Piatra Olt climate — normals and trends

Q: What is the climate of Piatra Olt?

Piatra Olt has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 12.0 °C and it receives 638 mm of precipitation per year.

Q: What is the hottest day ever recorded in Piatra Olt?

The hottest day measured in Piatra Olt between 1940 and 2025 was 24 July 2007, reaching 43.8 °C.

Q: What is the coldest day in Piatra Olt?

The coldest day measured in Piatra Olt between 1940 and 2025 was 25 January 1942, at -30.0 °C.

Q: Does it snow in Piatra Olt?

Yes. Piatra Olt gets on average 54.8 cm of snow per year and has around 78 frost days.

Q: Has the climate of Piatra Olt warmed?

Yes: Piatra Olt warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Piatra Olt?

The wettest day measured in Piatra Olt between 1940 and 2025 was 18 June 1941, with 95 mm of rain in 24 hours.

Q: What was the windiest day in Piatra Olt?

The windiest day measured in Piatra Olt between 1940 and 2025 was 6 February 1969, with winds reaching 51.8 km/h.

Q: What is the warmest month in Piatra Olt?

The warmest month in Piatra Olt is July (23.8 °C on average); the coldest is January (-1.4 °C).

Q: How much does it rain in Piatra Olt?

Piatra Olt receives on average 638 mm of precipitation per year, spread over about 100 rainy days.

Q: Is it sunny in Piatra Olt?

Piatra Olt gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Piatra Olt (Romania) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 12.0 °C and it receives 638 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 (23.8 °C on average) and the coldest is January (-1.4 °C). Rainfall peaks in June.

Piatra Olt averages 78 frost days, 39 hot days (≥ 30 °C) and 100 rainy days per year.

Piatra Olt has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.

The number of frost days there went from about 94 to 62 per year over the period.

The hottest day of the period reached 43.8 °C (on 24 July 2007) and the coldest -30.0 °C (on 25 January 1942).

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

Piatra OltOlt

coords: 44.37°, 24.27°
period: 1940–2025 · 86 yrs

DfaHot-summer humid continentalWarmest monthJulyColdest monthJanuaryWettest monthJuneDriest monthFebruary

Mean daily temperature

12.0°C

Average daily high

16.7°C

Average daily low

7.7°C

Annual rainfall

638mm

Sunshine / day

9.1h

Mean relative humidity

73%

Average peak wind

15.6km/h

Seasonal range

25.2°C

Frost days (< 0 °C)

78 d/yr

Hot days (≥ 30 °C)

39 d/yr

Rainy days (≥ 1 mm)

100 d/yr

Annual snowfall

54.8 cm

Average feels-like high

15.2 °C

Average feels-like low

5.5 °C

Average peak gust

30.1 km/h

Tropical nights (≥ 20 °C)

20 d/yr

Solar radiation

14.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.44 · 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

