Sầm Sơn weather in November
In November, Sầm Sơn sees average daytime highs of 24°C and overnight lows near 22°C, with 82 mm of rain across 9.9 wet days and about 11.1 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.
Highs ease over the month, from about 25°C in the first days to 23°C by the end. The sky is clear or mostly clear about 41% of the time in November, and the air most often feels oppressive.
Daylight stretches from about 11 h 18 min at the start of November to 10 h 54 min by month's end. Set against the rest of the year, November is Sầm Sơn's 1st-clearest and 4th-windiest month. For the whole year in context, see Sầm Sơn's year-round climate.
- Daytime high
- 24°
- 8th warmest
- Overnight low
- 22°
- 5th coldest
- Rainfall
- 82 mm
- 9.9 wet days
- Daylight
- 11 hours
- 6:10 AM – 5:13 PM
- Cloud cover
- 53%
- 1st clearest
- Wind
- 17 km/h
- 4th windiest
- Solar energy
- 3.39 kWh/m²
- Travel score
- 6.9
- out of 10
Sầm Sơn is city in Thanh Hóa province.
- Density
- 2,888/km²
- people per km²
- Founded
- 1981
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in November
Highs ease over the month, from about 25°C in the first days to 23°C by the end.
A typical November day in Sầm Sơn reaches about 24°C in the afternoon and slips back to 22°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°C. Set against its neighbours, November runs about 3°C cooler than October and about 3°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) | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 23 |
| 2 | 26 | 23 |
| 3 | 25 | 23 |
| 4 | 25 | 23 |
| 5 | 25 | 23 |
| 6 | 25 | 22 |
| 7 | 25 | 22 |
| 8 | 25 | 22 |
| 9 | 25 | 22 |
| 10 | 25 | 22 |
| 11 | 25 | 22 |
| 12 | 25 | 22 |
| 13 | 25 | 22 |
| 14 | 24 | 22 |
| 15 | 24 | 22 |
| 16 | 24 | 22 |
| 17 | 24 | 21 |
| 18 | 24 | 21 |
| 19 | 24 | 21 |
| 20 | 24 | 21 |
| 21 | 24 | 21 |
| 22 | 24 | 21 |
| 23 | 23 | 21 |
| 24 | 23 | 21 |
| 25 | 23 | 21 |
| 26 | 23 | 20 |
| 27 | 23 | 20 |
| 28 | 23 | 20 |
| 29 | 23 | 20 |
| 30 | 23 | 20 |
How November really feels in Sầm Sơn
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.
Sầm Sơn weather by month
How November compares with the rest of the year at a glance. November is the 8th-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 | 19° / 17° | 55 | 10.6 | 10.9 | 5.9 |
| Feb | 20° / 18° | 36 | 8.4 | 11.3 | 6.1 |
| Mar | 22° / 20° | 52 | 9.7 | 11.9 | 6.4 |
| Apr | 25° / 23° | 62 | 7.5 | 12.4 | 7.0 |
| May | 28° / 26° | 139 | 12.2 | 12.9 | 5.5 |
| Jun | 30° / 28° | 146 | 11 | 13.2 | 4.3 |
| Jul | 30° / 28° | 212 | 12.7 | 13.1 | 4.2 |
| Aug | 30° / 28° | 312 | 20.1 | 12.7 | 3.7 |
| Sep | 29° / 26° | 368 | 20.2 | 12.1 | 4.1 |
| Oct | 27° / 24° | 241 | 16.2 | 11.5 | 5.7 |
| Nov | 24° / 22° | 82 | 9.9 | 11.1 | 6.9 |
| Dec | 21° / 18° | 54 | 8.9 | 10.8 | 6.5 |
Cloud cover in November
The sky is clear or mostly clear about 41% of the time in November, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 16% of November, with mostly cloudy or overcast conditions the remaining 43%. 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 (%) | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 60 | 59 | 59 | 59 | 57 | 57 | 56 | 56 | 55 | 55 | 54 | 54 | 53 | 53 | 52 | 52 | 51 | 51 | 50 | 49 |
