Phúc Yên climate — normals and trends

Q: What is the climate of Phúc Yên?

Phúc Yên has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 23.9 °C and it receives 1,890 mm of precipitation per year.

Q: What is the hottest day ever recorded in Phúc Yên?

The hottest day measured in Phúc Yên between 1940 and 2025 was 31 July 1946, reaching 40.7 °C.

Q: What is the coldest day in Phúc Yên?

The coldest day measured in Phúc Yên between 1940 and 2025 was 12 January 1955, at 3.0 °C.

Q: Does it snow in Phúc Yên?

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

Q: Has the climate of Phúc Yên warmed?

Yes: Phúc Yên warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Phúc Yên?

The wettest day measured in Phúc Yên between 1940 and 2025 was 21 June 2010, with 233 mm of rain in 24 hours.

Q: What was the windiest day in Phúc Yên?

The windiest day measured in Phúc Yên between 1940 and 2025 was 7 September 2024, with winds reaching 44.7 km/h.

Q: What is the warmest month in Phúc Yên?

The warmest month in Phúc Yên is July (29.3 °C on average); the coldest is January (16.6 °C).

Q: How much does it rain in Phúc Yên?

Phúc Yên receives on average 1,890 mm of precipitation per year, spread over about 177 rainy days.

Q: Is it sunny in Phúc Yên?

Phúc Yên gets on average 6.6 hours of sunshine per day, roughly 2,409 hours per year over 1940-2025.

Phúc Yên (Vietnam) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 23.9 °C and it receives 1,890 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 (29.3 °C on average) and the coldest is January (16.6 °C). Rainfall peaks in August.

Phúc Yên averages 0 frost days, 154 hot days (≥ 30 °C) and 177 rainy days per year.

Phúc Yên has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.7 °C (on 31 July 1946) and the coldest 3.0 °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

Phúc YênPhu Tho

coords: 21.24°, 105.70°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJulyColdest monthJanuaryWettest monthAugustDriest monthDecember

Mean daily temperature

23.9°C

Average daily high

27.6°C

Average daily low

21.1°C

Annual rainfall

1,890mm

Sunshine / day

6.6h

Mean relative humidity

80%

Average peak wind

11.5km/h

Seasonal range

12.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

154 d/yr

Rainy days (≥ 1 mm)

177 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.4 °C

Average feels-like low

23.9 °C

Average peak gust

25.9 km/h

Tropical nights (≥ 20 °C)

228 d/yr

Solar radiation

13.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.3 °C

since 1940

+0.2 °C per decade · r² = 0.41 · 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

