Deviations in surface air temperature for July 2021 compared to the July average for the period 1991-2020. Data source: ERA5. Source: Copernicus Climate Change Service / ECMWF.
Copernicus Climate Change Service (C3S), conducted by the European Center for Medium-Range Weather Forecasts on behalf of the European Union, and routinely publishes monthly climate bulletins reporting on changes observed in the global report. Surface temperature, sea ice coverage and hydrologic variables. Everything reported is based on computer-generated analyzes of billions of measurements from satellites, ships, planes and weather stations around the world.
Earth’s surface temperature in July 2021:
- July 2021, with July 2020, is the third warmest month in the world, less than 0.1°C colder than July 2019 and July 2016
- This was the second warmest month of July in Europe
- Heat waves occurred from the Baltic Sea to the eastern Mediterranean
- Western North America continued to be exposed to abnormally high temperatures. Parts of the Far East were also well above average
Map and data values provided by ECMWF Copernicus Climate Change Services ERA5. Area averages for temperatures from the European region are only for Earth measurements with the following latitude/longitude limits: 25W-40E, 34N-72N.
C3S followed the recommendation of the World Meteorological Organization (WMO) to use the past 30 years to calculate climate averages and changed to the 1991-2020 reference period for C3S Climate Bulletins covering January 2021 and beyond. Figures and graphics for both the new and previous periods (1981-2010) are provided for transparency.
More information about July’s climate variables, weather updates from previous months, as well as high-resolution graphics can be downloaded here:
More information about the C3S dataset and how it is collected can be found here:
More information on changing the reference period can be found here: https://climate.copernicus.eu/new-decade-reference-period-change-climate-data
Answers to frequently asked questions about temperature monitoring can be found here: https://climate.copernicus.eu/temperature-qas
About ECMWF and Copernicus
Copernicus is part of the European Union’s Space Programme, funded by the European Union, the flagship Earth observation programme. The operation operates through six thematic services: Atmosphere, Marine, Land, Climate Change, Security and Emergencies. It provides freely available data and operational services that provide users with reliable and up-to-date information about our planet and its environment. The program is coordinated and managed by the European Commission and implemented in partnership with Member States, the European Space Agency (ESA), the European Organization for the Exploitation of Meteorological Satellites (EUMTSAT), the European Center for Medium Distance Forecasting (ECMWF), European Union agencies, Mercator Océan and more.
ECMWF operates two services of the European Union’s Copernicus Earth Observation Program: the Copernicus Atmospheric Monitoring Service (CAMS) and the Copernicus Climate Change Service (C3S). They also contribute to the Copernican Emergency Management Service (CEMS), which is implemented by the European Union Joint Research Council (JRC). The European Center for Medium-Range Weather Forecasts (ECMWF) is an independent intergovernmental organization supported by 34 countries. It is a 24/7 operational research and service institute that produces and publishes digital weather forecasts to its member states. These data are fully available to the national meteorological services of the member states. The supercomputer facility (and associated data archives) at the ECMWF is one of the largest of its kind in Europe and member states can use 25% of its capacity for their own purposes.
ECMWF is increasing the number of places in which it does business. In addition to the main office in the UK and the computing center in Italy, new offices focusing on activities implemented in partnership with the European Union, such as Copernicus, will be located in Bonn, Germany starting in the summer of 2021.
Copernicus Atmosphere Watch Service (B): http://atmosphere.copernicus.eu/
ECMWF: s webb: https://www.ecmwf.int/
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