ERA5 Monthly aggregates - Latest climate reanalysis produced by ECMWF / Copernicus Climate Change Service

Dataset Availability
1979-01-01T00:00:00 - 2020-06-01T00:00:00
Dataset Provider
Earth Engine Snippet
wind temperature dewpoint surface pressure precipitation climate ecmwf copernicus era5 reanalysis


ERA5 is the fifth generation ECMWF atmospheric reanalysis of the global climate. Reanalysis combines model data with observations from across the world into a globally complete and consistent dataset. ERA5 replaces its predecessor, the ERA-Interim reanalysis.

ERA5 MONTHLY provides aggregated values for each month for seven ERA5 climate reanalysis parameters: 2m air temperature, 2m dewpoint temperature, total precipitation, mean sea level pressure, surface pressure, 10m u-component of wind and 10m v-component of wind. Additionally, monthly minimum and maximum air temperature at 2m has been calculated based on the hourly 2m air temperature data. Monthly total precipitation values are given as monthly sums. All other parameters are provided as monthly averages.

ERA5 data is available from 1979 to three months from real-time. More information and more ERA5 atmospheric parameters can be found at the Copernicus Climate Data Store.

Provider's Note: Monthly aggregates have been calculated based on the ERA5 hourly values of each parameter.


0.25 arc degrees


Name Units Min Max Description
mean_2m_air_temperature K 224* 304*

Average air temperature at 2m height (monthly average)

minimum_2m_air_temperature K 213.1* 298.9*

Minimum air temperature at 2m height (monthly minimum)

maximum_2m_air_temperature K 233.8* 314.3*

Maximum air temperature at 2m height (monthly maximum)

dewpoint_2m_temperature K 219.8* 297.6*

Dewpoint temperature at 2m height (monthly average)

total_precipitation m 0* 0.4*

Total precipitation (monthly sums)

surface_pressure Pa 65256.9* 102427*

Surface pressure (monthly average)

mean_sea_level_pressure Pa 98206.4* 102943*

Mean sea level pressure (monthly average)

u_component_of_wind_10m m s-1 -8.7* 8.7*

10m u-component of wind (monthly average)

v_component_of_wind_10m m s-1 -6.8* 6.8*

10m v-component of wind (monthly average)

* estimated min or max value

Image Properties

Image Properties

Name Type Description
month INT

Month of the data

year INT

Year of the data

Terms of Use

Terms of Use

Please acknowledge the use of ERA5 as stated in the Copernicus C3S/CAMS License agreement:

  • 5.1.2 Where the Licensee communicates or distributes Copernicus Products to the public, the Licensee shall inform the recipients of the source by using the following or any similar notice: "Generated using Copernicus Climate Change Service information (Year)".
  • 5.1.3 Where the Licensee makes or contributes to a publication or distribution containing adapted or modified Copernicus Products, the Licensee shall provide the following or any similar notice: "Contains modified Copernicus Climate Change Service information (Year)".
  • 5.1.3 Any such publication or distribution covered by clauses 5.1.1 and 5.1.2 shall state that neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or Data it contains.


  • Copernicus Climate Change Service (C3S) (2017): ERA5: Fifth generation of ECMWF atmospheric reanalyses of the global climate. Copernicus Climate Change Service Climate Data Store (CDS), (date of access),!/home

Explore in Earth Engine

var dataset = ee.ImageCollection("ECMWF/ERA5/MONTHLY");

var visualization = {
  bands: ['mean_2m_air_temperature'],
  min: 250.0,
  max: 320.0,
  palette: [

Map.setCenter(22.2, 21.2, 0);

Map.addLayer(dataset, visualization, "Monthly average air temperature [K] at 2m height");