Ovar climate — normals and trends

Q: What is the climate of Ovar?

Ovar has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 15.3 °C and it receives 1,074 mm of precipitation per year.

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

The hottest day measured in Ovar between 1940 and 2025 was 21 July 1941, reaching 37.0 °C.

Q: What is the coldest day in Ovar?

The coldest day measured in Ovar between 1940 and 2025 was 11 January 1941, at -1.6 °C.

Q: Does it snow in Ovar?

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

Q: Has the climate of Ovar warmed?

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

Q: What is the wettest day in Ovar?

The wettest day measured in Ovar between 1940 and 2025 was 5 October 1981, with 83 mm of rain in 24 hours.

Q: What was the windiest day in Ovar?

The windiest day measured in Ovar between 1940 and 2025 was 15 February 1941, with winds reaching 75.9 km/h.

Q: What is the warmest month in Ovar?

The warmest month in Ovar is August (20.3 °C on average); the coldest is January (10.4 °C).

Q: How much does it rain in Ovar?

Ovar receives on average 1,074 mm of precipitation per year, spread over about 112 rainy days.

Q: Is it sunny in Ovar?

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

Ovar (Portugal) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 15.3 °C and it receives 1,074 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 (20.3 °C on average) and the coldest is January (10.4 °C). Rainfall peaks in December.

Ovar averages 0 frost days, 4 hot days (≥ 30 °C) and 112 rainy days per year.

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

The hottest day of the period reached 37.0 °C (on 21 July 1941) and the coldest -1.6 °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

OvarAveiro District

coords: 40.86°, -8.63°
period: 1940–2025 · 86 yrs

CsbWarm-summer MediterraneanWarmest monthAugustColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

15.3°C

Average daily high

18.5°C

Average daily low

12.5°C

Annual rainfall

1,074mm

Sunshine / day

10.2h

Mean relative humidity

78%

Average peak wind

22.2km/h

Seasonal range

9.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

4 d/yr

Rainy days (≥ 1 mm)

112 d/yr

Annual snowfall

0.0 cm

Average feels-like high

17.4 °C

Average feels-like low

10.6 °C

Average peak gust

37.6 km/h

Tropical nights (≥ 20 °C)

4 d/yr

Solar radiation

16.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.31 · 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

