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 July 2025.
Sample. In this monthly time series, there are a total of 1,388 records. The span of time covered by the series is from January 1910 to August 2025.
History. Here's a glimpse of some summary statistics we calculated on the whole sample: the anomaly reached its highest level of 3.17 degrees Celsius in February 2016; it reached a trough of -1.81 in December 1916; it had a mean value of 0.34.
Latest values
| Date | Value - Degrees Celsius |
|---|---|
| 2025-06-30 | 1.44 |
| 2025-07-31 | 1.44 |
| 2025-08-31 | 1.54 |
Suggestion. Our metadata often comprise references to the original sources of the data we provide. You can use these references to find more details.
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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 |