Thị Trấn Phố Lu climate — normals and trends

Q: What is the climate of Thị Trấn Phố Lu?

Thị Trấn Phố Lu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.5 °C and it receives 2,181 mm of precipitation per year.

Q: What is the hottest day ever recorded in Thị Trấn Phố Lu?

The hottest day measured in Thị Trấn Phố Lu between 1940 and 2025 was 22 May 2023, reaching 39.3 °C.

Q: What is the coldest day in Thị Trấn Phố Lu?

The coldest day measured in Thị Trấn Phố Lu between 1940 and 2025 was 2 January 1974, at -0.7 °C.

Q: Does it snow in Thị Trấn Phố Lu?

Almost never: Thị Trấn Phố Lu sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Thị Trấn Phố Lu warmed?

Yes: Thị Trấn Phố Lu warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Thị Trấn Phố Lu?

The wettest day measured in Thị Trấn Phố Lu between 1940 and 2025 was 19 August 1967, with 240 mm of rain in 24 hours.

Q: What was the windiest day in Thị Trấn Phố Lu?

The windiest day measured in Thị Trấn Phố Lu between 1940 and 2025 was 7 March 1980, with winds reaching 16.3 km/h.

Q: What is the warmest month in Thị Trấn Phố Lu?

The warmest month in Thị Trấn Phố Lu is June (26.6 °C on average); the coldest is January (14.1 °C).

Q: How much does it rain in Thị Trấn Phố Lu?

Thị Trấn Phố Lu receives on average 2,181 mm of precipitation per year, spread over about 241 rainy days.

Q: Is it sunny in Thị Trấn Phố Lu?

Thị Trấn Phố Lu gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.

Thị Trấn Phố Lu (Vietnam) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 21.5 °C and it receives 2,181 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 (26.6 °C on average) and the coldest is January (14.1 °C). Rainfall peaks in August.

Thị Trấn Phố Lu averages 0 frost days, 90 hot days (≥ 30 °C) and 241 rainy days per year.

Thị Trấn Phố Lu has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.3 °C (on 22 May 2023) and the coldest -0.7 °C (on 2 January 1974).

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

Thị Trấn Phố LuLao Cai

coords: 22.32°, 104.19°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJuneColdest monthJanuaryWettest monthAugustDriest monthDecember

Mean daily temperature

21.5°C

Average daily high

25.5°C

Average daily low

18.4°C

Annual rainfall

2,181mm

Sunshine / day

7.9h

Mean relative humidity

84%

Average peak wind

6.5km/h

Seasonal range

12.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

90 d/yr

Rainy days (≥ 1 mm)

241 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.7 °C

Average feels-like low

20.9 °C

Average peak gust

24.5 km/h

Tropical nights (≥ 20 °C)

178 d/yr

Solar radiation

13.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.64 · 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

