Montemorelos climate — normals and trends

Q: What is the climate of Montemorelos?

Montemorelos has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.8 °C and it receives 739 mm of precipitation per year.

Q: What is the hottest day ever recorded in Montemorelos?

The hottest day measured in Montemorelos between 1940 and 2025 was 6 July 1998, reaching 41.7 °C.

Q: What is the coldest day in Montemorelos?

The coldest day measured in Montemorelos between 1940 and 2025 was 12 January 1962, at -7.2 °C.

Q: Does it snow in Montemorelos?

Almost never: Montemorelos sees virtually no snow, with about 1 frost days per year.

Q: Has the climate of Montemorelos warmed?

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

Q: What is the wettest day in Montemorelos?

The wettest day measured in Montemorelos between 1940 and 2025 was 20 July 2005, with 193 mm of rain in 24 hours.

Q: What was the windiest day in Montemorelos?

The windiest day measured in Montemorelos between 1940 and 2025 was 17 September 1988, with winds reaching 48.0 km/h.

Q: What is the warmest month in Montemorelos?

The warmest month in Montemorelos is August (28.0 °C on average); the coldest is January (13.9 °C).

Q: How much does it rain in Montemorelos?

Montemorelos receives on average 739 mm of precipitation per year, spread over about 88 rainy days.

Q: Is it sunny in Montemorelos?

Montemorelos gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

Montemorelos (Mexico) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 21.8 °C and it receives 739 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 August (28.0 °C on average) and the coldest is January (13.9 °C). Rainfall peaks in September.

Montemorelos averages 1 frost days, 161 hot days (≥ 30 °C) and 88 rainy days per year.

Montemorelos 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 41.7 °C (on 6 July 1998) and the coldest -7.2 °C (on 12 January 1962).

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

MontemorelosNuevo León

coords: 25.19°, -99.83°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthSeptemberDriest monthDecember

Mean daily temperature

21.8°C

Average daily high

27.9°C

Average daily low

16.3°C

Annual rainfall

739mm

Sunshine / day

10.6h

Mean relative humidity

67%

Average peak wind

13.2km/h

Seasonal range

14.1°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

161 d/yr

Rainy days (≥ 1 mm)

88 d/yr

Annual snowfall

0.3 cm

Average feels-like high

29.4 °C

Average feels-like low

16.6 °C

Average peak gust

31.4 km/h

Tropical nights (≥ 20 °C)

135 d/yr

Solar radiation

19.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °C

since 1940

+0.2 °C per decade · r² = 0.32 · 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

