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Australia · 1991–2020

Best time to visit
Mundijong.

April leads for comfortable weather in Mundijong: typically 23.8°C by day, 12.1°C at night, with 48 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortApril

Typical high23.8°C

Typical low12.1°C

Rain in April48 mm

Comfort

April

April · November · March

90climate match

Beach

February

February · January · March

80climate match

Outdoors

October

October · April · November

84climate match

The weakest month is July, scoring 20 against April’s 90 — days reach only 15.8°C, 8° below the 24°C the score treats as ideal, and 213 mm of rain falls.

Month by month

The whole year,
without the guesswork.

The bars show the comfort score. Day and night temperatures come from daily observed highs and lows; rain is the historical monthly estimate.

Jan

7730.9° / 15.4°

Feb

7630.8° / 15.7°

Mar

8528.1° / 14.5°

Apr

9023.8° / 12.1°

May

5619.7° / 9.1°

Jun

3216.8° / 7.4°

Jul

2015.8° / 6.3°

Aug

2816.4° / 6.5°

Sep

4117.7° / 7.2°

Oct

7221.3° / 9.2°

Nov

8724.9° / 11.6°

Dec

8228.6° / 13.6°

Monthly climate evidence for Mundijong — daylight is calculated from latitude, everything else is measured, sea temperature from the nearest open water 35 km away
Month	Day	Night	Rain	Wet days	Sea	Daylight	Comfort	Coverage
January	30.9°C	15.4°C	19 mm	2	21.8°C	14 h 03	77	Strong coverage
February	30.8°C	15.7°C	16 mm	1.5	22.2°C	13 h 17	76	Strong coverage
March	28.1°C	14.5°C	25 mm	3.3	22.2°C	12 h 23	85	Strong coverage
April	23.8°C	12.1°C	48 mm	5.4	21.8°C	11 h 20	90	Strong coverage
May	19.7°C	9.1°C	127 mm	10	21.3°C	10 h 30	56	Strong coverage
June	16.8°C	7.4°C	190 mm	13.3	20.5°C	10 h 03	32	Strong coverage
July	15.8°C	6.3°C	213 mm	16.2	19.6°C	10 h 13	20	Strong coverage
August	16.4°C	6.5°C	191 mm	14.2	18.8°C	10 h 56	28	Strong coverage
September	17.7°C	7.2°C	142 mm	13.3	18.3°C	11 h 56	41	Strong coverage
October	21.3°C	9.2°C	67 mm	7.5	18.4°C	12 h 57	72	Strong coverage
November	24.9°C	11.6°C	47 mm	5.5	19.4°C	13 h 50	87	Strong coverage
December	28.6°C	13.6°C	19 mm	2.9	20.7°C	14 h 15	82	Strong coverage

What has changed

Mundijong runs +0.9°C
on the 1961–1990 baseline.

Each bar compares the 2011–2025 daytime average for that month against the same month in 1961–1990, measured at the same station. Months where the older record is too thin to compare are left blank.

Jan

+0.5

Feb

+0.6

Mar

+0.7

Apr

+1.2

May

+1.1

Jun

+0.9

Jul

+0.5

Aug

+1.0

Sep

+0.8

Oct

+1.1

Nov

+1.1

Dec

+1.2

April daytime highs, 2011–2025. Last recorded: 24.8°C.

