Bacchus Marsh climate — normals and trends

Q: What is the climate of Bacchus Marsh?

Bacchus Marsh has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 13.3 °C and it receives 552 mm of precipitation per year.

Q: What is the hottest day ever recorded in Bacchus Marsh?

The hottest day measured in Bacchus Marsh between 1940 and 2025 was 7 February 2009, reaching 45.1 °C.

Q: What is the coldest day in Bacchus Marsh?

The coldest day measured in Bacchus Marsh between 1940 and 2025 was 5 August 1997, at -3.0 °C.

Q: Does it snow in Bacchus Marsh?

Almost never: Bacchus Marsh sees virtually no snow, with about 2 frost days per year.

Q: Has the climate of Bacchus Marsh warmed?

Yes: Bacchus Marsh warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Bacchus Marsh?

The wettest day measured in Bacchus Marsh between 1940 and 2025 was 5 February 1973, with 81 mm of rain in 24 hours.

Q: What was the windiest day in Bacchus Marsh?

The windiest day measured in Bacchus Marsh between 1940 and 2025 was 2 April 2008, with winds reaching 50.9 km/h.

Q: What is the warmest month in Bacchus Marsh?

The warmest month in Bacchus Marsh is January (18.5 °C on average); the coldest is July (8.3 °C).

Q: How much does it rain in Bacchus Marsh?

Bacchus Marsh receives on average 552 mm of precipitation per year, spread over about 100 rainy days.

Q: Is it sunny in Bacchus Marsh?

Bacchus Marsh gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Bacchus Marsh (Australia) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 13.3 °C and it receives 552 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 January (18.5 °C on average) and the coldest is July (8.3 °C). Rainfall peaks in October.

Bacchus Marsh averages 2 frost days, 22 hot days (≥ 30 °C) and 100 rainy days per year.

Bacchus Marsh has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.

The number of frost days there went from about 3 to 1 per year over the period.

The hottest day of the period reached 45.1 °C (on 7 February 2009) and the coldest -3.0 °C (on 5 August 1997).

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

Bacchus MarshVictoria

coords: -37.67°, 144.44°
period: 1940–2025 · 86 yrs

CfbTemperate oceanicWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthMarch

Mean daily temperature

13.3°C

Average daily high

18.4°C

Average daily low

8.8°C

Annual rainfall

552mm

Sunshine / day

9.7h

Mean relative humidity

72%

Average peak wind

19.3km/h

Seasonal range

10.2°C

Frost days (< 0 °C)

2 d/yr

Hot days (≥ 30 °C)

22 d/yr

Rainy days (≥ 1 mm)

100 d/yr

Annual snowfall

0.1 cm

Average feels-like high

16.4 °C

Average feels-like low

6.3 °C

Average peak gust

41.1 km/h

Tropical nights (≥ 20 °C)

2 d/yr

Solar radiation

16.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.38 · 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

