Cờ Đỏ weather in December
In December, Cờ Đỏ sees average daytime highs of 30°C and overnight lows near 23°C, with 68 mm of rain across 9.3 wet days and about 11.4 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 16% of the time in December, and the air most often feels oppressive.
Daylight stretches from about 11 h 30 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Cờ Đỏ's 5th-clearest and 8th-windiest month. For the whole year in context, see Cờ Đỏ's year-round climate.
- Daytime high
- 30°
- 11th warmest
- Overnight low
- 23°
- 3rd coldest
- Rainfall
- 68 mm
- 9.3 wet days
- Daylight
- 11 h 24 min
- 6:12 AM – 5:37 PM
- Cloud cover
- 71%
- 5th clearest
- Wind
- 8 km/h
- 8th windiest
- Solar energy
- 4.49 kWh/m²
- Travel score
- 4.8
- out of 10
Temperature in December
Day-to-day highs hold fairly steady near 30°C through the month.
A typical December day in Cờ Đỏ reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.
| 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) | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 24 |
| 2 | 31 | 24 |
| 3 | 31 | 24 |
| 4 | 31 | 24 |
| 5 | 31 | 24 |
| 6 | 30 | 24 |
| 7 | 30 | 24 |
| 8 | 30 | 24 |
| 9 | 30 | 24 |
| 10 | 30 | 23 |
| 11 | 30 | 23 |
| 12 | 30 | 23 |
| 13 | 30 | 23 |
| 14 | 30 | 23 |
| 15 | 30 | 23 |
| 16 | 30 | 23 |
| 17 | 30 | 23 |
| 18 | 30 | 23 |
| 19 | 30 | 23 |
| 20 | 30 | 23 |
| 21 | 30 | 23 |
| 22 | 30 | 23 |
| 23 | 30 | 23 |
| 24 | 30 | 23 |
| 25 | 30 | 23 |
| 26 | 30 | 23 |
| 27 | 30 | 23 |
| 28 | 30 | 23 |
| 29 | 30 | 23 |
| 30 | 30 | 23 |
| 31 | 30 | 23 |
How December really feels in Cờ Đỏ
Once humidity and wind are folded in, December 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Cờ Đỏ weather by month
How December compares with the rest of the year at a glance. December is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 23° | 27 | 4.4 | 11.5 | 5.5 |
| Feb | 31° / 23° | 13 | 2.3 | 11.7 | 5.0 |
| Mar | 33° / 25° | 39 | 5.9 | 11.9 | 3.7 |
| Apr | 34° / 26° | 85 | 12.5 | 12.2 | 2.8 |
| May | 33° / 26° | 207 | 25.5 | 12.5 | 2.2 |
| Jun | 31° / 25° | 245 | 27.3 | 12.6 | 2.4 |
| Jul | 31° / 25° | 254 | 28.3 | 12.5 | 2.6 |
| Aug | 31° / 25° | 248 | 28.7 | 12.3 | 2.5 |
| Sep | 31° / 25° | 275 | 28 | 12.1 | 2.4 |
| Oct | 31° / 25° | 293 | 27.6 | 11.8 | 2.5 |
| Nov | 31° / 24° | 142 | 17.7 | 11.5 | 3.5 |
| Dec | 30° / 23° | 68 | 9.3 | 11.4 | 4.8 |
Cloud cover in December
The sky is clear or mostly clear about 16% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 68%.
