Nghĩa Lộ climate — normals and trends

Q: What is the climate of Nghĩa Lộ?

Nghĩa Lộ has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.9 °C and it receives 2,601 mm of precipitation per year.

Q: What is the hottest day ever recorded in Nghĩa Lộ?

The hottest day measured in Nghĩa Lộ between 1940 and 2025 was 18 May 2019, reaching 34.4 °C.

Q: What is the coldest day in Nghĩa Lộ?

The coldest day measured in Nghĩa Lộ between 1940 and 2025 was 31 December 1975, at -2.2 °C.

Q: Does it snow in Nghĩa Lộ?

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

Q: Has the climate of Nghĩa Lộ warmed?

Yes: Nghĩa Lộ warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Nghĩa Lộ?

The wettest day measured in Nghĩa Lộ between 1940 and 2025 was 24 July 1996, with 219 mm of rain in 24 hours.

Q: What was the windiest day in Nghĩa Lộ?

The windiest day measured in Nghĩa Lộ between 1940 and 2025 was 24 July 1996, with winds reaching 16.3 km/h.

Q: What is the warmest month in Nghĩa Lộ?

The warmest month in Nghĩa Lộ is June (23.6 °C on average); the coldest is January (12.1 °C).

Q: How much does it rain in Nghĩa Lộ?

Nghĩa Lộ receives on average 2,601 mm of precipitation per year, spread over about 245 rainy days.

Q: Is it sunny in Nghĩa Lộ?

Nghĩa Lộ gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.

Nghĩa Lộ (Vietnam) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.9 °C and it receives 2,601 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 (23.6 °C on average) and the coldest is January (12.1 °C). Rainfall peaks in August.

Nghĩa Lộ averages 0 frost days, 11 hot days (≥ 30 °C) and 245 rainy days per year.

Nghĩa Lộ has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.4 °C (on 18 May 2019) and the coldest -2.2 °C (on 31 December 1975).

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

Nghĩa LộLao Cai

coords: 21.60°, 104.52°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJuneColdest monthJanuaryWettest monthAugustDriest monthDecember

Mean daily temperature

18.9°C

Average daily high

22.7°C

Average daily low

16.0°C

Annual rainfall

2,601mm

Sunshine / day

8.0h

Mean relative humidity

85%

Average peak wind

6.1km/h

Seasonal range

11.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

11 d/yr

Rainy days (≥ 1 mm)

245 d/yr

Annual snowfall

0.1 cm

Average feels-like high

25.3 °C

Average feels-like low

17.3 °C

Average peak gust

29.8 km/h

Tropical nights (≥ 20 °C)

98 d/yr

Solar radiation

14.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °C

since 1940

+0.2 °C per decade · r² = 0.57 · 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

