Cổ Đô weather in November
In November, Cổ Đô sees average daytime highs of 25°C and overnight lows near 19°C, with 58 mm of rain across 7.5 wet days and about 11 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.
Highs ease over the month, from about 27°C in the first days to 23°C by the end. The sky is clear or mostly clear about 30% of the time in November, and the air most often feels humid.
Daylight stretches from about 11 h 12 min at the start of November to 10 h 48 min by month's end. Set against the rest of the year, November is Cổ Đô's 1st-clearest and 10th-windiest month. For the whole year in context, see Cổ Đô's year-round climate.
- Daytime high
- 25°
- 8th warmest
- Overnight low
- 19°
- 5th coldest
- Rainfall
- 58 mm
- 7.5 wet days
- Daylight
- 11 hours
- 6:15 AM – 5:13 PM
- Cloud cover
- 57%
- 1st clearest
- Wind
- 5 km/h
- 10th windiest
- Solar energy
- 3.13 kWh/m²
- Travel score
- 7.1
- out of 10
Temperature in November
Highs ease over the month, from about 27°C in the first days to 23°C by the end.
A typical November day in Cổ Đô reaches about 25°C in the afternoon and slips back to 19°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°C. Set against its neighbours, November runs about 3°C cooler than October and about 4°C warmer than December.
| 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) | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 |
| Avg low (°C) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 20 |
| 2 | 27 | 20 |
| 3 | 27 | 20 |
| 4 | 27 | 20 |
| 5 | 27 | 20 |
| 6 | 26 | 20 |
| 7 | 26 | 20 |
| 8 | 26 | 20 |
| 9 | 26 | 19 |
| 10 | 26 | 19 |
| 11 | 26 | 19 |
| 12 | 26 | 19 |
| 13 | 26 | 19 |
| 14 | 26 | 19 |
| 15 | 25 | 19 |
| 16 | 25 | 19 |
| 17 | 25 | 19 |
| 18 | 25 | 19 |
| 19 | 25 | 18 |
| 20 | 25 | 18 |
| 21 | 24 | 18 |
| 22 | 24 | 18 |
| 23 | 24 | 18 |
| 24 | 24 | 18 |
| 25 | 24 | 18 |
| 26 | 24 | 18 |
| 27 | 24 | 17 |
| 28 | 23 | 17 |
| 29 | 23 | 17 |
| 30 | 23 | 17 |
How November really feels in Cổ Đô
Once humidity and wind are folded in, November averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
November sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Cổ Đô weather by month
How November compares with the rest of the year at a glance. November is the 8th-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 | 19° / 14° | 45 | 9.1 | 10.8 | 6.0 |
| Feb | 21° / 15° | 34 | 8.5 | 11.3 | 6.3 |
| Mar | 24° / 18° | 61 | 11.6 | 11.8 | 6.3 |
| Apr | 29° / 22° | 103 | 12.2 | 12.5 | 5.2 |
| May | 31° / 25° | 230 | 17.9 | 13 | 3.4 |
| Jun | 33° / 26° | 238 | 19.1 | 13.3 | 2.6 |
| Jul | 33° / 26° | 291 | 20.9 | 13.2 | 2.6 |
| Aug | 32° / 26° | 354 | 22.5 | 12.7 | 2.7 |
| Sep | 31° / 25° | 230 | 18.8 | 12.1 | 3.5 |
| Oct | 29° / 22° | 119 | 11.6 | 11.5 | 5.6 |
| Nov | 25° / 19° | 58 | 7.5 | 11 | 7.1 |
| Dec | 21° / 15° | 38 | 7.6 | 10.7 | 6.8 |
Cloud cover in November
The sky is clear or mostly clear about 30% of the time in November, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 20% of November, with mostly cloudy or overcast conditions the remaining 50%. 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 52 | 52 | 52 | 53 | 53 | 53 | 54 | 54 | 54 | 53 | 53 | 53 | 53 | 52 | 52 | 52 | 51 | 51 | 51 | 50 | 50 | 49 | 49 | 47 | 47 | 46 | 46 | 45 | 45 | 45 |
