Aranda de Duero climate — normals and trends

Q: What is the climate of Aranda de Duero?

Aranda de Duero has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 11.8 °C and it receives 505 mm of precipitation per year.

Q: What is the hottest day ever recorded in Aranda de Duero?

The hottest day measured in Aranda de Duero between 1940 and 2025 was 14 July 2022, reaching 39.7 °C.

Q: What is the coldest day in Aranda de Duero?

The coldest day measured in Aranda de Duero between 1940 and 2025 was 17 December 1963, at -23.4 °C.

Q: Does it snow in Aranda de Duero?

Yes. Aranda de Duero gets on average 18.0 cm of snow per year and has around 53 frost days.

Q: Has the climate of Aranda de Duero warmed?

Yes: Aranda de Duero warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Aranda de Duero?

The wettest day measured in Aranda de Duero between 1940 and 2025 was 13 November 1984, with 44 mm of rain in 24 hours.

Q: What was the windiest day in Aranda de Duero?

The windiest day measured in Aranda de Duero between 1940 and 2025 was 25 February 1989, with winds reaching 52.5 km/h.

Q: What is the warmest month in Aranda de Duero?

The warmest month in Aranda de Duero is July (21.5 °C on average); the coldest is January (3.7 °C).

Q: How much does it rain in Aranda de Duero?

Aranda de Duero receives on average 505 mm of precipitation per year, spread over about 100 rainy days.

Q: Is it sunny in Aranda de Duero?

Aranda de Duero gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Aranda de Duero (Spain) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 11.8 °C and it receives 505 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 (21.5 °C on average) and the coldest is January (3.7 °C). Rainfall peaks in May.

Aranda de Duero averages 53 frost days, 31 hot days (≥ 30 °C) and 100 rainy days per year.

Aranda de Duero has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.

The number of frost days there went from about 71 to 35 per year over the period.

The hottest day of the period reached 39.7 °C (on 14 July 2022) and the coldest -23.4 °C (on 17 December 1963).

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

Aranda de DueroCastille and León

coords: 41.67°, -3.69°
period: 1940–2025 · 86 yrs

CsbWarm-summer MediterraneanWarmest monthJulyColdest monthJanuaryWettest monthMayDriest monthAugust

Mean daily temperature

11.8°C

Average daily high

17.2°C

Average daily low

6.8°C

Annual rainfall

505mm

Sunshine / day

9.7h

Mean relative humidity

67%

Average peak wind

15.9km/h

Seasonal range

17.8°C

Frost days (< 0 °C)

53 d/yr

Hot days (≥ 30 °C)

31 d/yr

Rainy days (≥ 1 mm)

100 d/yr

Annual snowfall

18.0 cm

Average feels-like high

14.8 °C

Average feels-like low

4.2 °C

Average peak gust

34.6 km/h

Tropical nights (≥ 20 °C)

2 d/yr

Solar radiation

16.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.6 °C

since 1940

+0.3 °C per decade · r² = 0.64 · 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

