Thanh Hóa weather in March
In March, Thanh Hóa sees average daytime highs of 25°C and overnight lows near 19°C, with 33 mm of rain across 5.5 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.
Highs climb over the month, from about 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 14% of the time in March, and the air most often feels muggy.
Daylight stretches from about 11 h 36 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Thanh Hóa's 5th-clearest and 8th-windiest month. For the whole year in context, see Thanh Hóa's year-round climate.
- Daytime high
- 25°
- 9th warmest
- Overnight low
- 19°
- 4th coldest
- Rainfall
- 33 mm
- 5.5 wet days
- Daylight
- 11 h 54 min
- 6:11 AM – 6:02 PM
- Cloud cover
- 74%
- 5th clearest
- Wind
- 10 km/h
- 8th windiest
- Solar energy
- 3.63 kWh/m²
- Travel score
- 7.2
- out of 10
Thanh Hóa is capital city of Thanh Hóa province.
- Density
- 5,791/km²
- people per km²
- Founded
- 1994
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Highs climb over the month, from about 23°C in the first days to 26°C by the end.
A typical March day in Thanh Hóa reaches about 25°C in the afternoon and slips back to 19°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 29°C. Set against its neighbours, March runs about 3°C warmer than February and about 4°C cooler than 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) | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 23 | 18 |
| 2 | 23 | 18 |
| 3 | 23 | 18 |
| 4 | 23 | 18 |
| 5 | 23 | 18 |
| 6 | 24 | 18 |
| 7 | 24 | 18 |
| 8 | 24 | 18 |
| 9 | 24 | 19 |
| 10 | 24 | 19 |
| 11 | 24 | 19 |
| 12 | 24 | 19 |
| 13 | 24 | 19 |
| 14 | 24 | 19 |
| 15 | 24 | 19 |
| 16 | 24 | 19 |
| 17 | 25 | 19 |
| 18 | 25 | 20 |
| 19 | 25 | 20 |
| 20 | 25 | 20 |
| 21 | 25 | 20 |
| 22 | 25 | 20 |
| 23 | 25 | 20 |
| 24 | 25 | 20 |
| 25 | 25 | 20 |
| 26 | 26 | 20 |
| 27 | 26 | 20 |
| 28 | 26 | 21 |
| 29 | 26 | 21 |
| 30 | 26 | 21 |
| 31 | 26 | 21 |
How March really feels in Thanh Hóa
Once humidity and wind are folded in, March 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.
March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Thanh Hóa weather by month
How March compares with the rest of the year at a glance. March is the 9th-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 | 21° / 15° | 26 | 5.4 | 10.9 | 6.7 |
| Feb | 22° / 17° | 15 | 3.5 | 11.3 | 7.1 |
| Mar | 25° / 19° | 33 | 5.5 | 11.9 | 7.2 |
| Apr | 29° / 23° | 57 | 7.2 | 12.4 | 5.8 |
| May | 32° / 26° | 167 | 14.6 | 12.9 | 3.4 |
| Jun | 34° / 28° | 167 | 13.8 | 13.2 | 2.5 |
| Jul | 33° / 28° | 206 | 16.3 | 13.1 | 2.6 |
| Aug | 32° / 27° | 309 | 21.7 | 12.7 | 2.7 |
| Sep | 31° / 25° | 289 | 20.6 | 12.1 | 3.3 |
| Oct | 29° / 23° | 180 | 15.1 | 11.5 | 5.1 |
| Nov | 26° / 20° | 59 | 8.3 | 11.1 | 6.9 |
| Dec | 22° / 16° | 26 | 5.1 | 10.8 | 7.1 |
Cloud cover in March
The sky is clear or mostly clear about 14% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 12% of March, with mostly cloudy or overcast conditions the remaining 74%.