| Cloudier (%) | 48 | 48 | 48 | 47 | 47 | 47 | 46 | 46 | 46 | 47 | 47 | 47 | 47 | 48 | 48 | 48 | 49 | 49 | 49 | 50 | 50 | 51 | 51 | 53 | 53 | 54 | 54 | 55 | 55 | 55 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 52 | 48 |
| 2 | 52 | 48 |
| 3 | 52 | 48 |
| 4 | 53 | 47 |
| 5 | 53 | 47 |
| 6 | 53 | 47 |
| 7 | 54 | 46 |
| 8 | 54 | 46 |
| 9 | 54 | 46 |
| 10 | 53 | 47 |
| 11 | 53 | 47 |
| 12 | 53 | 47 |
| 13 | 53 | 47 |
| 14 | 52 | 48 |
| 15 | 52 | 48 |
| 16 | 52 | 48 |
| 17 | 51 | 49 |
| 18 | 51 | 49 |
| 19 | 51 | 49 |
| 20 | 50 | 50 |
| 21 | 50 | 50 |
| 22 | 49 | 51 |
| 23 | 49 | 51 |
| 24 | 47 | 53 |
| 25 | 47 | 53 |
| 26 | 46 | 54 |
| 27 | 46 | 54 |
| 28 | 45 | 55 |
| 29 | 45 | 55 |
| 30 | 45 | 55 |
Chance of precipitation in November
Cổ Đô gets around 58 mm of rain over 7.5 wet days in November. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 26% and peaks near 27% on the wettest days.
| 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 (%) | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 25 |
| Rain chance (%) | |
|---|---|
| 1 | 27 |
| 2 | 27 |
| 3 | 26 |
| 4 | 26 |
| 5 | 25 |
| 6 | 25 |
| 7 | 24 |
| 8 | 24 |
| 9 | 24 |
| 10 | 24 |
| 11 | 25 |
| 12 | 25 |
| 13 | 25 |
| 14 | 26 |
| 15 | 26 |
| 16 | 26 |
| 17 | 27 |
| 18 | 27 |
| 19 | 27 |
| 20 | 27 |
| 21 | 27 |
| 22 | 27 |
| 23 | 27 |
| 24 | 26 |
| 25 | 26 |
| 26 | 26 |
| 27 | 26 |
| 28 | 25 |
| 29 | 25 |
| 30 | 25 |
Humidity in November
Most of November feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, November lands in the humid band about 26% of days. Sticky, muggy-or-worse air turns up on roughly 48% 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 (%) | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 5 | 6 | 6 | 7 | 8 | 9 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 14 | 14 | 15 | 16 | 16 | 17 | 18 |
| Comfortable (%) | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 17 | 18 | 18 | 19 | 19 | 20 | 20 | 21 | 21 | 22 | 23 | 23 | 24 | 25 |
| Humid (%) | 23 | 24 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 30 |
| Muggy (%) | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 24 | 23 | 22 | 21 | 20 |
| Oppressive (%) | 31 | 30 | 29 | 28 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 23 | 22 | 21 | 19 | 18 | 17 | 16 | 14 | 13 | 12 | 11 | 10 | 9 | 9 | 8 | 7 |
| Miserable (%) | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 1 | 13 | 23 | 29 | 31 | 3 |
| 2 | 1 | 14 | 24 | 29 | 30 | 3 |
| 3 | 1 | 14 | 25 | 28 | 29 | 3 |
| 4 | 1 | 15 | 26 | 28 | 28 | 3 |
| 5 | 2 | 15 | 26 | 28 | 27 | 2 |
| 6 | 2 | 15 | 26 | 28 | 26 | 2 |
| 7 | 2 | 15 | 26 | 28 | 26 | 2 |
| 8 | 3 | 15 | 26 | 28 | 25 | 2 |
| 9 | 3 | 15 | 26 | 28 | 25 | 2 |
| 10 | 4 | 15 | 26 | 28 | 25 | 2 |
| 11 | 5 | 15 | 26 | 28 | 25 | 1 |
| 12 | 6 | 15 | 26 | 28 | 25 | 1 |
| 13 | 6 | 15 | 26 | 28 | 24 | 1 |
| 14 | 7 | 15 | 25 | 28 | 24 | 1 |
| 15 | 8 | 16 | 25 | 27 | 23 | 1 |
| 16 | 9 | 16 | 25 | 27 | 22 | 1 |
| 17 | 9 | 17 | 25 | 27 | 21 | 1 |
| 18 | 10 | 18 | 25 | 27 | 19 | 1 |
| 19 | 11 | 18 | 25 | 27 | 18 | 1 |
| 20 | 11 | 19 | 26 | 27 | 17 | 0 |
| 21 | 12 | 19 | 26 | 26 | 16 | 0 |
| 22 | 13 | 20 | 27 | 26 | 14 | 0 |
| 23 | 13 | 20 | 28 | 26 | 13 | 0 |
| 24 | 14 | 21 | 28 | 25 | 12 | 0 |
| 25 | 14 | 21 | 29 | 25 | 11 | 0 |
| 26 | 15 | 22 | 29 | 24 | 10 | 0 |
| 27 | 16 | 23 | 29 | 23 | 9 | 0 |
| 28 | 16 | 23 | 30 | 22 | 9 | 0 |
| 29 | 17 | 24 | 30 | 21 | 8 | 0 |
| 30 | 18 | 25 | 30 | 20 | 7 | 0 |
Wind in November
Winds average 5 km/h in November.