39.7 °C

14 July 2022

Coldest day

-23.4 °C

17 December 1963

Wettest day

44 mm

13 November 1984

Windiest day

52.5 km/h

25 February 1989

Strongest gust

126.0 km/h

25 February 1989

Hottest feels-like

39.2 °C

16 July 2022

Coldest feels-like

-29.0 °C

17 December 1963

Snowiest day

12.7 cm

5 December 1996

Sunniest day

14.8 h

26 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	38.6 °C9 August 2025	-6.1 °C15 January 2025	13.4 °C	601 mm	70	29
2024	37.4 °C10 August 2024	-5.8 °C20 January 2024	13.1 °C	599 mm	48	28
2023	38.5 °C22 August 2023	-4.5 °C27 December 2023	13.4 °C	492 mm	51	55
2022	39.7 °C14 July 2022	-5.0 °C29 January 2022	13.9 °C	472 mm	67	47
2021	39.3 °C13 August 2021	-6.8 °C13 January 2021	12.6 °C	483 mm	46	38
2020	38.1 °C27 July 2020	-4.4 °C12 January 2020	12.9 °C	511 mm	44	40
2019	39.2 °C28 June 2019	-4.4 °C4 February 2019	13.2 °C	494 mm	55	37
2018	37.6 °C2 August 2018	-4.3 °C23 February 2018	12.7 °C	617 mm	53	36
2017	37.6 °C18 June 2017	-5.5 °C19 January 2017	13.8 °C	310 mm	64	46
2016	36.2 °C6 September 2016	-5.8 °C17 February 2016	12.8 °C	575 mm	61	34
2015	37.9 °C14 July 2015	-4.8 °C12 January 2015	13.2 °C	344 mm	58	49
2014	35.9 °C16 July 2014	-4.7 °C31 December 2014	13.2 °C	499 mm	34	21
2013	35.2 °C11 August 2013	-4.7 °C10 December 2013	11.8 °C	669 mm	43	49
2012	37.0 °C10 August 2012	-6.1 °C11 February 2012	12.5 °C	427 mm	41	52
2011	36.6 °C26 June 2011	-6.0 °C24 January 2011	13.4 °C	379 mm	39	31
2010	34.9 °C26 August 2010	-7.5 °C10 January 2010	11.8 °C	574 mm	34	50
2009	35.4 °C26 July 2009	-8.1 °C20 December 2009	13.0 °C	434 mm	50	46
2008	36.0 °C4 August 2008	-3.5 °C1 January 2008	12.1 °C	582 mm	29	35
2007	36.9 °C4 August 2007	-5.8 °C15 December 2007	11.9 °C	391 mm	23	44
2006	36.8 °C10 July 2006	-5.7 °C29 January 2006	13.3 °C	486 mm	50	51
2005	35.8 °C21 July 2005	-8.9 °C1 March 2005	12.4 °C	335 mm	54	73
2004	34.7 °C27 June 2004	-4.1 °C1 March 2004	12.1 °C	396 mm	30	51
2003	37.2 °C4 August 2003	-6.9 °C18 February 2003	13.2 °C	570 mm	55	35
2002	35.8 °C22 June 2002	-3.0 °C20 February 2002	12.9 °C	494 mm	31	17
2001	35.3 °C24 August 2001	-8.5 °C17 December 2001	12.5 °C	391 mm	39	39
2000	35.7 °C21 July 2000	-4.5 °C25 January 2000	12.6 °C	504 mm	36	37
1999	36.0 °C1 July 1999	-4.7 °C12 January 1999	12.5 °C	463 mm	36	48
1998	35.8 °C9 August 1998	-4.9 °C23 December 1998	12.6 °C	419 mm	45	39
1997	33.3 °C14 August 1997	-3.9 °C5 January 1997	13.2 °C	710 mm	28	23
1996	35.3 °C23 July 1996	-3.5 °C12 March 1996	12.2 °C	587 mm	27	37
1995	37.9 °C24 July 1995	-4.3 °C14 January 1995	13.3 °C	460 mm	30	28
1994	36.1 °C30 June 1994	-5.5 °C19 January 1994	12.6 °C	369 mm	44	43
1993	36.6 °C28 July 1993	-6.7 °C25 February 1993	11.2 °C	482 mm	29	60
1992	35.3 °C26 July 1992	-6.0 °C19 January 1992	11.9 °C	399 mm	36	63
1991	37.7 °C6 August 1991	-6.8 °C15 February 1991	11.9 °C	374 mm	54	59
1990	35.6 °C20 July 1990	-5.8 °C15 December 1990	12.9 °C	406 mm	42	49
1989	37.1 °C19 July 1989	-5.6 °C2 January 1989	13.2 °C	492 mm	46	40
1988	36.2 °C8 September 1988	-5.4 °C23 November 1988	11.9 °C	528 mm	32	46
1987	37.7 °C12 August 1987	-7.7 °C14 January 1987	12.5 °C	542 mm	38	48
1986	35.1 °C16 August 1986	-10.0 °C10 February 1986	11.7 °C	393 mm	33	59
