Phú Thọ climate — normals and trends

Q: What is the climate of Phú Thọ?

Phú Thọ has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 23.8 °C and it receives 1,820 mm of precipitation per year.

Q: What is the hottest day ever recorded in Phú Thọ?

The hottest day measured in Phú Thọ between 1940 and 2025 was 13 May 1969, reaching 41.2 °C.

Q: What is the coldest day in Phú Thọ?

The coldest day measured in Phú Thọ between 1940 and 2025 was 21 December 1944, at 4.8 °C.

Q: Does it snow in Phú Thọ?

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

Q: Has the climate of Phú Thọ warmed?

Yes: Phú Thọ warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Phú Thọ?

The wettest day measured in Phú Thọ between 1940 and 2025 was 13 June 1975, with 192 mm of rain in 24 hours.

Q: What was the windiest day in Phú Thọ?

The windiest day measured in Phú Thọ between 1940 and 2025 was 23 July 1980, with winds reaching 37.0 km/h.

Q: What is the warmest month in Phú Thọ?

The warmest month in Phú Thọ is June (28.8 °C on average); the coldest is January (16.6 °C).

Q: How much does it rain in Phú Thọ?

Phú Thọ receives on average 1,820 mm of precipitation per year, spread over about 164 rainy days.

Q: Is it sunny in Phú Thọ?

Phú Thọ gets on average 6.5 hours of sunshine per day, roughly 2,373 hours per year over 1940-2025.

Phú Thọ (Vietnam) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 23.8 °C and it receives 1,820 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 June (28.8 °C on average) and the coldest is January (16.6 °C). Rainfall peaks in August.

Phú Thọ averages 0 frost days, 148 hot days (≥ 30 °C) and 164 rainy days per year.

Phú Thọ has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.2 °C (on 13 May 1969) and the coldest 4.8 °C (on 21 December 1944).

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

Phú ThọPhu Tho

coords: 21.40°, 105.22°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJuneColdest monthJanuaryWettest monthAugustDriest monthDecember

Mean daily temperature

23.8°C

Average daily high

27.5°C

Average daily low

21.0°C

Annual rainfall

1,820mm

Sunshine / day

6.5h

Mean relative humidity

81%

Average peak wind

9.0km/h

Seasonal range

12.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

148 d/yr

Rainy days (≥ 1 mm)

164 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.4 °C

Average feels-like low

24.3 °C

Average peak gust

22.8 km/h

Tropical nights (≥ 20 °C)

228 d/yr

Solar radiation

13.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.48 · 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