34.4 °C

18 May 2019

Coldest day

-2.2 °C

31 December 1975

Wettest day

219 mm

24 July 1996

Windiest day

16.3 km/h

24 July 1996

Strongest gust

103.3 km/h

23 July 1980

Hottest feels-like

39.6 °C

1 June 2023

Coldest feels-like

-5.4 °C

31 December 1975

Snowiest day

4.3 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	32.4 °C8 May 2025	3.1 °C13 January 2025	19.5 °C	3,024 mm	15	0
2024	33.5 °C29 April 2024	3.3 °C24 January 2024	20.3 °C	3,264 mm	28	0
2023	33.6 °C6 May 2023	4.6 °C30 January 2023	20.1 °C	2,200 mm	29	0
2022	31.7 °C17 July 2022	3.9 °C21 February 2022	19.4 °C	2,707 mm	16	0
2021	33.3 °C22 May 2021	2.8 °C9 January 2021	19.7 °C	2,163 mm	37	0
2020	33.6 °C21 May 2020	6.3 °C31 December 2020	19.8 °C	2,346 mm	33	0
2019	34.4 °C18 May 2019	3.7 °C10 December 2019	20.4 °C	2,599 mm	41	0
2018	31.4 °C4 July 2018	3.8 °C30 January 2018	19.7 °C	2,903 mm	15	0
2017	33.3 °C4 June 2017	4.3 °C20 December 2017	19.6 °C	2,947 mm	14	0
2016	31.4 °C10 July 2016	0.3 °C25 January 2016	19.9 °C	2,302 mm	25	0
2015	33.2 °C29 May 2015	4.6 °C15 January 2015	20.2 °C	2,596 mm	42	0
2014	33.2 °C14 May 2014	1.5 °C23 January 2014	19.5 °C	2,502 mm	17	0
2013	32.5 °C16 May 2013	3.1 °C19 December 2013	19.2 °C	2,557 mm	15	0
2012	33.2 °C1 May 2012	4.3 °C25 January 2012	19.5 °C	2,510 mm	12	0
2011	31.5 °C7 July 2011	3.7 °C27 December 2011	18.2 °C	2,134 mm	7	0
2010	33.1 °C6 May 2010	4.5 °C19 February 2010	19.9 °C	2,250 mm	34	0
2009	30.7 °C9 August 2009	3.7 °C11 January 2009	19.5 °C	2,274 mm	7	0
2008	31.3 °C8 April 2008	2.5 °C14 February 2008	18.7 °C	2,911 mm	7	0
2007	31.2 °C24 May 2007	2.9 °C29 January 2007	19.4 °C	2,398 mm	7	0
2006	32.3 °C11 April 2006	3.1 °C23 December 2006	19.4 °C	2,325 mm	9	0
2005	31.4 °C17 May 2005	3.7 °C1 January 2005	19.2 °C	2,437 mm	17	0
2004	31.6 °C3 July 2004	4.0 °C22 January 2004	18.9 °C	2,290 mm	5	0
2003	32.2 °C6 May 2003	5.3 °C21 December 2003	19.7 °C	2,276 mm	13	0
2002	31.8 °C1 June 2002	4.7 °C27 December 2002	19.5 °C	2,769 mm	3	0
2001	31.3 °C21 April 2001	4.5 °C23 December 2001	19.3 °C	2,168 mm	8	0
2000	30.8 °C24 April 2000	2.8 °C2 February 2000	19.2 °C	2,309 mm	3	0
1999	30.2 °C20 July 1999	1.0 °C28 December 1999	19.2 °C	1,987 mm	1	0
1998	31.9 °C15 June 1998	5.0 °C6 February 1998	19.9 °C	2,301 mm	15	0
1997	31.8 °C6 June 1997	4.7 °C12 January 1997	19.2 °C	2,940 mm	10	0
1996	31.8 °C6 May 1996	2.7 °C21 February 1996	18.7 °C	3,052 mm	5	0
1995	32.0 °C20 May 1995	2.5 °C31 December 1995	18.8 °C	2,456 mm	13	0
1994	33.1 °C3 May 1994	4.0 °C22 January 1994	19.3 °C	3,558 mm	5	0
1993	31.2 °C1 June 1993	2.0 °C31 January 1993	18.9 °C	2,528 mm	6	0
1992	31.5 °C8 May 1992	4.9 °C17 January 1992	18.7 °C	2,710 mm	5	0
1991	31.3 °C10 April 1991	3.5 °C28 December 1991	19.4 °C	2,683 mm	4	0
1990	32.8 °C22 April 1990	3.8 °C1 February 1990	19.1 °C	2,683 mm	8	0
1989	31.2 °C18 June 1989	3.9 °C15 January 1989	18.7 °C	2,812 mm	11	0
1988	32.7 °C21 May 1988	4.1 °C19 February 1988	18.9 °C	2,227 mm	15	0
1987	32.3 °C21 May 1987	3.3 °C8 December 1987	19.6 °C	2,549 mm	22	0
1986	31.7 °C2 July 1986	2.5 °C11 January 1986	18.9 °C	2,642 mm	10	0
1985	30.6 °C5 May 1985	2.1 °C25 December 1985	18.5 °C	2,769 mm	4	0