1985	35.4 °C25 July 1985	-9.3 °C7 January 1985	12.1 °C	469 mm	44	66
1984	34.4 °C23 July 1984	-11.4 °C26 February 1984	10.8 °C	626 mm	23	58
1983	34.4 °C30 July 1983	-7.9 °C13 February 1983	12.0 °C	473 mm	30	58
1982	37.0 °C6 July 1982	-3.0 °C1 February 1982	12.4 °C	389 mm	30	32
1981	37.3 °C29 July 1981	-8.7 °C12 February 1981	11.8 °C	421 mm	31	61
1980	34.3 °C21 August 1980	-5.9 °C30 December 1980	11.1 °C	494 mm	25	62
1979	35.5 °C9 July 1979	-4.7 °C16 February 1979	11.3 °C	586 mm	19	49
1978	34.7 °C28 July 1978	-7.7 °C11 February 1978	11.5 °C	504 mm	40	45
1977	32.8 °C15 August 1977	-4.8 °C31 March 1977	11.1 °C	708 mm	7	32
1976	36.6 °C5 August 1976	-4.4 °C14 January 1976	11.2 °C	573 mm	16	60
1975	34.7 °C13 July 1975	-5.0 °C24 December 1975	11.2 °C	488 mm	26	54
1974	34.7 °C16 August 1974	-5.0 °C5 March 1974	10.9 °C	552 mm	18	48
1973	35.2 °C9 August 1973	-5.0 °C4 February 1973	11.1 °C	457 mm	28	76
1972	35.2 °C14 July 1972	-4.8 °C3 January 1972	10.7 °C	679 mm	16	42
1971	32.9 °C3 September 1971	-15.6 °C3 January 1971	10.8 °C	693 mm	15	65
1970	34.4 °C27 July 1970	-6.6 °C2 March 1970	11.5 °C	546 mm	20	65
1969	33.7 °C7 August 1969	-7.0 °C31 December 1969	10.7 °C	652 mm	24	49
1968	34.7 °C30 June 1968	-6.9 °C11 January 1968	11.6 °C	540 mm	20	41
1967	33.3 °C19 July 1967	-7.3 °C11 January 1967	11.0 °C	488 mm	25	62
1966	33.4 °C12 August 1966	-3.7 °C24 November 1966	10.9 °C	755 mm	13	55
1965	33.0 °C6 August 1965	-5.9 °C3 March 1965	10.7 °C	516 mm	17	71
1964	32.4 °C17 July 1964	-6.3 °C8 March 1964	11.1 °C	432 mm	26	83
1963	32.1 °C11 August 1963	-23.4 °C17 December 1963	10.2 °C	636 mm	5	69
1962	33.1 °C13 August 1962	-9.4 °C25 December 1962	11.0 °C	437 mm	24	79
1961	31.4 °C27 August 1961	-5.6 °C21 December 1961	11.9 °C	646 mm	3	32
1960	31.2 °C25 July 1960	-7.6 °C11 January 1960	11.0 °C	739 mm	6	48
1959	30.8 °C5 July 1959	-3.7 °C12 January 1959	11.3 °C	626 mm	9	31
1958	34.2 °C31 July 1958	-4.7 °C24 January 1958	11.1 °C	563 mm	8	52
1957	33.2 °C1 August 1957	-5.8 °C17 January 1957	10.8 °C	420 mm	13	61
1956	31.5 °C12 September 1956	-9.7 °C11 February 1956	9.7 °C	473 mm	6	90
1955	32.2 °C20 August 1955	-5.7 °C8 March 1955	11.8 °C	544 mm	12	58
1954	33.1 °C25 July 1954	-12.6 °C7 February 1954	10.6 °C	409 mm	16	78
1953	32.8 °C21 July 1953	-5.4 °C22 January 1953	11.0 °C	352 mm	21	81
1952	33.7 °C13 August 1952	-8.1 °C27 January 1952	11.0 °C	404 mm	8	77
1951	34.8 °C28 July 1951	-6.1 °C15 February 1951	10.6 °C	589 mm	12	55
1950	35.3 °C29 June 1950	-4.2 °C21 January 1950	11.9 °C	388 mm	29	57
1949	33.8 °C31 July 1949	-6.1 °C3 February 1949	11.3 °C	386 mm	26	73
1948	33.2 °C26 July 1948	-14.6 °C22 February 1948	11.3 °C	490 mm	9	40
1947	34.3 °C27 July 1947	-11.9 °C27 January 1947	12.0 °C	614 mm	27	53
1946	34.1 °C3 August 1946	-11.8 °C24 January 1946	10.5 °C	593 mm	17	73
1945	34.9 °C21 July 1945	-16.6 °C13 January 1945	12.1 °C	363 mm	34	70
1944	34.3 °C31 July 1944	-11.8 °C25 February 1944	10.5 °C	440 mm	24	97
1943	34.4 °C29 July 1943	-3.8 °C22 November 1943	11.6 °C	458 mm	38	68
1942	34.3 °C25 July 1942	-7.6 °C13 January 1942	10.9 °C	487 mm	29	72
1941	35.1 °C25 July 1941	-16.7 °C12 January 1941	10.5 °C	518 mm	24	84
1940	33.8 °C11 August 1940	-14.4 °C21 January 1940	10.5 °C	586 mm	15	76