39.3 °C

22 May 2023

Coldest day

-0.7 °C

2 January 1974

Wettest day

240 mm

19 August 1967

Windiest day

16.3 km/h

7 March 1980

Strongest gust

75.6 km/h

23 July 1980

Hottest feels-like

44.8 °C

1 June 2023

Coldest feels-like

-3.7 °C

2 January 1974

Snowiest day

1.1 cm

24 January 2016

Sunniest day

13.3 h

13 June 2013

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.8 °C2 August 2025	5.7 °C12 January 2025	22.0 °C	2,462 mm	101	0
2024	38.6 °C26 April 2024	7.2 °C24 January 2024	22.9 °C	2,644 mm	123	0
2023	39.3 °C22 May 2023	5.3 °C30 January 2023	22.6 °C	1,824 mm	122	0
2022	36.6 °C17 July 2022	7.1 °C19 December 2022	21.9 °C	2,153 mm	104	0
2021	36.8 °C6 August 2021	5.0 °C10 January 2021	22.3 °C	2,105 mm	113	0
2020	37.4 °C21 May 2020	8.3 °C22 December 2020	22.2 °C	2,345 mm	117	0
2019	38.7 °C19 May 2019	4.1 °C10 December 2019	22.8 °C	1,960 mm	132	0
2018	36.6 °C6 July 2018	6.1 °C30 January 2018	22.3 °C	2,234 mm	91	0
2017	37.5 °C5 June 2017	4.6 °C21 December 2017	22.2 °C	2,591 mm	92	0
2016	36.7 °C10 July 2016	5.1 °C25 January 2016	22.6 °C	1,686 mm	129	0
2015	37.5 °C29 May 2015	7.4 °C15 January 2015	23.0 °C	2,006 mm	135	0
2014	38.2 °C24 May 2014	4.5 °C21 January 2014	22.1 °C	2,271 mm	111	0
2013	37.9 °C16 May 2013	6.7 °C20 December 2013	22.0 °C	1,950 mm	119	0
2012	38.3 °C4 May 2012	5.9 °C26 January 2012	22.0 °C	2,081 mm	103	0
2011	35.4 °C31 August 2011	6.5 °C26 December 2011	20.9 °C	1,689 mm	92	0
2010	38.3 °C6 May 2010	8.3 °C19 February 2010	22.5 °C	1,657 mm	122	0
2009	35.5 °C19 June 2009	7.1 °C30 January 2009	22.2 °C	1,703 mm	112	0
2008	36.1 °C22 August 2008	6.1 °C7 February 2008	21.5 °C	2,447 mm	107	0
2007	35.6 °C28 June 2007	4.1 °C29 January 2007	21.9 °C	1,853 mm	100	0
2006	35.3 °C6 May 2006	5.4 °C23 December 2006	22.1 °C	2,141 mm	90	0
2005	36.4 °C17 May 2005	5.7 °C21 December 2005	21.8 °C	1,856 mm	117	0
2004	37.5 °C3 July 2004	6.0 °C9 February 2004	21.6 °C	1,677 mm	87	0
2003	38.1 °C7 May 2003	6.5 °C7 January 2003	22.5 °C	1,708 mm	110	0
2002	36.4 °C1 June 2002	7.9 °C27 December 2002	22.2 °C	2,266 mm	110	0
2001	36.2 °C21 April 2001	5.3 °C26 December 2001	21.9 °C	2,083 mm	93	0
2000	35.6 °C25 April 2000	6.2 °C2 February 2000	21.7 °C	2,004 mm	78	0
1999	35.1 °C6 June 1999	1.3 °C27 December 1999	21.9 °C	1,734 mm	91	0
1998	35.9 °C2 May 1998	6.6 °C16 December 1998	22.5 °C	1,793 mm	106	0
1997	36.8 °C9 June 1997	8.9 °C17 February 1997	21.8 °C	2,378 mm	84	0
1996	36.2 °C6 May 1996	2.8 °C1 January 1996	21.3 °C	2,203 mm	79	0
1995	36.9 °C25 May 1995	2.3 °C31 December 1995	21.4 °C	2,335 mm	79	0
1994	37.5 °C3 May 1994	6.9 °C22 January 1994	21.9 °C	2,657 mm	93	0
1993	35.3 °C1 June 1993	2.6 °C28 December 1993	21.6 °C	1,956 mm	108	0
1992	35.7 °C8 May 1992	8.0 °C29 November 1992	21.3 °C	2,195 mm	109	0
1991	35.9 °C10 April 1991	7.1 °C31 December 1991	21.9 °C	2,449 mm	95	0
1990	37.1 °C22 August 1990	4.9 °C2 February 1990	21.8 °C	2,050 mm	95	0
1989	36.0 °C21 April 1989	7.2 °C10 February 1989	21.3 °C	2,279 mm	89	0
1988	36.5 °C24 May 1988	6.5 °C20 February 1988	21.3 °C	2,505 mm	85	0
1987	36.6 °C25 May 1987	4.6 °C26 December 1987	22.2 °C	1,903 mm	117	0
1986	36.7 °C2 July 1986	4.0 °C11 January 1986	21.4 °C	2,436 mm	86	0
