Portalegre climate — normals and trends

Q: What is the climate of Portalegre?

Portalegre has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.7 °C and it receives 635 mm of precipitation per year.

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

The hottest day measured in Portalegre between 1940 and 2025 was 1 August 2003, reaching 43.7 °C.

Q: What is the coldest day in Portalegre?

The coldest day measured in Portalegre between 1940 and 2025 was 4 January 1971, at -5.5 °C.

Q: Does it snow in Portalegre?

Almost never: Portalegre sees virtually no snow, with about 4 frost days per year.

Q: Has the climate of Portalegre warmed?

Yes: Portalegre warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Portalegre?

The wettest day measured in Portalegre between 1940 and 2025 was 20 January 1941, with 65 mm of rain in 24 hours.

Q: What was the windiest day in Portalegre?

The windiest day measured in Portalegre between 1940 and 2025 was 15 February 1941, with winds reaching 49.0 km/h.

Q: What is the warmest month in Portalegre?

The warmest month in Portalegre is July (24.3 °C on average); the coldest is January (8.2 °C).

Q: How much does it rain in Portalegre?

Portalegre receives on average 635 mm of precipitation per year, spread over about 84 rainy days.

Q: Is it sunny in Portalegre?

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

Portalegre (Portugal) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 15.7 °C and it receives 635 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 (24.3 °C on average) and the coldest is January (8.2 °C). Rainfall peaks in December.

Portalegre averages 4 frost days, 64 hot days (≥ 30 °C) and 84 rainy days per year.

Portalegre has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.

The number of frost days there went from about 7 to 1 per year over the period.

The hottest day of the period reached 43.7 °C (on 1 August 2003) and the coldest -5.5 °C (on 4 January 1971).

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

PortalegrePortalegre District

coords: 39.29°, -7.43°
period: 1940–2025 · 86 yrs

CsaHot-summer MediterraneanWarmest monthJulyColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

15.7°C

Average daily high

21.0°C

Average daily low

10.8°C

Annual rainfall

635mm

Sunshine / day

10.2h

Mean relative humidity

67%

Average peak wind

15.9km/h

Seasonal range

16.1°C

Frost days (< 0 °C)

4 d/yr

Hot days (≥ 30 °C)

64 d/yr

Rainy days (≥ 1 mm)

84 d/yr

Annual snowfall

0.8 cm

Average feels-like high

19.6 °C

Average feels-like low

9.0 °C

Average peak gust

34.5 km/h

Tropical nights (≥ 20 °C)

16 d/yr

Solar radiation

17.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.2 °C

since 1940

+0.1 °C per decade · r² = 0.26 · 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

