Autumn temperature anomalies in Hong Kong
Hong Kong: Autumn temperature anomalies was 0.7318 °C in 2025. ◆ Volatile
Autumn temperature anomalies in Hong Kong, 1940–2025
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.
Analysis
The most recent figure for autumn temperature anomalies in Hong Kong is 0.7318 °C, measured in 2025.
That represents a change of down 17.8% on the previous year and up 138.4% over ten years.
Over the whole period, autumn temperature anomalies in Hong Kong peaked at 1.22 °C in 2021 and was at its lowest, -2.15 °C, in 1941.
Hong Kong ranks 81st of 193 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Autumn temperature anomalies in Hong Kong, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | -0.8935 °C | — |
| 1941 | -2.15 °C | +141.1% |
| 1942 | -1.8 °C | -16.3% |
| 1943 | -1.66 °C | -8.0% |
| 1944 | -0.9984 °C | -39.8% |
| 1945 | -0.7939 °C | -20.5% |
| 1946 | -0.9897 °C | +24.7% |
| 1947 | -1.61 °C | +62.8% |
| 1948 | -1.81 °C | +12.6% |
| 1949 | -1.38 °C | -23.8% |
| 1950 | -0.9709 °C | -29.7% |
| 1951 | -1.03 °C | +6.5% |
| 1952 | -1.36 °C | +31.2% |
| 1953 | -1.4 °C | +3.1% |
| 1954 | -1.22 °C | -12.8% |
| 1955 | -0.5937 °C | -51.3% |
| 1956 | -0.0155 °C | -97.4% |
| 1957 | -0.865 °C | +5476.9% |
| 1958 | -0.6042 °C | -30.1% |
| 1959 | -0.8152 °C | +34.9% |
| 1960 | -0.6718 °C | -17.6% |
| 1961 | -0.7984 °C | +18.8% |
| 1962 | -0.2886 °C | -63.8% |
| 1963 | 0.1563 °C | -154.2% |
| 1964 | -0.6253 °C | -500.1% |
| 1965 | -1.82 °C | +190.4% |
| 1966 | -1.25 °C | -31.1% |
| 1967 | -1.08 °C | -13.3% |
| 1968 | -0.7492 °C | -30.9% |
| 1969 | 0.5486 °C | -173.2% |
| 1970 | -0.8435 °C | -253.8% |
| 1971 | -0.5758 °C | -31.7% |
| 1972 | -0.6424 °C | +11.6% |
| 1973 | -0.7744 °C | +20.5% |
| 1974 | -0.519 °C | -33.0% |
| 1975 | -0.4047 °C | -22.0% |
| 1976 | -1.17 °C | +188.7% |
| 1977 | -0.5629 °C | -51.8% |
| 1978 | -0.4499 °C | -20.1% |
| 1979 | -1.25 °C | +178.6% |
| 1980 | -0.7964 °C | -36.5% |
| 1981 | -0.5909 °C | -25.8% |
| 1982 | -0.3452 °C | -41.6% |
| 1983 | 0.0504 °C | -114.6% |
| 1984 | -0.8813 °C | -1849.5% |
| 1985 | -1.46 °C | +65.4% |
| 1986 | -0.4576 °C | -68.6% |
| 1987 | -0.7369 °C | +61.0% |
| 1988 | -0.4295 °C | -41.7% |
| 1989 | -0.0555 °C | -87.1% |
| 1990 | -0.1658 °C | +199.0% |
| 1991 | 0.2415 °C | -245.6% |
| 1992 | 0.4885 °C | +102.3% |
| 1993 | -0.3564 °C | -173.0% |
| 1994 | -0.8073 °C | +126.5% |
| 1995 | -0.236 °C | -70.8% |
| 1996 | -0.3825 °C | +62.1% |
| 1997 | -1.44 °C | +276.3% |
| 1998 | -0.1579 °C | -89.0% |
| 1999 | -0.2209 °C | +39.9% |
| 2000 | -0.3962 °C | +79.4% |
| 2001 | 0.3896 °C | -198.3% |
| 2002 | -0.8168 °C | -309.6% |
| 2003 | -0.1272 °C | -84.4% |
| 2004 | -0.0794 °C | -37.6% |
| 2005 | 0.3728 °C | -569.7% |
| 2006 | -0.9606 °C | -357.7% |
| 2007 | 0.1457 °C | -115.2% |
| 2008 | 0.7323 °C | +402.8% |
| 2009 | 0.8609 °C | +17.6% |
| 2010 | 0.2691 °C | -68.7% |
| 2011 | 0.0185 °C | -93.1% |
| 2012 | -0.168 °C | -1007.8% |
| 2013 | -0.2107 °C | +25.4% |
| 2014 | 0.7839 °C | -472.1% |
| 2015 | 0.307 °C | -60.8% |
| 2016 | 0.0947 °C | -69.1% |
| 2017 | 1.05 °C | +1009.7% |
| 2018 | -0.0431 °C | -104.1% |
| 2019 | 0.5312 °C | -1332.2% |
| 2020 | 0.1154 °C | -78.3% |
| 2021 | 1.22 °C | +953.1% |