1985	36.4 °C6 May 1985	4.8 °C24 December 1985	21.1 °C	2,274 mm	85	0
1984	36.5 °C19 March 1984	5.2 °C23 January 1984	21.2 °C	1,779 mm	97	0
1983	37.3 °C24 May 1983	4.6 °C27 January 1983	21.3 °C	2,296 mm	107	0
1982	35.4 °C12 May 1982	2.4 °C28 December 1982	21.5 °C	2,319 mm	84	0
1981	34.9 °C8 August 1981	7.3 °C12 January 1981	21.8 °C	2,600 mm	114	0
1980	36.9 °C22 April 1980	5.5 °C6 February 1980	21.7 °C	2,468 mm	83	0
1979	35.4 °C13 May 1979	6.6 °C17 January 1979	21.6 °C	1,737 mm	96	0
1978	35.9 °C13 June 1978	6.2 °C18 December 1978	21.4 °C	2,930 mm	89	0
1977	36.7 °C9 June 1977	2.8 °C1 February 1977	21.3 °C	2,167 mm	88	0
1976	35.6 °C17 June 1976	4.0 °C1 January 1976	20.9 °C	2,438 mm	86	0
1975	35.3 °C17 August 1975	0.5 °C31 December 1975	21.3 °C	2,193 mm	98	0
1974	35.6 °C8 April 1974	-0.7 °C2 January 1974	21.1 °C	2,237 mm	79	2
1973	37.1 °C8 April 1973	1.5 °C31 December 1973	21.9 °C	2,389 mm	107	0
1972	37.2 °C11 May 1972	5.6 °C8 February 1972	21.6 °C	2,343 mm	110	0
1971	35.5 °C18 June 1971	2.2 °C10 January 1971	20.8 °C	2,641 mm	66	0
1970	36.6 °C12 May 1970	7.4 °C6 January 1970	21.2 °C	2,369 mm	88	0
1969	37.0 °C13 May 1969	6.2 °C18 January 1969	21.5 °C	2,097 mm	103	0
1968	35.3 °C2 July 1968	5.2 °C8 February 1968	21.4 °C	2,140 mm	78	0
1967	36.7 °C22 May 1967	4.5 °C20 January 1967	21.2 °C	2,234 mm	96	0
1966	35.6 °C12 May 1966	4.9 °C30 December 1966	20.9 °C	2,320 mm	50	0
1965	35.2 °C14 May 1965	5.9 °C17 January 1965	20.7 °C	2,274 mm	52	0
1964	35.6 °C19 May 1964	4.3 °C19 December 1964	21.2 °C	2,306 mm	80	0
1963	35.4 °C6 June 1963	4.5 °C27 January 1963	21.4 °C	2,484 mm	94	0
1962	36.9 °C8 May 1962	4.9 °C2 December 1962	21.2 °C	2,234 mm	87	0
1961	36.0 °C11 May 1961	2.9 °C18 January 1961	21.6 °C	2,442 mm	90	0
1960	38.9 °C27 April 1960	4.4 °C3 January 1960	21.6 °C	2,222 mm	96	0
1959	36.4 °C4 May 1959	5.4 °C11 January 1959	21.3 °C	2,043 mm	75	0
1958	37.8 °C22 May 1958	5.0 °C1 February 1958	21.3 °C	2,368 mm	94	0
1957	37.3 °C14 May 1957	4.4 °C13 February 1957	21.5 °C	2,423 mm	102	0
1956	35.5 °C19 April 1956	3.4 °C10 January 1956	20.7 °C	2,036 mm	66	0
1955	35.3 °C16 April 1955	2.5 °C12 January 1955	20.5 °C	2,393 mm	40	0
1954	36.2 °C15 April 1954	4.0 °C17 December 1954	21.2 °C	2,072 mm	82	0
1953	35.5 °C21 May 1953	7.0 °C13 December 1953	21.5 °C	2,056 mm	80	0
1952	36.0 °C3 May 1952	4.9 °C20 February 1952	21.5 °C	2,335 mm	73	0
1951	35.1 °C10 April 1951	6.2 °C14 January 1951	21.0 °C	2,408 mm	63	0
1950	35.9 °C2 May 1950	5.4 °C19 February 1950	21.0 °C	2,010 mm	70	0
1949	35.9 °C7 June 1949	4.9 °C10 January 1949	21.4 °C	1,978 mm	82	0
1948	34.3 °C13 March 1948	3.5 °C4 January 1948	20.7 °C	1,999 mm	58	0
1947	34.0 °C6 May 1947	4.5 °C20 December 1947	20.5 °C	1,824 mm	44	0
1946	35.2 °C19 August 1946	4.1 °C7 January 1946	21.0 °C	1,545 mm	81	0
1945	33.1 °C21 June 1945	4.8 °C9 February 1945	19.6 °C	2,211 mm	31	0
1944	33.7 °C8 April 1944	2.9 °C21 December 1944	20.4 °C	2,198 mm	54	0
1943	33.4 °C26 June 1943	5.4 °C10 December 1943	20.1 °C	2,303 mm	48	0
1942	34.8 °C25 May 1942	4.9 °C14 February 1942	20.4 °C	2,945 mm	39	0
1941	35.0 °C26 April 1941	6.9 °C4 February 1941	20.8 °C	2,255 mm	50	0
1940	33.5 °C15 May 1940	4.5 °C1 January 1940	20.3 °C	1,946 mm	51	0

