Tam Giang climate — normals and trends
Tam Giang (Vietnam) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.8 °C and it receives 2,176 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 May (28.0 °C on average) and the coldest is January (25.4 °C). Rainfall peaks in October.
Tam Giang averages 0 frost days, 36 hot days (≥ 30 °C) and 237 rainy days per year.
Tam Giang has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.2 °C (on 23 May 1998) and the coldest 19.2 °C (on 25 December 1999).
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
Tam GiangCa Mau
- coords
- 8.80°, 105.18°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.8°C
Average daily high
28.4°C
Average daily low
25.6°C
Annual rainfall
2,176mm
Sunshine / day
10.2h
Mean relative humidity
83%
Average peak wind
21.5km/h
Seasonal range
2.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
36 d/yr
Rainy days (≥ 1 mm)
237 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.7 °C
Average feels-like low
28.9 °C
Average peak gust
36.2 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
19.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.68 · 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
33.2 °C
23 May 1998
Coldest day
19.2 °C
25 December 1999
Wettest day
132 mm
17 November 1978
Windiest day
49.4 km/h
3 November 1997
Strongest gust
77.0 km/h
3 November 1997
Hottest feels-like
40.7 °C
27 April 2022
Coldest feels-like
16.9 °C
25 December 1999
Sunniest day
12.0 h
27 March 1940
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 | 27.4 °C | +0.4 °C | 16 mm | -14 mm |
| Feb | 27.7 °C | +0.2 °C | 22 mm | +5 mm |
| Mar | 28.5 °C | 0.0 °C | 15 mm | -22 mm |
| Apr | 29.4 °C | -0.2 °C | 125 mm | +28 mm |
| May | 30.1 °C | +0.4 °C | 309 mm | +89 mm |
| Jun | 29.7 °C | +0.4 °C | 225 mm | -10 mm |
| Jul | 29.7 °C | +1.0 °C | 156 mm | -102 mm |
| Aug | 29.5 °C | +0.9 °C | 202 mm | -60 mm |
| Sep | 29.0 °C | +0.6 °C | 290 mm | -10 mm |
| Oct | 28.8 °C | +0.6 °C | 337 mm | -12 mm |
| Nov | 28.3 °C | +0.4 °C | 342 mm | +81 mm |
| Dec | 28.3 °C | +1.0 °C | 69 mm | -40 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 Tam Giang?
Tam Giang has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.8 °C and it receives 2,176 mm of precipitation per year.
What is the hottest day ever recorded in Tam Giang?
The hottest day measured in Tam Giang between 1940 and 2025 was 23 May 1998, reaching 33.2 °C.
What is the coldest day in Tam Giang?
The coldest day measured in Tam Giang between 1940 and 2025 was 25 December 1999, at 19.2 °C.
Does it snow in Tam Giang?
Almost never: Tam Giang sees virtually no snow, with about 0 frost days per year.
Has the climate of Tam Giang warmed?
Yes: Tam Giang warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tam Giang?
The wettest day measured in Tam Giang between 1940 and 2025 was 17 November 1978, with 132 mm of rain in 24 hours.
What was the windiest day in Tam Giang?
The windiest day measured in Tam Giang between 1940 and 2025 was 3 November 1997, with winds reaching 49.4 km/h.
What is the warmest month in Tam Giang?
The warmest month in Tam Giang is May (28.0 °C on average); the coldest is January (25.4 °C).
How much does it rain in Tam Giang?
Tam Giang receives on average 2,176 mm of precipitation per year, spread over about 237 rainy days.
Is it sunny in Tam Giang?
Tam Giang gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Tam Giang?
Yes: Tam Giang has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tam Giang?
In Tam Giang, between 1940 and 2025, the highest apparent temperature reached 40.7 °C on 27 April 2022, and the lowest was 16.9 °C on 25 December 1999.
Compare Tam Giang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tam Giang