Temperature anomaly (C; relative to 1901-2000) - Northen hemisphere - NOAA - Monthly
This series is part of the dataset: Temperature anomalies by region (NOAA)
Download Full Dataset (.xlsx)Latest updates. In land sites located in the Northen hemisphere, the temperature anomaly relative to the 1901-2000 average was 1.54 degrees Celsius in August 2025, compared to 1.44 in the previous month.
Sample. In the monthly time series displayed in the figure, there are 1,388 data points in total. The series covers the time span going from January 1910 to August 2025.
History. Here's a peek at some descriptive statistics calculated on the full sample: the anomaly achieved a maximum of 3.17 degrees Celsius in February 2016; it reached its lowest level of -1.81 in December 1916; it averaged 0.34.
Latest values
| Date | Value - Degrees Celsius |
|---|---|
| 2025-06-30 | 1.44 |
| 2025-07-31 | 1.44 |
| 2025-08-31 | 1.54 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Temperature anomaly |
| Country | Northen hemisphere |
| Economic concept | Temperature |
| Data type | Physical measurement |
| Deflation method | Not applicable |
| Seasonally adjusted | No |
| Rescaling | None |
| Frequency | Monthly |
| Unit | Degrees Celsius |
| Source | NOAA National Centers for Environmental Information |
| Source type | Federal Administration |
| Data licence | Not copyrightable under U.S. law |
| Measure type | Anomaly relative to 1901–2000 average |
Series in the same data set
Discover the other time series included in this data set.
Land
| Series Name | Observations | Start Date | End Date |
|---|---|---|---|
| Temperature anomaly (C; relative to 1901-2000) - Globe (land) - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
| Temperature anomaly (C; relative to 1901-2000) - Northen hemisphere - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
| Temperature anomaly (C; relative to 1901-2000) - Southern hemisphere - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
| Temperature anomaly (C; relative to 1910-2000) - Africa - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
| Temperature anomaly (C; relative to 1910-2000) - Asia - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
| Temperature anomaly (C; relative to 1910-2000) - Europe - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
| Temperature anomaly (C; relative to 1910-2000) - North America - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
| Temperature anomaly (C; relative to 1910-2000) - Oceania - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
| Temperature anomaly (C; relative to 1910-2000) - South America - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
Land and Ocean
| Series Name | Observations | Start Date | End Date |
|---|---|---|---|
| Temperature anomaly (C; relative to 1910-2000) - Atlantic Main Development Region - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
| Temperature anomaly (C; relative to 1910-2000) - Caribbean Islands - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
| Temperature anomaly (C; relative to 1910-2000) - Eastern North Pacific - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
| Temperature anomaly (C; relative to 1910-2000) - Gulf of America - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
| Temperature anomaly (C; relative to 1910-2000) - Hawaiian Region - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
| Temperature anomaly (C; relative to 1910-2000) - Arctic - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |
| Temperature anomaly (C; relative to 1910-2000) - Antarctic - NOAA - Monthly | 1388 | 1910-01-31 | 2025-08-31 |