Winter temperature anomalies in Saint Helena
Saint Helena: Winter temperature anomalies was 0.2374 °C in 2025. ◆ Volatile
Winter temperature anomalies in Saint Helena, 1940–2025
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.
Analysis
In 2025, winter temperature anomalies in Saint Helena stood at 0.2374 °C.
Compared with earlier readings it is down 46.8% on the previous year and down 60.8% over ten years.
Over the whole period, winter temperature anomalies in Saint Helena peaked at 1.36 °C in 2023 and was at its lowest, -1.13 °C, in 1955.
That places Saint Helena 151st out of 193 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Winter temperature anomalies in Saint Helena, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | -0.0895 °C | — |
| 1941 | 0.3032 °C | -438.8% |
| 1942 | -0.674 °C | -322.3% |
| 1943 | -0.5651 °C | -16.2% |
| 1944 | -0.792 °C | +40.1% |
| 1945 | 0.3856 °C | -148.7% |
| 1946 | -0.1831 °C | -147.5% |
| 1947 | -0.0672 °C | -63.3% |
| 1948 | -0.1639 °C | +143.8% |
| 1949 | -0.0822 °C | -49.9% |
| 1950 | -0.9679 °C | +1077.6% |
| 1951 | -0.326 °C | -66.3% |
| 1952 | 0.0203 °C | -106.2% |
| 1953 | -0.5 °C | -2565.1% |
| 1954 | -0.8005 °C | +60.1% |
| 1955 | -1.13 °C | +40.6% |
| 1956 | -0.9511 °C | -15.5% |
| 1957 | -0.5545 °C | -41.7% |
| 1958 | -0.2214 °C | -60.1% |
| 1959 | -0.7897 °C | +256.6% |
| 1960 | -0.3063 °C | -61.2% |
| 1961 | -0.4088 °C | +33.5% |
| 1962 | -0.5867 °C | +43.5% |
| 1963 | 0.377 °C | -164.3% |
| 1964 | -0.561 °C | -248.8% |
| 1965 | -0.1076 °C | -80.8% |
| 1966 | 0.4118 °C | -482.7% |
| 1967 | -0.0849 °C | -120.6% |
| 1968 | 0.2347 °C | -376.4% |
| 1969 | -0.5054 °C | -315.4% |
| 1970 | -0.3976 °C | -21.3% |
| 1971 | -0.6069 °C | +52.6% |
| 1972 | 1.22 °C | -301.0% |
| 1973 | 0.1159 °C | -90.5% |
| 1974 | -0.0962 °C | -183.0% |
| 1975 | -0.6728 °C | +599.1% |
| 1976 | -0.1452 °C | -78.4% |
| 1977 | -0.1688 °C | +16.3% |
| 1978 | -0.401 °C | +137.5% |
| 1979 | -0.167 °C | -58.4% |
| 1980 | -0.7391 °C | +342.6% |
| 1981 | -0.3413 °C | -53.8% |
| 1982 | 0.1691 °C | -149.6% |
| 1983 | 0.2356 °C | +39.3% |
| 1984 | -0.064 °C | -127.2% |
| 1985 | 0.4368 °C | -782.8% |
| 1986 | 0.0813 °C | -81.4% |
| 1987 | 0.1426 °C | +75.4% |
| 1988 | 0.1668 °C | +16.9% |
| 1989 | -0.3215 °C | -292.8% |
| 1990 | -0.0732 °C | -77.2% |
| 1991 | -0.5184 °C | +608.6% |
| 1992 | -0.451 °C | -13.0% |
| 1993 | 0.1966 °C | -143.6% |
| 1994 | 0.0882 °C | -55.1% |
| 1995 | -0.1719 °C | -294.8% |
| 1996 | -0.8882 °C | +416.6% |
| 1997 | 0.8078 °C | -190.9% |
| 1998 | -0.9 °C | -211.4% |
| 1999 | 0.0486 °C | -105.4% |
| 2000 | -0.223 °C | -558.5% |
| 2001 | 0.3632 °C | -262.9% |
| 2002 | -0.1484 °C | -140.8% |
| 2003 | 0.4185 °C | -382.1% |
| 2004 | 0.6662 °C | +59.2% |
| 2005 | -0.3291 °C | -149.4% |
| 2006 | -0.2754 °C | -16.3% |
| 2007 | -0.2512 °C | -8.8% |
| 2008 | 0.0117 °C | -104.7% |
| 2009 | 0.9319 °C | +7838.1% |
| 2010 | 0.1866 °C | -80.0% |
| 2011 | -0.9698 °C | -619.7% |
| 2012 | -0.3558 °C | -63.3% |
| 2013 | 0.3162 °C | -188.9% |