45.1 °C

7 February 2009

Coldest day

-3.0 °C

5 August 1997

Wettest day

81 mm

5 February 1973

Windiest day

50.9 km/h

2 April 2008

Strongest gust

105.1 km/h

22 October 2025

Hottest feels-like

43.4 °C

30 January 2009

Coldest feels-like

-6.7 °C

5 August 1997

Snowiest day

3.4 cm

14 June 1941

Sunniest day

14.6 h

18 December 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.8 °C27 January 2025	-0.3 °C20 May 2025	14.1 °C	508 mm	37	1
2024	39.6 °C16 December 2024	-1.7 °C1 August 2024	14.2 °C	498 mm	28	3
2023	38.9 °C17 February 2023	-0.8 °C16 August 2023	13.9 °C	589 mm	20	1
2022	36.4 °C27 December 2022	-2.3 °C20 July 2022	13.6 °C	842 mm	21	3
2021	37.6 °C25 January 2021	-0.1 °C9 July 2021	13.2 °C	687 mm	18	1
2020	42.6 °C31 January 2020	-2.0 °C28 June 2020	13.4 °C	668 mm	19	2
2019	43.5 °C20 December 2019	0.8 °C18 September 2019	14.2 °C	404 mm	34	0
2018	41.4 °C6 January 2018	-2.8 °C29 August 2018	14.2 °C	447 mm	31	1
2017	37.8 °C17 January 2017	-0.9 °C1 July 2017	14.1 °C	554 mm	38	1
2016	41.2 °C13 January 2016	0.4 °C26 June 2016	14.0 °C	687 mm	25	0
2015	41.1 °C19 December 2015	-2.0 °C20 July 2015	13.9 °C	363 mm	35	2
2014	42.7 °C14 January 2014	-1.0 °C3 August 2014	14.3 °C	455 mm	35	2
2013	41.0 °C4 January 2013	-0.4 °C20 June 2013	14.2 °C	549 mm	34	3
2012	38.6 °C2 January 2012	0.0 °C7 July 2012	13.7 °C	507 mm	25	0
2011	36.8 °C30 January 2011	0.2 °C16 July 2011	13.6 °C	688 mm	10	0
2010	41.5 °C11 January 2010	-0.7 °C9 July 2010	13.6 °C	681 mm	22	2
2009	45.1 °C7 February 2009	0.3 °C30 April 2009	14.0 °C	367 mm	33	0
2008	39.3 °C10 January 2008	-0.2 °C25 August 2008	13.4 °C	431 mm	22	2
2007	40.1 °C31 December 2007	-0.6 °C20 August 2007	14.3 °C	575 mm	29	1
2006	40.2 °C22 January 2006	-1.5 °C7 August 2006	13.2 °C	328 mm	28	3
2005	37.0 °C30 December 2005	0.1 °C25 June 2005	13.8 °C	581 mm	25	0
2004	38.2 °C20 February 2004	0.5 °C16 August 2004	13.1 °C	511 mm	20	0
2003	42.2 °C25 January 2003	-1.1 °C20 August 2003	13.3 °C	558 mm	28	3
2002	34.6 °C18 March 2002	-1.1 °C19 June 2002	13.5 °C	384 mm	27	2
2001	38.5 °C11 January 2001	0.7 °C27 June 2001	13.3 °C	506 mm	27	0
2000	38.7 °C3 February 2000	0.0 °C18 August 2000	13.5 °C	562 mm	29	0
1999	34.7 °C10 January 1999	-0.4 °C12 June 1999	13.5 °C	577 mm	15	3
1998	39.5 °C17 January 1998	-1.8 °C18 June 1998	13.0 °C	543 mm	22	5
1997	39.6 °C20 January 1997	-3.0 °C5 August 1997	13.4 °C	367 mm	27	4
1996	35.9 °C14 January 1996	-0.2 °C16 June 1996	12.5 °C	610 mm	7	1
1995	38.4 °C25 February 1995	-1.2 °C22 June 1995	12.5 °C	750 mm	14	2
1994	39.2 °C26 January 1994	-1.8 °C21 August 1994	13.1 °C	374 mm	19	8
1993	38.1 °C15 January 1993	-0.6 °C5 August 1993	13.3 °C	641 mm	15	1
1992	36.8 °C20 January 1992	-1.0 °C26 August 1992	12.7 °C	747 mm	11	1
1991	39.8 °C3 January 1991	0.1 °C18 August 1991	13.1 °C	625 mm	19	0
1990	36.9 °C24 January 1990	0.9 °C27 August 1990	13.5 °C	591 mm	19	0
1989	36.0 °C28 January 1989	-1.9 °C28 June 1989	13.1 °C	742 mm	29	4
1988	38.1 °C29 January 1988	0.4 °C12 August 1988	13.9 °C	544 mm	23	0
1987	37.7 °C2 February 1987	-0.1 °C17 June 1987	12.8 °C	644 mm	20	1
1986	36.7 °C8 February 1986	-1.5 °C30 June 1986	12.6 °C	567 mm	17	1
