Alenquer climate — normals and trends

Q: What is the climate of Alenquer?

Alenquer has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 15.8 °C and it receives 602 mm of precipitation per year.

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

The hottest day measured in Alenquer between 1940 and 2025 was 1 August 2003, reaching 44.5 °C.

Q: What is the coldest day in Alenquer?

The coldest day measured in Alenquer between 1940 and 2025 was 15 January 1945, at -6.4 °C.

Q: Does it snow in Alenquer?

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

Q: Has the climate of Alenquer warmed?

Yes: Alenquer warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Alenquer?

The wettest day measured in Alenquer between 1940 and 2025 was 13 November 2025, with 85 mm of rain in 24 hours.

Q: What was the windiest day in Alenquer?

The windiest day measured in Alenquer between 1940 and 2025 was 15 February 1941, with winds reaching 68.3 km/h.

Q: What is the warmest month in Alenquer?

The warmest month in Alenquer is August (21.8 °C on average); the coldest is January (10.1 °C).

Q: How much does it rain in Alenquer?

Alenquer receives on average 602 mm of precipitation per year, spread over about 83 rainy days.

Q: Is it sunny in Alenquer?

Alenquer gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Alenquer (Portugal) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 15.8 °C and it receives 602 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 (21.8 °C on average) and the coldest is January (10.1 °C). Rainfall peaks in December.

Alenquer averages 1 frost days, 30 hot days (≥ 30 °C) and 83 rainy days per year.

Alenquer has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The number of frost days there went from about 2 to 0 per year over the period.

The hottest day of the period reached 44.5 °C (on 1 August 2003) and the coldest -6.4 °C (on 15 January 1945).

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

AlenquerLisbon District

coords: 39.05°, -9.01°
period: 1940–2025 · 86 yrs

CsbWarm-summer MediterraneanWarmest monthAugustColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

15.8°C

Average daily high

20.6°C

Average daily low

11.9°C

Annual rainfall

602mm

Sunshine / day

10.2h

Mean relative humidity

74%

Average peak wind

19.4km/h

Seasonal range

11.7°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

30 d/yr

Rainy days (≥ 1 mm)

83 d/yr

Annual snowfall

0.2 cm

Average feels-like high

19.5 °C

Average feels-like low

10.3 °C

Average peak gust

39.4 km/h

Tropical nights (≥ 20 °C)

5 d/yr

Solar radiation

17.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.29 · 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