41.2 °C

13 May 1969

Coldest day

4.8 °C

21 December 1944

Wettest day

192 mm

13 June 1975

Windiest day

37.0 km/h

23 July 1980

Strongest gust

99.0 km/h

23 July 1980

Hottest feels-like

47.9 °C

30 May 2015

Coldest feels-like

2.6 °C

19 January 1961

Sunniest day

13.2 h

14 June 2013

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.9 °C1 June 2025	8.9 °C13 January 2025	24.4 °C	2,222 mm	163
2024	39.2 °C26 July 2024	9.4 °C24 January 2024	25.0 °C	2,214 mm	189
2023	38.7 °C17 May 2023	8.4 °C30 January 2023	25.0 °C	1,700 mm	173
2022	37.6 °C4 June 2022	9.4 °C19 December 2022	24.2 °C	2,076 mm	160
2021	40.8 °C3 June 2021	8.1 °C13 January 2021	24.7 °C	1,591 mm	167
2020	38.7 °C22 June 2020	10.7 °C31 January 2020	24.5 °C	1,974 mm	148
2019	38.9 °C19 May 2019	9.1 °C8 December 2019	24.9 °C	1,728 mm	166
2018	38.4 °C6 July 2018	9.2 °C9 February 2018	24.5 °C	2,093 mm	162
2017	40.0 °C3 June 2017	9.4 °C20 December 2017	24.4 °C	2,100 mm	154
2016	38.2 °C2 June 2016	6.6 °C27 January 2016	24.7 °C	1,748 mm	179
2015	39.3 °C28 May 2015	9.2 °C15 January 2015	25.1 °C	1,695 mm	188
2014	39.0 °C22 May 2014	5.9 °C23 January 2014	24.2 °C	1,870 mm	174
2013	38.5 °C16 May 2013	7.5 °C20 December 2013	24.1 °C	1,871 mm	161
2012	39.8 °C3 May 2012	9.1 °C6 January 2012	24.1 °C	1,640 mm	176
2011	37.1 °C31 August 2011	8.8 °C16 January 2011	23.1 °C	1,434 mm	133
2010	38.3 °C21 May 2010	9.7 °C17 December 2010	24.6 °C	1,898 mm	165
2009	37.7 °C8 June 2009	8.4 °C11 January 2009	24.5 °C	1,358 mm	173
2008	38.9 °C8 April 2008	7.4 °C2 February 2008	23.5 °C	1,860 mm	156
2007	37.5 °C24 May 2007	7.3 °C29 January 2007	24.3 °C	1,636 mm	156
2006	40.0 °C11 April 2006	8.0 °C23 December 2006	24.4 °C	1,564 mm	165
2005	38.6 °C17 May 2005	8.0 °C3 January 2005	23.9 °C	1,600 mm	160
2004	37.6 °C3 July 2004	7.3 °C9 February 2004	23.9 °C	1,441 mm	156
2003	40.7 °C6 May 2003	7.8 °C7 January 2003	24.8 °C	1,476 mm	186
2002	37.2 °C1 June 2002	9.9 °C28 December 2002	24.3 °C	1,656 mm	168
2001	38.2 °C20 April 2001	8.5 °C24 December 2001	24.1 °C	1,751 mm	148
2000	36.6 °C12 August 2000	8.2 °C2 February 2000	23.9 °C	1,796 mm	142
1999	36.1 °C17 May 1999	5.4 °C24 December 1999	24.1 °C	1,634 mm	155
1998	38.8 °C15 June 1998	10.9 °C20 January 1998	24.8 °C	1,663 mm	181
1997	38.6 °C8 June 1997	9.6 °C12 January 1997	24.0 °C	1,986 mm	152
1996	39.3 °C17 March 1996	8.0 °C21 February 1996	23.5 °C	2,059 mm	142
1995	38.3 °C21 June 1995	8.3 °C6 January 1995	23.6 °C	1,813 mm	153
1994	40.2 °C2 May 1994	10.3 °C22 January 1994	24.0 °C	2,268 mm	135
1993	37.4 °C1 June 1993	6.8 °C31 January 1993	23.9 °C	1,637 mm	156
1992	37.3 °C21 April 1992	9.4 °C17 January 1992	23.6 °C	1,714 mm	141
1991	37.4 °C24 May 1991	9.7 °C30 December 1991	24.2 °C	1,612 mm	157
1990	38.4 °C21 August 1990	8.6 °C1 February 1990	24.0 °C	2,080 mm	139
1989	37.6 °C18 June 1989	9.5 °C4 February 1989	23.6 °C	1,871 mm	143
1988	38.8 °C21 May 1988	8.2 °C20 February 1988	23.6 °C	1,718 mm	143
1987	38.3 °C21 May 1987	8.4 °C17 December 1987	24.6 °C	1,803 mm	172
1986	38.3 °C2 July 1986	7.7 °C6 January 1986	23.7 °C	2,071 mm	141
1985	38.6 °C27 May 1985	7.9 °C24 December 1985	23.4 °C	1,889 mm	159
