Santa Comba Dão climate — normals and trends

Q: What is the climate of Santa Comba Dão?

Santa Comba Dão has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 14.2 °C and it receives 1,268 mm of precipitation per year.

Q: What is the hottest day ever recorded in Santa Comba Dão?

The hottest day measured in Santa Comba Dão between 1940 and 2025 was 23 July 1945, reaching 40.5 °C.

Q: What is the coldest day in Santa Comba Dão?

The coldest day measured in Santa Comba Dão between 1940 and 2025 was 11 January 1941, at -6.4 °C.

Q: Does it snow in Santa Comba Dão?

Almost never: Santa Comba Dão sees virtually no snow, with about 9 frost days per year.

Q: Has the climate of Santa Comba Dão warmed?

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

Q: What is the wettest day in Santa Comba Dão?

The wettest day measured in Santa Comba Dão between 1940 and 2025 was 20 January 1941, with 110 mm of rain in 24 hours.

Q: What was the windiest day in Santa Comba Dão?

The windiest day measured in Santa Comba Dão between 1940 and 2025 was 30 December 1981, with winds reaching 52.0 km/h.

Q: What is the warmest month in Santa Comba Dão?

The warmest month in Santa Comba Dão is July (21.1 °C on average); the coldest is January (7.7 °C).

Q: How much does it rain in Santa Comba Dão?

Santa Comba Dão receives on average 1,268 mm of precipitation per year, spread over about 113 rainy days.

Q: Is it sunny in Santa Comba Dão?

Santa Comba Dão gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Santa Comba Dão (Portugal) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 14.2 °C and it receives 1,268 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 (21.1 °C on average) and the coldest is January (7.7 °C). Rainfall peaks in December.

Santa Comba Dão averages 9 frost days, 26 hot days (≥ 30 °C) and 113 rainy days per year.

Santa Comba Dão 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 15 to 3 per year over the period.

The hottest day of the period reached 40.5 °C (on 23 July 1945) and the coldest -6.4 °C (on 11 January 1941).

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

Santa Comba DãoViseu District

coords: 40.40°, -8.13°
period: 1940–2025 · 86 yrs

CsbWarm-summer MediterraneanWarmest monthJulyColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

14.2°C

Average daily high

19.3°C

Average daily low

9.7°C

Annual rainfall

1,268mm

Sunshine / day

9.7h

Mean relative humidity

76%

Average peak wind

15.3km/h

Seasonal range

13.4°C

Frost days (< 0 °C)

9 d/yr

Hot days (≥ 30 °C)

26 d/yr

Rainy days (≥ 1 mm)

113 d/yr

Annual snowfall

0.5 cm

Average feels-like high

18.5 °C

Average feels-like low

8.2 °C

Average peak gust

36.1 km/h

Tropical nights (≥ 20 °C)

4 d/yr

Solar radiation

15.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.2 °C

since 1940

+0.1 °C per decade · r² = 0.27 · 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