37.0 °C

21 July 1941

Coldest day

-1.6 °C

11 January 1941

Wettest day

83 mm

5 October 1981

Windiest day

75.9 km/h

15 February 1941

Strongest gust

140.8 km/h

15 February 1941

Hottest feels-like

38.8 °C

14 June 1981

Coldest feels-like

-7.1 °C

1 March 2005

Snowiest day

1.3 cm

23 February 1956

Sunniest day

14.9 h

8 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	30.7 °C3 August 2025	3.6 °C15 January 2025	16.2 °C	1,500 mm	4	0
2024	30.7 °C23 July 2024	5.1 °C7 January 2024	16.3 °C	1,014 mm	3	0
2023	32.0 °C7 August 2023	3.5 °C2 March 2023	16.5 °C	1,044 mm	4	0
2022	35.9 °C13 July 2022	5.0 °C31 January 2022	16.4 °C	1,098 mm	6	0
2021	31.0 °C16 July 2021	2.0 °C6 January 2021	15.6 °C	899 mm	1	0
2020	32.5 °C17 July 2020	3.0 °C27 December 2020	16.1 °C	834 mm	4	0
2019	29.1 °C30 May 2019	3.5 °C4 February 2019	15.5 °C	1,033 mm	0	0
2018	32.5 °C4 August 2018	2.7 °C8 February 2018	15.4 °C	1,132 mm	7	0
2017	32.8 °C3 July 2017	2.1 °C19 January 2017	15.9 °C	685 mm	3	0
2016	33.5 °C7 August 2016	4.7 °C16 February 2016	15.7 °C	1,199 mm	7	0
2015	31.9 °C20 June 2015	2.8 °C7 February 2015	15.9 °C	705 mm	3	0
2014	29.5 °C14 June 2014	4.6 °C31 December 2014	15.9 °C	1,402 mm	0	0
2013	35.1 °C7 July 2013	3.9 °C25 February 2013	15.5 °C	1,176 mm	8	0
2012	32.7 °C17 July 2012	1.5 °C3 February 2012	15.2 °C	725 mm	3	0
2011	30.2 °C25 June 2011	3.3 °C23 January 2011	16.0 °C	1,010 mm	3	0
2010	33.1 °C27 July 2010	2.1 °C9 January 2010	15.6 °C	1,129 mm	8	0
2009	30.9 °C21 June 2009	1.4 °C9 January 2009	15.7 °C	1,181 mm	2	0
2008	28.8 °C15 July 2008	3.8 °C2 December 2008	15.2 °C	823 mm	0	0
2007	31.5 °C30 July 2007	3.3 °C27 January 2007	15.3 °C	597 mm	4	0
2006	32.0 °C16 July 2006	2.2 °C28 January 2006	16.0 °C	1,247 mm	12	0
2005	33.9 °C14 August 2005	-0.3 °C1 March 2005	15.5 °C	700 mm	11	1
2004	30.4 °C23 September 2004	3.7 °C2 March 2004	15.5 °C	657 mm	1	0
2003	33.4 °C19 June 2003	2.3 °C10 January 2003	15.8 °C	1,207 mm	12	0
2002	29.3 °C17 July 2002	4.9 °C8 January 2002	15.5 °C	1,201 mm	0	0
2001	31.3 °C31 July 2001	1.6 °C25 December 2001	15.4 °C	1,251 mm	4	0
2000	30.8 °C17 June 2000	3.7 °C23 January 2000	15.3 °C	1,398 mm	4	0
1999	33.5 °C8 July 1999	3.2 °C12 January 1999	15.3 °C	975 mm	2	0
1998	31.6 °C6 August 1998	3.8 °C5 December 1998	15.6 °C	873 mm	2	0
1997	31.0 °C26 July 1997	3.1 °C6 January 1997	16.5 °C	1,345 mm	1	0
1996	30.3 °C12 July 1996	2.5 °C22 February 1996	15.2 °C	1,329 mm	2	0
1995	33.1 °C24 July 1995	4.0 °C15 December 1995	16.5 °C	1,078 mm	7	0
1994	31.2 °C22 June 1994	2.6 °C5 February 1994	15.3 °C	1,057 mm	1	0
1993	33.1 °C23 July 1993	1.8 °C1 March 1993	15.0 °C	1,047 mm	5	0
1992	29.9 °C30 July 1992	3.1 °C20 January 1992	15.1 °C	712 mm	0	0
1991	31.7 °C19 July 1991	3.6 °C15 January 1991	15.3 °C	825 mm	8	0
1990	32.2 °C18 July 1990	2.8 °C23 December 1990	16.0 °C	748 mm	9	0
1989	32.5 °C28 July 1989	4.8 °C2 January 1989	16.3 °C	1,036 mm	8	0
1988	33.0 °C6 September 1988	3.7 °C16 December 1988	15.3 °C	907 mm	3	0
1987	32.7 °C2 August 1987	1.4 °C14 January 1987	15.9 °C	1,093 mm	8	0
1986	30.7 °C18 July 1986	3.7 °C9 February 1986	14.8 °C	901 mm	4	0
1985	31.5 °C10 September 1985	0.8 °C15 January 1985	15.3 °C	1,226 mm	3	0