40.7 °C

31 July 1946

Coldest day

3.0 °C

12 January 1955

Wettest day

233 mm

21 June 2010

Windiest day

44.7 km/h

7 September 2024

Strongest gust

102.2 km/h

23 July 1980

Hottest feels-like

47.9 °C

30 May 2015

Coldest feels-like

0.1 °C

12 January 1955

Sunniest day

13.1 h

15 June 1981

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.0 °C1 June 2025	8.0 °C13 January 2025	24.5 °C	2,200 mm	164
2024	38.8 °C27 April 2024	8.9 °C24 January 2024	25.2 °C	2,521 mm	193
2023	38.8 °C17 May 2023	7.8 °C30 January 2023	25.1 °C	1,771 mm	173
2022	37.7 °C4 June 2022	8.9 °C19 December 2022	24.2 °C	2,045 mm	161
2021	39.4 °C3 June 2021	7.6 °C2 January 2021	24.8 °C	1,685 mm	173
2020	39.0 °C21 May 2020	10.8 °C31 January 2020	24.7 °C	2,030 mm	153
2019	38.8 °C19 May 2019	7.8 °C8 December 2019	25.1 °C	1,767 mm	172
2018	39.0 °C4 July 2018	8.8 °C6 February 2018	24.6 °C	2,074 mm	166
2017	40.2 °C3 June 2017	9.2 °C20 December 2017	24.5 °C	2,142 mm	158
2016	38.3 °C2 June 2016	5.9 °C24 January 2016	24.7 °C	1,745 mm	181
2015	38.8 °C29 May 2015	9.2 °C13 January 2015	25.1 °C	1,927 mm	188
2014	38.7 °C22 May 2014	5.7 °C23 January 2014	24.2 °C	1,899 mm	172
2013	38.6 °C16 May 2013	6.3 °C20 December 2013	24.0 °C	1,961 mm	162
2012	38.3 °C1 May 2012	9.2 °C5 January 2012	24.1 °C	1,642 mm	179
2011	37.4 °C7 July 2011	7.6 °C26 December 2011	23.1 °C	1,623 mm	143
2010	38.0 °C19 June 2010	9.4 °C27 December 2010	24.6 °C	2,154 mm	175
2009	37.7 °C8 June 2009	7.3 °C11 January 2009	24.5 °C	1,590 mm	175
2008	37.2 °C8 April 2008	7.0 °C3 January 2008	23.4 °C	1,904 mm	160
2007	37.7 °C8 June 2007	7.8 °C29 January 2007	24.2 °C	1,546 mm	155
2006	37.5 °C12 April 2006	8.5 °C23 December 2006	24.4 °C	1,550 mm	175
2005	37.3 °C13 May 2005	8.1 °C2 January 2005	24.0 °C	1,714 mm	168
2004	38.0 °C3 July 2004	7.2 °C9 February 2004	23.9 °C	1,370 mm	158
2003	39.3 °C6 May 2003	6.9 °C7 January 2003	24.8 °C	1,519 mm	189
2002	37.6 °C21 May 2002	8.8 °C27 December 2002	24.3 °C	1,850 mm	180
2001	37.7 °C21 April 2001	6.9 °C25 December 2001	24.0 °C	1,950 mm	153
2000	36.9 °C18 July 2000	7.4 °C2 February 2000	24.0 °C	1,883 mm	150
1999	36.0 °C27 July 1999	4.2 °C24 December 1999	24.1 °C	1,712 mm	159
1998	38.4 °C15 June 1998	9.9 °C20 January 1998	24.8 °C	1,758 mm	175
1997	38.6 °C8 June 1997	9.1 °C12 January 1997	24.1 °C	1,976 mm	154
1996	38.8 °C6 May 1996	7.1 °C21 February 1996	23.5 °C	2,038 mm	157
1995	38.1 °C21 June 1995	7.1 °C31 December 1995	23.6 °C	1,837 mm	160
1994	39.1 °C3 May 1994	10.0 °C24 January 1994	24.1 °C	2,270 mm	144
1993	37.5 °C1 June 1993	6.1 °C31 January 1993	23.9 °C	1,701 mm	162
1992	37.4 °C4 July 1992	8.5 °C17 January 1992	23.6 °C	1,806 mm	148
1991	36.9 °C24 May 1991	9.0 °C28 December 1991	24.3 °C	1,499 mm	160
1990	38.6 °C22 April 1990	9.4 °C2 February 1990	24.1 °C	2,182 mm	150
1989	37.2 °C18 June 1989	9.1 °C30 January 1989	23.6 °C	2,060 mm	148
1988	39.0 °C21 May 1988	8.0 °C20 February 1988	23.5 °C	1,681 mm	150
1987	38.4 °C21 May 1987	7.1 °C8 December 1987	24.8 °C	1,860 mm	177
1986	38.2 °C2 July 1986	6.6 °C7 January 1986	23.7 °C	2,191 mm	147
1985	38.3 °C27 May 1985	7.8 °C24 December 1985	23.4 °C	1,876 mm	164