41.7 °C

6 July 1998

Coldest day

-7.2 °C

12 January 1962

Wettest day

193 mm

20 July 2005

Windiest day

48.0 km/h

17 September 1988

Strongest gust

119.2 km/h

20 July 2005

Hottest feels-like

47.0 °C

15 June 1998

Coldest feels-like

-11.7 °C

25 December 1983

Snowiest day

5.0 cm

24 December 2004

Sunniest day

13.2 h

11 July 1946

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	40.7 °C14 May 2025	-3.5 °C22 January 2025	23.2 °C	553 mm	220	2
2024	40.7 °C5 June 2024	-2.1 °C16 January 2024	23.2 °C	1,011 mm	188	2
2023	41.3 °C19 June 2023	3.4 °C2 February 2023	23.4 °C	516 mm	198	0
2022	40.3 °C6 June 2022	-2.6 °C24 December 2022	22.5 °C	477 mm	195	3
2021	41.2 °C3 May 2021	-3.5 °C15 February 2021	22.8 °C	553 mm	193	3
2020	38.9 °C13 July 2020	1.3 °C25 December 2020	22.6 °C	769 mm	170	0
2019	41.2 °C8 June 2019	2.3 °C13 November 2019	22.8 °C	639 mm	196	0
2018	40.0 °C24 July 2018	-2.0 °C18 January 2018	22.4 °C	705 mm	179	6
2017	39.4 °C23 June 2017	-1.7 °C9 December 2017	22.9 °C	527 mm	183	2
2016	40.0 °C11 August 2016	1.9 °C28 January 2016	22.8 °C	673 mm	193	0
2015	39.1 °C26 July 2015	2.3 °C24 February 2015	21.8 °C	777 mm	169	0
2014	39.8 °C12 June 2014	-0.6 °C29 January 2014	21.5 °C	866 mm	161	2
2013	40.1 °C8 August 2013	1.5 °C8 December 2013	22.1 °C	967 mm	174	0
2012	41.3 °C24 May 2012	2.9 °C13 January 2012	23.3 °C	572 mm	223	0
2011	40.4 °C17 June 2011	-5.8 °C4 February 2011	23.4 °C	382 mm	229	5
2010	38.3 °C7 May 2010	-2.0 °C9 January 2010	22.0 °C	966 mm	181	2
2009	39.8 °C26 July 2009	1.4 °C5 December 2009	23.0 °C	597 mm	198	0
2008	40.4 °C10 August 2008	-0.3 °C3 January 2008	22.5 °C	884 mm	179	1
2007	37.4 °C13 July 2007	-0.9 °C17 January 2007	22.1 °C	705 mm	183	1
2006	39.8 °C10 May 2006	2.2 °C13 February 2006	22.9 °C	745 mm	192	0
2005	39.6 °C3 July 2005	2.0 °C8 December 2005	22.3 °C	925 mm	175	0
2004	39.2 °C19 July 2004	-4.3 °C25 December 2004	21.9 °C	660 mm	143	3
2003	40.5 °C15 May 2003	1.1 °C18 January 2003	21.9 °C	1,094 mm	139	0
2002	41.4 °C2 May 2002	0.0 °C3 January 2002	22.4 °C	907 mm	187	0
2001	39.1 °C22 July 2001	0.6 °C3 January 2001	22.3 °C	684 mm	161	0
2000	39.3 °C5 September 2000	2.5 °C12 December 2000	22.7 °C	601 mm	187	0
1999	38.6 °C22 April 1999	1.0 °C5 January 1999	22.6 °C	567 mm	177	0
1998	41.7 °C6 July 1998	1.4 °C23 December 1998	23.2 °C	474 mm	174	0
1997	39.8 °C9 August 1997	-2.0 °C14 January 1997	21.2 °C	808 mm	148	3
1996	39.8 °C4 August 1996	-1.5 °C19 December 1996	22.4 °C	668 mm	179	2
1995	38.7 °C24 July 1995	4.5 °C5 January 1995	22.1 °C	722 mm	157	0
1994	40.0 °C30 June 1994	3.0 °C1 February 1994	22.2 °C	724 mm	155	0
1993	37.4 °C24 July 1993	2.0 °C31 October 1993	21.6 °C	793 mm	139	0
1992	39.6 °C30 June 1992	2.3 °C16 January 1992	21.2 °C	989 mm	126	0
1991	38.8 °C6 March 1991	3.6 °C3 November 1991	21.7 °C	853 mm	152	0
1990	38.8 °C1 June 1990	1.1 °C9 December 1990	22.3 °C	622 mm	151	0
1989	38.8 °C25 May 1989	-5.9 °C23 December 1989	21.5 °C	646 mm	166	4
1988	37.7 °C10 August 1988	0.5 °C7 February 1988	21.1 °C	916 mm	135	0
1987	37.7 °C14 August 1987	0.7 °C22 January 1987	20.9 °C	957 mm	117	0
1986	38.0 °C17 August 1986	2.4 °C12 December 1986	21.8 °C	914 mm	162	0
