Ô Môn climate — normals and trends
Ô Môn (Vietnam) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.9 °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 (28.6 °C on average) and the coldest is January (25.3 °C). Rainfall peaks in September.
Ô Môn averages 0 frost days, 264 hot days (≥ 30 °C) and 223 rainy days per year.
Ô Môn 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 39.1 °C (on 13 May 2016) and the coldest 15.1 °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
Ô MônCan Tho City
- coords
- 10.11°, 105.62°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.9°C
Average daily high
31.1°C
Average daily low
23.9°C
Annual rainfall
1,866mm
Sunshine / day
9.7h
Mean relative humidity
81%
Average peak wind
14.6km/h
Seasonal range
3.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
264 d/yr
Rainy days (≥ 1 mm)
223 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.0 °C
Average feels-like low
28.2 °C
Average peak gust
33.1 km/h
Tropical nights (≥ 20 °C)
357 d/yr
Solar radiation
17.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.74 · 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
39.1 °C
13 May 2016
Coldest day
15.1 °C
16 January 1963
Wettest day
132 mm
28 October 2010
Windiest day
33.7 km/h
7 September 1982
Strongest gust
69.8 km/h
29 September 2009
Hottest feels-like
45.2 °C
7 April 2013
Coldest feels-like
13.8 °C
16 January 1963
Sunniest day
12.0 h
4 June 1959
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 | 29.1 °C | -0.6 °C | 7 mm | -15 mm |
| Feb | 31.1 °C | -0.3 °C | 34 mm | +20 mm |
| Mar | 32.8 °C | -0.3 °C | 14 mm | -22 mm |
| Apr | 32.9 °C | -0.7 °C | 136 mm | +47 mm |
| May | 32.2 °C | -0.1 °C | 306 mm | +96 mm |
| Jun | 30.9 °C | 0.0 °C | 260 mm | +27 mm |
| Jul | 31.1 °C | +0.7 °C | 165 mm | -80 mm |
| Aug | 31.2 °C | +0.9 °C | 210 mm | -36 mm |
| Sep | 30.9 °C | +0.5 °C | 264 mm | -22 mm |
| Oct | 31.5 °C | +0.8 °C | 309 mm | +30 mm |
| Nov | 30.4 °C | -0.1 °C | 178 mm | +31 mm |
| Dec | 30.5 °C | +0.9 °C | 118 mm | +57 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 Ô Môn?
Ô Môn has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.9 °C and it receives 1,866 mm of precipitation per year.
What is the hottest day ever recorded in Ô Môn?
The hottest day measured in Ô Môn between 1940 and 2025 was 13 May 2016, reaching 39.1 °C.
What is the coldest day in Ô Môn?
The coldest day measured in Ô Môn between 1940 and 2025 was 16 January 1963, at 15.1 °C.
Does it snow in Ô Môn?
Almost never: Ô Môn sees virtually no snow, with about 0 frost days per year.
Has the climate of Ô Môn warmed?
Yes: Ô Môn warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ô Môn?
The wettest day measured in Ô Môn between 1940 and 2025 was 28 October 2010, with 132 mm of rain in 24 hours.
What was the windiest day in Ô Môn?
The windiest day measured in Ô Môn between 1940 and 2025 was 7 September 1982, with winds reaching 33.7 km/h.
What is the warmest month in Ô Môn?
The warmest month in Ô Môn is April (28.6 °C on average); the coldest is January (25.3 °C).
How much does it rain in Ô Môn?
Ô Môn receives on average 1,866 mm of precipitation per year, spread over about 223 rainy days.
Is it sunny in Ô Môn?
Ô Môn gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
Are there tropical nights in Ô Môn?
Yes: Ô Môn has on average 357 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ô Môn?
In Ô Môn, between 1940 and 2025, the highest apparent temperature reached 45.2 °C on 7 April 2013, and the lowest was 13.8 °C on 16 January 1963.
Compare Ô Môn with another city
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Nearby cities
The climate around Ô Môn