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

25.8 °C

+0.3 °C

Hot days (≥ 30 °C)

101 d/yr

+11

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2462 mm

+281 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	18.2 °C	+0.3 °C	51 mm	-23 mm
Feb	18.1 °C	-1.6 °C	98 mm	+21 mm
Mar	23.9 °C	+0.2 °C	72 mm	-37 mm
Apr	27.7 °C	0.0 °C	113 mm	-21 mm
May	29.5 °C	-0.3 °C	283 mm	+45 mm
Jun	30.0 °C	-0.4 °C	428 mm	+110 mm
Jul	31.8 °C	+1.5 °C	386 mm	+68 mm
Aug	30.7 °C	+0.8 °C	285 mm	-72 mm
Sep	29.7 °C	+1.1 °C	366 mm	+118 mm
Oct	27.0 °C	+1.1 °C	197 mm	+45 mm
Nov	22.3 °C	-0.3 °C	118 mm	+30 mm
Dec	20.7 °C	+1.7 °C	66 mm	-2 mm

The year's extremes

Hottest day

36.8 °C

2 Aug 2025

Coldest day

5.7 °C

12 Jan 2025

Wettest day

117.2 mm

1 Jul 2025

Windiest day

11.5 km/h

29 Mar 2025

Strongest gust

63.4 km/h

29 Sep 2025

Hottest feels-like

43.1 °C

14 Jun 2025

Coldest feels-like

4.0 °C

12 Jan 2025

Sunniest day

12.8 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 Thị Trấn Phố Lu?

Thị Trấn Phố Lu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.5 °C and it receives 2,181 mm of precipitation per year.

What is the hottest day ever recorded in Thị Trấn Phố Lu?

The hottest day measured in Thị Trấn Phố Lu between 1940 and 2025 was 22 May 2023, reaching 39.3 °C.

What is the coldest day in Thị Trấn Phố Lu?

The coldest day measured in Thị Trấn Phố Lu between 1940 and 2025 was 2 January 1974, at -0.7 °C.

Does it snow in Thị Trấn Phố Lu?

Almost never: Thị Trấn Phố Lu sees virtually no snow, with about 0 frost days per year.

Has the climate of Thị Trấn Phố Lu warmed?

Yes: Thị Trấn Phố Lu warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Thị Trấn Phố Lu?

The wettest day measured in Thị Trấn Phố Lu between 1940 and 2025 was 19 August 1967, with 240 mm of rain in 24 hours.

What was the windiest day in Thị Trấn Phố Lu?

The windiest day measured in Thị Trấn Phố Lu between 1940 and 2025 was 7 March 1980, with winds reaching 16.3 km/h.

What is the warmest month in Thị Trấn Phố Lu?

The warmest month in Thị Trấn Phố Lu is June (26.6 °C on average); the coldest is January (14.1 °C).

How much does it rain in Thị Trấn Phố Lu?

Thị Trấn Phố Lu receives on average 2,181 mm of precipitation per year, spread over about 241 rainy days.

Is it sunny in Thị Trấn Phố Lu?

Thị Trấn Phố Lu gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.

What is the biggest single-day snowfall in Thị Trấn Phố Lu?

The heaviest 24-hour snowfall measured in Thị Trấn Phố Lu between 1940 and 2025 was 24 January 2016, with 1.1 cm.

Are there tropical nights in Thị Trấn Phố Lu?

Yes: Thị Trấn Phố Lu has on average 178 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Thị Trấn Phố Lu?

In Thị Trấn Phố Lu, between 1940 and 2025, the highest apparent temperature reached 44.8 °C on 1 June 2023, and the lowest was -3.7 °C on 2 January 1974.

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