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
19402025 · 86 yrs
CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthSeptemberDriest monthFebruary

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

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

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

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202537.2 °C8 August 20256.2 °C13 January 202523.4 °C2,516 mm1450
202439.9 °C30 April 20248.8 °C24 January 202424.4 °C2,286 mm1630
202339.3 °C7 May 20236.1 °C30 January 202324.3 °C1,657 mm1590
202239.1 °C29 June 20228.0 °C19 December 202223.6 °C1,916 mm1360
202138.0 °C4 July 20216.2 °C13 January 202124.0 °C2,182 mm1550
202039.8 °C24 June 202010.1 °C31 January 202024.5 °C2,362 mm1570
201939.7 °C21 June 20198.0 °C10 December 201924.8 °C1,806 mm1660
201837.6 °C1 July 20186.9 °C7 February 201823.7 °C2,146 mm1330
201737.5 °C3 June 20177.0 °C20 December 201723.7 °C2,236 mm1420
201638.3 °C26 July 20164.5 °C24 January 201624.1 °C1,869 mm1690
201540.2 °C30 May 20157.1 °C14 January 201524.5 °C1,446 mm1600
201437.6 °C3 June 20146.0 °C24 January 201423.5 °C1,436 mm1440
201337.8 °C16 May 20135.3 °C20 December 201323.2 °C2,480 mm1290
201237.1 °C25 April 20129.0 °C31 December 201223.6 °C1,667 mm1480
201136.1 °C7 July 20117.2 °C26 December 201122.0 °C2,214 mm1090
201039.0 °C19 June 20109.2 °C19 February 201023.9 °C2,340 mm1530
200936.2 °C14 June 20094.9 °C11 January 200923.6 °C1,591 mm1540
200836.1 °C25 June 20086.7 °C3 January 200822.6 °C1,940 mm1220
200738.2 °C2 April 20076.9 °C29 January 200723.5 °C1,672 mm1400
200638.7 °C14 June 20068.0 °C21 December 200623.5 °C1,631 mm1380
200537.4 °C27 May 20056.9 °C3 January 200523.1 °C1,898 mm1440
200437.1 °C3 July 20046.8 °C9 February 200422.8 °C1,695 mm1090
200338.1 °C7 May 20037.2 °C21 December 200323.6 °C1,600 mm1480
200236.1 °C22 May 20029.1 °C27 December 200223.4 °C1,943 mm1290
200137.9 °C10 April 20016.8 °C24 December 200123.1 °C2,090 mm1210
200035.3 °C27 May 20008.6 °C1 February 200022.9 °C1,888 mm1130
199936.4 °C19 July 19992.0 °C24 December 199923.1 °C1,642 mm1410
199837.7 °C16 June 19989.1 °C13 December 199824.1 °C1,174 mm1600
199736.6 °C16 May 19978.9 °C12 January 199723.3 °C1,858 mm1340
199636.3 °C2 July 19966.5 °C21 February 199622.7 °C2,642 mm1250
199537.6 °C21 May 19956.6 °C30 December 199522.8 °C1,847 mm1250
199437.8 °C3 May 19948.3 °C24 January 199423.3 °C1,864 mm1220
199337.9 °C20 June 19935.2 °C31 January 199323.1 °C1,332 mm1490
199238.4 °C8 May 19926.8 °C15 January 199222.8 °C1,612 mm1430
199136.5 °C10 April 19916.9 °C28 December 199123.5 °C1,794 mm1520
199037.0 °C22 April 19908.4 °C1 February 199023.3 °C1,956 mm1400
198937.1 °C21 April 19898.7 °C15 January 198922.8 °C2,084 mm1310
198838.3 °C10 July 19888.8 °C12 December 198823.1 °C1,847 mm1360
198738.0 °C13 July 19876.1 °C8 December 198723.8 °C1,609 mm1550
198637.1 °C2 July 19865.6 °C3 March 198623.0 °C1,852 mm1340
198536.6 °C10 June 19857.4 °C23 December 198522.6 °C1,586 mm1120
198438.5 °C25 July 19846.0 °C9 January 198422.8 °C1,522 mm1350
198338.4 °C5 June 19835.2 °C23 January 198323.0 °C1,959 mm1560
198237.8 °C12 May 19824.1 °C29 December 198223.1 °C2,004 mm1250
198136.1 °C30 May 19816.0 °C21 December 198123.2 °C2,086 mm1500
198037.8 °C24 April 19808.0 °C9 February 198023.2 °C2,253 mm1250
197938.1 °C24 July 19798.5 °C1 February 197923.2 °C1,646 mm1340
197835.6 °C21 May 19787.8 °C22 January 197822.9 °C2,500 mm1210
197737.1 °C6 June 19777.0 °C11 February 197722.5 °C1,563 mm1230
197635.8 °C17 June 19765.5 °C13 January 197622.3 °C1,709 mm1290
197537.5 °C28 April 19752.8 °C30 December 197522.7 °C2,123 mm1340
197437.9 °C10 July 19741.8 °C2 January 197422.7 °C2,050 mm1370
197339.1 °C10 April 19733.9 °C31 December 197323.5 °C2,795 mm1520
197238.2 °C24 May 19727.3 °C15 January 197223.2 °C1,933 mm1480
197137.1 °C11 May 19716.3 °C6 January 197122.2 °C2,023 mm1140
197036.7 °C11 May 19707.4 °C31 January 197022.8 °C2,009 mm1370
196938.7 °C20 May 19697.1 °C11 December 196923.3 °C1,463 mm1650
196837.9 °C19 July 19686.9 °C5 January 196823.1 °C1,519 mm1310
196737.4 °C22 July 19672.8 °C18 January 196722.3 °C2,017 mm1250
196637.5 °C13 May 19667.5 °C3 December 196623.2 °C1,496 mm1200
196537.9 °C13 May 19657.0 °C18 January 196523.1 °C1,939 mm1300
196437.1 °C31 July 19645.0 °C19 December 196422.6 °C2,297 mm1340
196335.4 °C10 July 19633.4 °C16 January 196322.4 °C2,323 mm1330
196236.1 °C9 July 19625.2 °C28 January 196222.3 °C1,923 mm1250
196136.5 °C25 April 19613.6 °C18 January 196123.0 °C2,169 mm1180
196036.2 °C15 June 19604.0 °C2 January 196023.0 °C2,008 mm1330
195936.9 °C19 June 19596.5 °C14 January 195922.8 °C1,689 mm1210
195838.3 °C24 April 19587.0 °C5 January 195822.6 °C2,042 mm1390
195737.7 °C23 April 19575.6 °C11 February 195722.9 °C1,748 mm1360
195636.4 °C19 April 19566.0 °C17 January 195622.4 °C2,089 mm1210
195538.9 °C17 April 19550.3 °C12 January 195522.5 °C1,578 mm1260
195438.8 °C18 June 19545.4 °C17 December 195423.6 °C1,544 mm1510
195338.4 °C22 July 19537.2 °C13 December 195323.5 °C2,600 mm1420
195238.4 °C30 May 19526.4 °C20 February 195223.7 °C2,395 mm1520
195138.0 °C10 April 19517.5 °C14 January 195123.2 °C1,751 mm1490
195037.9 °C21 April 19509.2 °C18 February 195023.4 °C1,836 mm1460
194938.5 °C14 June 19494.6 °C16 January 194923.5 °C1,744 mm1470
194838.6 °C30 June 19485.2 °C3 January 194822.9 °C1,684 mm1350
194737.0 °C7 May 19476.7 °C30 December 194722.6 °C1,453 mm1220
194637.3 °C18 March 19465.3 °C10 January 194623.3 °C1,104 mm1540
194536.0 °C13 July 19454.7 °C18 January 194521.8 °C1,150 mm1050
194436.4 °C8 April 19442.9 °C21 December 194422.5 °C1,898 mm1280
194336.9 °C24 March 19437.4 °C13 January 194322.4 °C1,678 mm1290
194235.5 °C15 April 19427.1 °C16 December 194222.5 °C1,784 mm1030
194137.8 °C23 March 19419.2 °C5 February 194122.9 °C1,964 mm1270
194035.8 °C16 May 19407.3 °C5 January 194022.5 °C1,492 mm1120

