Song Cau climate — normals and trends
Song Cau (Vietnam) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 25.8 °C and it receives 1,835 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 June (28.4 °C on average) and the coldest is January (22.4 °C). Rainfall peaks in November.
Song Cau averages 0 frost days, 111 hot days (≥ 30 °C) and 215 rainy days per year.
Song Cau has warmed by +1.3 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 34.7 °C (on 4 July 2015) and the coldest 15.9 °C (on 23 January 1970).
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
Song CauDak Lak
- coords
- 13.46°, 109.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.8°C
Average daily high
27.9°C
Average daily low
24.2°C
Annual rainfall
1,835mm
Sunshine / day
10.0h
Mean relative humidity
82%
Average peak wind
19.6km/h
Seasonal range
6.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
111 d/yr
Rainy days (≥ 1 mm)
215 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.9 °C
Average feels-like low
27.0 °C
Average peak gust
37.4 km/h
Tropical nights (≥ 20 °C)
351 d/yr
Solar radiation
17.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.69 · 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
34.7 °C
4 July 2015
Coldest day
15.9 °C
23 January 1970
Wettest day
246 mm
2 November 2009
Windiest day
64.0 km/h
2 November 2009
Strongest gust
131.8 km/h
12 November 2001
Hottest feels-like
42.6 °C
9 May 2001
Coldest feels-like
12.6 °C
11 January 1955
Sunniest day
12.7 h
22 May 1940
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 | 23.4 °C | -0.7 °C | 62 mm | -39 mm |
| Feb | 24.2 °C | -0.7 °C | 132 mm | +73 mm |
| Mar | 26.1 °C | -0.4 °C | 74 mm | +15 mm |
| Apr | 28.1 °C | -0.3 °C | 15 mm | -49 mm |
| May | 30.3 °C | +0.2 °C | 134 mm | +8 mm |
| Jun | 31.5 °C | +0.5 °C | 149 mm | +62 mm |
| Jul | 31.9 °C | +0.9 °C | 64 mm | -9 mm |
| Aug | 31.5 °C | +0.5 °C | 150 mm | +65 mm |
| Sep | 30.5 °C | +0.6 °C | 357 mm | +148 mm |
| Oct | 28.4 °C | +0.8 °C | 311 mm | -35 mm |
| Nov | 26.4 °C | +0.4 °C | 841 mm | +458 mm |
| Dec | 25.4 °C | +0.9 °C | 278 mm | +35 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 Song Cau?
Song Cau has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 1,835 mm of precipitation per year.
What is the hottest day ever recorded in Song Cau?
The hottest day measured in Song Cau between 1940 and 2025 was 4 July 2015, reaching 34.7 °C.
What is the coldest day in Song Cau?
The coldest day measured in Song Cau between 1940 and 2025 was 23 January 1970, at 15.9 °C.
Does it snow in Song Cau?
Almost never: Song Cau sees virtually no snow, with about 0 frost days per year.
Has the climate of Song Cau warmed?
Yes: Song Cau warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Song Cau?
The wettest day measured in Song Cau between 1940 and 2025 was 2 November 2009, with 246 mm of rain in 24 hours.
What was the windiest day in Song Cau?
The windiest day measured in Song Cau between 1940 and 2025 was 2 November 2009, with winds reaching 64.0 km/h.
What is the warmest month in Song Cau?
The warmest month in Song Cau is June (28.4 °C on average); the coldest is January (22.4 °C).
How much does it rain in Song Cau?
Song Cau receives on average 1,835 mm of precipitation per year, spread over about 215 rainy days.
Is it sunny in Song Cau?
Song Cau gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Song Cau?
Yes: Song Cau has on average 351 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Song Cau?
In Song Cau, between 1940 and 2025, the highest apparent temperature reached 42.6 °C on 9 May 2001, and the lowest was 12.6 °C on 11 January 1955.
Compare Song Cau with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Song Cau