43.7 °C

1 August 2003

Coldest day

-5.5 °C

4 January 1971

Wettest day

65 mm

20 January 1941

Windiest day

49.0 km/h

15 February 1941

Strongest gust

116.3 km/h

30 December 1981

Hottest feels-like

43.9 °C

1 August 2003

Coldest feels-like

-10.0 °C

12 February 1978

Snowiest day

11.1 cm

3 January 1971

Sunniest day

14.8 h

14 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	41.3 °C12 August 2025	-1.3 °C15 January 2025	17.1 °C	866 mm	84	2
2024	40.9 °C24 July 2024	0.4 °C10 December 2024	16.9 °C	611 mm	78	0
2023	42.3 °C7 August 2023	-0.7 °C2 March 2023	17.1 °C	524 mm	94	4
2022	42.5 °C13 July 2022	1.2 °C8 January 2022	17.3 °C	668 mm	91	0
2021	39.2 °C10 July 2021	-2.7 °C12 January 2021	16.1 °C	583 mm	66	9
2020	40.4 °C17 July 2020	-0.9 °C27 December 2020	16.7 °C	568 mm	83	1
2019	38.8 °C11 July 2019	-0.7 °C6 January 2019	16.2 °C	508 mm	70	2
2018	43.2 °C4 August 2018	-0.6 °C8 February 2018	15.8 °C	727 mm	73	1
2017	41.6 °C17 June 2017	-1.1 °C19 January 2017	17.2 °C	336 mm	94	3
2016	40.8 °C6 September 2016	-0.4 °C20 December 2016	16.3 °C	652 mm	85	1
2015	39.6 °C29 June 2015	-1.0 °C7 February 2015	16.6 °C	354 mm	80	3
2014	37.5 °C14 June 2014	0.0 °C30 December 2014	15.9 °C	732 mm	50	0
2013	40.8 °C7 July 2013	0.5 °C27 February 2013	15.9 °C	675 mm	79	0
2012	40.4 °C26 June 2012	-1.6 °C4 February 2012	15.7 °C	536 mm	72	7
2011	38.1 °C26 June 2011	0.2 °C30 January 2011	16.4 °C	622 mm	68	0
2010	39.4 °C6 July 2010	-2.0 °C9 January 2010	16.1 °C	943 mm	81	7
2009	38.6 °C30 August 2009	-3.8 °C9 January 2009	16.5 °C	553 mm	75	5
2008	38.0 °C4 August 2008	-0.9 °C2 December 2008	15.4 °C	494 mm	52	1
2007	40.7 °C29 July 2007	-1.5 °C24 January 2007	15.5 °C	465 mm	51	1
2006	40.5 °C4 September 2006	-1.1 °C29 January 2006	16.6 °C	717 mm	81	3
2005	40.7 °C6 August 2005	-2.5 °C28 January 2005	16.1 °C	407 mm	81	5
2004	40.5 °C25 July 2004	-0.9 °C2 March 2004	16.0 °C	473 mm	80	1
2003	43.7 °C1 August 2003	-1.6 °C13 January 2003	16.2 °C	630 mm	68	8
2002	38.4 °C13 August 2002	0.8 °C8 December 2002	15.8 °C	712 mm	56	0
2001	38.0 °C1 July 2001	-0.9 °C26 December 2001	15.9 °C	694 mm	68	3
2000	38.8 °C30 July 2000	-0.9 °C23 January 2000	15.9 °C	649 mm	66	2
1999	40.4 °C9 July 1999	-1.2 °C13 January 1999	15.7 °C	473 mm	60	4
1998	39.9 °C17 July 1998	-1.1 °C5 December 1998	16.2 °C	482 mm	63	4
1997	38.7 °C26 July 1997	0.4 °C6 January 1997	16.7 °C	817 mm	47	0
1996	37.3 °C13 July 1996	-1.2 °C23 February 1996	15.7 °C	885 mm	58	2
1995	42.0 °C23 July 1995	0.4 °C15 January 1995	17.1 °C	565 mm	61	0
1994	37.4 °C26 August 1994	-1.7 °C5 February 1994	15.8 °C	459 mm	66	6
1993	40.7 °C28 July 1993	-3.3 °C1 March 1993	14.6 °C	610 mm	53	4
1992	40.0 °C6 August 1992	-2.1 °C21 January 1992	15.6 °C	451 mm	60	4
1991	41.5 °C18 July 1991	-0.4 °C15 February 1991	15.9 °C	454 mm	80	2
1990	40.3 °C19 July 1990	-0.8 °C23 December 1990	16.2 °C	455 mm	63	1
1989	40.5 °C18 July 1989	0.8 °C4 January 1989	16.6 °C	858 mm	71	0
1988	40.9 °C8 September 1988	0.3 °C16 December 1988	15.4 °C	668 mm	59	0
1987	38.8 °C20 August 1987	-2.4 °C14 January 1987	16.1 °C	728 mm	64	5
1986	38.4 °C17 July 1986	0.1 °C9 February 1986	15.2 °C	568 mm	61	0