1984	31.8 °C19 March 1984	2.6 °C9 January 1984	18.6 °C	2,174 mm	11	0
1983	32.5 °C19 June 1983	2.3 °C24 January 1983	18.7 °C	2,902 mm	31	0
1982	32.1 °C12 May 1982	0.0 °C28 December 1982	19.0 °C	2,938 mm	8	0
1981	30.4 °C25 August 1981	3.5 °C21 December 1981	19.2 °C	3,394 mm	3	0
1980	31.8 °C24 April 1980	2.4 °C9 February 1980	19.1 °C	2,857 mm	15	0
1979	31.5 °C13 May 1979	5.7 °C31 January 1979	19.0 °C	2,477 mm	9	0
1978	31.3 °C25 June 1978	3.6 °C17 December 1978	18.7 °C	3,695 mm	3	0
1977	32.4 °C9 June 1977	2.3 °C31 January 1977	18.6 °C	2,181 mm	19	0
1976	31.2 °C18 June 1976	1.7 °C1 January 1976	18.2 °C	2,406 mm	7	0
1975	30.1 °C10 April 1975	-2.2 °C31 December 1975	18.6 °C	2,982 mm	3	3
1974	31.6 °C8 May 1974	0.0 °C3 January 1974	18.5 °C	2,674 mm	5	0
1973	33.6 °C8 April 1973	2.1 °C30 December 1973	19.4 °C	3,187 mm	22	0
1972	31.7 °C10 July 1972	2.4 °C8 February 1972	18.9 °C	3,115 mm	16	0
1971	30.3 °C18 June 1971	0.4 °C10 January 1971	18.2 °C	2,977 mm	4	0
1970	32.7 °C12 May 1970	5.3 °C18 January 1970	18.7 °C	2,609 mm	6	0
1969	33.0 °C15 May 1969	3.3 °C6 February 1969	18.9 °C	2,209 mm	15	0
1968	31.0 °C30 July 1968	2.7 °C8 February 1968	18.8 °C	2,905 mm	9	0
1967	31.9 °C30 March 1967	1.6 °C16 January 1967	18.4 °C	2,390 mm	18	0
1966	31.6 °C12 May 1966	2.4 °C1 January 1966	18.6 °C	2,471 mm	5	0
1965	31.2 °C14 May 1965	2.8 °C18 December 1965	18.4 °C	2,569 mm	8	0
1964	30.8 °C19 May 1964	1.0 °C19 December 1964	18.6 °C	2,913 mm	5	0
1963	30.4 °C6 September 1963	1.4 °C16 January 1963	18.6 °C	2,688 mm	5	0
1962	32.3 °C8 May 1962	2.9 °C7 December 1962	18.5 °C	2,416 mm	7	0
1961	31.2 °C2 July 1961	1.6 °C19 January 1961	19.0 °C	2,808 mm	8	0
1960	33.2 °C5 May 1960	2.1 °C3 January 1960	19.1 °C	2,621 mm	10	0
1959	32.5 °C4 May 1959	2.6 °C11 January 1959	18.8 °C	2,325 mm	6	0
1958	33.2 °C22 May 1958	2.2 °C1 February 1958	18.8 °C	2,506 mm	22	0
1957	33.8 °C13 May 1957	1.2 °C12 February 1957	19.0 °C	2,815 mm	22	0
1956	31.1 °C19 April 1956	1.2 °C9 January 1956	18.3 °C	2,415 mm	4	0
1955	31.6 °C16 April 1955	1.1 °C12 January 1955	18.2 °C	2,321 mm	5	0
1954	31.8 °C16 April 1954	2.0 °C16 December 1954	19.0 °C	2,062 mm	12	0
1953	31.5 °C21 May 1953	5.1 °C13 December 1953	19.0 °C	2,160 mm	8	0
1952	32.0 °C10 April 1952	2.4 °C19 February 1952	19.2 °C	2,717 mm	7	0
1951	31.6 °C10 April 1951	3.6 °C14 January 1951	18.6 °C	3,080 mm	1	0
1950	32.2 °C21 April 1950	3.8 °C19 February 1950	18.6 °C	2,697 mm	4	0
1949	32.7 °C14 June 1949	2.7 °C9 January 1949	19.0 °C	2,263 mm	17	0
1948	31.0 °C13 March 1948	1.6 °C4 January 1948	18.3 °C	2,252 mm	4	0
1947	30.2 °C17 July 1947	2.4 °C20 December 1947	18.2 °C	1,941 mm	2	0
1946	30.8 °C20 August 1946	2.9 °C13 January 1946	18.7 °C	1,903 mm	5	0
1945	29.1 °C14 July 1945	1.1 °C9 February 1945	17.3 °C	2,153 mm	0	0
1944	29.9 °C8 April 1944	-0.1 °C21 December 1944	18.0 °C	2,942 mm	0	1
1943	29.5 °C27 April 1943	3.1 °C13 January 1943	17.8 °C	2,821 mm	0	0
1942	30.3 °C24 May 1942	3.3 °C14 February 1942	18.0 °C	3,215 mm	4	0
1941	30.3 °C24 April 1941	2.4 °C4 February 1941	18.3 °C	2,948 mm	2	0
1940	29.3 °C16 May 1940	2.4 °C25 January 1940	17.9 °C	2,536 mm	0	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