| 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 (%) | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 30 | 30 | 30 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 |
| Cloudier (%) | 72 | 71 | 71 | 71 | 71 | 71 | 72 | 70 | 70 | 70 | 72 | 72 | 73 | 73 | 73 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 76 | 76 | 75 | 75 | 75 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 28 | 72 |
| 2 | 29 | 71 |
| 3 | 29 | 71 |
| 4 | 29 | 71 |
| 5 | 29 | 71 |
| 6 | 29 | 71 |
| 7 | 28 | 72 |
| 8 | 30 | 70 |
| 9 | 30 | 70 |
| 10 | 30 | 70 |
| 11 | 28 | 72 |
| 12 | 28 | 72 |
| 13 | 27 | 73 |
| 14 | 27 | 73 |
| 15 | 27 | 73 |
| 16 | 26 | 74 |
| 17 | 26 | 74 |
| 18 | 25 | 75 |
| 19 | 25 | 75 |
| 20 | 25 | 75 |
| 21 | 25 | 75 |
| 22 | 25 | 75 |
| 23 | 25 | 75 |
| 24 | 25 | 75 |
| 25 | 25 | 75 |
| 26 | 24 | 76 |
| 27 | 24 | 76 |
| 28 | 24 | 76 |
| 29 | 25 | 75 |
| 30 | 25 | 75 |
| 31 | 25 | 75 |
Chance of precipitation in March
Thanh Hóa gets around 33 mm of rain over 5.5 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 17% and peaks near 20% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 20 | 20 |
| Rain chance (%) | |
|---|---|
| 1 | 15 |
| 2 | 15 |
| 3 | 15 |
| 4 | 15 |
| 5 | 16 |
| 6 | 16 |
| 7 | 16 |
| 8 | 16 |
| 9 | 17 |
| 10 | 17 |
| 11 | 17 |
| 12 | 17 |
| 13 | 17 |
| 14 | 17 |
| 15 | 17 |
| 16 | 17 |
| 17 | 17 |
| 18 | 17 |
| 19 | 17 |
| 20 | 17 |
| 21 | 17 |
| 22 | 18 |
| 23 | 18 |
| 24 | 18 |
| 25 | 19 |
| 26 | 19 |
| 27 | 19 |
| 28 | 20 |
| 29 | 20 |
| 30 | 20 |
| 31 | 20 |
Humidity in March
Most of March feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the muggy band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 63% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 17 | 16 | 16 | 15 | 15 | 14 | 13 | 12 | 12 | 11 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 |
| Comfortable (%) | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 |
| Humid (%) | 19 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 |
| Muggy (%) | 30 | 30 | 31 | 32 | 32 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 34 | 34 | 34 | 33 | 33 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 |
| Oppressive (%) | 17 | 17 | 17 | 17 | 18 | 18 | 19 | 20 | 20 | 22 | 23 | 24 | 26 | 27 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 37 | 38 | 39 | 39 | 39 | 40 | 40 | 41 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 6 | 7 | 8 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 17 | 16 | 19 | 30 | 17 | 0 |
| 2 | 16 | 16 | 20 | 30 | 17 | 0 |
| 3 | 16 | 16 | 20 | 31 | 17 | 0 |
| 4 | 15 | 16 | 20 | 32 | 17 | 0 |
| 5 | 15 | 15 | 20 | 32 | 18 | 0 |
| 6 | 14 | 15 | 20 | 33 | 18 | 0 |
| 7 | 13 | 14 | 21 | 33 | 19 | 0 |
| 8 | 12 | 14 | 21 | 34 | 20 | 0 |
| 9 | 12 | 13 | 21 | 34 | 20 | 0 |
| 10 | 11 | 12 | 21 | 34 | 22 | 0 |