1984	31.4 °C31 August 1984	3.5 °C11 January 1984	14.8 °C	1,146 mm	1	0
1983	32.1 °C6 September 1983	1.1 °C13 February 1983	15.2 °C	1,066 mm	3	0
1982	31.3 °C10 August 1982	4.5 °C31 December 1982	15.2 °C	787 mm	3	0
1981	33.9 °C14 June 1981	3.9 °C11 January 1981	15.4 °C	1,043 mm	10	0
1980	31.7 °C20 August 1980	2.2 °C13 January 1980	14.9 °C	849 mm	1	0
1979	31.2 °C16 July 1979	3.3 °C17 February 1979	14.9 °C	1,411 mm	4	0
1978	32.5 °C12 September 1978	1.9 °C11 February 1978	15.5 °C	1,511 mm	4	0
1977	30.1 °C13 September 1977	3.3 °C10 January 1977	14.9 °C	1,448 mm	1	0
1976	32.3 °C23 July 1976	2.7 °C27 January 1976	14.9 °C	1,036 mm	4	0
1975	31.1 °C30 July 1975	3.0 °C31 December 1975	14.8 °C	860 mm	1	0
1974	29.5 °C10 July 1974	4.5 °C16 December 1974	14.5 °C	1,059 mm	0	0
1973	29.2 °C26 July 1973	2.9 °C17 February 1973	14.8 °C	1,068 mm	0	0
1972	32.1 °C13 July 1972	2.7 °C3 January 1972	14.2 °C	1,296 mm	2	0
1971	29.7 °C6 July 1971	1.3 °C2 January 1971	14.6 °C	976 mm	0	0
1970	32.0 °C21 September 1970	1.1 °C31 December 1970	14.8 °C	1,058 mm	6	0
1969	32.1 °C13 July 1969	3.4 °C14 December 1969	14.8 °C	1,404 mm	6	0
1968	31.6 °C30 June 1968	4.1 °C29 December 1968	15.1 °C	1,223 mm	4	0
1967	28.8 °C29 June 1967	2.3 °C12 January 1967	14.8 °C	779 mm	0	0
1966	31.1 °C7 September 1966	3.6 °C25 December 1966	15.2 °C	1,689 mm	5	0
1965	29.5 °C27 August 1965	2.0 °C19 February 1965	14.8 °C	1,367 mm	0	0
1964	31.9 °C3 August 1964	2.0 °C28 January 1964	14.9 °C	1,052 mm	6	0
1963	31.9 °C20 July 1963	0.6 °C2 February 1963	14.7 °C	1,595 mm	3	0
1962	30.7 °C28 August 1962	-0.7 °C26 December 1962	15.1 °C	903 mm	2	1
1961	32.6 °C28 August 1961	2.7 °C15 January 1961	15.8 °C	1,205 mm	2	0
1960	30.8 °C24 July 1960	0.9 °C12 January 1960	15.0 °C	1,864 mm	2	0
1959	31.9 °C7 July 1959	3.7 °C3 February 1959	15.4 °C	1,354 mm	4	0
1958	30.0 °C4 August 1958	4.1 °C21 January 1958	14.9 °C	1,264 mm	1	0
1957	30.7 °C29 July 1957	0.4 °C17 January 1957	14.9 °C	844 mm	2	0
1956	29.3 °C25 July 1956	-0.9 °C11 February 1956	14.1 °C	1,124 mm	0	2
1955	29.0 °C22 August 1955	2.3 °C8 March 1955	15.7 °C	1,169 mm	0	0
1954	29.8 °C23 July 1954	-0.4 °C5 February 1954	14.6 °C	927 mm	0	1
1953	31.3 °C5 August 1953	2.8 °C5 January 1953	15.3 °C	629 mm	3	0
1952	30.5 °C10 July 1952	2.0 °C28 January 1952	15.0 °C	1,047 mm	1	0
1951	29.8 °C26 July 1951	3.3 °C30 January 1951	14.7 °C	1,227 mm	0	0
1950	30.1 °C14 August 1950	2.4 °C30 December 1950	15.2 °C	1,033 mm	1	0
1949	32.9 °C28 July 1949	2.2 °C11 January 1949	15.8 °C	663 mm	10	0
1948	30.9 °C26 June 1948	0.7 °C22 February 1948	15.7 °C	1,078 mm	2	0
1947	31.6 °C9 June 1947	0.7 °C26 January 1947	15.4 °C	1,219 mm	2	0
1946	33.1 °C10 July 1946	1.6 °C22 December 1946	14.8 °C	1,036 mm	7	0
1945	31.6 °C3 August 1945	-0.3 °C13 January 1945	15.8 °C	812 mm	4	1
1944	31.3 °C10 August 1944	0.3 °C24 February 1944	15.1 °C	594 mm	2	0
1943	32.9 °C15 August 1943	2.8 °C14 December 1943	15.5 °C	802 mm	12	0
1942	31.6 °C10 September 1942	1.6 °C8 January 1942	14.8 °C	1,265 mm	3	0
1941	37.0 °C21 July 1941	-1.6 °C11 January 1941	15.0 °C	1,438 mm	4	2
1940	32.3 °C31 August 1940	0.1 °C23 January 1940	14.9 °C	1,136 mm	4	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