23.2 °C

+0.5 °C

Hot days (≥ 30 °C)

15 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

3024 mm

+423 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	16.5 °C	+0.5 °C	44 mm	-29 mm
Feb	16.7 °C	-1.1 °C	81 mm	-5 mm
Mar	21.4 °C	0.0 °C	90 mm	-52 mm
Apr	24.7 °C	+0.1 °C	290 mm	+79 mm
May	26.4 °C	-0.2 °C	310 mm	+13 mm
Jun	27.3 °C	+0.2 °C	366 mm	+28 mm
Jul	28.0 °C	+1.0 °C	540 mm	+181 mm
Aug	27.3 °C	+0.8 °C	477 mm	+51 mm
Sep	26.6 °C	+1.1 °C	468 mm	+139 mm
Oct	24.1 °C	+1.0 °C	189 mm	-1 mm
Nov	19.7 °C	-0.5 °C	90 mm	+2 mm
Dec	18.6 °C	+1.7 °C	79 mm	+18 mm

The year's extremes

Hottest day

32.4 °C

8 May 2025

Coldest day

3.1 °C

13 Jan 2025

Wettest day

159.6 mm

29 Sep 2025

Windiest day

13.6 km/h

29 Sep 2025

Strongest gust

91.4 km/h

29 Sep 2025

Hottest feels-like

38.6 °C

29 Jul 2025

Coldest feels-like

0.9 °C

13 Jan 2025

Sunniest day

12.7 h

17 Jul 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 Nghĩa Lộ?

Nghĩa Lộ has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.9 °C and it receives 2,601 mm of precipitation per year.

What is the hottest day ever recorded in Nghĩa Lộ?

The hottest day measured in Nghĩa Lộ between 1940 and 2025 was 18 May 2019, reaching 34.4 °C.

What is the coldest day in Nghĩa Lộ?

The coldest day measured in Nghĩa Lộ between 1940 and 2025 was 31 December 1975, at -2.2 °C.

Does it snow in Nghĩa Lộ?

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

Has the climate of Nghĩa Lộ warmed?

Yes: Nghĩa Lộ warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Nghĩa Lộ?

The wettest day measured in Nghĩa Lộ between 1940 and 2025 was 24 July 1996, with 219 mm of rain in 24 hours.

What was the windiest day in Nghĩa Lộ?

The windiest day measured in Nghĩa Lộ between 1940 and 2025 was 24 July 1996, with winds reaching 16.3 km/h.

What is the warmest month in Nghĩa Lộ?

The warmest month in Nghĩa Lộ is June (23.6 °C on average); the coldest is January (12.1 °C).

How much does it rain in Nghĩa Lộ?

Nghĩa Lộ receives on average 2,601 mm of precipitation per year, spread over about 245 rainy days.

Is it sunny in Nghĩa Lộ?

Nghĩa Lộ gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.

What is the biggest single-day snowfall in Nghĩa Lộ?

The heaviest 24-hour snowfall measured in Nghĩa Lộ between 1940 and 2025 was 24 January 2016, with 4.3 cm.

Are there tropical nights in Nghĩa Lộ?

Yes: Nghĩa Lộ has on average 98 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Nghĩa Lộ?

In Nghĩa Lộ, between 1940 and 2025, the highest apparent temperature reached 39.6 °C on 1 June 2023, and the lowest was -5.4 °C on 31 December 1975.

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