| 11 | 10 | 12 | 20 | 35 | 23 | 0 |
| 12 | 9 | 11 | 20 | 35 | 24 | 0 |
| 13 | 9 | 11 | 20 | 34 | 26 | 0 |
| 14 | 8 | 11 | 19 | 34 | 27 | 1 |
| 15 | 8 | 10 | 19 | 34 | 29 | 1 |
| 16 | 7 | 10 | 18 | 33 | 30 | 1 |
| 17 | 7 | 10 | 18 | 33 | 31 | 1 |
| 18 | 6 | 10 | 17 | 32 | 32 | 2 |
| 19 | 6 | 10 | 17 | 32 | 33 | 2 |
| 20 | 6 | 9 | 16 | 32 | 34 | 2 |
| 21 | 6 | 9 | 16 | 32 | 35 | 3 |
| 22 | 6 | 9 | 15 | 31 | 36 | 3 |
| 23 | 5 | 9 | 15 | 31 | 37 | 3 |
| 24 | 5 | 9 | 14 | 31 | 37 | 4 |
| 25 | 5 | 8 | 14 | 31 | 38 | 4 |
| 26 | 5 | 8 | 13 | 31 | 39 | 4 |
| 27 | 5 | 8 | 13 | 31 | 39 | 5 |
| 28 | 5 | 7 | 12 | 31 | 39 | 5 |
| 29 | 5 | 7 | 12 | 30 | 40 | 6 |
| 30 | 4 | 7 | 12 | 30 | 40 | 7 |
| 31 | 4 | 6 | 12 | 30 | 41 | 8 |
Wind in March
Winds average 10 km/h in March.
Across March, daily wind ranges from about 10 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 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 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 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
| 31 | 10 | calm |
Sunrise & sunset in March
Daylight runs from about 11 h 36 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 30 minutes over March. Sunrise moves from 6:23 AM to 5:57 AM, and sunset from 5:57 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) | 11.6 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 6:23 | 6:22 | 6:21 | 6:21 | 6:20 | 6:19 | 6:18 | 6:18 | 6:17 | 6:16 | 6:15 | 6:14 | 6:13 | 6:13 | 6:12 | 6:11 | 6:10 | 6:09 | 6:08 | 6:07 | 6:06 | 6:06 | 6:05 | 6:04 | 6:03 | 6:02 | 6:01 | 6:00 | 5:59 | 5:58 | 5:57 |
| Sunset (PM) | 5:57 | 5:58 | 5:58 | 5:59 | 5:59 | 5:59 | 6:00 | 6:00 | 6:00 | 6:01 | 6:01 | 6:01 | 6:01 | 6:02 | 6:02 | 6:02 | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:04 | 6:04 | 6:05 | 6:05 | 6:05 | 6:05 | 6:06 | 6:06 | 6:06 | 6:06 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.6 | 6:23 | 5:57 |
| 2 | 11.6 | 6:22 | 5:58 |
| 3 | 11.6 | 6:21 | 5:58 |
| 4 | 11.6 | 6:21 | 5:59 |
| 5 | 11.7 | 6:20 | 5:59 |
| 6 | 11.7 | 6:19 | 5:59 |
| 7 | 11.7 | 6:18 | 6:00 |
| 8 | 11.7 | 6:18 | 6:00 |
| 9 | 11.7 | 6:17 | 6:00 |
| 10 | 11.7 | 6:16 | 6:01 |
| 11 | 11.8 | 6:15 | 6:01 |
| 12 | 11.8 | 6:14 | 6:01 |
| 13 | 11.8 | 6:13 | 6:01 |
| 14 | 11.8 | 6:13 | 6:02 |
| 15 | 11.8 | 6:12 | 6:02 |
| 16 | 11.9 | 6:11 | 6:02 |
| 17 | 11.9 | 6:10 | 6:03 |
| 18 | 11.9 | 6:09 | 6:03 |
| 19 | 11.9 | 6:08 | 6:03 |
| 20 | 11.9 | 6:07 | 6:04 |
| 21 | 12.0 | 6:06 | 6:04 |
| 22 | 12.0 | 6:06 | 6:04 |
| 23 | 12.0 | 6:05 | 6:04 |
| 24 | 12.0 | 6:04 | 6:05 |
| 25 | 12.0 | 6:03 | 6:05 |
| 26 | 12.1 | 6:02 | 6:05 |
| 27 | 12.1 | 6:01 | 6:05 |
| 28 | 12.1 | 6:00 | 6:06 |
| 29 | 12.1 | 5:59 | 6:06 |
| 30 | 12.1 | 5:58 | 6:06 |
| 31 | 12.1 | 5:57 | 6:06 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 3.63 kWh/m².