| 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 (%) | 29 | 29 | 29 | 30 | 30 | 30 | 31 | 31 | 32 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 33 | 34 | 34 | 36 | 35 |
| Cloudier (%) | 71 | 71 | 71 | 70 | 70 | 70 | 69 | 69 | 68 | 67 | 67 | 67 | 67 | 68 | 68 | 68 | 68 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 68 | 68 | 67 | 66 | 66 | 64 | 65 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 29 | 71 |
| 2 | 29 | 71 |
| 3 | 29 | 71 |
| 4 | 30 | 70 |
| 5 | 30 | 70 |
| 6 | 30 | 70 |
| 7 | 31 | 69 |
| 8 | 31 | 69 |
| 9 | 32 | 68 |
| 10 | 33 | 67 |
| 11 | 33 | 67 |
| 12 | 33 | 67 |
| 13 | 33 | 67 |
| 14 | 32 | 68 |
| 15 | 32 | 68 |
| 16 | 32 | 68 |
| 17 | 32 | 68 |
| 18 | 31 | 69 |
| 19 | 31 | 69 |
| 20 | 31 | 69 |
| 21 | 31 | 69 |
| 22 | 31 | 69 |
| 23 | 31 | 69 |
| 24 | 31 | 69 |
| 25 | 32 | 68 |
| 26 | 32 | 68 |
| 27 | 33 | 67 |
| 28 | 34 | 66 |
| 29 | 34 | 66 |
| 30 | 36 | 64 |
| 31 | 35 | 65 |
Chance of precipitation in December
Cờ Đỏ gets around 68 mm of rain over 9.3 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 31% and peaks near 44% on the wettest days. The odds ease 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 (%) | 44 | 43 | 41 | 40 | 39 | 37 | 36 | 36 | 35 | 34 | 33 | 32 | 32 | 31 | 30 | 30 | 29 | 28 | 28 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 21 |
| Rain chance (%) | |
|---|---|
| 1 | 44 |
| 2 | 43 |
| 3 | 41 |
| 4 | 40 |
| 5 | 39 |
| 6 | 37 |
| 7 | 36 |
| 8 | 36 |
| 9 | 35 |
| 10 | 34 |
| 11 | 33 |
| 12 | 32 |
| 13 | 32 |
| 14 | 31 |
| 15 | 30 |
| 16 | 30 |
| 17 | 29 |
| 18 | 28 |
| 19 | 28 |
| 20 | 27 |
| 21 | 26 |
| 22 | 26 |
| 23 | 25 |
| 24 | 25 |
| 25 | 24 |
| 26 | 24 |
| 27 | 23 |
| 28 | 23 |
| 29 | 22 |
| 30 | 22 |
| 31 | 21 |
Humidity in December
Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the oppressive band about 59% of days. Sticky, muggy-or-worse air turns up on roughly 95% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Humid (%) | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 4 | 4 |
| Muggy (%) | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 18 | 18 | 19 | 20 | 21 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Oppressive (%) | 57 | 57 | 57 | 59 | 60 | 61 | 61 | 62 | 62 | 62 | 64 | 63 | 62 | 61 | 62 | 61 | 60 | 60 | 59 | 59 | 57 | 57 | 56 | 57 | 57 | 57 | 58 | 58 | 58 | 60 | 60 |
| Miserable (%) | 28 | 27 | 26 | 24 | 23 | 21 | 20 | 19 | 18 | 17 | 15 | 14 | 14 | 13 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 1 | 14 | 57 | 28 |
| 2 | 0 | 2 | 14 | 57 | 27 |
| 3 | 0 | 2 | 15 | 57 | 26 |
| 4 | 0 | 2 | 15 | 59 | 24 |
| 5 | 0 | 2 | 15 | 60 | 23 |
| 6 | 0 | 2 | 16 | 61 | 21 |
| 7 | 0 | 3 | 16 | 61 | 20 |
| 8 | 0 | 3 | 16 | 62 | 19 |
| 9 | 0 | 3 | 17 | 62 | 18 |
| 10 | 0 | 3 | 18 | 62 | 17 |
| 11 | 0 | 3 | 18 | 64 | 15 |
| 12 | 0 | 4 | 19 | 63 | 14 |
| 13 | 0 | 4 | 20 | 62 | 14 |
| 14 | 1 | 4 | 21 | 61 | 13 |
| 15 | 1 | 4 | 21 | 62 | 12 |
| 16 | 1 | 5 | 22 | 61 | 11 |
| 17 | 1 | 5 | 23 | 60 | 11 |
| 18 | 1 | 5 | 24 | 60 | 10 |
| 19 | 1 | 5 | 25 | 59 | 10 |
| 20 | 1 | 5 | 26 | 59 | 9 |
| 21 | 1 | 6 | 27 | 57 | 9 |
| 22 | 1 | 6 | 28 | 57 | 8 |
| 23 | 1 | 6 | 29 | 56 | 8 |
| 24 | 1 | 6 | 29 | 57 | 7 |
| 25 | 1 | 5 | 30 | 57 | 7 |
| 26 | 1 | 5 | 30 | 57 | 7 |
| 27 | 1 | 5 | 30 | 58 | 6 |
| 28 | 1 | 5 | 30 | 58 | 6 |
| 29 | 1 | 5 | 30 | 58 | 6 |
| 30 | 1 | 4 | 30 | 60 | 5 |
| 31 | 1 | 4 | 30 | 60 | 5 |
Wind in December
Winds average 8 km/h in December.