1984	37.5 °C14 June 1984	7.0 °C9 January 1984	23.3 °C	1,747 mm	142
1983	39.2 °C19 June 1983	6.1 °C23 January 1983	23.6 °C	1,799 mm	163
1982	37.9 °C21 June 1982	4.6 °C27 December 1982	23.8 °C	2,133 mm	149
1981	37.6 °C25 August 1981	7.8 °C21 December 1981	24.1 °C	2,395 mm	165
1980	38.1 °C31 May 1980	7.9 °C8 February 1980	24.0 °C	2,295 mm	152
1979	37.2 °C15 July 1979	9.9 °C26 December 1979	24.0 °C	2,032 mm	175
1978	37.0 °C25 June 1978	8.2 °C21 January 1978	23.5 °C	2,568 mm	142
1977	37.9 °C30 May 1977	6.3 °C31 January 1977	23.5 °C	1,581 mm	159
1976	36.9 °C16 June 1976	7.7 °C1 January 1976	23.1 °C	1,814 mm	141
1975	36.9 °C30 July 1975	4.1 °C18 December 1975	23.6 °C	2,598 mm	151
1974	37.6 °C8 May 1974	3.3 °C2 January 1974	23.6 °C	1,966 mm	165
1973	39.2 °C20 May 1973	4.4 °C27 December 1973	24.4 °C	2,463 mm	168
1972	39.7 °C10 May 1972	6.8 °C16 January 1972	23.8 °C	2,330 mm	174
1971	37.3 °C4 June 1971	4.7 °C5 January 1971	23.3 °C	2,061 mm	142
1970	37.7 °C9 May 1970	7.7 °C31 January 1970	23.6 °C	1,640 mm	149
1969	38.9 °C13 May 1969	7.7 °C11 December 1969	24.0 °C	1,499 mm	183
1968	37.9 °C24 May 1968	5.2 °C14 February 1968	23.9 °C	1,837 mm	144
1967	39.1 °C6 July 1967	4.0 °C18 January 1967	23.5 °C	1,396 mm	148
1966	37.2 °C12 May 1966	6.7 °C1 January 1966	23.5 °C	2,016 mm	120
1965	36.3 °C14 May 1965	7.0 °C31 December 1965	23.3 °C	1,751 mm	132
1964	37.9 °C18 June 1964	6.5 °C19 December 1964	23.5 °C	2,400 mm	145
1963	35.9 °C13 September 1963	4.6 °C16 January 1963	23.5 °C	2,043 mm	145
1962	37.5 °C28 May 1962	6.2 °C28 January 1962	23.5 °C	1,425 mm	150
1961	37.9 °C1 June 1961	4.3 °C17 January 1961	23.9 °C	2,059 mm	148
1960	38.1 °C6 May 1960	5.1 °C2 January 1960	23.9 °C	2,071 mm	148
1959	37.9 °C12 June 1959	7.6 °C14 January 1959	23.7 °C	1,726 mm	157
1958	39.6 °C10 May 1958	6.1 °C2 February 1958	23.8 °C	1,495 mm	165
1957	38.6 °C12 May 1957	5.0 °C14 February 1957	23.7 °C	1,719 mm	156
1956	37.2 °C4 September 1956	7.4 °C10 January 1956	23.3 °C	1,816 mm	145
1955	38.0 °C16 April 1955	3.0 °C12 January 1955	23.4 °C	1,765 mm	144
1954	38.7 °C18 June 1954	6.9 °C16 December 1954	24.1 °C	1,464 mm	149
1953	38.2 °C26 June 1953	7.9 °C13 December 1953	23.8 °C	1,977 mm	148
1952	37.3 °C11 July 1952	6.8 °C19 February 1952	24.1 °C	2,490 mm	141
1951	35.3 °C17 May 1951	7.6 °C14 January 1951	23.5 °C	2,068 mm	137
1950	37.2 °C21 April 1950	9.5 °C17 February 1950	23.8 °C	2,110 mm	147
1949	40.3 °C14 June 1949	5.2 °C10 January 1949	24.2 °C	1,588 mm	143
1948	35.9 °C1 July 1948	6.8 °C3 January 1948	23.6 °C	1,713 mm	126
1947	36.8 °C14 June 1947	6.5 °C30 December 1947	23.2 °C	1,577 mm	124
1946	40.7 °C31 July 1946	6.5 °C11 January 1946	24.9 °C	942 mm	168
1945	35.2 °C13 July 1945	6.1 °C18 January 1945	22.2 °C	1,881 mm	99
1944	37.1 °C8 April 1944	4.4 °C21 December 1944	23.1 °C	1,917 mm	120
1943	35.8 °C18 June 1943	6.2 °C13 January 1943	22.8 °C	1,617 mm	103
1942	35.6 °C24 May 1942	7.9 °C7 December 1942	23.1 °C	2,268 mm	103
1941	34.5 °C26 April 1941	8.7 °C4 February 1941	23.3 °C	1,972 mm	122
1940	35.5 °C15 May 1940	6.9 °C25 January 1940	22.9 °C	1,967 mm	105

