Vĩnh Long climate — normals and trends
Vĩnh Long (Vietnam) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.9 °C and it receives 1,797 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 (28.6 °C on average) and the coldest is January (25.5 °C). Rainfall peaks in September.
Vĩnh Long averages 0 frost days, 261 hot days (≥ 30 °C) and 218 rainy days per year.
Vĩnh Long 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 38.0 °C (on 21 May 1983) and the coldest 15.9 °C (on 4 January 1940).
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
Vĩnh LongVinh Long
- coords
- 10.25°, 105.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.9°C
Average daily high
31.0°C
Average daily low
24.3°C
Annual rainfall
1,797mm
Sunshine / day
9.8h
Mean relative humidity
82%
Average peak wind
13.4km/h
Seasonal range
3.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
261 d/yr
Rainy days (≥ 1 mm)
218 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.3 °C
Average feels-like low
28.6 °C
Average peak gust
31.8 km/h
Tropical nights (≥ 20 °C)
360 d/yr
Solar radiation
18.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.76 · 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
38.0 °C
21 May 1983
Coldest day
15.9 °C
4 January 1940
Wettest day
105 mm
29 October 1970
Windiest day
31.6 km/h
7 September 1982
Strongest gust
69.1 km/h
19 August 1957
Hottest feels-like
45.1 °C
7 April 2013
Coldest feels-like
15.2 °C
12 January 1955
Sunniest day
12.1 h
27 May 1945
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 29.2 °C | -0.6 °C | 10 mm | -11 mm |
| Feb | 31.1 °C | -0.1 °C | 28 mm | +18 mm |
| Mar | 32.3 °C | -0.3 °C | 9 mm | -18 mm |
| Apr | 33.0 °C | -0.3 °C | 102 mm | +26 mm |
| May | 32.3 °C | -0.1 °C | 286 mm | +95 mm |
| Jun | 31.1 °C | 0.0 °C | 269 mm | +44 mm |
| Jul | 31.2 °C | +0.7 °C | 182 mm | -57 mm |
| Aug | 31.4 °C | +0.9 °C | 230 mm | -16 mm |
| Sep | 31.1 °C | +0.6 °C | 338 mm | +52 mm |
| Oct | 31.4 °C | +1.0 °C | 262 mm | -10 mm |
| Nov | 30.3 °C | +0.2 °C | 172 mm | +29 mm |
| Dec | 30.2 °C | +0.7 °C | 97 mm | +37 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 Vĩnh Long?
Vĩnh Long has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.9 °C and it receives 1,797 mm of precipitation per year.
What is the hottest day ever recorded in Vĩnh Long?
The hottest day measured in Vĩnh Long between 1940 and 2025 was 21 May 1983, reaching 38.0 °C.
What is the coldest day in Vĩnh Long?
The coldest day measured in Vĩnh Long between 1940 and 2025 was 4 January 1940, at 15.9 °C.
Does it snow in Vĩnh Long?
Almost never: Vĩnh Long sees virtually no snow, with about 0 frost days per year.
Has the climate of Vĩnh Long warmed?
Yes: Vĩnh Long warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Vĩnh Long?
The wettest day measured in Vĩnh Long between 1940 and 2025 was 29 October 1970, with 105 mm of rain in 24 hours.
What was the windiest day in Vĩnh Long?
The windiest day measured in Vĩnh Long between 1940 and 2025 was 7 September 1982, with winds reaching 31.6 km/h.
What is the warmest month in Vĩnh Long?
The warmest month in Vĩnh Long is April (28.6 °C on average); the coldest is January (25.5 °C).
How much does it rain in Vĩnh Long?
Vĩnh Long receives on average 1,797 mm of precipitation per year, spread over about 218 rainy days.
Is it sunny in Vĩnh Long?
Vĩnh Long gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
Are there tropical nights in Vĩnh Long?
Yes: Vĩnh Long has on average 360 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Vĩnh Long?
In Vĩnh Long, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 7 April 2013, and the lowest was 15.2 °C on 12 January 1955.
Compare Vĩnh Long with another city
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Nearby cities
The climate around Vĩnh Long