| 2022 | 1.11 °C | -8.3% |
| 2023 | 0.3914 °C | -64.9% |
| 2024 | 0.8898 °C | +127.3% |
| 2025 | 0.7318 °C | -17.8% |
Hong Kong compared with similar countries
- Hong Kong's 0.7318 °C is above the median for high income countries, which is 0.653 °C, 1.1× the median. (65 countries reporting)
- Hong Kong's 0.7318 °C is above the median for East Asia & Pacific, which is 0.512 °C, 1.4× the median. (27 countries reporting)
Biggest year-on-year movements
Years where Autumn temperature anomalies in Hong Kong changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1957 | -5476.9% | -0.0155 °C | -0.865 °C |
| 1984 | -1849.5% | 0.0504 °C | -0.8813 °C |
| 2019 | +1332.2% | -0.0431 °C | 0.5312 °C |
| 2012 | -1007.8% | 0.0185 °C | -0.168 °C |
| 2017 | +1009.7% | 0.0947 °C | 1.05 °C |
| 2021 | +953.1% | 0.1154 °C | 1.22 °C |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -1.41 °C | -2.15 °C | -0.7939 °C | 10 |
| 1950s | -0.8876 °C | -1.4 °C | -0.0155 °C | 10 |
| 1960s | -0.6579 °C | -1.82 °C | 0.5486 °C | 10 |
| 1970s | -0.7194 °C | -1.25 °C | -0.4047 °C | 10 |
| 1980s | -0.57 °C | -1.46 °C | 0.0504 °C | 10 |
| 1990s | -0.3036 °C | -1.44 °C | 0.4885 °C | 10 |
| 2000s | 0.0121 °C | -0.9606 °C | 0.8609 °C | 10 |
| 2010s | 0.2634 °C | -0.2107 °C | 1.05 °C | 10 |
| 2020s | 0.743 °C | 0.1154 °C | 1.22 °C | 6 |
Countries ranked near Hong Kong
More climate change data for Hong Kong
- Spring temperature anomalies 1.42 °C (2026)
- Summer temperature anomalies 0.441 °C (2026)
- Temperature anomalies by month 0.2868 °C (2026)
- Share of global CO₂ emissions and population 0.0% (2100)
- Population, total, annual growth rate -0.3349 % change on previous year (2025)
- Population, total, per unit of GDP 0 units per US$ of GDP (2025)
- Urban population, annual growth rate -0.3349 % change on previous year (2025)
- Urban population, per unit of GDP 0 units per US$ of GDP (2025)
- Urban population, per capita 1 units per person (2025)
- Precipitation anomalies, annual growth rate -76.56 % change on previous year (2025)
Frequently asked questions
- What is autumn temperature anomalies in Hong Kong?
- Autumn temperature anomalies in Hong Kong was 0.7318 °C in 2025, according to Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data.
- What is the highest autumn temperature anomalies recorded in Hong Kong?
- The highest recorded value was 1.22 °C in 2021.
- What is the lowest autumn temperature anomalies recorded in Hong Kong?
- The lowest recorded value was -2.15 °C in 1941.
- How does Hong Kong rank for autumn temperature anomalies?
- Hong Kong ranks 81st out of 193 countries with data for 2025.
- Is autumn temperature anomalies rising or falling in Hong Kong?
- Over the last ten years it is up 138.4%. The long-run trend across the full record is volatile.
- Where does this Hong Kong data come from?
- The figures come from Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data, published as part of Autumn temperature anomalies. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 86 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Difference in a specific month's average surface temperature from the mean temperature of the same month during the period 1991-2020, measured in degrees Celsius.