44.5 °C

1 August 2003

Coldest day

-6.4 °C

15 January 1945

Wettest day

85 mm

13 November 2025

Windiest day

68.3 km/h

15 February 1941

Strongest gust

114.5 km/h

19 January 2013

Hottest feels-like

46.4 °C

1 August 2003

Coldest feels-like

-10.7 °C

15 January 1945

Snowiest day

9.7 cm

13 January 1945

Sunniest day

14.7 h

17 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.7 °C29 June 2025	0.6 °C15 January 2025	16.8 °C	945 mm	43	0
2024	37.0 °C23 July 2024	2.8 °C21 January 2024	16.8 °C	542 mm	25	0
2023	39.5 °C7 August 2023	0.9 °C1 February 2023	17.1 °C	358 mm	42	0
2022	40.8 °C13 July 2022	2.1 °C20 January 2022	17.0 °C	587 mm	36	0
2021	35.2 °C10 July 2021	-1.8 °C12 January 2021	16.1 °C	537 mm	12	3
2020	39.3 °C16 July 2020	0.8 °C27 December 2020	16.6 °C	494 mm	44	0
2019	36.9 °C11 July 2019	0.6 °C7 January 2019	16.3 °C	434 mm	32	0
2018	43.3 °C4 August 2018	1.4 °C8 February 2018	15.9 °C	605 mm	37	0
2017	40.9 °C17 June 2017	-1.0 °C20 January 2017	16.6 °C	415 mm	43	2
2016	39.3 °C5 September 2016	2.6 °C20 December 2016	16.3 °C	632 mm	45	0
2015	36.8 °C20 June 2015	-0.4 °C8 January 2015	16.4 °C	384 mm	26	1
2014	35.4 °C14 June 2014	1.1 °C31 December 2014	16.2 °C	801 mm	19	0
2013	39.8 °C6 July 2013	1.3 °C8 December 2013	16.0 °C	578 mm	44	0
2012	39.3 °C17 July 2012	0.3 °C4 February 2012	15.9 °C	454 mm	29	0
2011	37.8 °C26 June 2011	2.4 °C23 January 2011	16.5 °C	586 mm	35	0
2010	39.7 °C30 August 2010	0.3 °C14 February 2010	16.2 °C	854 mm	45	0
2009	36.7 °C30 August 2009	-2.4 °C9 January 2009	16.5 °C	615 mm	39	4
2008	35.4 °C18 July 2008	2.8 °C19 December 2008	15.8 °C	500 mm	20	0
2007	40.5 °C29 July 2007	0.6 °C17 December 2007	15.8 °C	363 mm	25	0
2006	38.5 °C6 August 2006	-0.1 °C30 January 2006	16.4 °C	704 mm	43	1
2005	40.1 °C4 August 2005	-1.0 °C1 March 2005	16.1 °C	422 mm	43	2
2004	37.9 °C24 July 2004	1.2 °C2 March 2004	16.0 °C	394 mm	36	0
2003	44.5 °C1 August 2003	-1.4 °C15 January 2003	16.3 °C	636 mm	38	4
2002	37.7 °C17 July 2002	2.2 °C2 March 2002	15.9 °C	705 mm	17	0
2001	36.5 °C19 June 2001	0.5 °C28 December 2001	16.0 °C	644 mm	30	0
2000	37.5 °C16 June 2000	-0.3 °C25 January 2000	16.0 °C	656 mm	32	1
1999	37.5 °C7 July 1999	1.1 °C13 January 1999	15.8 °C	487 mm	19	0
1998	37.8 °C17 July 1998	0.3 °C5 December 1998	16.1 °C	454 mm	26	0
1997	36.8 °C26 July 1997	1.2 °C6 January 1997	16.9 °C	827 mm	23	0
1996	35.6 °C13 July 1996	0.5 °C23 February 1996	15.9 °C	904 mm	34	0
1995	41.3 °C23 July 1995	1.3 °C16 January 1995	17.2 °C	487 mm	33	0
1994	36.9 °C22 June 1994	0.4 °C25 December 1994	15.8 °C	433 mm	15	0
1993	39.6 °C23 July 1993	1.1 °C1 March 1993	15.2 °C	584 mm	29	0
1992	37.9 °C15 September 1992	0.2 °C24 January 1992	15.5 °C	382 mm	29	0
1991	41.9 °C18 July 1991	0.7 °C15 January 1991	15.8 °C	506 mm	49	0
1990	39.7 °C18 July 1990	0.5 °C23 December 1990	16.2 °C	533 mm	33	0
1989	38.6 °C26 July 1989	1.0 °C2 January 1989	16.6 °C	808 mm	43	0
1988	39.6 °C6 September 1988	1.8 °C16 December 1988	15.6 °C	590 mm	28	0
1987	38.9 °C13 September 1987	1.4 °C22 February 1987	16.4 °C	723 mm	46	0
1986	37.5 °C19 July 1986	2.1 °C10 February 1986	15.3 °C	467 mm	23	0
