Vi Thanh climate — normals and trends
Vi Thanh (Vietnam) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.8 °C and it receives 2,024 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is April (28.4 °C on average) and the coldest is January (25.4 °C). Rainfall peaks in October.
Vi Thanh averages 0 frost days, 251 hot days (≥ 30 °C) and 231 rainy days per year.
Vi Thanh has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.7 °C (on 8 May 2010) and the coldest 15.5 °C (on 16 January 1963).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
Vi ThanhCan Tho City
- coords
- 9.78°, 105.47°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.8°C
Average daily high
30.9°C
Average daily low
23.9°C
Annual rainfall
2,024mm
Sunshine / day
9.6h
Mean relative humidity
82%
Average peak wind
14.7km/h
Seasonal range
3.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
251 d/yr
Rainy days (≥ 1 mm)
231 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.8 °C
Average feels-like low
28.2 °C
Average peak gust
33.4 km/h
Tropical nights (≥ 20 °C)
359 d/yr
Solar radiation
17.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.75 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
38.7 °C
8 May 2010
Coldest day
15.5 °C
16 January 1963
Wettest day
182 mm
2 December 1972
Windiest day
33.5 km/h
29 September 2009
Strongest gust
71.3 km/h
2 November 1997
Hottest feels-like
45.3 °C
9 May 2010
Coldest feels-like
14.0 °C
16 January 1963
Sunniest day
12.0 h
2 June 1959
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 29.1 °C | -0.6 °C | 8 mm | -16 mm |
| Feb | 31.1 °C | -0.2 °C | 30 mm | +14 mm |
| Mar | 32.8 °C | 0.0 °C | 20 mm | -21 mm |
| Apr | 32.6 °C | -0.7 °C | 163 mm | +62 mm |
| May | 32.3 °C | +0.1 °C | 325 mm | +97 mm |
| Jun | 30.9 °C | 0.0 °C | 254 mm | +8 mm |
| Jul | 31.1 °C | +0.8 °C | 180 mm | -78 mm |
| Aug | 31.1 °C | +0.9 °C | 220 mm | -41 mm |
| Sep | 30.7 °C | +0.5 °C | 284 mm | -18 mm |
| Oct | 31.1 °C | +0.8 °C | 439 mm | +131 mm |
| Nov | 30.2 °C | +0.2 °C | 212 mm | +43 mm |
| Dec | 30.2 °C | +0.9 °C | 102 mm | +30 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Vi Thanh?
Vi Thanh has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.8 °C and it receives 2,024 mm of precipitation per year.
What is the hottest day ever recorded in Vi Thanh?
The hottest day measured in Vi Thanh between 1940 and 2025 was 8 May 2010, reaching 38.7 °C.
What is the coldest day in Vi Thanh?
The coldest day measured in Vi Thanh between 1940 and 2025 was 16 January 1963, at 15.5 °C.
Does it snow in Vi Thanh?
Almost never: Vi Thanh sees virtually no snow, with about 0 frost days per year.
Has the climate of Vi Thanh warmed?
Yes: Vi Thanh warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Vi Thanh?
The wettest day measured in Vi Thanh between 1940 and 2025 was 2 December 1972, with 182 mm of rain in 24 hours.
What was the windiest day in Vi Thanh?
The windiest day measured in Vi Thanh between 1940 and 2025 was 29 September 2009, with winds reaching 33.5 km/h.
What is the warmest month in Vi Thanh?
The warmest month in Vi Thanh is April (28.4 °C on average); the coldest is January (25.4 °C).
How much does it rain in Vi Thanh?
Vi Thanh receives on average 2,024 mm of precipitation per year, spread over about 231 rainy days.
Is it sunny in Vi Thanh?
Vi Thanh gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
Are there tropical nights in Vi Thanh?
Yes: Vi Thanh has on average 359 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Vi Thanh?
In Vi Thanh, between 1940 and 2025, the highest apparent temperature reached 45.3 °C on 9 May 2010, and the lowest was 14.0 °C on 16 January 1963.
Compare Vi Thanh with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Vi Thanh