1985	41.0 °C14 January 1985	-1.4 °C24 July 1985	13.0 °C	743 mm	16	1
1984	33.4 °C27 February 1984	-1.8 °C15 July 1984	12.8 °C	476 mm	9	1
1983	41.1 °C16 February 1983	-1.1 °C24 July 1983	13.1 °C	699 mm	21	2
1982	43.1 °C24 January 1982	-2.8 °C21 July 1982	13.5 °C	359 mm	37	8
1981	40.7 °C26 January 1981	1.1 °C17 June 1981	13.7 °C	556 mm	24	0
1980	39.8 °C10 December 1980	1.2 °C4 November 1980	13.6 °C	507 mm	27	0
1979	39.1 °C2 February 1979	0.1 °C26 July 1979	13.2 °C	537 mm	25	0
1978	37.2 °C11 March 1978	0.1 °C25 August 1978	12.9 °C	791 mm	12	0
1977	39.0 °C17 February 1977	0.1 °C9 July 1977	12.9 °C	472 mm	27	0
1976	37.5 °C4 January 1976	-1.7 °C27 July 1976	12.9 °C	563 mm	19	4
1975	37.4 °C8 February 1975	0.9 °C19 June 1975	13.2 °C	653 mm	18	0
1974	33.6 °C3 March 1974	-0.8 °C6 August 1974	13.0 °C	740 mm	20	1
1973	38.7 °C20 January 1973	-1.4 °C7 July 1973	13.1 °C	752 mm	14	5
1972	36.6 °C20 December 1972	0.4 °C17 June 1972	13.4 °C	399 mm	16	0
1971	34.0 °C25 January 1971	0.3 °C1 July 1971	13.1 °C	700 mm	14	0
1970	39.9 °C9 February 1970	0.4 °C2 September 1970	12.8 °C	665 mm	14	0
1969	36.9 °C8 January 1969	-0.8 °C16 June 1969	13.1 °C	580 mm	19	1
1968	40.4 °C31 January 1968	0.4 °C18 June 1968	13.4 °C	576 mm	27	0
1967	38.7 °C6 February 1967	1.1 °C18 August 1967	13.2 °C	317 mm	20	0
1966	38.3 °C26 January 1966	0.8 °C31 July 1966	13.1 °C	600 mm	22	0
1965	38.3 °C17 January 1965	0.1 °C31 July 1965	13.4 °C	425 mm	27	0
1964	37.0 °C4 February 1964	1.8 °C9 September 1964	12.9 °C	683 mm	20	0
1963	34.1 °C28 February 1963	-1.6 °C7 August 1963	13.4 °C	693 mm	18	4
1962	38.2 °C1 December 1962	-0.7 °C12 July 1962	13.6 °C	469 mm	18	2
1961	39.7 °C28 January 1961	0.9 °C21 July 1961	14.2 °C	467 mm	28	0
1960	39.0 °C16 January 1960	-1.4 °C8 August 1960	13.1 °C	630 mm	26	3
1959	40.3 °C19 January 1959	-0.4 °C10 July 1959	13.5 °C	596 mm	25	1
1958	35.4 °C9 January 1958	-1.2 °C9 July 1958	12.8 °C	578 mm	15	2
1957	37.2 °C30 January 1957	-2.0 °C3 July 1957	13.2 °C	456 mm	21	3
1956	35.7 °C22 February 1956	-1.6 °C10 July 1956	12.9 °C	722 mm	13	4
1955	39.6 °C2 January 1955	0.1 °C9 June 1955	13.2 °C	494 mm	22	0
1954	36.9 °C26 January 1954	-1.2 °C5 August 1954	13.0 °C	518 mm	16	4
1953	38.3 °C20 December 1953	0.4 °C12 July 1953	13.0 °C	475 mm	21	0
1952	37.0 °C23 January 1952	-0.7 °C21 July 1952	12.5 °C	654 mm	18	3
1951	40.1 °C12 January 1951	0.8 °C20 July 1951	13.6 °C	476 mm	31	0
1950	38.0 °C5 December 1950	-1.1 °C13 June 1950	13.4 °C	481 mm	21	5
1949	35.2 °C29 January 1949	-0.3 °C8 October 1949	12.1 °C	686 mm	6	2
1948	38.6 °C12 February 1948	-0.7 °C17 June 1948	12.6 °C	471 mm	21	3
1947	37.8 °C26 January 1947	0.3 °C26 June 1947	13.3 °C	523 mm	31	0
1946	37.5 °C7 February 1946	-0.6 °C2 September 1946	12.4 °C	536 mm	13	4
1945	38.2 °C8 January 1945	-2.0 °C23 July 1945	12.3 °C	503 mm	11	6
1944	42.7 °C22 January 1944	-2.9 °C16 July 1944	12.7 °C	440 mm	26	8
1943	38.7 °C17 February 1943	-0.9 °C14 August 1943	12.1 °C	345 mm	17	6
1942	37.1 °C4 March 1942	-2.5 °C6 August 1942	12.5 °C	513 mm	12	3
1941	39.2 °C29 November 1941	-2.3 °C8 July 1941	12.6 °C	485 mm	21	6
1940	40.6 °C19 December 1940	-1.8 °C18 August 1940	13.4 °C	225 mm	34	7

