Home·Australia·Western Australia

Australia · 1991–2020

Best time to visit
Coolup.

April leads for comfortable weather in Coolup: typically 23.5°C by day, 11.1°C at night, with 52 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortApril

Typical high23.5°C

Typical low11.1°C

Rain in April52 mm

Comfort

April

April · November · March

86climate match

Beach

February

February · January · December

79climate match

Outdoors

October

October · April · November

84climate match

The weakest month is July, scoring 20 against April’s 86 — days reach only 15.7°C, 8° below the 24°C the score treats as ideal, and 205 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

7830.6° / 14.8°

Feb

7830.4° / 15.2°

Mar

8527.7° / 13.6°

Apr

8623.5° / 11.1°

May

5119.4° / 8°

Jun

2916.7° / 6.5°

Jul

2015.7° / 5.7°

Aug

2616.3° / 5.9°

Sep

4117.7° / 6.9°

Oct

7021° / 8.7°

Nov

8624.8° / 11.2°

Dec

8228.4° / 13.2°

Monthly climate evidence for Coolup — daylight is calculated from latitude, everything else is measured, sea temperature from the nearest open water 26 km away
Month	Day	Night	Rain	Wet days	Sea	Daylight	Comfort	Coverage
January	30.6°C	14.8°C	14 mm	2	21.7°C	14 h 05	78	Strong coverage
February	30.4°C	15.2°C	16 mm	1.8	22.1°C	13 h 19	78	Strong coverage
March	27.7°C	13.6°C	28 mm	3.4	22.0°C	12 h 23	85	Strong coverage
April	23.5°C	11.1°C	52 mm	5.7	21.5°C	11 h 20	86	Strong coverage
May	19.4°C	8°C	144 mm	10.2	21.0°C	10 h 28	51	Strong coverage
June	16.7°C	6.5°C	196 mm	13.4	20.1°C	10 h 00	29	Strong coverage
July	15.7°C	5.7°C	205 mm	16	19.2°C	10 h 11	20	Strong coverage
August	16.3°C	5.9°C	192 mm	14.4	18.3°C	10 h 55	26	Strong coverage
September	17.7°C	6.9°C	137 mm	13	17.8°C	11 h 56	41	Strong coverage
October	21°C	8.7°C	64 mm	7.8	18.1°C	12 h 58	70	Strong coverage
November	24.8°C	11.2°C	49 mm	5.5	19.2°C	13 h 51	86	Strong coverage
December	28.4°C	13.2°C	20 mm	2.9	20.6°C	14 h 18	82	Strong coverage

What has changed

Coolup runs +1.5°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

+1.5

Feb

+1.5

Mar

+1.2

Apr

+1.8

May

+1.4

Jun

+1.2

Jul

+0.9

Aug

+1.3

Sep

+1.3

Oct

+1.6

Nov

+2.0

Dec

+2.1

April daytime highs, 2011–2025. Last recorded: 24.9°C.

Records at DWELLINGUP, 1957–2026
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	42.9°C31 Jan 1991	5.1°C14 Jan 1988	58 mm22 Jan 1982	102 mm2000 · driest 0 mm in 1981	69
February	43.5°C23 Feb 1991	5.0°C13 Feb 1981	111 mm10 Feb 2017	138 mm2017 · driest 0 mm in 1996	70
March	40.6°C3 Mar 1961	3.0°C24 Mar 2001	91 mm28 Mar 2026	117 mm2026 · driest 0 mm in 2011	70
April	36.7°C11 Apr 2020	0.0°C30 Apr 1960	93 mm30 Apr 1984	174 mm2023 · driest 0 mm in 2017	70
May	30.6°C9 May 2025	-3.9°C30 May 1964	107 mm2 May 2005	325 mm1984 · driest 32 mm in 2000	70
June	24.3°C5 Jun 1975	-3.0°C17 Jun 2006	89 mm13 Jun 1968	599 mm1964 · driest 45 mm in 2001	70
July	23.1°C18 Jul 1976	-3.9°C29 Jul 1962	87 mm29 Jul 1987	495 mm1964 · driest 50 mm in 2012	70
August	27.1°C28 Aug 2019	-2.2°C18 Aug 1966	104 mm4 Aug 1964	306 mm1963 · driest 29 mm in 2008	69
September	30.4°C20 Sep 2014	-2.0°C15 Sep 1999	68 mm10 Sep 1968	299 mm1971 · driest 12 mm in 1969	69
October	35.6°C26 Oct 1961	-0.8°C6 Oct 1958	87 mm1 Oct 1978	213 mm1965 · driest 3 mm in 1969	69
November	38.0°C11 Nov 2003	0.2°C2 Nov 1988	47 mm10 Nov 2020	125 mm2011 · driest 0 mm in 1999	69
December	42.0°C26 Dec 2007	3.9°C29 Dec 1957	64 mm31 Dec 1959	110 mm2011 · driest 0 mm in 2025	69

Typical days per month at DWELLINGUP, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)
January	27	18	0	<1
February	25	16	0	<1
March	22	10	0	<1
April	11	2	0	2
May	2	0	<1	5
June	0	0	<1	6
July	0	0	2	8
August	0	0	<1	7
September	<1	0	<1	5
October	6	1	0	2
November	14	5	0	2
December	23	11	0	<1

The best month has moved. On the 1961–1990 numbers the strongest month here was November (scoring 88); on 2011–2025 it is April (90). Both are scored the same way, from the same station — only the climate underneath changed.

How often, not how much — every day in DWELLINGUP’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%	28.4–32.2°C
February	91%	8%	2%	6%	28.1–32.1°C
March	88%	11%	3%	8%	25.5–29.1°C
April	66%	22%	7%	27%	20.7–24.9°C
May	31%	36%	17%	50%	17.6–20.6°C
June	6%	50%	26%	70%	15.0–17.3°C
July	2%	54%	26%	75%	14.3–16.4°C
August	7%	48%	22%	65%	14.5–17.2°C
September	19%	41%	15%	56%	16.1–19.0°C
October	46%	28%	9%	32%	18.4–22.1°C
November	72%	20%	5%	19%	21.9–26.8°C
December	89%	10%	2%	5%	25.8–30.2°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.

1957Each stripe is one year’s mean temperature against the 65-year average. Warmest: 2024. Coolest: 1960.2025

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 2073857
NOAA station: ASN00009538 · DWELLINGUP
Station distance: 18.2 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 29 usable years
Daylight: Calculated from latitude -32.73°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Sea temperature: NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 26 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 DWELLINGUP is what differs

Waroona→Dwellingup→Meelon→West Coolup→Fairbridge→Blythewood→

Or put two places side by side: Coolup vs Waroona

Best time to visitCoolup.