| Cloudier (%) | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 41 | 41 | 41 | 43 | 43 | 44 | 44 | 45 | 45 | 46 | 46 | 47 | 47 | 48 | 48 | 49 | 49 | 50 | 51 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 61 | 39 |
| 2 | 61 | 39 |
| 3 | 61 | 39 |
| 4 | 61 | 39 |
| 5 | 61 | 39 |
| 6 | 61 | 39 |
| 7 | 61 | 39 |
| 8 | 61 | 39 |
| 9 | 61 | 39 |
| 10 | 61 | 39 |
| 11 | 60 | 40 |
| 12 | 59 | 41 |
| 13 | 59 | 41 |
| 14 | 59 | 41 |
| 15 | 57 | 43 |
| 16 | 57 | 43 |
| 17 | 56 | 44 |
| 18 | 56 | 44 |
| 19 | 55 | 45 |
| 20 | 55 | 45 |
| 21 | 54 | 46 |
| 22 | 54 | 46 |
| 23 | 53 | 47 |
| 24 | 53 | 47 |
| 25 | 52 | 48 |
| 26 | 52 | 48 |
| 27 | 51 | 49 |
| 28 | 51 | 49 |
| 29 | 50 | 50 |
| 30 | 49 | 51 |
Chance of precipitation in November
Sầm Sơn gets around 82 mm of rain over 9.9 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 34% and peaks near 39% 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 (%) | 39 | 38 | 38 | 37 | 36 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 |
| Rain chance (%) | |
|---|---|
| 1 | 39 |
| 2 | 38 |
| 3 | 38 |
| 4 | 37 |
| 5 | 36 |
| 6 | 35 |
| 7 | 34 |
| 8 | 34 |
| 9 | 34 |
| 10 | 34 |
| 11 | 34 |
| 12 | 34 |
| 13 | 34 |
| 14 | 34 |
| 15 | 34 |
| 16 | 34 |
| 17 | 34 |
| 18 | 33 |
| 19 | 33 |
| 20 | 33 |
| 21 | 33 |
| 22 | 33 |
| 23 | 33 |
| 24 | 33 |
| 25 | 33 |
| 26 | 33 |
| 27 | 33 |
| 28 | 32 |
| 29 | 32 |
| 30 | 32 |
Humidity in November
Most of November feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, November lands in the oppressive band about 28% of days. Sticky, muggy-or-worse air turns up on roughly 56% 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 (%) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 12 | 12 | 13 | 14 | 14 | 15 |
| Comfortable (%) | 11 | 11 | 12 | 12 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 18 | 18 | 19 | 19 | 20 | 20 | 21 | 21 | 22 |
| Humid (%) | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 |
| Muggy (%) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 24 |
| Oppressive (%) | 37 | 37 | 35 | 34 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 30 | 30 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 19 | 18 | 17 | 16 | 15 |
| Miserable (%) | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 3 | 11 | 19 | 25 | 37 | 6 |
| 2 | 3 | 11 | 19 | 25 | 37 | 5 |
| 3 | 3 | 12 | 20 | 25 | 35 | 5 |
| 4 | 3 | 12 | 20 | 25 | 34 | 5 |
| 5 | 3 | 13 | 21 | 25 | 33 | 5 |
| 6 | 3 | 13 | 21 | 25 | 33 | 5 |
| 7 | 3 | 14 | 21 | 25 | 32 | 5 |
| 8 | 3 | 14 | 21 | 25 | 32 | 5 |
| 9 | 3 | 14 | 22 | 24 | 32 | 5 |
| 10 | 3 | 14 | 22 | 24 | 32 | 5 |
| 11 | 4 | 14 | 22 | 24 | 32 | 5 |
| 12 | 4 | 14 | 22 | 23 | 32 | 5 |
| 13 | 5 | 14 | 22 | 23 | 31 | 5 |
| 14 | 6 | 14 | 22 | 23 | 31 | 5 |
| 15 | 6 | 15 | 21 | 23 | 31 | 5 |
| 16 | 7 | 15 | 21 | 22 | 30 | 4 |
| 17 | 7 | 15 | 21 | 22 | 30 | 4 |
| 18 | 8 | 16 | 21 | 23 | 28 | 4 |
| 19 | 8 | 16 | 21 | 23 | 27 | 4 |
| 20 | 9 | 17 | 21 | 23 | 26 | 3 |
| 21 | 10 | 17 | 21 | 24 | 25 | 3 |
| 22 | 10 | 18 | 21 | 24 | 24 | 3 |
| 23 | 11 | 18 | 21 | 24 | 23 | 3 |
| 24 | 11 | 19 | 21 | 24 | 22 | 3 |
| 25 | 12 | 19 | 22 | 24 | 21 | 2 |
| 26 | 12 | 20 | 22 | 25 | 19 | 2 |
| 27 | 13 | 20 | 22 | 24 | 18 | 2 |
| 28 | 14 | 21 | 22 | 24 | 17 | 2 |
| 29 | 14 | 21 | 22 | 24 | 16 | 2 |
| 30 | 15 | 22 | 22 | 24 | 15 | 2 |
Wind in November
Winds average 17 km/h in November.
