Sydney Threshold Days by Year

15 fixed thresholds counted per year at Sydney (CA008205698): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sydney Thresholds

Sydney: days with a maximum temperature at or below 0 C (32 F) in 68 years, most in 1875 with 90.
Sydney: nights with a minimum temperature at or below 0 C (32 F) in 68 years, most in 1907 with 193.
Sydney: nights with a minimum temperature at or below -10 C (14 F) in 68 years, most in 1875 with 81.
Sydney: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1910 with 64.
15 fixed thresholds have at least one qualifying day at Sydney.

Days at or above 30 C (86 F)

42 years with a qualifying day

Days per year at Sydney with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 15 in 1937.

Days at or above 30 C (86 F) per year at Sydney
Year	Days	Decade average
1872	1	2.3
1874	1	2.3
1876	5	2.3
1878	2	2.3
1880	1	1.3
1883	1	1.3
1887	1	1.3
1889	2	1.3
1892	3	2.6
1894	2	2.6
1895	2	2.6
1897	5	2.6
1898	1	2.6
1901	3	2.7
1904	2	2.7
1905	4	2.7
1906	2	2.7
1908	2	2.7
1909	3	2.7
1910	1	2.7
1911	3	2.7
1912	5	2.7
1914	2	2.7
1916	3	2.7
1917	2	2.7
1918	3	2.7
1920	3	3
1921	6	3
1924	2	3
1925	1	3
1928	4	3
1929	2	3
1930	5	4.4
1931	2	4.4
1932	2	4.4
1933	1	4.4
1934	1	4.4
1935	8	4.4
1937	15	4.4
1938	2	4.4
1939	4	4.4
1940	1	1

For each year, a bar from the first to the last day at Sydney meeting 30 C (86 F).

First to last qualifying date each year at Sydney
Year	First date	Last date
1872	1872-08-10	1872-08-10
1874	1874-07-16	1874-07-16
1876	1876-08-07	1876-08-14
1878	1878-06-30	1878-07-10
1880	1880-08-02	1880-08-02
1883	1883-07-07	1883-07-07
1887	1887-08-01	1887-08-01
1889	1889-07-02	1889-09-04
1892	1892-07-12	1892-07-15
1894	1894-06-27	1894-07-29
1895	1895-06-18	1895-06-19
1897	1897-07-07	1897-07-22
1898	1898-07-30	1898-07-30
1901	1901-07-14	1901-09-07
1904	1904-06-21	1904-07-27
1905	1905-07-07	1905-08-12
1906	1906-08-20	1906-08-21
1908	1908-07-01	1908-07-02
1909	1909-07-27	1909-08-05
1910	1910-07-10	1910-07-10
1911	1911-07-04	1911-08-05
1912	1912-06-04	1912-07-11
1914	1914-09-22	1914-09-23
1916	1916-07-21	1916-08-26
1917	1917-07-26	1917-08-04
1918	1918-07-23	1918-08-24
1920	1920-07-11	1920-08-09
1921	1921-07-12	1921-07-27
1924	1924-07-05	1924-07-09
1925	1925-08-17	1925-08-17
1928	1928-08-15	1928-08-18
1929	1929-07-18	1929-07-30
1930	1930-06-11	1930-09-01
1931	1931-07-10	1931-07-27
1932	1932-05-17	1932-06-19
1933	1933-08-23	1933-08-23
1934	1934-09-06	1934-09-06
1935	1935-07-13	1935-08-22
1937	1937-06-01	1937-09-04
1938	1938-06-22	1938-08-01
1939	1939-07-08	1939-08-24
1940	1940-08-19	1940-08-19

Every Fixed Threshold

Fixed thresholds at Sydney
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	42	15	1937	1
35 C (95 F): Days	1	2	1935	2
90 F (32.2 C): Days	12	6	1937	1
0 C (32 F): Ice days (max	68	90	1875	63
0 C (32 F): Frost days (min	68	193	1907	168
-10 C (14 F): Days with min	68	81	1875	41
-20 C (-4 F): Days with min	60	26	1875	7
-30 C (-22 F): Days with min	8	4	1875	1
20 C (68 F): Tropical nights (min	11	6	1937	2
10 mm (0.39 in): Days with 10 mm or more rain	68	64	1910	34
25 mm (0.98 in): Days with 25 mm or more rain	68	23	1870	15
50 mm (1.97 in): Days with 50 mm or more rain	46	5	1935	5
10 cm (3.9 in): Days with 10 cm or more snowfall	68	15	1875	3
25 cm (9.8 in): Days with 25 cm or more snowfall	37	4	1914	2
50 cm (19.7 in): Days with 50 cm or more snowfall	5	2	1935	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1872.

Download the Data

Data for Sydney threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Sydney Threshold Days by Year

Key Facts for Sydney Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related