1984	40.2 °C4 April 1984	7.9 °C10 January 1984	23.3 °C	1,727 mm	144
1983	38.9 °C20 June 1983	7.3 °C29 December 1983	23.5 °C	1,784 mm	163
1982	38.1 °C21 June 1982	6.0 °C27 December 1982	23.7 °C	1,917 mm	145
1981	37.6 °C25 August 1981	9.5 °C12 January 1981	24.0 °C	2,335 mm	161
1980	39.5 °C22 April 1980	8.8 °C8 February 1980	24.0 °C	2,101 mm	151
1979	36.8 °C15 July 1979	10.7 °C16 January 1979	23.9 °C	1,793 mm	167
1978	36.7 °C25 June 1978	8.9 °C17 December 1978	23.4 °C	2,505 mm	139
1977	38.8 °C15 June 1977	6.7 °C31 January 1977	23.5 °C	1,569 mm	150
1976	37.0 °C16 June 1976	6.8 °C1 January 1976	23.1 °C	1,705 mm	137
1975	36.7 °C30 July 1975	4.9 °C25 December 1975	23.5 °C	2,482 mm	144
1974	38.5 °C8 May 1974	6.0 °C2 January 1974	23.5 °C	1,942 mm	160
1973	40.2 °C8 April 1973	5.9 °C31 December 1973	24.3 °C	2,173 mm	165
1972	41.0 °C11 May 1972	7.8 °C16 January 1972	23.9 °C	2,310 mm	174
1971	37.2 °C18 June 1971	5.1 °C5 January 1971	23.3 °C	2,256 mm	145
1970	37.0 °C28 May 1970	8.5 °C31 January 1970	23.5 °C	1,968 mm	139
1969	41.2 °C13 May 1969	8.6 °C11 December 1969	24.1 °C	1,442 mm	189
1968	38.1 °C24 May 1968	5.1 °C14 February 1968	23.7 °C	1,699 mm	137
1967	39.9 °C6 July 1967	5.3 °C16 January 1967	23.6 °C	1,408 mm	149
1966	37.5 °C12 May 1966	7.7 °C1 January 1966	23.3 °C	1,673 mm	108
1965	35.9 °C20 July 1965	7.6 °C31 December 1965	23.1 °C	1,681 mm	119
1964	37.3 °C19 July 1964	7.7 °C19 December 1964	23.4 °C	2,167 mm	143
1963	36.9 °C13 May 1963	5.6 °C16 January 1963	23.5 °C	1,973 mm	145
1962	37.8 °C28 May 1962	7.1 °C28 January 1962	23.4 °C	1,484 mm	148
1961	37.5 °C1 June 1961	5.2 °C17 January 1961	23.8 °C	2,189 mm	151
1960	40.6 °C5 May 1960	8.1 °C2 January 1960	23.8 °C	2,156 mm	145
1959	37.5 °C16 June 1959	8.7 °C14 January 1959	23.7 °C	1,736 mm	147
1958	41.1 °C23 April 1958	7.3 °C1 February 1958	23.8 °C	1,628 mm	160
1957	39.4 °C12 May 1957	5.7 °C14 February 1957	23.7 °C	2,080 mm	150
1956	37.9 °C19 April 1956	6.5 °C10 January 1956	23.2 °C	1,730 mm	142
1955	38.9 °C16 April 1955	5.0 °C12 January 1955	23.2 °C	1,677 mm	126
1954	38.8 °C23 July 1954	7.1 °C17 December 1954	23.9 °C	1,394 mm	142
1953	37.7 °C26 June 1953	10.1 °C12 December 1953	23.7 °C	1,765 mm	140
1952	37.9 °C3 May 1952	7.6 °C19 February 1952	24.0 °C	1,925 mm	129
1951	35.3 °C26 August 1951	8.5 °C14 January 1951	23.3 °C	1,946 mm	120
1950	37.8 °C21 April 1950	9.4 °C11 December 1950	23.6 °C	1,680 mm	137
1949	40.3 °C13 June 1949	5.7 °C10 January 1949	24.0 °C	1,516 mm	141
1948	35.3 °C24 April 1948	8.1 °C3 January 1948	23.3 °C	1,535 mm	117
1947	36.3 °C14 June 1947	7.8 °C30 December 1947	23.0 °C	1,486 mm	106
1946	40.8 °C31 July 1946	7.7 °C11 January 1946	24.7 °C	1,038 mm	166
1945	34.8 °C13 July 1945	7.4 °C9 February 1945	22.1 °C	1,789 mm	93
1944	38.1 °C8 April 1944	4.8 °C21 December 1944	23.0 °C	1,827 mm	103
1943	35.2 °C29 May 1943	6.9 °C13 January 1943	22.6 °C	1,636 mm	88
1942	35.3 °C24 May 1942	8.6 °C7 December 1942	22.9 °C	2,231 mm	79
1941	34.4 °C13 July 1941	9.1 °C4 February 1941	23.2 °C	1,898 mm	109
1940	35.3 °C15 May 1940	7.2 °C26 January 1940	22.8 °C	1,759 mm	95