Across December, daily wind ranges from about 8 km/h on the calmest days to 9 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 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 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 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | 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 December
Daylight runs from about 11 h 30 min at the start of December to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over December. Sunrise moves from 6:04 AM to 6:19 AM, and sunset from 5:32 PM to 5:44 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) | 11.5 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 |
| Sunrise (AM) | 6:04 | 6:05 | 6:05 | 6:06 | 6:06 | 6:07 | 6:07 | 6:08 | 6:09 | 6:09 | 6:10 | 6:10 | 6:11 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:14 | 6:15 | 6:15 | 6:16 | 6:16 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:19 |
| Sunset (PM) | 5:32 | 5:32 | 5:32 | 5:32 | 5:33 | 5:33 | 5:33 | 5:34 | 5:34 | 5:34 | 5:35 | 5:35 | 5:36 | 5:36 | 5:36 | 5:37 | 5:37 | 5:38 | 5:38 | 5:39 | 5:39 | 5:40 | 5:40 | 5:41 | 5:41 | 5:41 | 5:42 | 5:42 | 5:43 | 5:43 | 5:44 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.5 | 6:04 | 5:32 |
| 2 | 11.4 | 6:05 | 5:32 |
| 3 | 11.4 | 6:05 | 5:32 |
| 4 | 11.4 | 6:06 | 5:32 |
| 5 | 11.4 | 6:06 | 5:33 |
| 6 | 11.4 | 6:07 | 5:33 |
| 7 | 11.4 | 6:07 | 5:33 |
| 8 | 11.4 | 6:08 | 5:34 |
| 9 | 11.4 | 6:09 | 5:34 |
| 10 | 11.4 | 6:09 | 5:34 |
| 11 | 11.4 | 6:10 | 5:35 |
| 12 | 11.4 | 6:10 | 5:35 |
| 13 | 11.4 | 6:11 | 5:36 |
| 14 | 11.4 | 6:11 | 5:36 |
| 15 | 11.4 | 6:12 | 5:36 |
| 16 | 11.4 | 6:12 | 5:37 |
| 17 | 11.4 | 6:13 | 5:37 |
| 18 | 11.4 | 6:13 | 5:38 |
| 19 | 11.4 | 6:14 | 5:38 |
| 20 | 11.4 | 6:14 | 5:39 |
| 21 | 11.4 | 6:14 | 5:39 |
| 22 | 11.4 | 6:15 | 5:40 |
| 23 | 11.4 | 6:15 | 5:40 |
| 24 | 11.4 | 6:16 | 5:41 |
| 25 | 11.4 | 6:16 | 5:41 |
| 26 | 11.4 | 6:17 | 5:41 |
| 27 | 11.4 | 6:17 | 5:42 |
| 28 | 11.4 | 6:18 | 5:42 |
| 29 | 11.4 | 6:18 | 5:43 |
| 30 | 11.4 | 6:19 | 5:43 |
| 31 | 11.4 | 6:19 | 5:44 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.49 kWh/m².
