Annual temperature anomalies in Saint Helena
Saint Helena: Annual temperature anomalies was 0.0023 in 2025. ◆ Volatile
Latest (2025)
0.0023
Change on year
down 99.6%
World rank
186th
of 193 countries
All-time high
0.6611
in 2024
All-time low
-0.9583
in 1956
Years of data
86
1940–2025
Annual temperature anomalies in Saint Helena, 1940–2025
Source: Our World in Data.
Analysis
Saint Helena recorded 0.0023 for annual temperature anomalies in 2025.
Compared with earlier readings it is down 99.6% on the previous year and down 99.1% over ten years.
Over the whole period, annual temperature anomalies in Saint Helena peaked at 0.6611 in 2024 and was at its lowest, -0.9583, in 1956.
That places Saint Helena 186th 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.
Annual temperature anomalies in Saint Helena, year by year
| Year | Value | Change |
|---|---|---|
| 1940 | 0.0013 | — |
| 1941 | -0.1289 | -10258.9% |
| 1942 | -0.5545 | +330.2% |
| 1943 | -0.8993 | +62.2% |
| 1944 | -0.1239 | -86.2% |
| 1945 | -0.2748 | +121.7% |
| 1946 | -0.5881 | +114.0% |
| 1947 | -0.3768 | -35.9% |
| 1948 | -0.2134 | -43.4% |
| 1949 | 0.0286 | -113.4% |
| 1950 | -0.417 | -1555.6% |
| 1951 | -0.4221 | +1.2% |
| 1952 | -0.2058 | -51.3% |
| 1953 | -0.2327 | +13.1% |
| 1954 | -0.6616 | +184.3% |
| 1955 | -0.8765 | +32.5% |
| 1956 | -0.9583 | +9.3% |
| 1957 | -0.3886 | -59.5% |
| 1958 | -0.6524 | +67.9% |
| 1959 | -0.3897 | -40.3% |
| 1960 | -0.4587 | +17.7% |
| 1961 | -0.2874 | -37.4% |
| 1962 | -0.3137 | +9.2% |
| 1963 | 0.0023 | -100.7% |
| 1964 | -0.3656 | -15848.8% |
| 1965 | -0.1185 | -67.6% |
| 1966 | -0.1892 | +59.7% |
| 1967 | -0.4609 | +143.7% |
| 1968 | -0.2818 | -38.9% |
| 1969 | -0.2173 | -22.9% |
| 1970 | -0.4886 | +124.9% |
| 1971 | -0.5596 | +14.5% |
| 1972 | 0.1707 | -130.5% |
| 1973 | 0.3778 | +121.3% |
| 1974 | -0.0059 | -101.6% |
| 1975 | -0.4297 | +7195.1% |
| 1976 | -0.4355 | +1.4% |
| 1977 | -0.3028 | -30.5% |
| 1978 | -0.4552 | +50.3% |
| 1979 | -0.1835 | -59.7% |
| 1980 | -0.2159 | +17.6% |
| 1981 | -0.4337 | +100.9% |
| 1982 | -0.4843 | +11.7% |
| 1983 | -0.0246 | -94.9% |
| 1984 | 0.203 | -925.7% |
| 1985 | -0.0133 | -106.6% |
| 1986 | 0.205 | -1639.7% |
| 1987 | 0.2062 | +0.6% |
| 1988 | 0.1466 | -28.9% |
| 1989 | 0.0007 | -99.5% |
| 1990 | -0.0424 | -6118.6% |
| 1991 | -0.1468 | +246.3% |
| 1992 | -0.6789 | +362.5% |
| 1993 | 0.0869 | -112.8% |
| 1994 | -0.152 | -274.8% |
| 1995 | 0.0258 | -117.0% |
| 1996 | 0.0395 | +53.0% |
| 1997 | -0.2922 | -839.4% |
| 1998 | -0.1765 | -39.6% |
| 1999 | 0.0604 | -134.2% |
| 2000 | 0.0023 | -96.2% |
| 2001 | -0.003 | -229.2% |
| 2002 | -0.16 | +5254.8% |
| 2003 | 0.3049 | -290.5% |
| 2004 | -0.333 | -209.2% |
| 2005 | 0.0587 | -117.6% |
| 2006 | -0.1666 | -383.8% |
| 2007 | -0.226 | +35.6% |
| 2008 | 0.0984 | -143.5% |
| 2009 | 0.3024 | +207.4% |
