Thanh Hóa climate — normals and trends

Q: What is the climate of Thanh Hóa?

Thanh Hóa has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 24.4 °C and it receives 1,529 mm of precipitation per year.

Q: What is the hottest day ever recorded in Thanh Hóa?

The hottest day measured in Thanh Hóa between 1940 and 2025 was 23 June 1946, reaching 42.2 °C.

Q: What is the coldest day in Thanh Hóa?

The coldest day measured in Thanh Hóa between 1940 and 2025 was 12 January 1955, at 3.9 °C.

Q: Does it snow in Thanh Hóa?

Almost never: Thanh Hóa sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Thanh Hóa warmed?

Yes: Thanh Hóa warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Thanh Hóa?

The wettest day measured in Thanh Hóa between 1940 and 2025 was 24 October 1971, with 244 mm of rain in 24 hours.

Q: What was the windiest day in Thanh Hóa?

The windiest day measured in Thanh Hóa between 1940 and 2025 was 27 September 2005, with winds reaching 57.2 km/h.

Q: What is the warmest month in Thanh Hóa?

The warmest month in Thanh Hóa is July (30.1 °C on average); the coldest is January (17.4 °C).

Q: How much does it rain in Thanh Hóa?

Thanh Hóa receives on average 1,529 mm of precipitation per year, spread over about 145 rainy days.

Q: Is it sunny in Thanh Hóa?

Thanh Hóa gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.

Thanh Hóa (Vietnam) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 24.4 °C and it receives 1,529 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 (30.1 °C on average) and the coldest is January (17.4 °C). Rainfall peaks in September.

Thanh Hóa averages 0 frost days, 148 hot days (≥ 30 °C) and 145 rainy days per year.

Thanh Hóa 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 42.2 °C (on 23 June 1946) and the coldest 3.9 °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

Thanh HóaThanh Hóa Province

coords: 19.80°, 105.77°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJulyColdest monthJanuaryWettest monthSeptemberDriest monthFebruary

Mean daily temperature

24.4°C

Average daily high

27.8°C

Average daily low

21.8°C

Annual rainfall

1,529mm

Sunshine / day

7.6h

Mean relative humidity

80%

Average peak wind

14.8km/h

Seasonal range

12.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

148 d/yr

Rainy days (≥ 1 mm)

145 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.7 °C

Average feels-like low

24.4 °C

Average peak gust

30.9 km/h

Tropical nights (≥ 20 °C)

