Thái Hòa climate — normals and trends
Thái Hòa (Vietnam) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 23.1 °C and it receives 1,881 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 (16.3 °C). Rainfall peaks in September.
Thái Hòa averages 0 frost days, 136 hot days (≥ 30 °C) and 182 rainy days per year.
Thái Hòa has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.2 °C (on 30 May 2015) and the coldest 0.3 °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
Thái HòaNghệ An Province
- coords
- 18.92°, 104.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.1°C
Average daily high
27.1°C
Average daily low
20.1°C
Annual rainfall
1,881mm
Sunshine / day
7.8h
Mean relative humidity
82%
Average peak wind
9.7km/h
Seasonal range
12.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
136 d/yr
Rainy days (≥ 1 mm)
182 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.8 °C
Average feels-like low
22.7 °C
Average peak gust
28.3 km/h
Tropical nights (≥ 20 °C)
209 d/yr
Solar radiation
14.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.32 · 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
40.2 °C
30 May 2015
Coldest day
0.3 °C
12 January 1955
Wettest day
312 mm
23 October 2001
Windiest day
34.5 km/h
15 September 2017
Strongest gust
115.9 km/h
15 September 2017
Hottest feels-like
46.1 °C
20 May 2019
Coldest feels-like
-3.0 °C
12 January 1955
Sunniest day
12.9 h
13 June 2013
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 | 20.3 °C | +0.3 °C | 41 mm | -23 mm |
| Feb | 20.1 °C | -1.7 °C | 122 mm | +64 mm |
| Mar | 24.7 °C | -1.0 °C | 72 mm | -10 mm |
| Apr | 29.5 °C | 0.0 °C | 82 mm | -42 mm |
| May | 31.0 °C | -0.6 °C | 216 mm | +43 mm |
| Jun | 33.1 °C | +0.5 °C | 153 mm | +9 mm |
| Jul | 31.2 °C | -1.4 °C | 439 mm | +286 mm |
| Aug | 32.0 °C | +0.7 °C | 444 mm | +198 mm |
| Sep | 31.0 °C | +1.6 °C | 472 mm | +113 mm |
| Oct | 27.7 °C | +1.1 °C | 187 mm | -105 mm |
| Nov | 23.1 °C | -0.7 °C | 183 mm | +68 mm |
| Dec | 22.2 °C | +1.6 °C | 103 mm | +33 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 Thái Hòa?
Thái Hòa has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 23.1 °C and it receives 1,881 mm of precipitation per year.
What is the hottest day ever recorded in Thái Hòa?
The hottest day measured in Thái Hòa between 1940 and 2025 was 30 May 2015, reaching 40.2 °C.
What is the coldest day in Thái Hòa?
The coldest day measured in Thái Hòa between 1940 and 2025 was 12 January 1955, at 0.3 °C.
Does it snow in Thái Hòa?
Almost never: Thái Hòa sees virtually no snow, with about 0 frost days per year.
Has the climate of Thái Hòa warmed?
Yes: Thái Hòa warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Thái Hòa?
The wettest day measured in Thái Hòa between 1940 and 2025 was 23 October 2001, with 312 mm of rain in 24 hours.
What was the windiest day in Thái Hòa?
The windiest day measured in Thái Hòa between 1940 and 2025 was 15 September 2017, with winds reaching 34.5 km/h.
What is the warmest month in Thái Hòa?
The warmest month in Thái Hòa is July (28.4 °C on average); the coldest is January (16.3 °C).
How much does it rain in Thái Hòa?
Thái Hòa receives on average 1,881 mm of precipitation per year, spread over about 182 rainy days.
Is it sunny in Thái Hòa?
Thái Hòa gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
Are there tropical nights in Thái Hòa?
Yes: Thái Hòa has on average 209 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Thái Hòa?
In Thái Hòa, between 1940 and 2025, the highest apparent temperature reached 46.1 °C on 20 May 2019, and the lowest was -3.0 °C on 12 January 1955.
Compare Thái Hòa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Thái Hòa