Real station data
Climate normals from over 45 stations (Met Office, NOAA, AEMET and other weather services): from Dublin to Riyadh and from Bangkok to Yakutsk.
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Teaching Guide: Climate Graphs
A climate graph sums up the climate of a place in one chart: monthly precipitation as bars and mean temperature as a line. This free climate graph worksheet generator creates A4 worksheets with real weather station data to draw climate graphs, analyse them and identify the climates of the world and of Spain, always with an answer key.
Draw
A data table and a ready grid on the P = 2T scale. At level 3, students number the axes themselves.
Analyse
From reading the graph to working out the temperature range, mean temperature and total precipitation, and explaining the climate type.
Identify
Four climate graphs per sheet and the list of climates: equatorial, tropical, hot desert, Mediterranean, oceanic, continental, polar and mountain.
Climates of Spain
Oceanic, coastal, inland and semi-arid Mediterranean, subtropical Canary Islands and mountain, with stations from each area.
Answer key
The finished graph, the answers worked out from the printed data and the features of each climate.
Frequently Asked Questions about Climate Graphs
How do you draw a climate graph?
The twelve months go along the horizontal axis. Precipitation is drawn as blue bars on the right axis (mm) and temperature as a red line on the left axis (°C). The precipitation scale is twice the temperature scale (10 °C at the same height as 20 mm) and both zeros are on the same line.
Why is precipitation drawn at twice the temperature scale?
So the dry months stand out: by Gaussen’s rule, a month is dry when its precipitation in mm is less than twice its temperature in °C (P < 2T). On a P = 2T scale, those are the months whose bar stays under the line.
How are the temperature range and mean temperature worked out?
The annual temperature range is the warmest month’s temperature minus the coldest month’s. The mean annual temperature is the sum of the twelve temperatures divided by 12. The total precipitation is the sum of the twelve monthly amounts.
Where does the data come from?
They are real climate normals (mostly for 1991–2020) published by each country’s weather service: AEMET for Spain, and NOAA, the Met Office, Météo-France, INMET or the WMO, among others, for the rest of the world. Each graph names its source.
Which grades are the worksheets for?
Grades 7 to 9 (ages 12 to 15), when world climates and climate zones are taught. Level 1 is the place to start, and level 3 adds southern hemisphere stations, where summer runs from December to February.
Which other geography worksheets go well with these?
To find the stations on a map, use the Latitude and Longitude Worksheet Generator or the Blank Map Worksheet Generator. There are more resources in History & Society.
Is any data sent to a server?
No. The worksheet is created in your browser, and templates are only saved in your browser’s memory.
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