43.8 °C

24 July 2007

Coldest day

-30.0 °C

25 January 1942

Wettest day

95 mm

18 June 1941

Windiest day

51.8 km/h

6 February 1969

Strongest gust

88.2 km/h

3 May 1978

Hottest feels-like

44.7 °C

21 July 1987

Coldest feels-like

-35.6 °C

25 January 1942

Snowiest day

23.5 cm

5 November 1995

Sunniest day

15.0 h

23 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	41.1 °C26 July 2025	-10.0 °C10 February 2025	13.6 °C	601 mm	79	64
2024	41.1 °C16 July 2024	-9.4 °C11 January 2024	14.7 °C	505 mm	92	46
2023	37.9 °C4 August 2023	-10.0 °C10 February 2023	14.1 °C	587 mm	57	37
2022	39.5 °C23 July 2022	-8.6 °C25 January 2022	13.4 °C	493 mm	60	70
2021	38.4 °C2 August 2021	-13.2 °C18 January 2021	12.6 °C	732 mm	58	51
2020	36.0 °C1 September 2020	-7.5 °C8 January 2020	13.5 °C	574 mm	62	54
2019	37.3 °C8 August 2019	-11.2 °C13 January 2019	13.8 °C	510 mm	63	59
2018	33.5 °C26 August 2018	-15.7 °C1 March 2018	12.8 °C	659 mm	51	77
2017	40.6 °C29 June 2017	-20.4 °C10 January 2017	12.8 °C	676 mm	66	64
2016	36.0 °C18 June 2016	-20.3 °C20 January 2016	12.6 °C	687 mm	64	62
2015	37.5 °C30 July 2015	-17.7 °C1 January 2015	13.2 °C	647 mm	57	52
2014	35.3 °C13 August 2014	-15.1 °C31 December 2014	12.5 °C	889 mm	31	48
2013	37.7 °C29 July 2013	-9.8 °C10 January 2013	13.0 °C	652 mm	51	74
2012	41.1 °C15 July 2012	-23.3 °C9 February 2012	13.4 °C	529 mm	98	89
2011	36.5 °C16 July 2011	-13.6 °C2 February 2011	12.2 °C	468 mm	50	94
2010	36.2 °C28 August 2010	-17.6 °C25 January 2010	12.3 °C	757 mm	48	71
2009	37.4 °C24 July 2009	-15.1 °C21 December 2009	13.1 °C	630 mm	55	53
2008	37.6 °C16 August 2008	-16.3 °C5 January 2008	13.2 °C	465 mm	72	63
2007	43.8 °C24 July 2007	-11.6 °C19 December 2007	13.9 °C	641 mm	67	53
2006	37.0 °C20 August 2006	-16.1 °C25 January 2006	12.3 °C	523 mm	48	78
2005	35.7 °C1 August 2005	-20.7 °C8 February 2005	11.7 °C	1,109 mm	20	79
2004	38.0 °C10 July 2004	-15.7 °C8 January 2004	12.3 °C	537 mm	34	77
2003	38.4 °C15 August 2003	-12.4 °C13 January 2003	12.3 °C	522 mm	72	98
2002	39.1 °C24 June 2002	-20.8 °C27 December 2002	13.0 °C	690 mm	41	60
2001	38.2 °C10 August 2001	-12.8 °C28 February 2001	13.0 °C	524 mm	53	66
2000	42.3 °C5 July 2000	-16.4 °C26 January 2000	13.2 °C	376 mm	60	67
1999	36.6 °C10 August 1999	-15.2 °C1 February 1999	12.6 °C	738 mm	46	67
1998	40.7 °C2 July 1998	-16.1 °C31 January 1998	12.1 °C	643 mm	57	88
1997	36.5 °C5 July 1997	-20.5 °C18 December 1997	11.2 °C	676 mm	20	84
1996	38.6 °C8 July 1996	-18.9 °C2 February 1996	11.2 °C	677 mm	40	84
1995	34.1 °C24 July 1995	-13.0 °C16 January 1995	11.7 °C	718 mm	30	85
1994	37.9 °C30 June 1994	-10.9 °C13 February 1994	13.4 °C	628 mm	67	64
1993	39.9 °C25 August 1993	-21.7 °C5 January 1993	11.8 °C	526 mm	58	107
1992	37.2 °C28 August 1992	-12.6 °C26 December 1992	12.5 °C	390 mm	53	79
1991	33.2 °C10 August 1991	-16.0 °C11 December 1991	11.1 °C	696 mm	29	93
1990	36.6 °C4 July 1990	-20.8 °C7 January 1990	12.7 °C	560 mm	46	58
1989	35.3 °C19 August 1989	-13.2 °C12 December 1989	12.6 °C	543 mm	37	78
1988	38.7 °C6 July 1988	-11.4 °C19 December 1988	12.0 °C	612 mm	46	80
1987	40.2 °C25 July 1987	-16.3 °C31 January 1987	11.5 °C	661 mm	52	89
1986	36.6 °C19 August 1986	-19.6 °C28 February 1986	11.8 °C	551 mm	43	90