| 2010 | 0.3117 | +3.1% |
| 2011 | -0.1412 | -145.3% |
| 2012 | -0.435 | +208.0% |
| 2013 | -0.1049 | -75.9% |
| 2014 | 0.1316 | -225.5% |
| 2015 | 0.2705 | +105.6% |
| 2016 | 0.3924 | +45.1% |
| 2017 | 0.1381 | -64.8% |
| 2018 | -0.0157 | -111.4% |
| 2019 | 0.5632 | -3688.9% |
| 2020 | 0.2448 | -56.5% |
| 2021 | 0.2863 | +16.9% |
| 2022 | 0.3016 | +5.3% |
| 2023 | 0.2584 | -14.3% |
| 2024 | 0.6611 | +155.9% |
| 2025 | 0.0023 | -99.6% |
Biggest year-on-year movements
Years where Annual 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 |
|---|---|---|---|
| 1964 | -15848.8% | 0.0023 | -0.3656 |
| 1941 | -10258.9% | 0.0013 | -0.1289 |
| 1975 | -7195.1% | -0.0059 | -0.4297 |
| 1990 | -6118.6% | 0.0007 | -0.0424 |
| 2002 | -5254.8% | -0.003 | -0.16 |
| 2019 | +3688.9% | -0.0157 | 0.5632 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -0.313 | -0.8993 | 0.0286 | 10 |
| 1950s | -0.5205 | -0.9583 | -0.2058 | 10 |
| 1960s | -0.2691 | -0.4609 | 0.0023 | 10 |
| 1970s | -0.2312 | -0.5596 | 0.3778 | 10 |
| 1980s | -0.041 | -0.4843 | 0.2062 | 10 |
| 1990s | -0.1276 | -0.6789 | 0.0869 | 10 |
| 2000s | -0.0122 | -0.333 | 0.3049 | 10 |
| 2010s | 0.1111 | -0.435 | 0.5632 | 10 |
| 2020s | 0.2924 | 0.0023 | 0.6611 | 6 |
Countries ranked near Saint Helena
More reference data data for Saint Helena
- Spring temperature anomalies 0.7284 (2026)
- Country level monthly temperature anomalies 0.8 (2026)
- Summer temperature anomalies -0.0099 (2026)
- Autumn temperature anomalies 0.6213 (2026)
- Urban vs rural majority, annual growth rate -0.1478 % change on previous year (2025)
- Winter temperature anomalies 0.2374 (2025)
- Foreign aid received by income group, annual growth rate 185.85 % change on previous year (2024)
- Contributions global temp change, annual growth rate 0.4818 % change on previous year (2024)
- Foreign aid received by income group 53.68 million (2024)
- Government vs private aid by recipient 53.68 million (2024)
Frequently asked questions
- What is annual temperature anomalies in Saint Helena?
- Annual temperature anomalies in Saint Helena was 0.0023 in 2025, according to Our World in Data.
- What is the highest annual temperature anomalies recorded in Saint Helena?
- The highest recorded value was 0.6611 in 2024.
- What is the lowest annual temperature anomalies recorded in Saint Helena?
- The lowest recorded value was -0.9583 in 1956.
- How does Saint Helena rank for annual temperature anomalies?
- Saint Helena ranks 186th out of 193 countries with data for 2025.
- Is annual temperature anomalies rising or falling in Saint Helena?
- Over the last ten years it is down 99.1%. The long-run trend across the full record is volatile.
- Where does this Saint Helena data come from?
- The figures come from Our World in Data, published as part of Annual 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).