40.5 °C

23 July 1945

Coldest day

-6.4 °C

11 January 1941

Wettest day

110 mm

20 January 1941

Windiest day

52.0 km/h

30 December 1981

Strongest gust

132.5 km/h

19 December 2019

Hottest feels-like

41.9 °C

14 June 1981

Coldest feels-like

-10.6 °C

15 January 1980

Snowiest day

12.5 cm

23 February 1956

Sunniest day

14.9 h

12 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	38.0 °C29 June 2025	-2.2 °C26 December 2025	15.5 °C	1,646 mm	50	2
2024	37.1 °C23 July 2024	0.3 °C10 December 2024	15.4 °C	1,292 mm	27	0
2023	38.4 °C22 August 2023	-2.9 °C26 January 2023	15.4 °C	1,259 mm	31	9
2022	39.8 °C13 July 2022	-0.5 °C8 January 2022	15.7 °C	1,209 mm	40	1
2021	35.3 °C16 July 2021	-3.5 °C6 January 2021	14.6 °C	1,144 mm	19	14
2020	36.9 °C17 July 2020	-2.9 °C27 December 2020	15.3 °C	1,021 mm	45	5
2019	33.4 °C11 July 2019	-1.5 °C4 February 2019	14.5 °C	1,286 mm	15	4
2018	39.1 °C4 August 2018	-2.4 °C6 February 2018	14.5 °C	1,431 mm	28	10
2017	37.5 °C20 August 2017	-2.7 °C25 January 2017	15.3 °C	747 mm	37	11
2016	37.6 °C8 August 2016	-0.5 °C17 February 2016	14.7 °C	1,488 mm	39	2
2015	34.3 °C9 August 2015	-2.7 °C5 February 2015	15.0 °C	831 mm	22	7
2014	33.2 °C1 September 2014	-0.3 °C31 December 2014	14.6 °C	1,718 mm	11	1
2013	38.0 °C7 July 2013	-0.8 °C25 February 2013	14.4 °C	1,506 mm	43	5
2012	37.2 °C17 July 2012	-2.7 °C3 February 2012	14.0 °C	884 mm	18	6
2011	35.2 °C25 June 2011	-1.0 °C30 January 2011	15.2 °C	1,012 mm	26	5
2010	36.9 °C27 July 2010	-3.7 °C9 January 2010	14.6 °C	1,363 mm	41	13
2009	34.8 °C30 August 2009	-4.6 °C9 January 2009	14.8 °C	1,313 mm	27	8
2008	33.7 °C18 July 2008	-2.2 °C16 December 2008	13.9 °C	1,027 mm	14	6
2007	35.7 °C29 July 2007	-2.2 °C17 December 2007	14.2 °C	728 mm	18	8
2006	36.7 °C16 July 2006	-3.1 °C28 January 2006	14.9 °C	1,376 mm	41	8
2005	38.1 °C14 August 2005	-3.9 °C2 March 2005	14.6 °C	823 mm	37	18
2004	34.6 °C24 July 2004	-1.2 °C21 January 2004	14.4 °C	844 mm	22	4
2003	40.1 °C1 August 2003	-2.6 °C10 January 2003	14.8 °C	1,353 mm	34	10
2002	34.8 °C13 August 2002	-0.5 °C8 January 2002	14.5 °C	1,437 mm	14	1
2001	35.7 °C1 July 2001	-3.3 °C25 December 2001	14.4 °C	1,579 mm	30	6
2000	34.5 °C16 July 2000	-2.4 °C22 January 2000	14.3 °C	1,616 mm	26	5
1999	37.0 °C8 July 1999	-1.8 °C16 December 1999	14.1 °C	1,174 mm	19	9
1998	36.5 °C10 August 1998	-1.8 °C6 December 1998	14.8 °C	1,010 mm	30	4
1997	36.2 °C26 July 1997	-3.1 °C6 January 1997	15.3 °C	1,553 mm	20	2
1996	34.9 °C12 June 1996	-2.8 °C22 February 1996	14.3 °C	1,489 mm	26	5
1995	37.0 °C24 July 1995	-0.6 °C16 January 1995	15.6 °C	1,350 mm	29	2
1994	34.5 °C22 June 1994	-3.1 °C26 December 1994	14.2 °C	1,224 mm	10	9
1993	37.5 °C23 July 1993	-3.8 °C1 March 1993	13.5 °C	1,304 mm	24	9
1992	36.5 °C14 July 1992	-2.1 °C24 January 1992	14.1 °C	884 mm	34	5
1991	39.3 °C17 August 1991	-1.7 °C15 January 1991	14.5 °C	949 mm	49	5
1990	38.2 °C4 August 1990	-2.9 °C23 December 1990	14.9 °C	904 mm	30	3
1989	38.4 °C1 August 1989	-1.6 °C3 January 1989	15.5 °C	1,177 mm	40	1
1988	37.8 °C7 September 1988	-1.1 °C16 December 1988	14.2 °C	1,132 mm	18	4
1987	37.1 °C2 August 1987	-4.3 °C14 January 1987	15.0 °C	1,242 mm	50	10
1986	34.6 °C17 July 1986	-1.5 °C9 April 1986	13.7 °C	993 mm	20	6
1985	35.1 °C6 July 1985	-4.4 °C15 January 1985	14.2 °C	1,459 mm	33	15