238 d/yr

Solar radiation

14.9 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

19402025

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

42.2 °C

23 June 1946

Coldest day

3.9 °C

12 January 1955

Wettest day

244 mm

24 October 1971

Windiest day

57.2 km/h

27 September 2005

Strongest gust

118.1 km/h

27 September 2005

Hottest feels-like

48.0 °C

7 May 2023

Coldest feels-like

0.2 °C

24 January 2016

Sunniest day

13.0 h

24 June 1956

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.4 °C2 June 2025	9.5 °C13 January 2025	24.8 °C	2,378 mm	157
2024	39.7 °C27 April 2024	9.3 °C24 January 2024	25.7 °C	1,800 mm	182
2023	39.2 °C17 May 2023	9.2 °C30 January 2023	25.6 °C	1,318 mm	170
2022	38.4 °C28 June 2022	8.8 °C20 February 2022	24.8 °C	1,671 mm	147
2021	41.4 °C3 June 2021	9.2 °C13 January 2021	25.4 °C	1,387 mm	168
2020	40.8 °C21 May 2020	11.9 °C31 January 2020	25.6 °C	1,560 mm	156
2019	40.1 °C19 May 2019	10.6 °C10 December 2019	25.9 °C	1,640 mm	173
2018	39.2 °C4 July 2018	10.0 °C30 January 2018	25.0 °C	1,938 mm	150
2017	40.3 °C4 June 2017	11.6 °C18 December 2017	25.0 °C	1,560 mm	152
2016	39.4 °C13 June 2016	6.3 °C24 January 2016	25.1 °C	1,621 mm	175
2015	41.3 °C29 May 2015	10.0 °C15 January 2015	25.6 °C	1,502 mm	175
2014	39.9 °C22 May 2014	8.1 °C23 January 2014	24.7 °C	1,535 mm	158
2013	38.8 °C9 June 2013	8.4 °C20 December 2013	24.5 °C	2,242 mm	149
2012	39.5 °C3 May 2012	9.8 °C5 January 2012	24.7 °C	1,477 mm	160
2011	38.1 °C7 July 2011	8.3 °C11 January 2011	23.4 °C	1,860 mm	120
2010	41.1 °C19 June 2010	11.0 °C17 February 2010	25.2 °C	1,869 mm	162
2009	38.3 °C19 April 2009	8.3 °C11 January 2009	24.9 °C	1,410 mm	165
2008	37.0 °C23 June 2008	7.5 °C2 February 2008	23.9 °C	1,617 mm	159
2007	40.0 °C9 June 2007	8.6 °C29 January 2007	24.7 °C	1,378 mm	146
2006	38.9 °C7 June 2006	10.9 °C8 January 2006	24.9 °C	1,242 mm	166
2005	39.0 °C27 May 2005	8.9 °C1 January 2005	24.4 °C	1,576 mm	157
2004	38.2 °C3 July 2004	8.7 °C9 February 2004	24.1 °C	1,281 mm	136
2003	39.5 °C7 May 2003	9.2 °C7 January 2003	25.1 °C	1,142 mm	172
2002	37.2 °C21 May 2002	8.4 °C27 December 2002	24.5 °C	1,338 mm	159
2001	37.1 °C21 April 2001	9.7 °C24 December 2001	24.2 °C	1,697 mm	140
2000	37.0 °C26 May 2000	10.0 °C1 February 2000	24.2 °C	1,514 mm	143
1999	36.8 °C20 July 1999	6.2 °C24 December 1999	24.4 °C	1,371 mm	151
1998	38.7 °C20 July 1998	11.0 °C5 February 1998	25.4 °C	935 mm	175
1997	39.1 °C9 June 1997	10.6 °C12 January 1997	24.6 °C	1,431 mm	151
1996	38.3 °C10 July 1996	6.6 °C21 February 1996	24.0 °C	2,099 mm	141
1995	38.0 °C21 May 1995	8.7 °C31 December 1995	24.0 °C	1,318 mm	140
1994	39.3 °C3 May 1994	10.7 °C21 January 1994	24.4 °C	1,824 mm	140
1993	38.0 °C4 June 1993	7.1 °C31 January 1993	24.4 °C	1,464 mm	149
1992	40.1 °C8 May 1992	9.6 °C17 January 1992	24.1 °C	1,344 mm	143
1991	38.1 °C23 May 1991	7.5 °C29 December 1991	24.8 °C	1,231 mm	156
1990	38.4 °C22 August 1990	10.1 °C1 February 1990	24.6 °C	1,670 mm	149
1989	37.5 °C11 May 1989	9.5 °C12 February 1989	24.0 °C	1,872 mm	141
1988	40.4 °C28 July 1988	9.1 °C19 February 1988	24.4 °C	1,327 mm	145
1987	38.7 °C24 June 1987	8.9 °C8 December 1987	25.2 °C	1,460 mm	174