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

28.1 °C

+0.5 °C

Hot days (≥ 30 °C)

164 d/yr

+10

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2200 mm

+310 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	22.5 °C	+2.5 °C	13 mm	-27 mm
Feb	19.4 °C	-1.8 °C	39 mm	-2 mm
Mar	24.7 °C	+0.1 °C	32 mm	-29 mm
Apr	29.4 °C	+0.7 °C	106 mm	-4 mm
May	31.1 °C	-0.6 °C	320 mm	+75 mm
Jun	33.2 °C	+0.3 °C	395 mm	+116 mm
Jul	33.5 °C	+0.5 °C	305 mm	+31 mm
Aug	32.6 °C	+0.4 °C	336 mm	-21 mm
Sep	32.4 °C	+1.2 °C	358 mm	+103 mm
Oct	29.5 °C	+0.8 °C	194 mm	+45 mm
Nov	24.5 °C	-0.9 °C	70 mm	+16 mm
Dec	23.4 °C	+1.7 °C	35 mm	+8 mm

The year's extremes

Hottest day

39.0 °C

1 Jun 2025

Coldest day

8.0 °C

13 Jan 2025

Wettest day

93.3 mm

29 Sep 2025

Windiest day

30.4 km/h

22 Jul 2025

Strongest gust

71.6 km/h

29 Sep 2025

Hottest feels-like

45.8 °C

2 Jun 2025

Coldest feels-like

6.3 °C

13 Jan 2025

Sunniest day

12.5 h

1 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 Phúc Yên?

Phúc Yên has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 23.9 °C and it receives 1,890 mm of precipitation per year.

What is the hottest day ever recorded in Phúc Yên?

The hottest day measured in Phúc Yên between 1940 and 2025 was 31 July 1946, reaching 40.7 °C.

What is the coldest day in Phúc Yên?

The coldest day measured in Phúc Yên between 1940 and 2025 was 12 January 1955, at 3.0 °C.

Does it snow in Phúc Yên?

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

Has the climate of Phúc Yên warmed?

Yes: Phúc Yên warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Phúc Yên?

The wettest day measured in Phúc Yên between 1940 and 2025 was 21 June 2010, with 233 mm of rain in 24 hours.

What was the windiest day in Phúc Yên?

The windiest day measured in Phúc Yên between 1940 and 2025 was 7 September 2024, with winds reaching 44.7 km/h.

What is the warmest month in Phúc Yên?

The warmest month in Phúc Yên is July (29.3 °C on average); the coldest is January (16.6 °C).

How much does it rain in Phúc Yên?

Phúc Yên receives on average 1,890 mm of precipitation per year, spread over about 177 rainy days.

Is it sunny in Phúc Yên?

Phúc Yên gets on average 6.6 hours of sunshine per day, roughly 2,409 hours per year over 1940-2025.

Are there tropical nights in Phúc Yên?

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

What was the most extreme apparent temperature in Phúc Yên?

In Phúc Yên, between 1940 and 2025, the highest apparent temperature reached 47.9 °C on 30 May 2015, and the lowest was 0.1 °C on 12 January 1955.

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