Sources and licences
The datasets behind the map, who publishes them, and the terms they come with.
Terms checked at each publisher's site on 6 October 2026. For what Pohoda does with the data, see how Pohoda works.
Climate and sea
ERA5-Land
Temperature, rain, wind, humidity, snow and solar radiation for 1996 to 2025, at 0.1° (about 11 km). Published by the Copernicus Climate Change Service (C3S) and ECMWF as “ERA5-Land hourly data from 1950 to present”, DOI 10.24381/cds.e2161bac, and processed through Google Earth Engine.
Terms: the dataset page lists a CC-BY licence. The Copernicus licence allows use for any lawful purpose, commercial use included, with the credit below. Dataset page
Credit: contains modified Copernicus Climate Change Service information (2026). Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.
NOAA OISST v2.1
Daily sea surface temperature at 0.25° (about 28 km) from NOAA, used for the sea temperature layer. Reference: Huang et al., Improvements of the Daily Optimum Interpolation Sea Surface Temperature (DOISST) Version 2.1, Journal of Climate 34, 2923–2939.
Terms: see the NOAA NCEI product page.
GMTED2010
Global Multi-resolution Terrain Elevation Data 2010 from the U.S. Geological Survey, used for elevation. Courtesy of the U.S. Geological Survey.
Terms: USGS states that most of its information is in the public domain and may be used without restriction. Earth Engine catalog entry
Forecasts
C3S seasonal forecasts
The seasonal outlook uses five systems from the Copernicus Climate Change Service multi-system seasonal service (ECMWF SEAS5, Météo-France, DWD, ECCC and CMCC), compared against each system's own past forecasts.
Terms: the dataset page lists a CC-BY licence plus an additional licence for non-European contributions. Dataset page
Credit: contains modified Copernicus Climate Change Service information (2026). Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.
Open-Meteo
The 16-day forecast comes from the Open-Meteo forecast API, loaded in your browser when you open the forecast.
Terms: data under CC BY 4.0. Open-Meteo terms
Map and places
CARTO basemap and OpenStreetMap
The base map uses CARTO Positron (light) and Dark Matter (dark) tiles, drawn from OpenStreetMap data and shown with Leaflet.
Terms: OpenStreetMap data is available under the Open Database License (ODbL). CARTO’s free basemaps require attribution to both OpenStreetMap and CARTO and are subject to its Basemaps Terms.
Credit: © OpenStreetMap contributors, © CARTO.
Nominatim
Place search and the place name shown when you click the map use Nominatim, the OpenStreetMap geocoder. Your search text and IP address are sent to it, as described in the privacy notice.
Terms: OpenStreetMap data under the ODbL, served under the Nominatim usage policy.
Crowds and tourism
Monthly tourism statistics are mapped onto the 26 fortnights and scaled within each region, so they show seasonality only. They are not visitor numbers and cannot be compared between regions.
Eurostat
Nights spent at tourist accommodation, tables tour_occ_nin2m (regional) and tour_occ_nim (national). © European Union.
Terms: Eurostat allows reuse without a licence if the source is indicated as Eurostat and any modification is stated. Pohoda normalises the values within each region. Eurostat reuse policy
National statistics
- Japan. Accommodation Survey (table 0003313661), e-Stat. The e-Stat terms permit commercial use, are compatible with CC BY 4.0, and ask for the source and a note that the data was edited. Source: Portal Site of Official Statistics of Japan (e-stat.go.jp). Created by editing the Accommodation Survey. e-Stat terms
- Canada. Statistics Canada table 24-10-0043, tourists entering or returning to Canada, by province. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada of this product. Statistics Canada Open Licence
- New Zealand. Stats NZ Accommodation Survey, guest nights by region. Stats NZ copyright and reuse
- Türkiye. Border Statistics Bulletin, foreign arrivals by border gate and month, Ministry of Culture and Tourism. Ministry statistics page
- Brazil. IBGE Monthly Services Survey (PMS), tourism services volume index by state. IBGE SIDRA
US National Park Service
Monthly recreation visits by park from the NPS Visitor Use Statistics. NPS describes material it creates for its website as generally in the public domain and appreciates a credit to the National Park Service. NPS reuse policy
Pohoda is a planning aid and not a forecast service: check official forecasts before you travel.
Pohoda is a free, map-first planner for finding when and where the weather suits your trip. Open the map