1985	37.9 °C8 September 1985	-3.0 °C2 February 1985	21.6 °C	786 mm	157	5
1984	39.7 °C5 May 1984	-0.8 °C21 January 1984	21.4 °C	778 mm	134	1
1983	39.6 °C2 May 1983	-7.0 °C25 December 1983	21.4 °C	815 mm	151	5
1982	39.4 °C13 April 1982	-0.2 °C7 February 1982	22.2 °C	751 mm	184	1
1981	37.1 °C16 August 1981	0.6 °C23 January 1981	21.5 °C	1,030 mm	149	0
1980	38.9 °C2 July 1980	1.2 °C10 February 1980	21.8 °C	698 mm	168	0
1979	36.8 °C30 May 1979	-3.6 °C3 January 1979	21.1 °C	599 mm	138	4
1978	38.1 °C17 August 1978	-0.5 °C10 December 1978	20.9 °C	994 mm	147	1
1977	37.8 °C2 August 1977	0.7 °C22 December 1977	21.2 °C	637 mm	153	0
1976	36.8 °C15 May 1976	-0.8 °C9 January 1976	20.1 °C	1,018 mm	111	2
1975	36.8 °C15 June 1975	-3.5 °C13 January 1975	21.1 °C	931 mm	124	2
1974	40.6 °C7 June 1974	2.5 °C26 November 1974	21.3 °C	607 mm	142	0
1973	39.1 °C27 May 1973	-2.9 °C10 February 1973	20.6 °C	1,212 mm	106	6
1972	37.0 °C13 April 1972	1.3 °C5 January 1972	21.6 °C	908 mm	150	0
1971	38.1 °C6 May 1971	-1.9 °C6 January 1971	22.2 °C	777 mm	154	2
1970	36.8 °C18 April 1970	-1.0 °C8 January 1970	21.0 °C	776 mm	129	2
1969	39.3 °C22 June 1969	0.5 °C5 January 1969	21.9 °C	718 mm	135	0
1968	37.3 °C13 August 1968	1.3 °C7 January 1968	20.7 °C	901 mm	117	0
1967	39.1 °C31 May 1967	0.5 °C10 January 1967	21.5 °C	932 mm	142	0
1966	36.7 °C17 August 1966	-0.7 °C30 January 1966	20.1 °C	922 mm	122	2
1965	37.7 °C16 September 1965	0.9 °C4 March 1965	21.7 °C	706 mm	178	0
1964	39.6 °C20 August 1964	-2.0 °C14 January 1964	21.6 °C	528 mm	172	3
1963	39.8 °C9 April 1963	-3.3 °C13 January 1963	21.7 °C	498 mm	176	4
1962	38.9 °C7 August 1962	-7.2 °C12 January 1962	22.2 °C	392 mm	185	4
1961	38.6 °C22 May 1961	0.8 °C7 February 1961	21.6 °C	396 mm	187	0
1960	40.2 °C30 July 1960	-0.5 °C25 February 1960	21.2 °C	458 mm	160	1
1959	37.5 °C10 August 1959	0.8 °C5 January 1959	20.9 °C	533 mm	166	0
1958	40.0 °C22 August 1958	-0.3 °C13 February 1958	21.1 °C	1,004 mm	144	1
1957	41.3 °C28 June 1957	0.1 °C12 December 1957	22.3 °C	792 mm	172	0
1956	38.6 °C16 June 1956	-0.7 °C4 February 1956	22.1 °C	432 mm	194	1
1955	40.0 °C26 May 1955	-1.2 °C24 January 1955	22.1 °C	559 mm	188	2
1954	39.8 °C27 July 1954	2.6 °C29 December 1954	22.8 °C	539 mm	191	0
1953	40.3 °C1 May 1953	0.2 °C24 December 1953	22.4 °C	672 mm	170	0
1952	40.0 °C1 September 1952	2.3 °C27 February 1952	21.7 °C	621 mm	149	0
1951	39.9 °C28 July 1951	-4.9 °C2 February 1951	22.1 °C	665 mm	177	6
1950	39.3 °C5 August 1950	-0.1 °C7 December 1950	23.1 °C	390 mm	202	1
1949	38.7 °C24 June 1949	-5.6 °C30 January 1949	21.8 °C	708 mm	159	3
1948	40.2 °C2 May 1948	-2.9 °C29 January 1948	21.4 °C	647 mm	156	3
1947	37.1 °C4 April 1947	-2.5 °C4 January 1947	20.4 °C	788 mm	131	6
1946	38.4 °C30 July 1946	1.2 °C23 January 1946	21.3 °C	919 mm	124	0
1945	39.1 °C14 June 1945	3.7 °C5 December 1945	22.2 °C	684 mm	163	0
1944	39.1 °C26 July 1944	1.2 °C14 January 1944	21.3 °C	908 mm	110	0
1943	39.2 °C3 August 1943	-0.7 °C20 January 1943	21.6 °C	599 mm	153	1
1942	40.4 °C12 June 1942	3.3 °C9 January 1942	20.9 °C	662 mm	129	0
1941	36.7 °C19 August 1941	3.1 °C19 January 1941	20.1 °C	1,280 mm	85	0
1940	36.4 °C5 August 1940	-1.4 °C23 January 1940	20.2 °C	954 mm	103	3

