Nghèn climate — normals and trends
Nghèn (Vietnam) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 25.0 °C and it receives 1,761 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 (30.6 °C on average) and the coldest is January (18.3 °C). Rainfall peaks in October.
Nghèn averages 0 frost days, 159 hot days (≥ 30 °C) and 152 rainy days per year.
Nghèn has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.1 °C (on 1 July 2018) and the coldest 5.7 °C (on 12 January 1955).
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
NghènHà Tĩnh Province
- coords
- 18.45°, 105.78°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.0°C
Average daily high
28.4°C
Average daily low
22.2°C
Annual rainfall
1,761mm
Sunshine / day
7.9h
Mean relative humidity
81%
Average peak wind
13.1km/h
Seasonal range
12.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
159 d/yr
Rainy days (≥ 1 mm)
152 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.8 °C
Average feels-like low
25.4 °C
Average peak gust
29.3 km/h
Tropical nights (≥ 20 °C)
248 d/yr
Solar radiation
15.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °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
42.1 °C
1 July 2018
Coldest day
5.7 °C
12 January 1955
Wettest day
344 mm
31 October 1952
Windiest day
59.8 km/h
30 October 1952
Strongest gust
126.4 km/h
29 August 1990
Hottest feels-like
48.9 °C
16 May 2013
Coldest feels-like
1.4 °C
25 January 2016
Sunniest day
12.8 h
17 June 1954
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 | 21.6 °C | +0.3 °C | 29 mm | -19 mm |
| Feb | 21.4 °C | -1.1 °C | 66 mm | +31 mm |
| Mar | 24.3 °C | -1.7 °C | 47 mm | +1 mm |
| Apr | 29.5 °C | -0.6 °C | 72 mm | +9 mm |
| May | 32.6 °C | -0.4 °C | 169 mm | +43 mm |
| Jun | 34.3 °C | -0.1 °C | 160 mm | +34 mm |
| Jul | 33.0 °C | -1.6 °C | 233 mm | +113 mm |
| Aug | 33.2 °C | 0.0 °C | 552 mm | +349 mm |
| Sep | 32.5 °C | +1.7 °C | 401 mm | +38 mm |
| Oct | 29.0 °C | +0.9 °C | 352 mm | -48 mm |
| Nov | 24.6 °C | -0.6 °C | 235 mm | +75 mm |
| Dec | 23.7 °C | +1.6 °C | 89 mm | +19 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 Nghèn?
Nghèn has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.0 °C and it receives 1,761 mm of precipitation per year.
What is the hottest day ever recorded in Nghèn?
The hottest day measured in Nghèn between 1940 and 2025 was 1 July 2018, reaching 42.1 °C.
What is the coldest day in Nghèn?
The coldest day measured in Nghèn between 1940 and 2025 was 12 January 1955, at 5.7 °C.
Does it snow in Nghèn?
Almost never: Nghèn sees virtually no snow, with about 0 frost days per year.
Has the climate of Nghèn warmed?
Yes: Nghèn warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nghèn?
The wettest day measured in Nghèn between 1940 and 2025 was 31 October 1952, with 344 mm of rain in 24 hours.
What was the windiest day in Nghèn?
The windiest day measured in Nghèn between 1940 and 2025 was 30 October 1952, with winds reaching 59.8 km/h.
What is the warmest month in Nghèn?
The warmest month in Nghèn is July (30.6 °C on average); the coldest is January (18.3 °C).
How much does it rain in Nghèn?
Nghèn receives on average 1,761 mm of precipitation per year, spread over about 152 rainy days.
Is it sunny in Nghèn?
Nghèn gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
Are there tropical nights in Nghèn?
Yes: Nghèn has on average 248 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nghèn?
In Nghèn, between 1940 and 2025, the highest apparent temperature reached 48.9 °C on 16 May 2013, and the lowest was 1.4 °C on 25 January 2016.
Compare Nghèn with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nghèn