1986	38.5 °C2 July 1986	7.4 °C1 March 1986	24.1 °C	1,498 mm	146
1985	38.5 °C27 May 1985	9.5 °C24 December 1985	23.8 °C	1,607 mm	136
1984	38.2 °C25 July 1984	7.5 °C9 January 1984	23.9 °C	1,352 mm	143
1983	40.0 °C19 June 1983	7.6 °C24 January 1983	24.2 °C	1,599 mm	167
1982	40.1 °C12 May 1982	6.5 °C28 December 1982	24.3 °C	1,720 mm	145
1981	37.3 °C25 August 1981	7.8 °C21 December 1981	24.4 °C	1,716 mm	160
1980	38.2 °C31 May 1980	8.0 °C9 February 1980	24.4 °C	1,729 mm	143
1979	37.8 °C17 July 1979	10.5 °C1 February 1979	24.5 °C	1,340 mm	148
1978	37.4 °C25 June 1978	9.2 °C22 January 1978	24.0 °C	2,002 mm	127
1977	39.1 °C9 June 1977	7.9 °C31 January 1977	24.0 °C	1,296 mm	146
1976	37.4 °C11 July 1976	7.8 °C15 January 1976	23.6 °C	1,434 mm	142
1975	37.9 °C30 July 1975	5.6 °C30 December 1975	23.9 °C	1,590 mm	137
1974	40.8 °C16 July 1974	4.4 °C2 January 1974	24.2 °C	1,641 mm	150
1973	40.5 °C8 April 1973	8.1 °C27 December 1973	25.0 °C	2,048 mm	164
1972	41.7 °C23 June 1972	9.0 °C8 February 1972	24.4 °C	1,733 mm	157
1971	40.9 °C18 June 1971	8.8 °C31 January 1971	23.7 °C	1,831 mm	137
1970	38.9 °C9 May 1970	10.1 °C31 January 1970	24.2 °C	1,510 mm	142
1969	42.2 °C19 May 1969	9.7 °C5 December 1969	24.8 °C	1,036 mm	182
1968	42.2 °C19 July 1968	8.3 °C13 February 1968	24.5 °C	1,284 mm	147
1967	40.8 °C6 July 1967	6.4 °C17 January 1967	23.8 °C	1,176 mm	136
1966	39.4 °C12 May 1966	9.3 °C27 December 1966	24.5 °C	1,683 mm	132
1965	39.0 °C14 May 1965	8.4 °C18 December 1965	24.1 °C	1,491 mm	137
1964	39.6 °C31 July 1964	8.0 °C19 December 1964	23.9 °C	1,847 mm	136
1963	36.9 °C18 July 1963	5.9 °C15 January 1963	23.7 °C	1,819 mm	142
1962	37.5 °C29 May 1962	7.2 °C28 January 1962	23.7 °C	1,474 mm	140
1961	37.8 °C13 July 1961	7.1 °C18 January 1961	24.3 °C	1,646 mm	133
1960	38.1 °C6 May 1960	7.2 °C3 January 1960	24.4 °C	1,456 mm	147
1959	39.5 °C18 June 1959	8.3 °C14 January 1959	24.3 °C	1,413 mm	132
1958	39.5 °C23 April 1958	7.0 °C1 February 1958	24.0 °C	1,252 mm	144
1957	42.1 °C14 May 1957	7.6 °C11 February 1957	24.2 °C	1,545 mm	139
1956	38.9 °C19 April 1956	8.2 °C10 January 1956	23.8 °C	1,533 mm	143
1955	39.3 °C15 April 1955	3.9 °C12 January 1955	23.9 °C	1,360 mm	137
1954	42.1 °C18 June 1954	8.0 °C17 December 1954	24.9 °C	1,156 mm	152
1953	39.5 °C14 July 1953	9.9 °C13 December 1953	24.6 °C	2,063 mm	146
1952	39.2 °C11 July 1952	7.7 °C19 February 1952	24.9 °C	1,926 mm	161
1951	39.5 °C10 April 1951	8.3 °C13 January 1951	24.4 °C	1,520 mm	152
1950	39.9 °C21 April 1950	11.0 °C17 February 1950	24.8 °C	1,327 mm	155
1949	41.6 °C14 June 1949	8.2 °C16 January 1949	24.9 °C	1,128 mm	150
1948	40.1 °C16 July 1948	8.5 °C7 January 1948	24.5 °C	1,278 mm	136
1947	38.7 °C6 May 1947	9.0 °C23 February 1947	24.0 °C	1,129 mm	130
1946	42.2 °C23 June 1946	7.6 °C8 January 1946	25.3 °C	837 mm	167
1945	36.3 °C14 July 1945	7.3 °C18 January 1945	23.0 °C	1,059 mm	110
1944	37.6 °C8 April 1944	6.7 °C21 December 1944	23.7 °C	1,517 mm	131
1943	38.2 °C17 July 1943	8.7 °C13 January 1943	23.7 °C	1,261 mm	124
1942	37.0 °C25 May 1942	9.3 °C13 February 1942	23.9 °C	1,482 mm	117
1941	37.2 °C26 April 1941	10.2 °C1 February 1941	24.2 °C	1,773 mm	133
1940	37.6 °C16 May 1940	8.9 °C23 January 1940	23.6 °C	1,443 mm	112

