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Phan Thiết, Vietnam climate
Aw Tropical savanna (dry winter)
Phan Thiết has a remarkably steady tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is May with an average daily high near 91°F, while the coldest is January averaging around 72°F at night. Precipitation totals about 42 inches a year and is strongly seasonal — July alone averages 6.7 inches while February barely receives 0.02 inches.
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)Phan Thiết climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 85 | 86 | 88 | 90 | 91 | 90 | 89 | 89 | 89 | 88 | 88 | 86 |
| Avg temp (°F) | 78 | 79 | 82 | 84 | 85 | 84 | 83 | 83 | 83 | 82 | 81 | 80 |
| Avg low (°F) | 72 | 72 | 75 | 78 | 79 | 78 | 77 | 77 | 77 | 76 | 75 | 73 |
| Precipitation (in) | 0.5 | 0.0 | 0.1 | 1.4 | 5.6 | 4.8 | 6.7 | 6.0 | 6.5 | 5.9 | 3.1 | 1.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 85 | 86 | 88 | 90 | 91 | 90 |
| Avg temp (°F) | 78 | 79 | 82 | 84 | 85 | 84 |
| Avg low (°F) | 72 | 72 | 75 | 78 | 79 | 78 |
| Precipitation (in) | 0.5 | 0.0 | 0.1 | 1.4 | 5.6 | 4.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 89 | 89 | 89 | 88 | 88 | 86 |
| Avg temp (°F) | 83 | 83 | 83 | 82 | 81 | 80 |
| Avg low (°F) | 77 | 77 | 77 | 76 | 75 | 73 |
| Precipitation (in) | 6.7 | 6.0 | 6.5 | 5.9 | 3.1 | 1.4 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 55 | 41 | 41 | 50 | 66 | 73 | 77 | 75 | 79 | 74 | 71 | 72 |
| Relative humidity (%) | 76 | 74 | 74 | 74 | 81 | 86 | 87 | 88 | 88 | 86 | 84 | 80 |
| Wind speed (mph) | 7.4 | 7.4 | 6.9 | 5.8 | 4.9 | 5.7 | 6.4 | 6.7 | 5.7 | 4.9 | 6.2 | 7.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 55 | 41 | 41 | 50 | 66 | 73 |
| Relative humidity (%) | 76 | 74 | 74 | 74 | 81 | 86 |
| Wind speed (mph) | 7.4 | 7.4 | 6.9 | 5.8 | 4.9 | 5.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 75 | 79 | 74 | 71 | 72 |
| Relative humidity (%) | 87 | 88 | 88 | 86 | 84 | 80 |
| Wind speed (mph) | 6.4 | 6.7 | 5.7 | 4.9 | 6.2 | 7.1 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Phan Thiet, a weather station, inside the city. 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.