# Data, method and sources of this weather site for Mallorca > Where the weather data for Mallorca comes from, how the averages are calculated, which licences apply and how the site is funded. Canonical: https://wettermallorca.com/en/about/ Updated on: 2026-10-02 This page is an independent information service about the weather in Mallorca. It is not an official weather service and does not belong to any public authority. ## Independent and not an official weather service The site prepares freely accessible weather data for travellers. It takes no measurements of its own and produces no forecasts of its own. It issues no weather warnings. Official forecasts and warnings for Mallorca are published by the Spanish weather service [AEMET](https://www.aemet.es/). For decisions where safety is at stake, such as mountain tours or boat trips, its information is what counts. ## The live forecast The forecast comes from the Norwegian weather service MET Norway, Locationforecast 2.0 service. The data is under the NLOD 2.0 and CC BY 4.0 licences. Attribution: Data from [MET Norway](https://www.met.no/en). The query is for a point in Palma at 39.5696 degrees north and 2.6502 degrees east. The values are summarised per calendar day in local time: warmest and coldest value, total precipitation, strongest mean wind and a weather symbol for the daytime hours. The forecast covers around 9 to 10 days. If the service cannot be reached, the page shows a notice instead of substitute values. ## The climate data The average values are based on daily values from the Palma Puerto station, ID B228, from AEMET OpenData, the open data service of the Spanish weather agency AEMET. The station is located at 39.5542 degrees north and 2.6253 degrees east, 3 m above sea level on the coast, around 2.7 km in a straight line from the queried point in Palma. AEMET allows this data to be reused, including for commercial purposes, as long as the source is named. Fuente: AEMET. AEMET takes no part in this site and does not endorse it. The analysis covers the 15 full years from 2011 to 2025, with daily high, low and precipitation. In none of these years are more than 1 per cent of the days missing. ## How the average values are produced - Daily values in the calendar: For each calendar day, the mean of the highs and of the lows is taken from all years with a reading. 29 February is based only on the four leap years. - Rain on the day: The figure given is the share of years in which at least 1 mm of precipitation fell on that date. - Monthly values: Each month is averaged separately for every year, and then the average is taken across the years. Rain days are days with at least 1 mm. - Missing days: Gaps are not filled in. A month of a given year only counts if values exist for at least 80 per cent of its days. Rain totals are therefore more of a lower limit. - Extremes: Highest and lowest values refer only to 2011 to 2025 and are not all-time records. An average of past years is never presented as a forecast on this site. Where the two appear side by side, they are labelled. ## The sea temperature The sea temperature comes from NOAA OISST, a daily analysis of sea surface temperature on a grid of 0.25 degrees. The grid cell used is centred on 39.375 degrees north and 2.625 degrees east off the Bay of Palma, averaged per month over 2011 to 2025. NOAA states that the data can be freely used and redistributed. The value describes open water and is not a measurement at the beach. ## What is missing from this site There is no long-term data here on hours of sunshine, wind or humidity, and no values for other places on the island. Anything that cannot be backed by a source that was opened does not appear on the site. ## Funding and affiliate links The site contains links to activities in Mallorca. Some of them are affiliate links: the site receives a commission for a booking made through such a link. The travel guide [mallorcaplaner.com](https://mallorcaplaner.com/) belongs to the same project and is also linked. The weather data is not influenced by this. How the site handles visitor data is set out in the [privacy policy](https://wettermallorca.com/en/privacy/). ## Frequently asked questions ### Is Wetter Mallorca an official weather service? No. The site is an independent information service and does not belong to any public authority. It processes data from MET Norway, AEMET and NOAA. Official forecasts and warnings for Mallorca are published by the Spanish weather service AEMET. ### Where does Wetter Mallorca get its weather forecast for Mallorca from? From the Norwegian weather service MET Norway, Locationforecast 2.0 service, queried for a point in Palma. The data is under the NLOD 2.0 and CC BY 4.0 licences. The forecast covers around 9 to 10 days. ### Which station does the climate data for Palma de Mallorca come from? From the Palma Puerto station, ID B228 in AEMET OpenData, the open data service of the Spanish weather agency AEMET. It is 3 m above sea level on the coast, around 2.7 km in a straight line from the queried forecast point in Palma. ### Which years go into the average values for Mallorca? The 15 full years from 2011 to 2025. Averages are calculated from them for each calendar day and each month. This is an independent analysis and not an official climate normal over 30 years. ### Why do the values for Mallorca differ from other weather sites? Other sites often use other stations, such as the airport, other periods or other calculation methods. Here they are daily values from one station on the coast of Palma for the years 2011 to 2025. Small differences are therefore normal. ### Does Wetter Mallorca earn money from links to activities in Mallorca? Yes. Some links to activities are affiliate links. When a booking is made through such a link, the site receives a commission. This has no influence on the weather data shown. ## Sources - [MET Norway, Locationforecast 2.0](https://api.met.no/weatherapi/locationforecast/2.0/documentation), checked on 2026-10-02 - [MET Norway, licence and attribution (NLOD 2.0, CC BY 4.0)](https://api.met.no/doc/License), checked on 2026-10-02 - [MET Norway, Locationforecast data model and forecast models](https://api.met.no/doc/locationforecast/datamodel), checked on 2026-10-02 - [AEMET OpenData, daily climate values](https://opendata.aemet.es/), checked on 2026-10-03 - [AEMET station inventory, station B228 Palma, Puerto (39.5542 N, 2.6253 E, 3 m)](https://opendata.aemet.es/centrodedescargas/productosAEMET), checked on 2026-10-03 - [AEMET legal notice (terms of reuse)](https://www.aemet.es/es/nota_legal), checked on 2026-10-03 - [NOAA OISST v2.1, daily sea surface temperature, via NOAA CoastWatch ERDDAP](https://coastwatch.pfeg.noaa.gov/erddap/griddap/ncdcOisst21Agg_LonPM180.html), checked on 2026-10-02 - [AEMET, Agencia Estatal de Meteorología](https://www.aemet.es/), checked on 2026-10-02