1984	35.5 °C31 August 1984	-1.6 °C11 January 1984	13.7 °C	1,382 mm	21	8
1983	35.9 °C6 September 1983	-4.4 °C12 February 1983	14.0 °C	1,203 mm	20	15
1982	35.0 °C10 August 1982	-0.2 °C24 February 1982	14.0 °C	915 mm	18	2
1981	37.8 °C14 June 1981	-4.0 °C14 January 1981	14.5 °C	1,229 mm	36	9
1980	35.2 °C21 August 1980	-6.4 °C15 January 1980	13.7 °C	966 mm	19	10
1979	34.7 °C11 August 1979	-2.7 °C17 February 1979	13.6 °C	1,736 mm	19	11
1978	32.9 °C24 August 1978	-5.9 °C11 February 1978	12.2 °C	1,701 mm	17	12
1977	34.9 °C6 September 1977	-3.8 °C23 November 1977	13.6 °C	1,710 mm	12	5
1976	35.3 °C23 July 1976	-3.2 °C26 January 1976	13.7 °C	1,198 mm	15	3
1975	34.0 °C30 July 1975	-1.3 °C22 January 1975	13.5 °C	984 mm	12	8
1974	35.1 °C10 July 1974	-2.1 °C5 March 1974	13.4 °C	1,341 mm	25	4
1973	33.8 °C9 August 1973	-2.8 °C10 January 1973	13.7 °C	1,135 mm	19	5
1972	34.6 °C13 July 1972	-3.1 °C1 January 1972	12.8 °C	1,545 mm	8	11
1971	33.1 °C30 June 1971	-4.1 °C2 January 1971	13.1 °C	1,244 mm	12	11
1970	36.7 °C5 September 1970	-3.9 °C27 December 1970	13.7 °C	1,191 mm	28	16
1969	35.9 °C20 July 1969	-2.7 °C14 December 1969	13.4 °C	1,660 mm	22	10
1968	37.3 °C30 June 1968	-2.4 °C30 December 1968	14.0 °C	1,444 mm	17	5
1967	33.3 °C29 June 1967	-3.5 °C11 December 1967	13.6 °C	925 mm	8	12
1966	35.2 °C7 September 1966	-1.4 °C25 December 1966	14.0 °C	2,110 mm	32	6
1965	35.6 °C27 August 1965	-4.0 °C20 February 1965	13.8 °C	1,507 mm	24	23
1964	35.8 °C3 August 1964	-3.2 °C9 March 1964	13.8 °C	1,206 mm	30	22
1963	36.9 °C10 August 1963	-4.8 °C2 February 1963	13.8 °C	1,965 mm	18	12
1962	37.0 °C28 August 1962	-3.6 °C25 December 1962	14.0 °C	1,054 mm	33	10
1961	37.2 °C28 August 1961	-1.4 °C15 January 1961	14.9 °C	1,261 mm	29	5
1960	35.6 °C26 July 1960	-4.5 °C12 January 1960	13.8 °C	2,172 mm	16	11
1959	36.7 °C7 July 1959	-2.4 °C5 January 1959	14.1 °C	1,626 mm	18	4
1958	35.3 °C31 July 1958	-2.1 °C27 February 1958	13.6 °C	1,629 mm	13	3
1957	35.3 °C29 July 1957	-3.1 °C16 January 1957	13.9 °C	993 mm	32	13
1956	33.0 °C25 July 1956	-4.9 °C20 February 1956	12.6 °C	1,239 mm	13	34
1955	34.6 °C22 August 1955	-3.8 °C8 March 1955	14.7 °C	1,466 mm	17	6
1954	35.6 °C24 July 1954	-4.6 °C1 February 1954	13.5 °C	1,051 mm	23	22
1953	36.2 °C7 August 1953	-3.0 °C5 January 1953	14.2 °C	630 mm	44	21
1952	35.0 °C10 July 1952	-3.5 °C28 January 1952	13.7 °C	1,203 mm	12	15
1951	34.3 °C27 July 1951	-1.5 °C30 January 1951	13.4 °C	1,492 mm	20	6
1950	34.4 °C14 August 1950	-2.9 °C27 December 1950	14.0 °C	1,127 mm	20	13
1949	37.5 °C4 July 1949	-2.7 °C14 December 1949	14.6 °C	679 mm	36	8
1948	33.8 °C17 September 1948	-3.5 °C22 February 1948	14.5 °C	1,391 mm	21	3
1947	34.7 °C31 July 1947	-5.4 °C26 January 1947	14.5 °C	1,637 mm	30	13
1946	37.8 °C30 July 1946	-4.2 °C18 January 1946	13.6 °C	1,090 mm	29	16
1945	40.5 °C23 July 1945	-4.5 °C13 January 1945	15.1 °C	985 mm	46	20
1944	36.6 °C12 August 1944	-4.2 °C24 February 1944	14.2 °C	660 mm	44	23
1943	37.7 °C15 August 1943	-2.3 °C20 November 1943	14.5 °C	1,048 mm	45	12
1942	35.8 °C23 August 1942	-3.6 °C13 January 1942	13.7 °C	1,335 mm	30	28
1941	38.2 °C21 July 1941	-6.4 °C11 January 1941	14.0 °C	1,780 mm	48	17
1940	36.4 °C17 August 1940	-5.1 °C23 January 1940	13.8 °C	1,379 mm	30	21

