Average annual surface temperature in Saint Helena
Saint Helena: Average annual surface temperature was 21.37 °C in 2025. ▬ Flat
Average annual surface temperature 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
Saint Helena recorded 21.37 °C for average annual surface temperature in 2025.
Compared with earlier readings it is down 3.0% on the previous year and down 1.2% over ten years.
Over the whole period, average annual surface temperature in Saint Helena peaked at 22.03 °C in 2024 and was at its lowest, 20.41 °C, in 1956.
That places Saint Helena 108th out of 193 countries with data for 2025, putting it in the middle of the range.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 21.05 °C | 20.47 °C | 21.39 °C | 10 |
| 1950s | 20.84 °C | 20.41 °C | 21.16 °C | 10 |
| 1960s | 21.1 °C | 20.9 °C | 21.37 °C | 10 |
| 1970s | 21.13 °C | 20.81 °C | 21.74 °C | 10 |
| 1980s | 21.32 °C | 20.88 °C | 21.57 °C | 10 |
| 1990s | 21.24 °C | 20.69 °C | 21.45 °C | 10 |
| 2000s | 21.35 °C | 21.03 °C | 21.67 °C | 10 |
| 2010s | 21.48 °C | 20.93 °C | 21.93 °C | 10 |
| 2020s | 21.66 °C | 21.37 °C | 22.03 °C | 6 |
Countries ranked near Saint Helena
More reference data data for Saint Helena
- Summer temperature anomalies -0.0099 °C (2026)
- Spring temperature anomalies 0.7284 °C (2026)
- Temperature anomalies by month 0.8 °C (2026)
- Autumn temperature anomalies 0.2222 °C (2025)
- Winter temperature anomalies 0.2374 °C (2025)
- Foreign aid received by income group 53.68 million constant 2024 US$ (2024)
- Foreign aid received 53.68 million constant 2024 US$ (2024)
- Foreign aid received as grants and concessional loans 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 per capita 10,202 constant 2024 US$ (2024)
Frequently asked questions
- What is average annual surface temperature in Saint Helena?
- Average annual surface temperature in Saint Helena was 21.37 °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 average annual surface temperature recorded in Saint Helena?
- The highest recorded value was 22.03 °C in 2024.
- What is the lowest average annual surface temperature recorded in Saint Helena?
- The lowest recorded value was 20.41 °C in 1956.
- How does Saint Helena rank for average annual surface temperature?
- Saint Helena ranks 108th out of 193 countries with data for 2025.
- Is average annual surface temperature rising or falling in Saint Helena?
- Over the last ten years it is down 1.2%. The long-run trend across the full record is flat.
- 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 Average annual surface temperature. 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
The temperature of the air measured 2 meters above the ground, encompassing land, sea, and in-land water surfaces.