| 2014 | 0.1779 °C | -43.8% |
| 2015 | 0.6061 °C | +240.7% |
| 2016 | 0.3817 °C | -37.0% |
| 2017 | -0.4617 °C | -221.0% |
| 2018 | 0.2776 °C | -160.1% |
| 2019 | 0.8649 °C | +211.6% |
| 2020 | -0.4 °C | -146.2% |
| 2021 | 0.1101 °C | -127.5% |
| 2022 | 0.7668 °C | +596.3% |
| 2023 | 1.36 °C | +77.4% |
| 2024 | 0.4459 °C | -67.2% |
| 2025 | 0.2374 °C | -46.8% |
Biggest year-on-year movements
Years where Winter temperature anomalies in Saint Helena 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 |
|---|---|---|---|
| 2009 | +7838.1% | 0.0117 °C | 0.9319 °C |
| 1953 | -2565.1% | 0.0203 °C | -0.5 °C |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -0.1928 °C | -0.792 °C | 0.3856 °C | 10 |
| 1950s | -0.6216 °C | -1.13 °C | 0.0203 °C | 10 |
| 1960s | -0.1537 °C | -0.5867 °C | 0.4118 °C | 10 |
| 1970s | -0.132 °C | -0.6728 °C | 1.22 °C | 10 |
| 1980s | -0.0234 °C | -0.7391 °C | 0.4368 °C | 10 |
| 1990s | -0.1861 °C | -0.9 °C | 0.8078 °C | 10 |
| 2000s | 0.1165 °C | -0.3291 °C | 0.9319 °C | 10 |
| 2010s | 0.1024 °C | -0.9698 °C | 0.8649 °C | 10 |
| 2020s | 0.4201 °C | -0.4 °C | 1.36 °C | 6 |
Countries ranked near Saint Helena
- 148 Papua New Guinea 0.257 °C compare
- 149 South Georgia and the South Sandwich Islands 0.2524 °C compare
- 150 Chile 0.2404 °C compare
- 152 Mauritius 0.2322 °C compare
- 153 Indonesia 0.223 °C compare
- 154 Saint Vincent and the Grenadines 0.2201 °C compare
More reference data data for Saint Helena
- Temperature anomalies by month 0.8 °C (2026)
- Spring temperature anomalies 0.7284 °C (2026)
- Autumn temperature anomalies 0.6213 °C (2026)
- Summer temperature anomalies -0.0099 °C (2026)
- Urban vs rural majority, annual growth rate -0.1478 % change on previous year (2025)
- Foreign aid received 53.68 million constant 2024 US$ (2024)
- Foreign aid received by income group, annual growth rate 185.85 % change on previous year (2024)
- Foreign aid received by income group 53.68 million constant 2024 US$ (2024)
- Foreign aid received from governments and private foundations 53.68 million constant 2024 US$ (2024)
- Foreign aid received, annual growth rate 185.85 % change on previous year (2024)
Frequently asked questions
- What is winter temperature anomalies in Saint Helena?
- Winter temperature anomalies in Saint Helena was 0.2374 °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 winter temperature anomalies recorded in Saint Helena?
- The highest recorded value was 1.36 °C in 2023.
- What is the lowest winter temperature anomalies recorded in Saint Helena?
- The lowest recorded value was -1.13 °C in 1955.
- How does Saint Helena rank for winter temperature anomalies?
- Saint Helena ranks 151st out of 193 countries with data for 2025.
- Is winter temperature anomalies rising or falling in Saint Helena?
- Over the last ten years it is down 60.8%. The long-run trend across the full record is volatile.
- Where does this Saint Helena 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 Winter 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.