Records at KARNET, 1965–2026
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	43.5°C31 Jan 1991	6.5°C5 Jan 2007	131 mm16 Jan 2018	167 mm1982 · driest 0 mm in 2004	61
February	44.5°C23 Feb 1991	6.2°C1 Feb 2016	116 mm10 Feb 2017	131 mm2017 · driest 0 mm in 1998	62
March	40.0°C1 Mar 1998	4.1°C28 Mar 2007	58 mm23 Mar 2010	92 mm1998 · driest 0 mm in 2012	62
April	36.6°C11 Apr 2020	3.0°C17 Apr 2006	77 mm8 Apr 1987	167 mm2008 · driest 0 mm in 2024	62
May	30.7°C1 May 2002	0.4°C30 May 1966	85 mm13 May 1988	282 mm1974 · driest 14 mm in 2023	62
June	25.3°C5 Jun 1975	-2.0°C22 Jun 1981	146 mm26 Jun 1967	455 mm1970 · driest 22 mm in 1994	61
July	24.0°C21 Jul 1994	-2.0°C30 Jul 1975	113 mm29 Jul 1987	441 mm1974 · driest 37 mm in 2012	62
August	25.0°C26 Aug 1998	-2.0°C1 Aug 1994	86 mm18 Aug 1989	289 mm2013 · driest 34 mm in 2008	61
September	31.4°C27 Sep 2023	-0.6°C28 Sep 2012	68 mm8 Sep 1981	305 mm2013 · driest 16 mm in 1969	60
October	35.8°C29 Oct 1969	0.6°C8 Oct 1992	78 mm1 Oct 1978	189 mm1989 · driest 2 mm in 1969	61
November	39.9°C22 Nov 1978	1.6°C1 Nov 1968	81 mm5 Nov 1991	152 mm1984 · driest 0 mm in 2017	61
December	42.0°C17 Dec 1993	4.0°C2 Dec 2002	57 mm30 Dec 1999	83 mm1987 · driest 0 mm in 1994	60

Typical days per month at KARNET, 1991–2020
Month	Days 25°C+	Days 30°C+	Heavy rain (10 mm+)
January	26	18	<1
February	24	16	<1
March	21	11	<1
April	10	2	2
May	2	0	4
June	0	0	6
July	0	0	7
August	<1	0	7
September	1	0	5
October	6	1	2
November	13	5	2
December	21	11	<1

The best month has moved. On the 1961–1990 numbers the strongest month here was November (scoring 91); on 2011–2025 it is April (94). Both are scored the same way, from the same station — only the climate underneath changed.

How often, not how much — every day in KARNET’s record sorted by what it was actually like, rather than averaged
Month	Warm & dry days	Wet days	Washouts	Week with 3+ wet days	Daytime mean has ranged
January	93%	6%	1%	3%	28.9–32.5°C
February	92%	8%	2%	4%	28.6–32.6°C
March	89%	11%	3%	8%	26.0–29.5°C
April	70%	21%	7%	25%	21.5–25.6°C
May	34%	34%	15%	46%	18.0–21.2°C
June	7%	47%	23%	67%	15.3–17.5°C
July	3%	52%	25%	72%	14.5–16.6°C
August	7%	47%	22%	64%	14.8–17.2°C
September	20%	42%	15%	58%	16.3–19.3°C
October	48%	27%	8%	31%	18.7–22.6°C
November	74%	19%	5%	16%	22.3–26.8°C
December	89%	9%	2%	5%	26.0–30.9°C

A warm and dry day reaches 20°C with under 1 mm of rain; a wet day gets 1 mm or more; a washout gets 10 mm or more. The week column is the share of seven-day stretches in that month, across the station’s whole daily record, that contained three or more wet days — the odds a week-long trip is rained on repeatedly, counted rather than modelled. The last column is the 10th to 90th percentile of that month’s daytime average across individual years: a narrow band means the average is what you will get, a wide one means the average is a midpoint between years that felt quite different.

1965Each stripe is one year’s mean temperature against the 52-year average. Warmest: 2024. Coolest: 1968.2024

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 2065329
NOAA station: ASN00009111 · KARNET
Station distance: 18.4 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 28 usable years
Daylight: Calculated from latitude -32.29°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Sea temperature: NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 35 km from the place centre. A sheltered bay can run warmer than the open sea it is measured from.
Important limit: Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

These places read the same station, so their numbers are identical — distance from KARNET is what differs

Serpentine→Jarrahdale→North Dandalup→Keysbrook→Mardella→Hopeland→

Or put two places side by side: Mundijong vs Serpentine

Best time to visitMundijong.

April

February

October

The whole year,without the guesswork.

Mundijong runs +0.9°Con the 1961–1990 baseline.

Nearby, measured,and named.

Best time to visit
Mundijong.

The whole year,
without the guesswork.

Mundijong runs +0.9°C
on the 1961–1990 baseline.

Nearby, measured,
and named.