Across November, daily wind ranges from about 17 km/h on the calmest days to 18 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) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 17 | light breeze |
| 2 | 17 | light breeze |
| 3 | 17 | light breeze |
| 4 | 17 | light breeze |
| 5 | 17 | light breeze |
| 6 | 17 | light breeze |
| 7 | 17 | light breeze |
| 8 | 17 | light breeze |
| 9 | 17 | light breeze |
| 10 | 17 | light breeze |
| 11 | 17 | light breeze |
| 12 | 17 | light breeze |
| 13 | 17 | light breeze |
| 14 | 17 | light breeze |
| 15 | 17 | light breeze |
| 16 | 17 | light breeze |
| 17 | 17 | light breeze |
| 18 | 17 | light breeze |
| 19 | 17 | light breeze |
| 20 | 17 | light breeze |
| 21 | 17 | light breeze |
| 22 | 17 | light breeze |
| 23 | 17 | light breeze |
| 24 | 17 | light breeze |
| 25 | 17 | light breeze |
| 26 | 18 | light breeze |
| 27 | 18 | light breeze |
| 28 | 18 | light breeze |
| 29 | 18 | light breeze |
| 30 | 18 | light breeze |
Sunrise & sunset in November
Daylight runs from about 11 h 18 min at the start of November to 10 h 54 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 6:02 AM to 6:19 AM, and sunset from 5:18 PM to 5:13 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) | 11.3 | 11.3 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.1 | 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 | 11.0 | 11.0 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 |
| Sunrise (AM) | 6:02 | 6:02 | 6:03 | 6:03 | 6:04 | 6:05 | 6:05 | 6:06 | 6:06 | 6:07 | 6:07 | 6:08 | 6:08 | 6:09 | 6:10 | 6:10 | 6:11 | 6:11 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:15 | 6:16 | 6:16 | 6:17 | 6:18 | 6:18 | 6:19 |
| Sunset (PM) | 5:18 | 5:17 | 5:17 | 5:17 | 5:16 | 5:16 | 5:15 | 5:15 | 5:15 | 5:15 | 5:14 | 5:14 | 5:14 | 5:14 | 5:13 | 5:13 | 5:13 | 5:13 | 5:13 | 5:13 | 5:13 | 5:13 | 5:12 | 5:12 | 5:12 | 5:13 | 5:13 | 5:13 | 5:13 | 5:13 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.3 | 6:02 | 5:18 |
| 2 | 11.3 | 6:02 | 5:17 |
| 3 | 11.2 | 6:03 | 5:17 |
| 4 | 11.2 | 6:03 | 5:17 |
| 5 | 11.2 | 6:04 | 5:16 |
| 6 | 11.2 | 6:05 | 5:16 |
| 7 | 11.2 | 6:05 | 5:15 |
| 8 | 11.2 | 6:06 | 5:15 |
| 9 | 11.1 | 6:06 | 5:15 |
| 10 | 11.1 | 6:07 | 5:15 |
| 11 | 11.1 | 6:07 | 5:14 |
| 12 | 11.1 | 6:08 | 5:14 |
| 13 | 11.1 | 6:08 | 5:14 |
| 14 | 11.1 | 6:09 | 5:14 |
| 15 | 11.1 | 6:10 | 5:13 |
| 16 | 11.0 | 6:10 | 5:13 |
| 17 | 11.0 | 6:11 | 5:13 |
| 18 | 11.0 | 6:11 | 5:13 |
| 19 | 11.0 | 6:12 | 5:13 |
| 20 | 11.0 | 6:13 | 5:13 |
| 21 | 11.0 | 6:13 | 5:13 |
| 22 | 11.0 | 6:14 | 5:13 |
| 23 | 11.0 | 6:14 | 5:12 |
| 24 | 11.0 | 6:15 | 5:12 |
| 25 | 10.9 | 6:16 | 5:12 |
| 26 | 10.9 | 6:16 | 5:13 |
| 27 | 10.9 | 6:17 | 5:13 |
| 28 | 10.9 | 6:18 | 5:13 |
| 29 | 10.9 | 6:18 | 5:13 |
| 30 | 10.9 | 6:19 | 5:13 |
Solar energy in November
Average shortwave solar energy reaching the ground each day in November, about 3.39 kWh/m².