Across November, daily wind ranges from about 4 km/h on the calmest days to 5 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) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| 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 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
Sunrise & sunset in November
Daylight runs from about 11 h 12 min at the start of November to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 24 minutes over November. Sunrise moves from 6:06 AM to 6:24 AM, and sunset from 5:18 PM to 5:12 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) | 11.2 | 11.2 | 11.2 | 11.2 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 |
| Sunrise (AM) | 6:06 | 6:07 | 6:07 | 6:08 | 6:08 | 6:09 | 6:09 | 6:10 | 6:11 | 6:11 | 6:12 | 6:12 | 6:13 | 6:14 | 6:14 | 6:15 | 6:15 | 6:16 | 6:17 | 6:17 | 6:18 | 6:19 | 6:19 | 6:20 | 6:21 | 6:21 | 6:22 | 6:22 | 6:23 | 6:24 |
| Sunset (PM) | 5:18 | 5:18 | 5:17 | 5:17 | 5:16 | 5:16 | 5:15 | 5:15 | 5:15 | 5:14 | 5:14 | 5:14 | 5:14 | 5:13 | 5:13 | 5:13 | 5:13 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.2 | 6:06 | 5:18 |
| 2 | 11.2 | 6:07 | 5:18 |
| 3 | 11.2 | 6:07 | 5:17 |
| 4 | 11.2 | 6:08 | 5:17 |
| 5 | 11.1 | 6:08 | 5:16 |
| 6 | 11.1 | 6:09 | 5:16 |
| 7 | 11.1 | 6:09 | 5:15 |
| 8 | 11.1 | 6:10 | 5:15 |
| 9 | 11.1 | 6:11 | 5:15 |
| 10 | 11.1 | 6:11 | 5:14 |
| 11 | 11.0 | 6:12 | 5:14 |
| 12 | 11.0 | 6:12 | 5:14 |
| 13 | 11.0 | 6:13 | 5:14 |
| 14 | 11.0 | 6:14 | 5:13 |
| 15 | 11.0 | 6:14 | 5:13 |
| 16 | 11.0 | 6:15 | 5:13 |
| 17 | 11.0 | 6:15 | 5:13 |
| 18 | 10.9 | 6:16 | 5:12 |
| 19 | 10.9 | 6:17 | 5:12 |
| 20 | 10.9 | 6:17 | 5:12 |
| 21 | 10.9 | 6:18 | 5:12 |
| 22 | 10.9 | 6:19 | 5:12 |
| 23 | 10.9 | 6:19 | 5:12 |
| 24 | 10.9 | 6:20 | 5:12 |
| 25 | 10.9 | 6:21 | 5:12 |
| 26 | 10.8 | 6:21 | 5:12 |
| 27 | 10.8 | 6:22 | 5:12 |
| 28 | 10.8 | 6:22 | 5:12 |
| 29 | 10.8 | 6:23 | 5:12 |
| 30 | 10.8 | 6:24 | 5:12 |
Solar energy in November
Average shortwave solar energy reaching the ground each day in November, about 3.13 kWh/m².