1985	36.7 °C23 July 1985	-0.9 °C15 January 1985	15.8 °C	723 mm	35	5
1984	37.2 °C28 July 1984	1.3 °C11 January 1984	15.4 °C	507 mm	28	0
1983	38.3 °C15 June 1983	-0.8 °C15 February 1983	15.7 °C	554 mm	19	2
1982	38.0 °C10 August 1982	2.2 °C1 December 1982	15.5 °C	452 mm	21	0
1981	42.9 °C14 June 1981	1.6 °C3 January 1981	16.2 °C	511 mm	41	0
1980	36.2 °C18 July 1980	1.2 °C14 January 1980	15.4 °C	417 mm	27	0
1979	37.8 °C11 August 1979	1.5 °C17 February 1979	15.4 °C	745 mm	25	0
1978	39.2 °C24 August 1978	-2.7 °C21 December 1978	15.6 °C	751 mm	38	3
1977	35.2 °C6 September 1977	2.2 °C6 January 1977	15.4 °C	756 mm	19	0
1976	36.9 °C19 July 1976	2.0 °C1 January 1976	15.2 °C	554 mm	23	0
1975	36.1 °C25 August 1975	0.5 °C9 January 1975	15.0 °C	540 mm	12	0
1974	37.9 °C11 July 1974	2.6 °C5 March 1974	15.0 °C	455 mm	32	0
1973	34.6 °C24 June 1973	1.4 °C4 December 1973	15.3 °C	598 mm	24	0
1972	37.2 °C19 August 1972	2.1 °C3 January 1972	14.5 °C	910 mm	10	0
1971	35.0 °C9 July 1971	-1.1 °C2 January 1971	15.0 °C	555 mm	22	1
1970	38.2 °C4 September 1970	-0.1 °C24 December 1970	15.4 °C	593 mm	26	1
1969	37.4 °C13 July 1969	1.3 °C4 January 1969	15.2 °C	794 mm	33	0
1968	40.0 °C30 June 1968	1.7 °C31 December 1968	15.7 °C	682 mm	22	0
1967	33.1 °C1 September 1967	-0.7 °C12 January 1967	15.2 °C	465 mm	18	1
1966	38.1 °C12 July 1966	1.2 °C24 December 1966	15.9 °C	705 mm	37	0
1965	35.2 °C26 August 1965	-1.6 °C20 February 1965	15.5 °C	777 mm	24	1
1964	38.1 °C3 August 1964	-0.3 °C30 December 1964	15.6 °C	526 mm	34	1
1963	36.9 °C28 July 1963	-1.5 °C24 December 1963	15.5 °C	990 mm	23	3
1962	38.0 °C28 August 1962	-0.6 °C25 December 1962	15.5 °C	570 mm	29	2
1961	39.9 °C27 August 1961	1.1 °C15 January 1961	16.4 °C	648 mm	36	0
1960	37.5 °C24 July 1960	-0.5 °C12 January 1960	15.5 °C	844 mm	22	1
1959	36.9 °C7 July 1959	2.1 °C5 February 1959	15.6 °C	764 mm	21	0
1958	37.5 °C31 July 1958	1.9 °C15 January 1958	15.5 °C	656 mm	13	0
1957	35.9 °C1 August 1957	-1.2 °C17 January 1957	15.3 °C	534 mm	28	3
1956	35.6 °C21 June 1956	-2.4 °C11 February 1956	14.5 °C	770 mm	11	6
1955	33.8 °C24 August 1955	0.6 °C11 March 1955	16.4 °C	707 mm	16	0
1954	37.7 °C24 July 1954	-2.9 °C5 February 1954	15.1 °C	449 mm	20	9
1953	37.2 °C5 August 1953	-0.7 °C11 January 1953	15.7 °C	525 mm	40	3
1952	36.7 °C11 July 1952	1.0 °C5 January 1952	15.4 °C	646 mm	19	0
1951	34.9 °C27 July 1951	2.6 °C30 January 1951	15.2 °C	663 mm	20	0
1950	36.7 °C28 June 1950	1.4 °C30 December 1950	15.7 °C	530 mm	22	0
1949	36.1 °C5 July 1949	1.1 °C13 December 1949	16.2 °C	537 mm	37	0
1948	37.6 °C24 June 1948	1.2 °C20 December 1948	16.2 °C	642 mm	26	0
1947	35.9 °C9 June 1947	-0.6 °C30 January 1947	16.0 °C	616 mm	27	3
1946	40.8 °C10 July 1946	-1.4 °C22 December 1946	15.3 °C	580 mm	32	3
1945	38.7 °C22 July 1945	-6.4 °C15 January 1945	16.5 °C	474 mm	42	8
1944	37.4 °C31 July 1944	-0.3 °C31 December 1944	15.8 °C	236 mm	44	1
1943	38.9 °C16 August 1943	2.0 °C1 January 1943	16.0 °C	594 mm	45	0
1942	38.3 °C17 July 1942	-0.6 °C11 February 1942	15.4 °C	725 mm	35	5
1941	43.2 °C21 July 1941	-2.0 °C6 January 1941	15.7 °C	838 mm	54	3
1940	36.4 °C21 August 1940	-2.1 °C27 December 1940	15.4 °C	636 mm	38	9