1985	39.8 °C23 July 1985	-2.7 °C15 January 1985	15.7 °C	726 mm	73	9
1984	38.3 °C28 July 1984	0.0 °C28 January 1984	14.9 °C	624 mm	61	0
1983	37.3 °C16 June 1983	-3.4 °C13 February 1983	15.5 °C	571 mm	46	9
1982	37.6 °C11 August 1982	0.3 °C1 December 1982	15.4 °C	444 mm	55	0
1981	42.6 °C14 June 1981	0.0 °C11 January 1981	16.3 °C	545 mm	69	0
1980	38.6 °C21 August 1980	-0.6 °C6 December 1980	15.3 °C	417 mm	65	5
1979	37.7 °C11 August 1979	-2.0 °C17 February 1979	15.3 °C	810 mm	59	3
1978	38.7 °C24 August 1978	-5.4 °C12 February 1978	15.1 °C	802 mm	58	8
1977	37.0 °C6 September 1977	-3.6 °C23 November 1977	14.9 °C	819 mm	31	2
1976	38.2 °C4 August 1976	-1.9 °C26 January 1976	14.9 °C	657 mm	53	2
1975	37.8 °C29 July 1975	0.0 °C20 December 1975	14.7 °C	582 mm	41	0
1974	39.5 °C11 July 1974	0.0 °C5 March 1974	15.0 °C	539 mm	56	0
1973	37.4 °C8 August 1973	-0.5 °C4 December 1973	15.1 °C	570 mm	49	2
1972	36.9 °C13 July 1972	0.8 °C2 March 1972	14.1 °C	962 mm	26	0
1971	35.3 °C30 June 1971	-5.5 °C4 January 1971	14.4 °C	644 mm	36	7
1970	38.4 °C5 September 1970	-2.1 °C24 December 1970	15.4 °C	671 mm	67	8
1969	38.6 °C21 July 1969	-0.7 °C14 December 1969	14.8 °C	839 mm	53	1
1968	40.4 °C29 June 1968	-0.8 °C29 December 1968	15.5 °C	715 mm	54	1
1967	38.1 °C19 July 1967	-1.4 °C7 January 1967	15.2 °C	494 mm	50	2
1966	40.6 °C12 July 1966	-0.3 °C26 December 1966	15.6 °C	790 mm	63	3
1965	38.7 °C5 August 1965	-1.8 °C20 February 1965	15.5 °C	775 mm	65	11
1964	38.6 °C4 August 1964	-1.0 °C9 March 1964	15.7 °C	561 mm	79	8
1963	37.2 °C29 July 1963	-2.3 °C2 February 1963	15.4 °C	1,088 mm	51	8
1962	38.8 °C29 August 1962	-2.0 °C25 December 1962	15.6 °C	592 mm	66	4
1961	39.8 °C27 August 1961	0.5 °C16 January 1961	16.5 °C	658 mm	71	0
1960	38.2 °C24 July 1960	-2.2 °C12 January 1960	15.3 °C	915 mm	49	6
1959	40.2 °C6 July 1959	0.1 °C4 February 1959	15.4 °C	778 mm	46	0
1958	39.7 °C30 July 1958	-0.4 °C27 February 1958	15.4 °C	757 mm	38	1
1957	38.2 °C2 August 1957	-2.1 °C17 January 1957	15.3 °C	547 mm	61	5
1956	36.7 °C5 July 1956	-3.5 °C11 February 1956	14.1 °C	698 mm	32	17
1955	36.5 °C21 August 1955	-1.6 °C8 March 1955	16.4 °C	824 mm	61	4
1954	39.5 °C24 July 1954	-3.4 °C5 February 1954	15.2 °C	467 mm	54	18
1953	37.9 °C8 August 1953	-1.8 °C10 January 1953	15.9 °C	476 mm	85	9
1952	39.0 °C11 July 1952	-2.0 °C28 January 1952	14.9 °C	695 mm	44	6
1951	39.2 °C27 July 1951	-1.1 °C11 January 1951	14.9 °C	741 mm	55	1
1950	37.8 °C28 June 1950	-1.7 °C30 December 1950	15.5 °C	498 mm	65	5
1949	38.7 °C3 July 1949	-0.4 °C11 January 1949	15.9 °C	514 mm	58	1
1948	36.9 °C25 July 1948	-2.2 °C22 February 1948	15.9 °C	706 mm	51	1
1947	39.3 °C31 July 1947	-2.5 °C26 January 1947	16.1 °C	793 mm	72	8
1946	40.0 °C11 July 1946	-3.1 °C17 January 1946	15.0 °C	591 mm	66	10
1945	41.3 °C22 July 1945	-3.7 °C15 January 1945	16.9 °C	460 mm	77	17
1944	40.9 °C31 July 1944	-1.4 °C24 February 1944	15.8 °C	338 mm	67	10
1943	39.2 °C18 August 1943	-1.2 °C16 November 1943	16.1 °C	559 mm	83	2
1942	39.7 °C17 July 1942	-1.9 °C11 January 1942	15.1 °C	680 mm	72	19
1941	41.4 °C21 July 1941	-4.0 °C11 January 1941	15.6 °C	817 mm	75	10
1940	37.5 °C6 August 1940	-3.1 °C23 January 1940	15.1 °C	694 mm	61	16