19.5 °C

+1.0 °C

Hot days (≥ 30 °C)

4 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1500 mm

+426 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	14.9 °C	+1.7 °C	227 mm	+89 mm
Feb	15.4 °C	+1.4 °C	82 mm	-41 mm
Mar	15.9 °C	+0.1 °C	190 mm	+79 mm
Apr	18.6 °C	+1.5 °C	172 mm	+77 mm
May	20.2 °C	+1.2 °C	70 mm	-10 mm
Jun	23.7 °C	+1.8 °C	30 mm	-3 mm
Jul	25.5 °C	+1.6 °C	8 mm	-3 mm
Aug	25.1 °C	+1.0 °C	6 mm	-9 mm
Sep	22.5 °C	-0.4 °C	37 mm	-16 mm
Oct	21.5 °C	+1.6 °C	145 mm	+21 mm
Nov	16.5 °C	+0.4 °C	338 mm	+194 mm
Dec	14.2 °C	+0.4 °C	197 mm	+48 mm

The year's extremes

Hottest day

30.7 °C

3 Aug 2025

Coldest day

3.6 °C

15 Jan 2025

Wettest day

69.2 mm

13 Nov 2025

Windiest day

64.9 km/h

20 Mar 2025

Strongest gust

98.6 km/h

20 Mar 2025

Hottest feels-like

33.4 °C

17 Jun 2025

Coldest feels-like

0.4 °C

15 Jan 2025

Sunniest day

14.9 h

8 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 Ovar?

Ovar has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 15.3 °C and it receives 1,074 mm of precipitation per year.

What is the hottest day ever recorded in Ovar?

The hottest day measured in Ovar between 1940 and 2025 was 21 July 1941, reaching 37.0 °C.

What is the coldest day in Ovar?

The coldest day measured in Ovar between 1940 and 2025 was 11 January 1941, at -1.6 °C.

Does it snow in Ovar?

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

Has the climate of Ovar warmed?

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

What is the wettest day in Ovar?

The wettest day measured in Ovar between 1940 and 2025 was 5 October 1981, with 83 mm of rain in 24 hours.

What was the windiest day in Ovar?

The windiest day measured in Ovar between 1940 and 2025 was 15 February 1941, with winds reaching 75.9 km/h.

What is the warmest month in Ovar?

The warmest month in Ovar is August (20.3 °C on average); the coldest is January (10.4 °C).

How much does it rain in Ovar?

Ovar receives on average 1,074 mm of precipitation per year, spread over about 112 rainy days.

Is it sunny in Ovar?

Ovar 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 Ovar?

The heaviest 24-hour snowfall measured in Ovar between 1940 and 2025 was 23 February 1956, with 1.3 cm.

Are there tropical nights in Ovar?

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

What was the most extreme apparent temperature in Ovar?

In Ovar, between 1940 and 2025, the highest apparent temperature reached 38.8 °C on 14 June 1981, and the lowest was -7.1 °C on 1 March 2005.

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