Sydney · Australia

Sydney in January: every year compared

In January, Sydney averages highs of 28.1 °C and lows of 18.7 °C, with 65 mm of precipitation. The warmest January was 1946 (25.6 °C), the coldest 1965 (19.9 °C).

Avg. highAvg. high 28.1 °C

Avg. lowAvg. low 18.7 °C

PrecipitationPrecipitation 65 mm

Rainy daysRainy days 9

Day by day through January

Normal high and low for each day of January in Sydney.

Normal high and low, day by dayNormal 1991–2020

Every January in Sydney, ranked

86 months of January since 1940. The last one, 2025, ranks 38 of 86 (−0.4 °C vs normal).

194019832025

2025 · 22.7 °C · −0.4 °C vs normal · rank 38 of 86

Warmest years

1194625.6 °C
2201925.5 °C
3201725.2 °C
4199124.6 °C
5202024.4 °C

Coldest years

1196519.9 °C
2194820.0 °C
3197220.5 °C
4195320.6 °C
5195120.6 °C

All 86 years in a table

Year	Mean temperature	Daytime highs	Night lows	Precipitation	Hot days (30 °C+)	Rainy days
2025	22.7 °C	27.5 °C	18.7 °C	121 mm	10 days	15 days
2024	23.7 °C	28.1 °C	19.8 °C	88 mm	7 days	15 days
2023	22.0 °C	26.5 °C	18.0 °C	87 mm	6 days	14 days
2022	23.2 °C	26.9 °C	19.8 °C	97 mm	3 days	17 days
2021	22.5 °C	27.4 °C	17.8 °C	61 mm	8 days	10 days
2020	24.4 °C	29.3 °C	20.4 °C	60 mm	13 days	10 days
2019	25.5 °C	31.3 °C	21.2 °C	25 mm	20 days	9 days
2018	24.0 °C	30.1 °C	18.7 °C	15 mm	17 days	5 days
2017	25.2 °C	31.1 °C	20.2 °C	34 mm	16 days	9 days
2016	22.5 °C	27.2 °C	18.3 °C	199 mm	6 days	15 days
2015	23.3 °C	27.7 °C	19.3 °C	107 mm	10 days	14 days
2014	22.7 °C	28.0 °C	18.0 °C	15 mm	11 days	5 days
2013	23.7 °C	29.1 °C	19.2 °C	169 mm	13 days	8 days
2012	21.9 °C	26.1 °C	17.7 °C	83 mm	2 days	11 days
2011	23.6 °C	28.1 °C	19.7 °C	36 mm	8 days	9 days
2010	23.7 °C	28.5 °C	19.4 °C	36 mm	9 days	10 days
2009	23.6 °C	30.0 °C	17.8 °C	8 mm	15 days	3 days
2008	22.6 °C	26.7 °C	19.0 °C	68 mm	5 days	10 days
2007	23.1 °C	28.3 °C	18.3 °C	16 mm	9 days	7 days
2006	23.3 °C	27.4 °C	19.9 °C	73 mm	10 days	12 days
2005	22.8 °C	27.8 °C	18.4 °C	79 mm	7 days	10 days
2004	23.4 °C	28.9 °C	18.5 °C	70 mm	10 days	8 days
2003	23.1 °C	28.7 °C	18.2 °C	17 mm	10 days	5 days
2002	22.8 °C	28.0 °C	18.1 °C	23 mm	7 days	5 days
2001	23.8 °C	29.5 °C	19.1 °C	63 mm	13 days	5 days
2000	20.9 °C	25.5 °C	16.6 °C	63 mm	5 days	11 days
1999	23.3 °C	27.9 °C	19.3 °C	96 mm	10 days	10 days
1998	23.3 °C	28.5 °C	19.1 °C	75 mm	8 days	9 days
1997	20.8 °C	25.0 °C	16.4 °C	126 mm	3 days	8 days
1996	22.0 °C	26.0 °C	18.6 °C	84 mm	4 days	15 days
1995	21.5 °C	25.5 °C	17.7 °C	100 mm	2 days	14 days
1994	24.1 °C	30.0 °C	18.5 °C	19 mm	10 days	4 days
1993	23.1 °C	28.1 °C	18.8 °C	72 mm	9 days	11 days
1992	21.3 °C	25.8 °C	17.2 °C	60 mm	3 days	9 days
1991	24.6 °C	30.1 °C	20.0 °C	70 mm	15 days	13 days
1990	21.9 °C	26.9 °C	17.8 °C	50 mm	6 days	11 days
1989	20.8 °C	24.5 °C	17.3 °C	135 mm	1 day	17 days
1988	22.7 °C	27.9 °C	18.6 °C	44 mm	8 days	8 days
1987	22.8 °C	28.0 °C	19.0 °C	72 mm	7 days	9 days
1986	21.7 °C	27.1 °C	17.3 °C	91 mm	7 days	11 days
1985	22.4 °C	28.6 °C	17.2 °C	10 mm	12 days	3 days
1984	21.5 °C	25.9 °C	18.0 °C	200 mm	6 days	15 days
1983	23.4 °C	29.0 °C	19.4 °C	24 mm	10 days	4 days