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

Average daily high
27.2 °C
+0.1 °C
Hot days (≥ 30 °C)
145 d/yr
+9
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
2516 mm
+635 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan20.3 °C+0.3 °C41 mm-23 mm
Feb20.1 °C-1.7 °C122 mm+64 mm
Mar24.7 °C-1.0 °C72 mm-10 mm
Apr29.5 °C0.0 °C82 mm-42 mm
May31.0 °C-0.6 °C216 mm+43 mm
Jun33.1 °C+0.5 °C153 mm+9 mm
Jul31.2 °C-1.4 °C439 mm+286 mm
Aug32.0 °C+0.7 °C444 mm+198 mm
Sep31.0 °C+1.6 °C472 mm+113 mm
Oct27.7 °C+1.1 °C187 mm-105 mm
Nov23.1 °C-0.7 °C183 mm+68 mm
Dec22.2 °C+1.6 °C103 mm+33 mm

The year's extremes

Hottest day
37.2 °C
8 Aug 2025
Coldest day
6.2 °C
13 Jan 2025
Wettest day
166.8 mm
29 Sep 2025
Windiest day
33.8 km/h
29 Sep 2025
Strongest gust
90.4 km/h
29 Sep 2025
Hottest feels-like
43.8 °C
7 Jun 2025
Coldest feels-like
4.1 °C
13 Jan 2025
Sunniest day
12.4 h
25 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

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

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Nearby cities

The climate around Thái Hòa

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