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Hà Tĩnh, Vietnam climate
Am Tropical monsoon
Hà Tĩnh has a mildly seasonal tropical climate (Tropical monsoon, Köppen Am). The hottest month is June with an average daily high near 35°C, while the coldest is January averaging around 16°C at night. Precipitation totals about 1809 mm a year and is strongly seasonal — October alone averages 446 mm while February barely receives 34 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Hà Tĩnh climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 22 | 24 | 29 | 33 | 35 | 34 | 33 | 31 | 28 | 25 | 22 |
| Avg temp (°C) | 18 | 19 | 22 | 25 | 29 | 31 | 30 | 30 | 28 | 25 | 23 | 19 |
| Avg low (°C) | 16 | 17 | 19 | 22 | 25 | 27 | 27 | 26 | 25 | 23 | 20 | 17 |
| Precipitation (mm) | 49 | 34 | 54 | 55 | 120 | 99 | 117 | 217 | 417 | 446 | 127 | 73 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 22 | 24 | 29 | 33 | 35 |
| Avg temp (°C) | 18 | 19 | 22 | 25 | 29 | 31 |
| Avg low (°C) | 16 | 17 | 19 | 22 | 25 | 27 |
| Precipitation (mm) | 49 | 34 | 54 | 55 | 120 | 99 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 34 | 33 | 31 | 28 | 25 | 22 |
| Avg temp (°C) | 30 | 30 | 28 | 25 | 23 | 19 |
| Avg low (°C) | 27 | 26 | 25 | 23 | 20 | 17 |
| Precipitation (mm) | 117 | 217 | 417 | 446 | 127 | 73 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 67 | 68 | 67 | 74 | 82 | 82 | 84 | 77 | 69 | 66 | 70 |
| Relative humidity (%) | 86 | 82 | 78 | 72 | 72 | 73 | 74 | 80 | 84 | 86 | 86 | 86 |
| Wind speed (km/h) | 8.2 | 7.8 | 7.6 | 7.3 | 7.2 | 8.2 | 8.1 | 7.1 | 7.0 | 9.0 | 9.1 | 9.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 67 | 68 | 67 | 74 | 82 |
| Relative humidity (%) | 86 | 82 | 78 | 72 | 72 | 73 |
| Wind speed (km/h) | 8.2 | 7.8 | 7.6 | 7.3 | 7.2 | 8.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 82 | 84 | 77 | 69 | 66 | 70 |
| Relative humidity (%) | 74 | 80 | 84 | 86 | 86 | 86 |
| Wind speed (km/h) | 8.1 | 7.1 | 7.0 | 9.0 | 9.1 | 9.3 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Vinh, a weather station, about 50 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.