For context, solar energy here swings from a low near 2.16 kWh/m² to a high of 4.77 kWh/m² in June across the year — November's 3.13 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) | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.4 | 3.4 | 3.4 | 3.3 | 3.3 | 3.3 | 3.2 | 3.2 | 3.2 | 3.1 | 3.1 | 3.0 | 3.0 | 3.0 | 2.9 | 2.9 | 2.9 | 2.9 | 2.8 | 2.8 | 2.8 | 2.7 | 2.7 | 2.7 | 2.7 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.5 | Moderate |
| 2 | 3.5 | Moderate |
| 3 | 3.5 | Moderate |
| 4 | 3.5 | Moderate |
| 5 | 3.5 | Moderate |
| 6 | 3.4 | Moderate |
| 7 | 3.4 | Moderate |
| 8 | 3.4 | Moderate |
| 9 | 3.3 | Moderate |
| 10 | 3.3 | Moderate |
| 11 | 3.3 | Moderate |
| 12 | 3.2 | Moderate |
| 13 | 3.2 | Moderate |
| 14 | 3.2 | Moderate |
| 15 | 3.1 | Moderate |
| 16 | 3.1 | Moderate |
| 17 | 3.0 | Moderate |
| 18 | 3.0 | Moderate |
| 19 | 3.0 | Moderate |
| 20 | 2.9 | Moderate |
| 21 | 2.9 | Moderate |
| 22 | 2.9 | Moderate |
| 23 | 2.9 | Moderate |
| 24 | 2.8 | Moderate |
| 25 | 2.8 | Moderate |
| 26 | 2.8 | Moderate |
| 27 | 2.7 | Moderate |
| 28 | 2.7 | Moderate |
| 29 | 2.7 | Moderate |
| 30 | 2.7 | Moderate |
Hazard calendar for Cổ Đô
In November, Cổ Đô sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Cổ Đô sits in the Pacific typhoon belt; the season peaks July–October.
Cổ Đô's monsoon runs May–September, when most of the year's rain falls.
Is November a good time to visit Cổ Đô?
Our two travel scores rate November for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
November is one of the better times to visit Cổ Đô for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Cổ Đô in November
From November's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In November, Cổ Đô sees daytime highs around 25°C and nights near 19°C. Worth packing: light clothes. About 8 days see rain.
UV index in Cổ Đô in November
Clear-sky midday UV in November peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Cổ Đô peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 at about 5 (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) | 6 | 7 | 8 | 6 | 8 | 12 | 11 | 11 | 6 | 7 | 5 | 6 |
| Level | High | High | Very high | High | Very high | Extreme | Extreme | Extreme | High | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 7 | High |
| Mar | 8 | Very high |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 6 | High |
| Oct | 7 | Very high |
| Nov | 5 | High |
| Dec | 6 | High |
Air quality in Cổ Đô in November
Average fine-particle pollution (PM2.5) through the year — so you can see where November falls, not just the annual average.
Air quality in Cổ Đô is worst in April — around 98 µg/m³ PM2.5 (unhealthy), about 3.8× the cleanest month (July, 26 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) | 76 | 71 | 76 | 98 | 57 | 32 | 26 | 28 | 39 | 53 | 66 | 77 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Moderate | Moderate | Moderate | Poor | Poor | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 76 | Unhealthy |
| Feb | 71 | Unhealthy |
| Mar | 76 | Unhealthy |
| Apr | 98 | Unhealthy |
| May | 57 | Unhealthy |
| Jun | 32 | Moderate |
| Jul | 26 | Moderate |
| Aug | 28 | Moderate |
| Sep | 39 | Poor |
| Oct | 53 | Poor |
| Nov | 66 | Unhealthy |
| Dec | 77 | Unhealthy |
Where is Cổ Đô?
Cổ Đô sits at 21.3°N, 105.4°E, 17 m above sea level, in Vietnam. The nearest listed city is Việt Trì, 6.0 km away.
Topography around Cổ Đô
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cổ Đô.
Within 3 km, the terrain around Cổ Đô has only modest variations in elevation — a maximum elevation change of 22 m around an average of 13 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 333 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,211 m.
The land around Cổ Đô is covered by cropland (39%) within 3 km, trees (42%) and cropland (33%) within 16 km, and trees (72%) 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 Cổ Đô (21.2796°, 105.364°, elevation 17 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).