1985	41.4 °C31 July 1985	-23.9 °C13 January 1985	11.1 °C	527 mm	39	89
1984	36.5 °C15 July 1984	-10.5 °C28 December 1984	11.7 °C	623 mm	22	66
1983	34.3 °C20 July 1983	-10.5 °C6 December 1983	12.4 °C	530 mm	32	86
1982	36.9 °C27 June 1982	-9.6 °C15 January 1982	11.6 °C	625 mm	21	84
1981	34.0 °C19 July 1981	-14.1 °C22 December 1981	11.8 °C	672 mm	26	81
1980	35.8 °C10 July 1980	-20.5 °C15 January 1980	10.7 °C	720 mm	17	88
1979	33.6 °C1 August 1979	-14.9 °C21 February 1979	11.4 °C	845 mm	15	73
1978	36.6 °C8 August 1978	-11.7 °C23 February 1978	11.1 °C	683 mm	13	84
1977	36.2 °C22 August 1977	-17.2 °C20 January 1977	12.0 °C	513 mm	29	68
1976	32.8 °C21 July 1976	-14.8 °C9 February 1976	10.9 °C	748 mm	5	78
1975	31.6 °C19 July 1975	-10.9 °C28 November 1975	12.2 °C	885 mm	8	82
1974	36.7 °C18 July 1974	-10.7 °C15 January 1974	11.9 °C	634 mm	30	61
1973	35.8 °C18 July 1973	-18.6 °C27 January 1973	11.0 °C	781 mm	10	102
1972	37.2 °C16 June 1972	-15.6 °C17 January 1972	11.8 °C	981 mm	31	60
1971	35.7 °C8 August 1971	-11.0 °C16 January 1971	11.7 °C	791 mm	22	71
1970	31.2 °C6 August 1970	-11.2 °C21 January 1970	11.5 °C	801 mm	12	78
1969	33.6 °C16 May 1969	-19.2 °C9 January 1969	10.8 °C	838 mm	15	97
1968	37.7 °C9 July 1968	-19.4 °C10 January 1968	12.2 °C	659 mm	26	76
1967	34.3 °C11 August 1967	-19.0 °C20 January 1967	11.9 °C	642 mm	25	77
1966	33.5 °C7 July 1966	-14.7 °C22 January 1966	12.3 °C	879 mm	21	62
1965	37.7 °C26 July 1965	-18.7 °C7 February 1965	11.1 °C	655 mm	32	89
1964	35.3 °C21 July 1964	-16.8 °C13 January 1964	11.4 °C	713 mm	32	88
1963	37.2 °C18 August 1963	-22.8 °C25 January 1963	11.2 °C	632 mm	54	104
1962	34.8 °C28 July 1962	-15.7 °C29 December 1962	11.7 °C	600 mm	46	97
1961	35.6 °C13 August 1961	-12.9 °C28 January 1961	12.4 °C	587 mm	23	65
1960	32.3 °C19 August 1960	-11.9 °C8 February 1960	12.2 °C	716 mm	22	50
1959	34.9 °C31 July 1959	-16.4 °C21 January 1959	11.2 °C	637 mm	25	76
1958	36.6 °C23 August 1958	-11.9 °C10 January 1958	12.5 °C	384 mm	38	71
1957	34.2 °C25 June 1957	-17.3 °C24 December 1957	11.4 °C	704 mm	21	79
1956	34.4 °C20 August 1956	-22.7 °C6 February 1956	10.0 °C	741 mm	23	112
1955	32.0 °C9 June 1955	-15.9 °C5 March 1955	11.3 °C	714 mm	7	77
1954	34.3 °C29 July 1954	-22.0 °C28 January 1954	10.1 °C	790 mm	26	109
1953	34.3 °C30 July 1953	-13.9 °C18 January 1953	11.2 °C	542 mm	28	101
1952	39.2 °C17 August 1952	-16.9 °C10 March 1952	12.4 °C	589 mm	55	77
1951	34.3 °C10 August 1951	-13.7 °C11 February 1951	12.3 °C	632 mm	19	72
1950	36.3 °C5 July 1950	-23.9 °C5 February 1950	12.5 °C	456 mm	64	70
1949	36.3 °C3 August 1949	-15.7 °C6 March 1949	11.9 °C	529 mm	23	84
1948	34.4 °C9 August 1948	-11.4 °C3 January 1948	12.0 °C	387 mm	26	89
1947	35.7 °C9 July 1947	-20.9 °C10 January 1947	11.6 °C	608 mm	34	86
1946	38.9 °C8 September 1946	-24.4 °C19 December 1946	12.2 °C	623 mm	74	82
1945	40.4 °C20 August 1945	-24.2 °C31 January 1945	12.2 °C	302 mm	66	104
1944	33.8 °C3 September 1944	-14.1 °C18 January 1944	12.0 °C	507 mm	44	81
1943	34.3 °C29 September 1943	-18.4 °C20 January 1943	11.6 °C	687 mm	28	93
1942	32.7 °C21 June 1942	-30.0 °C25 January 1942	10.3 °C	576 mm	20	127
1941	31.3 °C17 July 1941	-16.9 °C29 January 1941	10.0 °C	834 mm	7	105
1940	32.1 °C16 July 1940	-23.9 °C10 January 1940	9.0 °C	753 mm	7	117

