Temperature anomaly (K; relative to 1971-2000) - Ocean: latitudes between 20N and 90N - NOAA - Monthly
This series is part of the dataset: Temperature anomalies by latitude (NOAA)
Download Full Dataset (.xlsx)Latest updates. In oceanic locations at latitudes between 20 degrees North and 90 degrees North, the temperature anomaly relative to the 1971-2000 average was 1.01 degrees Kelvin in December 2025, versus 1.12 in November.
Sample. There are 2,112 observations in the monthly series presented in the graph above. The series covers the time period going from January 1850 to December 2025.
History. Take a look at a few statistics we calculated on the entire sample: the anomaly averaged -0.04 degrees Kelvin; it hit a trough of -0.89 in September 1912; it reached its maximum of 1.40 in September 2023.
Latest values
| Date | Value - Degrees Kelvin |
|---|---|
| 2025-10-31 | 1.266823 |
| 2025-11-30 | 1.118547 |
| 2025-12-31 | 1.01202 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Temperature anomaly |
| Country | World |
| Economic concept | Temperature |
| Data type | Physical measurement |
| Deflation method | Not applicable |
| Seasonally adjusted | No |
| Rescaling | None |
| Frequency | Monthly |
| Unit | Degrees Kelvin |
| Source | NOAA National Centers for Environmental Information |
| Source type | Federal Administration |
| Data licence | Some use and access constraints |
| Measure type | Anomaly relative to 1971–2000 climatology |
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