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

20.9 °C

+1.6 °C

Hot days (≥ 30 °C)

50 d/yr

+24

Frost days (< 0 °C)

2 d/yr

-7

Annual rainfall

1646 mm

+378 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	13.9 °C	+2.0 °C	317 mm	+150 mm
Feb	15.0 °C	+1.7 °C	72 mm	-78 mm
Mar	15.7 °C	-0.2 °C	210 mm	+74 mm
Apr	19.0 °C	+1.3 °C	194 mm	+79 mm
May	22.0 °C	+1.6 °C	83 mm	-13 mm
Jun	28.0 °C	+3.7 °C	6 mm	-37 mm
Jul	29.9 °C	+2.4 °C	8 mm	-7 mm
Aug	30.4 °C	+2.7 °C	3 mm	-16 mm
Sep	25.0 °C	-0.1 °C	43 mm	-18 mm
Oct	23.1 °C	+2.8 °C	177 mm	+35 mm
Nov	15.5 °C	+0.4 °C	345 mm	+189 mm
Dec	12.8 °C	+0.4 °C	190 mm	+20 mm

The year's extremes

Hottest day

38.0 °C

29 Jun 2025

Coldest day

-2.2 °C

26 Dec 2025

Wettest day

92.4 mm

13 Nov 2025

Windiest day

39.6 km/h

20 Mar 2025

Strongest gust

86.8 km/h

20 Mar 2025

Hottest feels-like

41.6 °C

29 Jun 2025

Coldest feels-like

-5.7 °C

15 Jan 2025

Sunniest day

14.9 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 Santa Comba Dão?

Santa Comba Dão has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 14.2 °C and it receives 1,268 mm of precipitation per year.

What is the hottest day ever recorded in Santa Comba Dão?

The hottest day measured in Santa Comba Dão between 1940 and 2025 was 23 July 1945, reaching 40.5 °C.

What is the coldest day in Santa Comba Dão?

The coldest day measured in Santa Comba Dão between 1940 and 2025 was 11 January 1941, at -6.4 °C.

Does it snow in Santa Comba Dão?

Almost never: Santa Comba Dão sees virtually no snow, with about 9 frost days per year.

Has the climate of Santa Comba Dão warmed?

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

What is the wettest day in Santa Comba Dão?

The wettest day measured in Santa Comba Dão between 1940 and 2025 was 20 January 1941, with 110 mm of rain in 24 hours.

What was the windiest day in Santa Comba Dão?

The windiest day measured in Santa Comba Dão between 1940 and 2025 was 30 December 1981, with winds reaching 52.0 km/h.

What is the warmest month in Santa Comba Dão?

The warmest month in Santa Comba Dão is July (21.1 °C on average); the coldest is January (7.7 °C).

How much does it rain in Santa Comba Dão?

Santa Comba Dão receives on average 1,268 mm of precipitation per year, spread over about 113 rainy days.

Is it sunny in Santa Comba Dão?

Santa Comba Dão gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

What is the biggest single-day snowfall in Santa Comba Dão?

The heaviest 24-hour snowfall measured in Santa Comba Dão between 1940 and 2025 was 23 February 1956, with 12.5 cm.

Are there tropical nights in Santa Comba Dão?

Yes: Santa Comba Dão has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Santa Comba Dão?

In Santa Comba Dão, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 14 June 1981, and the lowest was -10.6 °C on 15 January 1980.

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