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

19.2 °C

+2.0 °C

Hot days (≥ 30 °C)

70 d/yr

+39

Frost days (< 0 °C)

29 d/yr

-24

Annual rainfall

601 mm

+96 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	9.8 °C	+2.3 °C	55 mm	+7 mm
Feb	11.8 °C	+2.4 °C	49 mm	+5 mm
Mar	10.9 °C	-1.7 °C	115 mm	+68 mm
Apr	17.1 °C	+2.1 °C	79 mm	+23 mm
May	20.2 °C	+1.2 °C	80 mm	+23 mm
Jun	30.2 °C	+6.0 °C	42 mm	+1 mm
Jul	30.7 °C	+2.3 °C	11 mm	-8 mm
Aug	32.4 °C	+4.2 °C	6 mm	-11 mm
Sep	25.5 °C	+1.5 °C	8 mm	-24 mm
Oct	21.0 °C	+3.1 °C	39 mm	-9 mm
Nov	11.8 °C	+0.3 °C	75 mm	+22 mm
Dec	9.1 °C	+1.0 °C	45 mm	-4 mm

The year's extremes

Hottest day

38.6 °C

9 Aug 2025

Coldest day

-6.1 °C

15 Jan 2025

Wettest day

17.6 mm

15 Nov 2025

Windiest day

33.5 km/h

27 Jan 2025

Strongest gust

81.4 km/h

27 Jan 2025

Hottest feels-like

38.0 °C

9 Aug 2025

Coldest feels-like

-10.3 °C

14 Jan 2025

Snowiest day

2.2 cm

23 Mar 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 Aranda de Duero?

Aranda de Duero has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 11.8 °C and it receives 505 mm of precipitation per year.

What is the hottest day ever recorded in Aranda de Duero?

The hottest day measured in Aranda de Duero between 1940 and 2025 was 14 July 2022, reaching 39.7 °C.

What is the coldest day in Aranda de Duero?

The coldest day measured in Aranda de Duero between 1940 and 2025 was 17 December 1963, at -23.4 °C.

Does it snow in Aranda de Duero?

Yes. Aranda de Duero gets on average 18.0 cm of snow per year and has around 53 frost days.

Has the climate of Aranda de Duero warmed?

Yes: Aranda de Duero warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Aranda de Duero?

The wettest day measured in Aranda de Duero between 1940 and 2025 was 13 November 1984, with 44 mm of rain in 24 hours.

What was the windiest day in Aranda de Duero?

The windiest day measured in Aranda de Duero between 1940 and 2025 was 25 February 1989, with winds reaching 52.5 km/h.

What is the warmest month in Aranda de Duero?

The warmest month in Aranda de Duero is July (21.5 °C on average); the coldest is January (3.7 °C).

How much does it rain in Aranda de Duero?

Aranda de Duero receives on average 505 mm of precipitation per year, spread over about 100 rainy days.

Is it sunny in Aranda de Duero?

Aranda de Duero 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 Aranda de Duero?

The heaviest 24-hour snowfall measured in Aranda de Duero between 1940 and 2025 was 5 December 1996, with 12.7 cm.

Are there tropical nights in Aranda de Duero?

Yes: Aranda de Duero has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Aranda de Duero?

In Aranda de Duero, between 1940 and 2025, the highest apparent temperature reached 39.2 °C on 16 July 2022, and the lowest was -29.0 °C on 17 December 1963.

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