1982	23.0 °C	27.9 °C	19.2 °C	88 mm	9 days	8 days
1981	23.7 °C	28.8 °C	20.1 °C	24 mm	11 days	6 days
1980	22.6 °C	27.9 °C	18.7 °C	90 mm	9 days	9 days
1979	23.7 °C	29.3 °C	19.2 °C	20 mm	11 days	6 days
1978	22.6 °C	27.3 °C	19.0 °C	198 mm	8 days	18 days
1977	22.9 °C	28.2 °C	18.7 °C	36 mm	9 days	14 days
1976	20.7 °C	24.5 °C	17.4 °C	161 mm	0 days	12 days
1975	22.3 °C	28.1 °C	17.8 °C	22 mm	10 days	8 days
1974	22.2 °C	25.2 °C	19.5 °C	103 mm	2 days	14 days
1973	23.3 °C	28.8 °C	19.0 °C	44 mm	12 days	6 days
1972	20.5 °C	24.7 °C	16.9 °C	196 mm	2 days	16 days
1971	21.8 °C	26.2 °C	17.9 °C	128 mm	4 days	15 days
1970	21.6 °C	26.2 °C	17.7 °C	100 mm	4 days	17 days
1969	23.7 °C	29.0 °C	19.2 °C	12 mm	12 days	4 days
1968	22.0 °C	26.1 °C	18.5 °C	109 mm	8 days	11 days
1967	22.6 °C	27.5 °C	18.3 °C	100 mm	11 days	9 days
1966	22.0 °C	27.4 °C	17.8 °C	11 mm	7 days	3 days
1965	19.9 °C	24.3 °C	16.1 °C	14 mm	2 days	5 days
1964	22.8 °C	28.1 °C	18.0 °C	23 mm	8 days	7 days
1963	21.7 °C	25.8 °C	18.2 °C	164 mm	5 days	15 days
1962	21.3 °C	24.9 °C	18.1 °C	94 mm	0 days	16 days
1961	21.6 °C	26.1 °C	17.4 °C	50 mm	7 days	11 days
1960	24.1 °C	29.7 °C	19.3 °C	68 mm	13 days	9 days
1959	22.1 °C	26.2 °C	18.7 °C	134 mm	7 days	11 days
1958	21.4 °C	26.3 °C	17.5 °C	67 mm	5 days	8 days
1957	21.7 °C	26.6 °C	17.2 °C	22 mm	6 days	9 days
1956	22.0 °C	26.7 °C	17.9 °C	80 mm	7 days	7 days
1955	23.2 °C	27.8 °C	19.3 °C	43 mm	9 days	8 days
1954	21.5 °C	25.3 °C	18.0 °C	64 mm	0 days	10 days
1953	20.6 °C	25.2 °C	16.5 °C	77 mm	3 days	14 days
1952	23.8 °C	30.1 °C	18.6 °C	15 mm	13 days	5 days
1951	20.6 °C	24.3 °C	17.2 °C	98 mm	1 day	18 days
1950	21.5 °C	26.5 °C	17.2 °C	163 mm	8 days	6 days
1949	20.6 °C	24.8 °C	16.9 °C	60 mm	3 days	12 days
1948	20.0 °C	24.2 °C	16.5 °C	41 mm	3 days	7 days
1947	21.1 °C	25.0 °C	17.6 °C	79 mm	1 day	15 days
1946	25.6 °C	32.4 °C	20.4 °C	18 mm	20 days	5 days
1945	21.1 °C	25.7 °C	17.6 °C	198 mm	5 days	15 days
1944	22.5 °C	27.8 °C	18.3 °C	36 mm	8 days	8 days
1943	22.2 °C	28.3 °C	17.2 °C	16 mm	12 days	8 days
1942	22.5 °C	27.1 °C	18.7 °C	152 mm	7 days	12 days
1941	21.9 °C	26.3 °C	18.3 °C	59 mm	4 days	11 days
1940	23.1 °C	28.3 °C	18.9 °C	44 mm	11 days	11 days

January records

Hottest day

45.3 °C

January 4, 2020 estimate

Nearby station: 46.4 °C on January 18, 2013 measured

Coldest night

10.9 °C

January 2, 1997 estimate

Nearby station: 9.7 °C on January 18, 1949 measured

Wettest day

128 mm

January 19, 1950 estimate

The weather on your birthday in Sydney

Any day since 1940: high, low, rain, snow, and how warm it was compared with the same date in every other year.

Questions & answers

How warm is Sydney in January?

Highs average 28.1 °C and lows 18.7 °C. A typical January brings 9 hot days (30 °C or more) and 0 frost days.

Does it rain a lot in Sydney in January?

About 65 mm falls in January, over some 9 days with at least 1 mm. The wettest January was 1984 (200 mm), the driest 2009 (8 mm).

What was the warmest January in Sydney?

1946, with a mean temperature of 25.6 °C. The coldest was 1965 (19.9 °C). The last one, 2025, ranks 38 of 86.