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

19.6 °C

+1.2 °C

Hot days (≥ 30 °C)

37 d/yr

+15

Frost days (< 0 °C)

1 d/yr

-1

Annual rainfall

508 mm

-44 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	26.5 °C	+1.6 °C	33 mm	-8 mm
Feb	26.8 °C	+2.1 °C	31 mm	-9 mm
Mar	25.1 °C	+2.4 °C	26 mm	-9 mm
Apr	21.9 °C	+2.9 °C	26 mm	-14 mm
May	17.5 °C	+2.1 °C	15 mm	-26 mm
Jun	12.7 °C	+0.1 °C	60 mm	+21 mm
Jul	12.9 °C	+0.9 °C	50 mm	+11 mm
Aug	14.1 °C	+0.9 °C	35 mm	-12 mm
Sep	16.6 °C	+1.2 °C	26 mm	-29 mm
Oct	19.2 °C	+1.2 °C	61 mm	+1 mm
Nov	19.0 °C	-1.4 °C	113 mm	+54 mm
Dec	22.9 °C	+0.1 °C	32 mm	-22 mm

The year's extremes

Hottest day

39.8 °C

27 Jan 2025

Coldest day

-0.3 °C

20 May 2025

Wettest day

29.7 mm

3 Nov 2025

Windiest day

45.9 km/h

22 Oct 2025

Strongest gust

105.1 km/h

22 Oct 2025

Hottest feels-like

38.4 °C

4 Feb 2025

Coldest feels-like

-3.8 °C

20 May 2025

Sunniest day

14.6 h

18 Dec 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 Bacchus Marsh?

Bacchus Marsh has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 13.3 °C and it receives 552 mm of precipitation per year.

What is the hottest day ever recorded in Bacchus Marsh?

The hottest day measured in Bacchus Marsh between 1940 and 2025 was 7 February 2009, reaching 45.1 °C.

What is the coldest day in Bacchus Marsh?

The coldest day measured in Bacchus Marsh between 1940 and 2025 was 5 August 1997, at -3.0 °C.

Does it snow in Bacchus Marsh?

Almost never: Bacchus Marsh sees virtually no snow, with about 2 frost days per year.

Has the climate of Bacchus Marsh warmed?

Yes: Bacchus Marsh warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Bacchus Marsh?

The wettest day measured in Bacchus Marsh between 1940 and 2025 was 5 February 1973, with 81 mm of rain in 24 hours.

What was the windiest day in Bacchus Marsh?

The windiest day measured in Bacchus Marsh between 1940 and 2025 was 2 April 2008, with winds reaching 50.9 km/h.

What is the warmest month in Bacchus Marsh?

The warmest month in Bacchus Marsh is January (18.5 °C on average); the coldest is July (8.3 °C).

How much does it rain in Bacchus Marsh?

Bacchus Marsh receives on average 552 mm of precipitation per year, spread over about 100 rainy days.

Is it sunny in Bacchus Marsh?

Bacchus Marsh 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 Bacchus Marsh?

The heaviest 24-hour snowfall measured in Bacchus Marsh between 1940 and 2025 was 14 June 1941, with 3.4 cm.

Are there tropical nights in Bacchus Marsh?

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

What was the most extreme apparent temperature in Bacchus Marsh?

In Bacchus Marsh, between 1940 and 2025, the highest apparent temperature reached 43.4 °C on 30 January 2009, and the lowest was -6.7 °C on 5 August 1997.

Compare Bacchus Marsh with another city

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

Nearby cities

The climate around Bacchus Marsh

Other cities — Australia

All cities in Australia →