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

+2.5 °C

Hot days (≥ 30 °C)

79 d/yr

+40

Frost days (< 0 °C)

64 d/yr

-14

Annual rainfall

601 mm

-37 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	9.3 °C	+7.4 °C	5 mm	-35 mm
Feb	4.1 °C	-1.0 °C	16 mm	-20 mm
Mar	16.6 °C	+5.7 °C	49 mm	+4 mm
Apr	18.8 °C	+1.2 °C	28 mm	-31 mm
May	21.6 °C	-1.3 °C	114 mm	+39 mm
Jun	31.5 °C	+4.7 °C	19 mm	-66 mm
Jul	34.1 °C	+4.7 °C	12 mm	-54 mm
Aug	32.2 °C	+2.8 °C	27 mm	-24 mm
Sep	27.0 °C	+2.3 °C	15 mm	-25 mm
Oct	16.4 °C	-1.3 °C	151 mm	+106 mm
Nov	11.3 °C	+1.3 °C	122 mm	+72 mm
Dec	6.0 °C	+2.0 °C	43 mm	-4 mm

The year's extremes

Hottest day

41.1 °C

26 Jul 2025

Coldest day

-10.0 °C

10 Feb 2025

Wettest day

46.2 mm

3 Oct 2025

Windiest day

43.6 km/h

28 Mar 2025

Strongest gust

76.3 km/h

28 Mar 2025

Hottest feels-like

41.4 °C

22 Jul 2025

Coldest feels-like

-14.2 °C

10 Feb 2025

Snowiest day

8.0 cm

25 Dec 2025

Sunniest day

15.0 h

4 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 Piatra Olt?

Piatra Olt has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 12.0 °C and it receives 638 mm of precipitation per year.

What is the hottest day ever recorded in Piatra Olt?

The hottest day measured in Piatra Olt between 1940 and 2025 was 24 July 2007, reaching 43.8 °C.

What is the coldest day in Piatra Olt?

The coldest day measured in Piatra Olt between 1940 and 2025 was 25 January 1942, at -30.0 °C.

Does it snow in Piatra Olt?

Yes. Piatra Olt gets on average 54.8 cm of snow per year and has around 78 frost days.

Has the climate of Piatra Olt warmed?

Yes: Piatra Olt warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Piatra Olt?

The wettest day measured in Piatra Olt between 1940 and 2025 was 18 June 1941, with 95 mm of rain in 24 hours.

What was the windiest day in Piatra Olt?

The windiest day measured in Piatra Olt between 1940 and 2025 was 6 February 1969, with winds reaching 51.8 km/h.

What is the warmest month in Piatra Olt?

The warmest month in Piatra Olt is July (23.8 °C on average); the coldest is January (-1.4 °C).

How much does it rain in Piatra Olt?

Piatra Olt receives on average 638 mm of precipitation per year, spread over about 100 rainy days.

Is it sunny in Piatra Olt?

Piatra Olt gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

What is the biggest single-day snowfall in Piatra Olt?

The heaviest 24-hour snowfall measured in Piatra Olt between 1940 and 2025 was 5 November 1995, with 23.5 cm.

Are there tropical nights in Piatra Olt?

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

What was the most extreme apparent temperature in Piatra Olt?

In Piatra Olt, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 21 July 1987, and the lowest was -35.6 °C on 25 January 1942.

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