Australia · 1991–2020

Best time to visit
Coleraine.

March leads for comfortable weather in Coleraine: typically 24.7°C by day, 10.5°C at night, with 33 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortMarch

Typical high24.7°C

Typical low10.5°C

Rain in March33 mm

Comfort

March

March · December · February

88climate match

Beach

February

February · January · March

71climate match

Outdoors

April

April · November · March

90climate match

The weakest month is July, scoring 31 against March’s 88 — days reach only 13.6°C, 10° below the 24°C the score treats as ideal.

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

8227.1° / 12.1°

Feb

8327.5° / 12.3°

Mar

8824.7° / 10.5°

Apr

7220.5° / 8.3°

May

5216.9° / 6.8°

Jun

3714.3° / 5.6°

Jul

3113.6° / 5.1°

Aug

3414.8° / 5.4°

Sep

4516.5° / 6.4°

Oct

6219.1° / 7.1°

Nov

7822.1° / 8.8°

Dec

8524.8° / 10.3°

Monthly climate evidence for Coleraine — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	27.1°C	12.1°C	38 mm	4.8	14 h 29	82	Good coverage
February	27.5°C	12.3°C	21 mm	3.1	13 h 33	83	Good coverage
March	24.7°C	10.5°C	33 mm	5.3	12 h 26	88	Good coverage
April	20.5°C	8.3°C	43 mm	6.8	11 h 11	72	Good coverage
May	16.9°C	6.8°C	59 mm	10.3	10 h 08	52	Good coverage
June	14.3°C	5.6°C	74 mm	12.7	9 h 35	37	Good coverage
July	13.6°C	5.1°C	83 mm	14.6	9 h 48	31	Good coverage
August	14.8°C	5.4°C	85 mm	15.2	10 h 41	34	Good coverage
September	16.5°C	6.4°C	73 mm	13.2	11 h 54	45	Good coverage
October	19.1°C	7.1°C	51 mm	9.6	13 h 08	62	Good coverage
November	22.1°C	8.8°C	44 mm	6.9	14 h 13	78	Good coverage
December	24.8°C	10.3°C	40 mm	6.6	14 h 45	85	Good coverage

Records at CASTERTON SHOWGROUNDS, 1957–2011
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	44.3°C19 Jan 1959	2.6°C9 Jan 1957	114 mm20 Jan 2007	159 mm2007 · driest 3 mm in 1957	55
February	43.7°C16 Feb 1983	1.8°C7 Feb 1980	49 mm1 Feb 1960	95 mm1960 · driest 0 mm in 1991	55
March	40.4°C17 Mar 2008	1.5°C26 Mar 2005	83 mm20 Mar 2003	119 mm1999 · driest 4 mm in 1986	54
April	35.0°C9 Apr 2005	-2.4°C24 Apr 1999	59 mm6 Apr 1992	131 mm1971 · driest 5 mm in 1963	54
May	29.0°C4 May 1990	-1.8°C31 May 1997	39 mm16 May 1963	158 mm1987 · driest 8 mm in 1996	54
June	22.8°C8 Jun 2005	-4.0°C24 Jun 1972	45 mm22 Jun 1987	158 mm2003 · driest 13 mm in 1969	54
July	22.5°C30 Jul 1975	-4.6°C19 Jul 1965	34 mm1 Jul 2009	187 mm1964 · driest 23 mm in 1957	54
August	25.0°C20 Aug 1995	-3.5°C5 Aug 1997	35 mm7 Aug 1978	165 mm1970 · driest 13 mm in 1982	54
September	32.1°C30 Sep 1961	-2.0°C7 Sep 1994	53 mm28 Sep 1979	143 mm1960 · driest 28 mm in 1967	54
October	35.2°C12 Oct 2006	-1.7°C22 Oct 2006	44 mm23 Oct 1985	147 mm1975 · driest 13 mm in 1967	54
November	40.0°C30 Nov 1962	-0.8°C6 Nov 1977	74 mm29 Nov 1977	126 mm1977 · driest 10 mm in 1982	54
December	43.0°C10 Dec 1980	0.4°C1 Dec 1994	86 mm13 Dec 2008	138 mm2010 · driest 4 mm in 1972	54

Typical days per month at CASTERTON SHOWGROUNDS, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)
January	18	9	0	1
February	17	10	0	<1
March	13	6	0	<1
April	5	1	<1	1
May	<1	0	1	1
June	0	0	3	2
July	0	0	3	2
August	<1	0	2	2
September	<1	0	<1	2
October	4	<1	<1	1
November	8	3	0	1
December	12	6	0	1

How often, not how much — every day in CASTERTON SHOWGROUNDS’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	81%	14%	3%	11%	24.6–29.8°C
February	84%	11%	2%	6%	25.3–29.3°C
March	72%	18%	3%	16%	22.9–26.1°C
April	44%	25%	4%	30%	18.3–22.4°C
May	13%	35%	5%	47%	15.7–18.1°C
June	1%	41%	6%	57%	13.1–15.1°C
July	<1%	48%	7%	71%	12.5–14.4°C
August	3%	50%	7%	71%	13.5–15.9°C
September	12%	43%	7%	58%	15.1–17.6°C
October	31%	32%	5%	42%	17.2–20.5°C
November	50%	25%	4%	25%	19.8–23.4°C
December	65%	21%	3%	21%	21.8–26.6°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 54-year average. Warmest: 2007. Coolest: 1964.2010

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 2171040
NOAA station: ASN00090135 · CASTERTON SHOWGROUNDS
Station distance: 24.5 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 20 usable years
Daylight: Calculated from latitude -37.60°, mid-month, sunrise to sunset including refraction. Not a station measurement.
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 CASTERTON SHOWGROUNDS is what differs

Casterton→Merino→Sandford→Digby→Wando Vale→Nareen→

Or put two places side by side: Coleraine vs Casterton

Best time to visitColeraine.