 | 6:35 | 6:35 | 6:35 | 6:35 | 6:35 | 6:35 | 6:35 | 6:35 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:33 | 6:33 | 6:33 | 6:33 | 6:32 | 6:32 | 6:32 | 6:31 | 6:31 | 6:31 | 6:30 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.1 | 5:27 | 6:35 |
| 2 | 13.1 | 5:27 | 6:35 |
| 3 | 13.1 | 5:28 | 6:35 |
| 4 | 13.1 | 5:28 | 6:35 |
| 5 | 13.1 | 5:28 | 6:35 |
| 6 | 13.1 | 5:29 | 6:35 |
| 7 | 13.1 | 5:29 | 6:35 |
| 8 | 13.1 | 5:29 | 6:35 |
| 9 | 13.1 | 5:30 | 6:35 |
| 10 | 13.1 | 5:30 | 6:35 |
| 11 | 13.1 | 5:30 | 6:35 |
| 12 | 13.1 | 5:31 | 6:35 |
| 13 | 13.1 | 5:31 | 6:35 |
| 14 | 13.1 | 5:31 | 6:35 |
| 15 | 13.0 | 5:32 | 6:35 |
| 16 | 13.0 | 5:32 | 6:34 |
| 17 | 13.0 | 5:32 | 6:34 |
| 18 | 13.0 | 5:33 | 6:34 |
| 19 | 13.0 | 5:33 | 6:34 |
| 20 | 13.0 | 5:33 | 6:34 |
| 21 | 13.0 | 5:34 | 6:33 |
| 22 | 13.0 | 5:34 | 6:33 |
| 23 | 13.0 | 5:35 | 6:33 |
| 24 | 13.0 | 5:35 | 6:33 |
| 25 | 13.0 | 5:35 | 6:32 |
| 26 | 12.9 | 5:36 | 6:32 |
| 27 | 12.9 | 5:36 | 6:32 |
| 28 | 12.9 | 5:36 | 6:31 |
| 29 | 12.9 | 5:37 | 6:31 |
| 30 | 12.9 | 5:37 | 6:31 |
| 31 | 12.9 | 5:37 | 6:30 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 5.47 kWh/m².
For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 5.73 kWh/m² in June across the year — July's 5.47 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) | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.6 | 5.6 | 5.6 | 5.6 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 |
| Level | 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 | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.7 | Bright |
| 2 | 5.7 | Bright |
| 3 | 5.7 | Bright |
| 4 | 5.7 | Bright |
| 5 | 5.7 | Bright |
| 6 | 5.7 | Bright |
| 7 | 5.7 | Bright |
| 8 | 5.7 | Bright |
| 9 | 5.7 | Bright |
| 10 | 5.7 | Bright |
| 11 | 5.6 | Bright |
| 12 | 5.6 | Bright |
| 13 | 5.6 | Bright |
| 14 | 5.6 | Bright |
| 15 | 5.5 | Bright |
| 16 | 5.5 | Bright |
| 17 | 5.5 | Bright |
| 18 | 5.4 | Bright |
| 19 | 5.4 | Bright |
| 20 | 5.4 | Bright |
| 21 | 5.3 | Bright |
| 22 | 5.3 | Bright |
| 23 | 5.3 | Bright |
| 24 | 5.3 | Bright |
| 25 | 5.2 | Bright |
| 26 | 5.2 | Bright |
| 27 | 5.2 | Bright |
| 28 | 5.2 | Bright |
| 29 | 5.2 | Bright |
| 30 | 5.2 | Bright |
| 31 | 5.2 | Bright |
Hazard calendar for Diễn Thành
In July, Diễn Thành sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.
Diễn Thành sits in the Pacific typhoon belt; the season peaks July–October.
Diễn Thành's monsoon runs July–October, when most of the year's rain falls.
Is July a good time to visit Diễn Thành?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a weaker month for outdoor sightseeing in Diễn Thành.
What to pack for Diễn Thành in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Diễn Thành sees daytime highs around 34°C and nights near 28°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.
Sea temperature near Diễn Thành in July
The nearest coast averages about 30°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 30°C and coldest in February near 21°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 | 21 | 22 | 24 | 28 | 30 | 30 | 30 | 30 | 28 | 26 | 23 |
| Comfort | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 21 | Refreshing |
| Feb | 21 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 24 | Warm |
| May | 28 | Warm |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 28 | Warm |
| Nov | 26 | Warm |
| Dec | 23 | Refreshing |
UV index in Diễn Thành in July
Clear-sky midday UV in July 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 Diễn Thành peaks around July 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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) | 8 | 9 | 10 | 9 | 11 | 12 | 12 | 12 | 11 | 10 | 7 | 6 |
| Level | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 9 | Very high |
| Mar | 10 | Very high |
| Apr | 9 | Very high |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Diễn Thành in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in Diễn Thành is worst in April — around 62 µg/m³ PM2.5 (unhealthy), about 3.5× the cleanest month (July, 18 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) | 52 | 52 | 57 | 62 | 35 | 20 | 18 | 21 | 30 | 41 | 47 | 52 |
| Level | Poor | Poor | Unhealthy | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 52 | Poor |
| Feb | 52 | Poor |
| Mar | 57 | Unhealthy |
| Apr | 62 | Unhealthy |
| May | 35 | Poor |
| Jun | 20 | Moderate |
| Jul | 18 | Moderate |
| Aug | 21 | Moderate |
| Sep | 30 | Moderate |
| Oct | 41 | Poor |
| Nov | 47 | Poor |
| Dec | 52 | Poor |
Where is Diễn Thành?
Diễn Thành sits at 19.0°N, 105.6°E, 9 m above sea level, in Vietnam. The nearest listed city is Kim Liên, 32 km away.
Topography around Diễn Thành
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Diễn Thành.
Within 3 km, the terrain around Diễn Thành has only modest variations in elevation — a maximum elevation change of 12 m around an average of 3 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 430 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,711 m.
The land around Diễn Thành is covered by cropland (44%) and artificial surfaces (21%) within 3 km, water (35%), cropland (33%) and trees (20%) within 16 km, and trees (54%) and water (28%) 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 Diễn Thành (18.9765°, 105.6003°, elevation 9 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).