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

27.9 °C

+0.4 °C

Hot days (≥ 30 °C)

163 d/yr

+15

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2223 mm

+403 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	22.0 °C	+2.1 °C	12 mm	-15 mm
Feb	19.3 °C	-2.0 °C	31 mm	+5 mm
Mar	25.1 °C	+0.1 °C	28 mm	-18 mm
Apr	29.8 °C	+0.7 °C	103 mm	+4 mm
May	31.0 °C	-0.7 °C	342 mm	+114 mm
Jun	32.7 °C	+0.1 °C	384 mm	+105 mm
Jul	33.5 °C	+0.9 °C	339 mm	+62 mm
Aug	32.4 °C	+0.4 °C	355 mm	-7 mm
Sep	32.1 °C	+1.2 °C	344 mm	+81 mm
Oct	29.4 °C	+1.0 °C	170 mm	+32 mm
Nov	24.4 °C	-0.7 °C	78 mm	+25 mm
Dec	23.1 °C	+1.7 °C	37 mm	+14 mm

The year's extremes

Hottest day

38.9 °C

1 Jun 2025

Coldest day

8.9 °C

13 Jan 2025

Wettest day

88.9 mm

29 Sep 2025

Windiest day

21.2 km/h

29 Sep 2025

Strongest gust

72.7 km/h

29 Sep 2025

Hottest feels-like

45.8 °C

2 Jun 2025

Coldest feels-like

7.2 °C

13 Jan 2025

Sunniest day

12.6 h

14 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 Phú Thọ?

Phú Thọ has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 23.8 °C and it receives 1,820 mm of precipitation per year.

What is the hottest day ever recorded in Phú Thọ?

The hottest day measured in Phú Thọ between 1940 and 2025 was 13 May 1969, reaching 41.2 °C.

What is the coldest day in Phú Thọ?

The coldest day measured in Phú Thọ between 1940 and 2025 was 21 December 1944, at 4.8 °C.

Does it snow in Phú Thọ?

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

Has the climate of Phú Thọ warmed?

Yes: Phú Thọ warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Phú Thọ?

The wettest day measured in Phú Thọ between 1940 and 2025 was 13 June 1975, with 192 mm of rain in 24 hours.

What was the windiest day in Phú Thọ?

The windiest day measured in Phú Thọ between 1940 and 2025 was 23 July 1980, with winds reaching 37.0 km/h.

What is the warmest month in Phú Thọ?

The warmest month in Phú Thọ is June (28.8 °C on average); the coldest is January (16.6 °C).

How much does it rain in Phú Thọ?

Phú Thọ receives on average 1,820 mm of precipitation per year, spread over about 164 rainy days.

Is it sunny in Phú Thọ?

Phú Thọ gets on average 6.5 hours of sunshine per day, roughly 2,373 hours per year over 1940-2025.

Are there tropical nights in Phú Thọ?

Yes: Phú Thọ has on average 228 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Phú Thọ?

In Phú Thọ, between 1940 and 2025, the highest apparent temperature reached 47.9 °C on 30 May 2015, and the lowest was 2.6 °C on 19 January 1961.

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