Móng Cái climate — normals and trends
Móng Cái (Vietnam) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 23.0 °C and it receives 2,121 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 July (28.4 °C on average) and the coldest is January (15.5 °C). Rainfall peaks in August.
Móng Cái averages 0 frost days, 41 hot days (≥ 30 °C) and 204 rainy days per year.
Móng Cái has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.1 °C (on 26 July 1968) and the coldest 4.0 °C (on 24 January 2016).
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
Móng CáiQuảng Ninh
- coords
- 21.52°, 107.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.0°C
Average daily high
24.4°C
Average daily low
21.6°C
Annual rainfall
2,121mm
Sunshine / day
8.1h
Mean relative humidity
83%
Average peak wind
19.0km/h
Seasonal range
12.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
41 d/yr
Rainy days (≥ 1 mm)
204 d/yr
Annual snowfall
0.0 cm
Average feels-like high
27.4 °C
Average feels-like low
23.2 °C
Average peak gust
30.6 km/h
Tropical nights (≥ 20 °C)
232 d/yr
Solar radiation
15.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.26 · 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
35.1 °C
26 July 1968
Coldest day
4.0 °C
24 January 2016
Wettest day
261 mm
24 July 2003
Windiest day
81.9 km/h
23 July 1980
Strongest gust
132.5 km/h
23 July 1980
Hottest feels-like
43.0 °C
21 August 1990
Coldest feels-like
-3.8 °C
24 January 2016
Sunniest day
13.0 h
15 June 1948
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 | 18.0 °C | +1.0 °C | 18 mm | -51 mm |
| Feb | 17.0 °C | -0.7 °C | 53 mm | -15 mm |
| Mar | 20.2 °C | -0.4 °C | 31 mm | -49 mm |
| Apr | 24.4 °C | +0.3 °C | 49 mm | -42 mm |
| May | 27.8 °C | +0.3 °C | 130 mm | -76 mm |
| Jun | 29.8 °C | +0.6 °C | 319 mm | +15 mm |
| Jul | 30.5 °C | +0.9 °C | 387 mm | +37 mm |
| Aug | 29.9 °C | +0.4 °C | 505 mm | +106 mm |
| Sep | 29.9 °C | +1.0 °C | 403 mm | +110 mm |
| Oct | 27.3 °C | +0.8 °C | 253 mm | +115 mm |
| Nov | 22.4 °C | -0.5 °C | 45 mm | -24 mm |
| Dec | 20.5 °C | +1.6 °C | 70 mm | +16 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 Móng Cái?
Móng Cái has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 23.0 °C and it receives 2,121 mm of precipitation per year.
What is the hottest day ever recorded in Móng Cái?
The hottest day measured in Móng Cái between 1940 and 2025 was 26 July 1968, reaching 35.1 °C.
What is the coldest day in Móng Cái?
The coldest day measured in Móng Cái between 1940 and 2025 was 24 January 2016, at 4.0 °C.
Does it snow in Móng Cái?
Almost never: Móng Cái sees virtually no snow, with about 0 frost days per year.
Has the climate of Móng Cái warmed?
Yes: Móng Cái warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Móng Cái?
The wettest day measured in Móng Cái between 1940 and 2025 was 24 July 2003, with 261 mm of rain in 24 hours.
What was the windiest day in Móng Cái?
The windiest day measured in Móng Cái between 1940 and 2025 was 23 July 1980, with winds reaching 81.9 km/h.
What is the warmest month in Móng Cái?
The warmest month in Móng Cái is July (28.4 °C on average); the coldest is January (15.5 °C).
How much does it rain in Móng Cái?
Móng Cái receives on average 2,121 mm of precipitation per year, spread over about 204 rainy days.
Is it sunny in Móng Cái?
Móng Cái gets on average 8.1 hours of sunshine per day, roughly 2,957 hours per year over 1940-2025.
Are there tropical nights in Móng Cái?
Yes: Móng Cái has on average 232 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Móng Cái?
In Móng Cái, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 21 August 1990, and the lowest was -3.8 °C on 24 January 2016.
Compare Móng Cái with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Móng Cái