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

21.8 °C

+1.2 °C

Hot days (≥ 30 °C)

43 d/yr

+13

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

945 mm

+343 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	15.6 °C	+1.9 °C	135 mm	+60 mm
Feb	16.2 °C	+1.4 °C	61 mm	-9 mm
Mar	16.5 °C	-0.6 °C	179 mm	+109 mm
Apr	19.8 °C	+1.0 °C	112 mm	+54 mm
May	23.1 °C	+1.6 °C	35 mm	-10 mm
Jun	28.2 °C	+3.0 °C	6 mm	-10 mm
Jul	29.2 °C	+1.3 °C	2 mm	-2 mm
Aug	30.0 °C	+1.8 °C	1 mm	-5 mm
Sep	26.3 °C	+0.1 °C	12 mm	-16 mm
Oct	24.7 °C	+2.8 °C	47 mm	-21 mm
Nov	17.4 °C	+0.3 °C	221 mm	+140 mm
Dec	14.4 °C	+0.1 °C	135 mm	+53 mm

The year's extremes

Hottest day

39.7 °C

29 Jun 2025

Coldest day

0.6 °C

15 Jan 2025

Wettest day

84.9 mm

13 Nov 2025

Windiest day

49.1 km/h

20 Mar 2025

Strongest gust

104.4 km/h

20 Mar 2025

Hottest feels-like

41.4 °C

29 Jun 2025

Coldest feels-like

-2.9 °C

15 Jan 2025

Sunniest day

14.7 h

17 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 Alenquer?

Alenquer has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 15.8 °C and it receives 602 mm of precipitation per year.

What is the hottest day ever recorded in Alenquer?

The hottest day measured in Alenquer between 1940 and 2025 was 1 August 2003, reaching 44.5 °C.

What is the coldest day in Alenquer?

The coldest day measured in Alenquer between 1940 and 2025 was 15 January 1945, at -6.4 °C.

Does it snow in Alenquer?

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

Has the climate of Alenquer warmed?

Yes: Alenquer warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Alenquer?

The wettest day measured in Alenquer between 1940 and 2025 was 13 November 2025, with 85 mm of rain in 24 hours.

What was the windiest day in Alenquer?

The windiest day measured in Alenquer between 1940 and 2025 was 15 February 1941, with winds reaching 68.3 km/h.

What is the warmest month in Alenquer?

The warmest month in Alenquer is August (21.8 °C on average); the coldest is January (10.1 °C).

How much does it rain in Alenquer?

Alenquer receives on average 602 mm of precipitation per year, spread over about 83 rainy days.

Is it sunny in Alenquer?

Alenquer gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

What is the biggest single-day snowfall in Alenquer?

The heaviest 24-hour snowfall measured in Alenquer between 1940 and 2025 was 13 January 1945, with 9.7 cm.

Are there tropical nights in Alenquer?

Yes: Alenquer has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Alenquer?

In Alenquer, between 1940 and 2025, the highest apparent temperature reached 46.4 °C on 1 August 2003, and the lowest was -10.7 °C on 15 January 1945.

Compare Alenquer with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Alenquer

Other cities — Portugal

All cities in Portugal →