For context, solar energy here swings from a low near 2.53 kWh/m² to a high of 5.47 kWh/m² in June across the year — March's 3.63 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) | 3.3 | 3.3 | 3.4 | 3.4 | 3.4 | 3.4 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.7 | 3.7 | 3.7 | 3.7 | 3.8 | 3.8 | 3.8 | 3.8 | 3.9 | 3.9 | 4.0 | 4.0 |
| 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 | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.3 | Moderate |
| 2 | 3.3 | Moderate |
| 3 | 3.4 | Moderate |
| 4 | 3.4 | Moderate |
| 5 | 3.4 | Moderate |
| 6 | 3.4 | Moderate |
| 7 | 3.5 | Moderate |
| 8 | 3.5 | Moderate |
| 9 | 3.5 | Moderate |
| 10 | 3.5 | Moderate |
| 11 | 3.5 | Moderate |
| 12 | 3.5 | Moderate |
| 13 | 3.6 | Moderate |
| 14 | 3.6 | Moderate |
| 15 | 3.6 | Moderate |
| 16 | 3.6 | Moderate |
| 17 | 3.6 | Moderate |
| 18 | 3.6 | Moderate |
| 19 | 3.6 | Moderate |
| 20 | 3.7 | Moderate |
| 21 | 3.7 | Moderate |
| 22 | 3.7 | Moderate |
| 23 | 3.7 | Moderate |
| 24 | 3.8 | Moderate |
| 25 | 3.8 | Moderate |
| 26 | 3.8 | Moderate |
| 27 | 3.8 | Moderate |
| 28 | 3.9 | Moderate |
| 29 | 3.9 | Moderate |
| 30 | 4.0 | Moderate |
| 31 | 4.0 | Bright |
Hazard calendar for Thanh Hóa
In March, Thanh Hóa sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Thanh Hóa sits in the Pacific typhoon belt; the season peaks July–October.
Thanh Hóa's monsoon runs May–October, when most of the year's rain falls.
Is March a good time to visit Thanh Hóa?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is one of the better times to visit Thanh Hóa for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Thanh Hóa in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Thanh Hóa sees daytime highs around 25°C and nights near 19°C. Worth packing: light clothes. About 6 days see rain.
Sea temperature near Thanh Hóa in March
The nearest coast averages about 21°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 23 km away) 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 Thanh Hóa in March
Clear-sky midday UV in March peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Thanh Hóa peaks around August 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 | 9 | 12 | 12 | 13 | 10 | 9 | 7 | 6 |
| Level | Very high | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 9 | Very high |
| Mar | 10 | Very high |
| Apr | 9 | Very high |
| May | 9 | Very high |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 10 | Very high |
| Oct | 9 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Thanh Hóa 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 Thanh Hóa 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 Thanh Hóa?
Thanh Hóa sits at 19.8°N, 105.8°E, 5 m above sea level, in Vietnam. The nearest listed city is Sầm Sơn, 16 km away.
Topography around Thanh Hóa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Thanh Hóa.
Within 3 km, the terrain around Thanh Hóa has only modest variations in elevation — a maximum elevation change of 76 m around an average of 6 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 271 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,521 m.
The land around Thanh Hóa is covered by artificial surfaces (55%) and trees (20%) within 3 km, cropland (51%) within 16 km, and trees (47%), water (26%) and cropland (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 Thanh Hóa (19.8°, 105.7667°, elevation 5 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).