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

29.7 °C

+1.8 °C

Hot days (≥ 30 °C)

220 d/yr

+59

Frost days (< 0 °C)

2 d/yr

Annual rainfall

553 mm

-186 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	17.5 °C	-2.6 °C	12 mm	-21 mm
Feb	24.9 °C	+2.2 °C	13 mm	-21 mm
Mar	29.8 °C	+3.6 °C	53 mm	+6 mm
Apr	32.1 °C	+2.7 °C	2 mm	-65 mm
May	33.1 °C	+1.6 °C	111 mm	+24 mm
Jun	34.0 °C	+0.5 °C	29 mm	-44 mm
Jul	34.4 °C	+0.1 °C	54 mm	+3 mm
Aug	35.9 °C	+1.6 °C	33 mm	-32 mm
Sep	32.0 °C	+1.2 °C	142 mm	-2 mm
Oct	30.7 °C	+3.1 °C	34 mm	-48 mm
Nov	27.9 °C	+4.1 °C	42 mm	+10 mm
Dec	23.7 °C	+2.7 °C	27 mm	+2 mm

The year's extremes

Hottest day

40.7 °C

14 May 2025

Coldest day

-3.5 °C

22 Jan 2025

Wettest day

32.4 mm

26 Nov 2025

Windiest day

29.1 km/h

20 Apr 2025

Strongest gust

61.6 km/h

29 Dec 2025

Hottest feels-like

45.2 °C

15 May 2025

Coldest feels-like

-7.0 °C

22 Jan 2025

Snowiest day

0.8 cm

21 Jan 2025

Sunniest day

13.1 h

9 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 Montemorelos?

Montemorelos has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.8 °C and it receives 739 mm of precipitation per year.

What is the hottest day ever recorded in Montemorelos?

The hottest day measured in Montemorelos between 1940 and 2025 was 6 July 1998, reaching 41.7 °C.

What is the coldest day in Montemorelos?

The coldest day measured in Montemorelos between 1940 and 2025 was 12 January 1962, at -7.2 °C.

Does it snow in Montemorelos?

Almost never: Montemorelos sees virtually no snow, with about 1 frost days per year.

Has the climate of Montemorelos warmed?

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

What is the wettest day in Montemorelos?

The wettest day measured in Montemorelos between 1940 and 2025 was 20 July 2005, with 193 mm of rain in 24 hours.

What was the windiest day in Montemorelos?

The windiest day measured in Montemorelos between 1940 and 2025 was 17 September 1988, with winds reaching 48.0 km/h.

What is the warmest month in Montemorelos?

The warmest month in Montemorelos is August (28.0 °C on average); the coldest is January (13.9 °C).

How much does it rain in Montemorelos?

Montemorelos receives on average 739 mm of precipitation per year, spread over about 88 rainy days.

Is it sunny in Montemorelos?

Montemorelos gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

What is the biggest single-day snowfall in Montemorelos?

The heaviest 24-hour snowfall measured in Montemorelos between 1940 and 2025 was 24 December 2004, with 5.0 cm.

Are there tropical nights in Montemorelos?

Yes: Montemorelos has on average 135 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Montemorelos?

In Montemorelos, between 1940 and 2025, the highest apparent temperature reached 47.0 °C on 15 June 1998, and the lowest was -11.7 °C on 25 December 1983.

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