For context, solar energy here swings from a low near 4.17 kWh/m² to a high of 5.97 kWh/m² in March across the year — December's 4.49 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 |
| 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 | 4.4 | Bright |
| 2 | 4.4 | Bright |
| 3 | 4.4 | Bright |
| 4 | 4.4 | Bright |
| 5 | 4.4 | Bright |
| 6 | 4.4 | Bright |
| 7 | 4.4 | Bright |
| 8 | 4.4 | Bright |
| 9 | 4.5 | Bright |
| 10 | 4.5 | Bright |
| 11 | 4.5 | Bright |
| 12 | 4.5 | Bright |
| 13 | 4.5 | Bright |
| 14 | 4.5 | Bright |
| 15 | 4.5 | Bright |
| 16 | 4.5 | Bright |
| 17 | 4.5 | Bright |
| 18 | 4.5 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.5 | Bright |
| 21 | 4.5 | Bright |
| 22 | 4.5 | Bright |
| 23 | 4.5 | Bright |
| 24 | 4.5 | Bright |
| 25 | 4.6 | Bright |
| 26 | 4.6 | Bright |
| 27 | 4.6 | Bright |
| 28 | 4.6 | Bright |
| 29 | 4.6 | Bright |
| 30 | 4.6 | Bright |
| 31 | 4.6 | Bright |
Hazard calendar for Cờ Đỏ
In December, Cờ Đỏ sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Cờ Đỏ sits in the Pacific typhoon belt; the season peaks July–October.
Cờ Đỏ's rainy season runs May–November, when most of the year's rain falls.
Is December a good time to visit Cờ Đỏ?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit Cờ Đỏ for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Cờ Đỏ in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Cờ Đỏ sees daytime highs around 30°C and nights near 23°C. Pack light clothes. Worth having: rain gear. About 9 days see rain.
Sea temperature near Cờ Đỏ in December
The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 61 km away) is warmest in May at about 31°C and coldest in January near 27°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) | 27 | 28 | 29 | 30 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Warm |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 31 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Cờ Đỏ in December
Clear-sky midday UV in December peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Cờ Đỏ peaks around September 9 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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) | 9 | 12 | 13 | 12 | 12 | 11 | 12 | 13 | 13 | 9 | 9 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | 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 Cờ Đỏ in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Cờ Đỏ is worst in December — around 57 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (August, 27 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) | 51 | 40 | 38 | 39 | 37 | 32 | 30 | 27 | 35 | 49 | 53 | 57 |
| Level | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Poor | Poor | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 51 | Poor |
| Feb | 40 | Poor |
| Mar | 38 | Poor |
| Apr | 39 | Poor |
| May | 37 | Poor |
| Jun | 32 | Moderate |
| Jul | 30 | Moderate |
| Aug | 27 | Moderate |
| Sep | 35 | Poor |
| Oct | 49 | Poor |
| Nov | 53 | Poor |
| Dec | 57 | Unhealthy |
Where is Cờ Đỏ?
Cờ Đỏ sits at 10.1°N, 105.4°E, 4 m above sea level, in Vietnam. The nearest listed city is Thới Lai, 15 km away.
Topography around Cờ Đỏ
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cờ Đỏ.
Within 3 km, the terrain around Cờ Đỏ has only modest variations in elevation — a maximum elevation change of 11 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 12 m; within 80 km, large variations in elevation — a maximum elevation change of 677 m.
The land around Cờ Đỏ is covered by cropland (80%) within 3 km, cropland (85%) within 16 km, and cropland (63%) and trees (21%) 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 Cờ Đỏ (10.0938°, 105.4292°, elevation 4 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).