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?

Year

Across the whole year

Average daily high

28.0 °C

+0.2 °C

Hot days (≥ 30 °C)

157 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2379 mm

+850 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	21.9 °C	+1.2 °C	14 mm	-12 mm
Feb	20.5 °C	-1.2 °C	29 mm	+7 mm
Mar	24.0 °C	-0.8 °C	26 mm	-8 mm
Apr	28.7 °C	-0.3 °C	134 mm	+76 mm
May	31.7 °C	-0.7 °C	214 mm	+59 mm
Jun	33.9 °C	+0.2 °C	129 mm	-44 mm
Jul	32.9 °C	-0.8 °C	488 mm	+316 mm
Aug	32.7 °C	+0.5 °C	593 mm	+298 mm
Sep	31.9 °C	+1.3 °C	468 mm	+170 mm
Oct	29.0 °C	+0.9 °C	122 mm	-85 mm
Nov	24.4 °C	-0.8 °C	120 mm	+55 mm
Dec	23.8 °C	+1.9 °C	41 mm	+18 mm

The year's extremes

Hottest day

38.4 °C

2 Jun 2025

Coldest day

9.5 °C

13 Jan 2025

Wettest day

227.3 mm

22 Jul 2025

Windiest day

55.7 km/h

29 Sep 2025

Strongest gust

114.8 km/h

29 Sep 2025

Hottest feels-like

45.6 °C

9 Aug 2025

Coldest feels-like

7.7 °C

13 Jan 2025

Sunniest day

12.5 h

15 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 Thanh Hóa?

Thanh Hóa has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 24.4 °C and it receives 1,529 mm of precipitation per year.

What is the hottest day ever recorded in Thanh Hóa?

The hottest day measured in Thanh Hóa between 1940 and 2025 was 23 June 1946, reaching 42.2 °C.

What is the coldest day in Thanh Hóa?

The coldest day measured in Thanh Hóa between 1940 and 2025 was 12 January 1955, at 3.9 °C.

Does it snow in Thanh Hóa?

Almost never: Thanh Hóa sees virtually no snow, with about 0 frost days per year.

Has the climate of Thanh Hóa warmed?

Yes: Thanh Hóa warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Thanh Hóa?

The wettest day measured in Thanh Hóa between 1940 and 2025 was 24 October 1971, with 244 mm of rain in 24 hours.

What was the windiest day in Thanh Hóa?

The windiest day measured in Thanh Hóa between 1940 and 2025 was 27 September 2005, with winds reaching 57.2 km/h.

What is the warmest month in Thanh Hóa?

The warmest month in Thanh Hóa is July (30.1 °C on average); the coldest is January (17.4 °C).

How much does it rain in Thanh Hóa?

Thanh Hóa receives on average 1,529 mm of precipitation per year, spread over about 145 rainy days.

Is it sunny in Thanh Hóa?

Thanh Hóa gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.

Are there tropical nights in Thanh Hóa?

Yes: Thanh Hóa has on average 238 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Thanh Hóa?

In Thanh Hóa, between 1940 and 2025, the highest apparent temperature reached 48.0 °C on 7 May 2023, and the lowest was 0.2 °C on 24 January 2016.

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