For context, solar energy here swings from a low near 2.6 kWh/m² to a high of 5.55 kWh/m² in May across the year — November's 3.39 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 | 3.8 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.7 | 3.6 | 3.6 | 3.5 | 3.5 | 3.5 | 3.4 | 3.4 | 3.3 | 3.3 | 3.3 | 3.2 | 3.2 | 3.2 | 3.1 | 3.1 | 3.1 | 3.1 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 |
| 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 | 3.8 | Moderate |
| 2 | 3.8 | Moderate |
| 3 | 3.8 | Moderate |
| 4 | 3.8 | Moderate |
| 5 | 3.8 | Moderate |
| 6 | 3.7 | Moderate |
| 7 | 3.7 | Moderate |
| 8 | 3.7 | Moderate |
| 9 | 3.6 | Moderate |
| 10 | 3.6 | Moderate |
| 11 | 3.5 | Moderate |
| 12 | 3.5 | Moderate |
| 13 | 3.5 | Moderate |
| 14 | 3.4 | Moderate |
| 15 | 3.4 | Moderate |
| 16 | 3.3 | Moderate |
| 17 | 3.3 | Moderate |
| 18 | 3.3 | Moderate |
| 19 | 3.2 | Moderate |
| 20 | 3.2 | Moderate |
| 21 | 3.2 | Moderate |
| 22 | 3.1 | Moderate |
| 23 | 3.1 | Moderate |
| 24 | 3.1 | Moderate |
| 25 | 3.1 | Moderate |
| 26 | 3.0 | Moderate |
| 27 | 3.0 | Moderate |
| 28 | 3.0 | Moderate |
| 29 | 3.0 | Moderate |
| 30 | 3.0 | Moderate |
Hazard calendar for Sầm Sơn
In November, Sầm Sơn sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Sầm Sơn sits in the Pacific typhoon belt; the season peaks July–October.
Sầm Sơn's monsoon runs July–October, when most of the year's rain falls.
Is November a good time to visit Sầm Sơn?
Our two travel scores rate November for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
November is a reasonable time to visit Sầm Sơn for sightseeing.
What to pack for Sầm Sơn in November
From November's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In November, Sầm Sơn sees daytime highs around 24°C and nights near 22°C. Worth packing: light clothes and rain gear. About 10 days see rain.
Sea temperature near Sầm Sơn in November
The nearest coast averages about 26°C in November — 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 | 21 | 24 | 28 | 29 | 30 | 30 | 30 | 28 | 26 | 23 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 21 | Refreshing |
| Feb | 21 | Refreshing |
| Mar | 21 | Refreshing |
| Apr | 24 | Refreshing |
| May | 28 | Warm |
| Jun | 29 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 28 | Warm |
| Nov | 26 | Warm |
| Dec | 23 | Refreshing |
UV index in Sầm Sơn in November
Clear-sky midday UV in November 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 Sầm Sơn peaks around August 11 at about 12 (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 | 9 | 10 | 9 | 10 | 12 | 12 | 13 | 10 | 9 | 7 | 6 |
| Level | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 9 | Very high |
| Mar | 10 | Very high |
| Apr | 9 | Very high |
| May | 10 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 10 | Very high |
| Oct | 9 | Very high |
| Nov | 7 | Very high |
| Dec | 6 | High |
Air quality in Sầm Sơn 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 Sầm Sơn is worst in April — around 65 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (July, 20 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) | 65 | 63 | 63 | 65 | 43 | 25 | 20 | 23 | 33 | 46 | 55 | 64 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 65 | Unhealthy |
| Feb | 63 | Unhealthy |
| Mar | 63 | Unhealthy |
| Apr | 65 | Unhealthy |
| May | 43 | Poor |
| Jun | 25 | Moderate |
| Jul | 20 | Moderate |
| Aug | 23 | Moderate |
| Sep | 33 | Moderate |
| Oct | 46 | Poor |
| Nov | 55 | Poor |
| Dec | 64 | Unhealthy |
Where is Sầm Sơn?
Sầm Sơn sits at 19.7°N, 105.9°E, 10 m above sea level, in Vietnam. The nearest listed city is Thanh Hóa, 16 km away.
Topography around Sầm Sơn
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sầm Sơn.
Within 3 km, the terrain around Sầm Sơn has only modest variations in elevation — a maximum elevation change of 78 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 176 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,500 m.
The land around Sầm Sơn is covered by water (58%) within 3 km, water (60%) within 16 km, and trees (39%), water (33%) and cropland (22%) 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 Sầm Sơn (19.7333°, 105.9°, elevation 10 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).