Củ Chi climate — normals and trends
Củ Chi (Vietnam) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.2 °C and it receives 1,866 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 (29.2 °C on average) and the coldest is December (26.0 °C). Rainfall peaks in September.
Củ Chi averages 0 frost days, 303 hot days (≥ 30 °C) and 213 rainy days per year.
Củ Chi has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.3 °C (on 17 May 2010) and the coldest 15.0 °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
Củ ChiHo Chi Minh City (HCMC)
- coords
- 10.97°, 106.49°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.2°C
Average daily high
31.8°C
Average daily low
23.9°C
Annual rainfall
1,866mm
Sunshine / day
10.0h
Mean relative humidity
79%
Average peak wind
12.4km/h
Seasonal range
3.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
303 d/yr
Rainy days (≥ 1 mm)
213 d/yr
Annual snowfall
0.0 cm
Average feels-like high
37.2 °C
Average feels-like low
28.2 °C
Average peak gust
29.1 km/h
Tropical nights (≥ 20 °C)
355 d/yr
Solar radiation
18.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.79 · 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
40.3 °C
17 May 2010
Coldest day
15.0 °C
16 January 1963
Wettest day
112 mm
25 November 2018
Windiest day
30.0 km/h
8 October 1973
Strongest gust
72.7 km/h
27 June 1992
Hottest feels-like
46.2 °C
18 May 2010
Coldest feels-like
14.4 °C
16 January 1963
Sunniest day
12.2 h
24 May 1949
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 | 31.5 °C | 0.0 °C | 5 mm | -11 mm |
| Feb | 32.5 °C | -0.3 °C | 19 mm | +9 mm |
| Mar | 33.7 °C | -0.2 °C | 16 mm | -11 mm |
| Apr | 34.8 °C | +0.4 °C | 58 mm | -20 mm |
| May | 33.7 °C | +0.6 °C | 311 mm | +113 mm |
| Jun | 31.7 °C | +0.1 °C | 296 mm | +45 mm |
| Jul | 31.7 °C | +0.7 °C | 244 mm | -33 mm |
| Aug | 31.9 °C | +1.0 °C | 308 mm | +29 mm |
| Sep | 31.4 °C | +0.6 °C | 333 mm | +15 mm |
| Oct | 31.5 °C | +0.8 °C | 250 mm | -2 mm |
| Nov | 30.6 °C | 0.0 °C | 171 mm | +53 mm |
| Dec | 31.4 °C | +0.9 °C | 43 mm | +1 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 Củ Chi?
Củ Chi has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.2 °C and it receives 1,866 mm of precipitation per year.
What is the hottest day ever recorded in Củ Chi?
The hottest day measured in Củ Chi between 1940 and 2025 was 17 May 2010, reaching 40.3 °C.
What is the coldest day in Củ Chi?
The coldest day measured in Củ Chi between 1940 and 2025 was 16 January 1963, at 15.0 °C.
Does it snow in Củ Chi?
Almost never: Củ Chi sees virtually no snow, with about 0 frost days per year.
Has the climate of Củ Chi warmed?
Yes: Củ Chi warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Củ Chi?
The wettest day measured in Củ Chi between 1940 and 2025 was 25 November 2018, with 112 mm of rain in 24 hours.
What was the windiest day in Củ Chi?
The windiest day measured in Củ Chi between 1940 and 2025 was 8 October 1973, with winds reaching 30.0 km/h.
What is the warmest month in Củ Chi?
The warmest month in Củ Chi is April (29.2 °C on average); the coldest is December (26.0 °C).
How much does it rain in Củ Chi?
Củ Chi receives on average 1,866 mm of precipitation per year, spread over about 213 rainy days.
Is it sunny in Củ Chi?
Củ Chi gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Củ Chi?
Yes: Củ Chi has on average 355 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Củ Chi?
In Củ Chi, between 1940 and 2025, the highest apparent temperature reached 46.2 °C on 18 May 2010, and the lowest was 14.4 °C on 16 January 1963.
Compare Củ Chi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Củ Chi