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

22.7 °C

+1.7 °C

Hot days (≥ 30 °C)

84 d/yr

+20

Frost days (< 0 °C)

2 d/yr

-2

Annual rainfall

866 mm

+231 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	14.0 °C	+1.9 °C	157 mm	+79 mm
Feb	15.5 °C	+1.8 °C	43 mm	-30 mm
Mar	15.7 °C	-0.8 °C	192 mm	+120 mm
Apr	19.6 °C	+0.8 °C	101 mm	+41 mm
May	24.4 °C	+1.9 °C	40 mm	-9 mm
Jun	32.3 °C	+4.7 °C	18 mm	-5 mm
Jul	33.7 °C	+2.1 °C	2 mm	-4 mm
Aug	34.7 °C	+3.3 °C	1 mm	-5 mm
Sep	28.3 °C	+0.8 °C	19 mm	-13 mm
Oct	25.2 °C	+3.6 °C	44 mm	-28 mm
Nov	16.0 °C	+0.2 °C	129 mm	+48 mm
Dec	12.9 °C	+0.3 °C	121 mm	+36 mm

The year's extremes

Hottest day

41.3 °C

12 Aug 2025

Coldest day

-1.3 °C

15 Jan 2025

Wettest day

34.3 mm

21 Jan 2025

Windiest day

39.4 km/h

20 Mar 2025

Strongest gust

88.6 km/h

20 Mar 2025

Hottest feels-like

42.2 °C

30 Jun 2025

Coldest feels-like

-5.1 °C

15 Jan 2025

Sunniest day

14.8 h

15 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 Portalegre?

Portalegre has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.7 °C and it receives 635 mm of precipitation per year.

What is the hottest day ever recorded in Portalegre?

The hottest day measured in Portalegre between 1940 and 2025 was 1 August 2003, reaching 43.7 °C.

What is the coldest day in Portalegre?

The coldest day measured in Portalegre between 1940 and 2025 was 4 January 1971, at -5.5 °C.

Does it snow in Portalegre?

Almost never: Portalegre sees virtually no snow, with about 4 frost days per year.

Has the climate of Portalegre warmed?

Yes: Portalegre warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Portalegre?

The wettest day measured in Portalegre between 1940 and 2025 was 20 January 1941, with 65 mm of rain in 24 hours.

What was the windiest day in Portalegre?

The windiest day measured in Portalegre between 1940 and 2025 was 15 February 1941, with winds reaching 49.0 km/h.

What is the warmest month in Portalegre?

The warmest month in Portalegre is July (24.3 °C on average); the coldest is January (8.2 °C).

How much does it rain in Portalegre?

Portalegre receives on average 635 mm of precipitation per year, spread over about 84 rainy days.

Is it sunny in Portalegre?

Portalegre 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 Portalegre?

The heaviest 24-hour snowfall measured in Portalegre between 1940 and 2025 was 3 January 1971, with 11.1 cm.

Are there tropical nights in Portalegre?

Yes: Portalegre has on average 16 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Portalegre?

In Portalegre, between 1940 and 2025, the highest apparent temperature reached 43.9 °C on 1 August 2003, and the lowest was -10.0 °C on 12 February 1978.

Compare Portalegre with another city

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

Nearby cities

The climate around Portalegre

Other cities — Portugal

All cities in Portugal →