Climate Tracker
Global temperature anomaly
Monthly global land and ocean surface temperature change in degrees Celsius, relative to the 1951 to 1980 average.
1.38°C vs 1951-1980
Latest reading, September 1, 2026 · +0.37 °C vs 1951-1980 over 10 years
- Source
- NASA Goddard Institute for Space Studies
https://data.giss.nasa.gov/gistemp/tabledata_v4/GLB.Ts+dSST.csv - Licence and attribution
- US government data, free to use with citation (confirm with the publisher before publishing)
Source: NASA GISS Surface Temperature Analysis (GISTEMP v4), global land-ocean index. - Citation and notes
GISTEMP Team, 2026: GISS Surface Temperature Analysis (GISTEMP), version 4. NASA Goddard Institute for Space Studies. Dataset accessed 2026-10-09 at https://data.giss.nasa.gov/gistemp/.
Lenssen, N., G.A. Schmidt, M. Hendrickson, P. Jacobs, M. Menne, and R. Ruedy, 2024: A GISTEMPv4 observational uncertainty ensemble. J. Geophys. Res. Atmos., 129, no. 17, e2023JD040179, doi:10.1029/2023JD040179.
Values are deviations from the 1951 to 1980 average.
NASA updates the files about the 10th of each month and can revise earlier months with late reports and corrections.
- Updates
- Monthly, last copied October 9, 2026
- Download
- CSVJSONChart (SVG)
Show the most recent values▾
| Month | °C vs 1951-1980 |
|---|---|
| 2026-09 | 1.38 |
| 2026-08 | 1.42 |
| 2026-07 | 1.24 |
| 2026-06 | 1.17 |
| 2026-05 | 1.13 |
| 2026-04 | 1.16 |
| 2026-03 | 1.3 |
| 2026-02 | 1.23 |
| 2026-01 | 1.08 |
| 2025-12 | 1.05 |
| 2025-11 | 1.21 |
| 2025-10 | 1.18 |
| 2025-09 | 1.24 |
| 2025-08 | 1.17 |
| 2025-07 | 1.02 |
| 2025-06 | 1.06 |
| 2025-05 | 1.07 |
| 2025-04 | 1.24 |
| 2025-03 | 1.36 |
| 2025-02 | 1.25 |
| 2025-01 | 1.37 |
| 2024-12 | 1.26 |
| 2024-11 | 1.29 |
| 2024-10 | 1.34 |
Values are copied as the publisher released them, with no adjustment. Methodology