Access data in seconds without searching for weather stations or processing gigabytes of raw data


Get unadulterated weather data from primary sources such as ECMWF and NOAA


Trusted by the most demanding users, from Fortune 500 companies to government agencies

Stand on the Shoulders of Giants



Years of global hourly weather data, from 1950 to present


Weather and climate parameters, including solar radiation


Terabytes of data post-processed for fast time-series access

Introducing Weather Data Downloader

Fastest way to download weather data to CSV - without any code

Download data as time-series for any location from 1950 in seconds

Download EnergyPlus Weather (EPW) format for the most up-to-date AMY or TMY

Specify hourly, daily, or monthly data, available as mean, max, or min value

Available to try without signing up!



Drury B Crawley, PhD (FASHRAE, BEMP, FIBPSA) / Linda Lawrie (FASHRAE, FIBPSA)


"Using globally available solar radiation data from Oikolab, Climate One Building is able to completely revise and publish up-to-date set of TMYx files through 2021 for more than 17000 locations around the world. The quality of the data service and the support from Oikolab is superb"

Kevin J. Kircher

Engineer Postdoc @ MIT

“Worked a lot with oikoweather data this week, and it was a pleasure. Clean weather data, granular in space and time. Decades of historical data and continually updated forecasts. Easy python API, free access. Definitely recommend!”

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Simple Pricing

1 data unit = 1 location x 1 parameter x 1 month


1 data unit = 1 deg lat x 1 deg lon x 1 parameter x 1 month (NetCDF)

Pay As You Go

$0.01 / unit

Sign up

done Free 1500 units/month
done Historical data from 1950
done Global Forecast Models
done Air Quality Forecast
done Up to 2500 units per call
done Sign-up without credit card

$150 / month

Contact us

done Includes 50,000 units, $0.005/unit afterwards
done All types of data in PAYG
done Regional Forecast Models
done Seasonal Forecast Models
done Archived Forecast (28 days)
done Up to 5000 units or 10 locations per call

Contact Us

Contact Us

done All types of data in Business plan
done Archived Forecast (90 days)
done Ensemble Forecast (GEFS)
done ERA5Land (9km)
done Gridded Data (NetCDF)
done Up to 25,000 units or 100 locations per API call

Are you a university student or researcher? Please ask your librarian if Oikolab data is available through your library subscription.