Academic Writing Task 1 · mixed chart

Average monthly rainfall and temperature in an East African region

The graph and bar chart below show the average monthly rainfall and temperature for one region of East Africa.

Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

Average monthly rainfall (mm)
0100200300400500JanFebMarAprMayJunJulAugSepOctNovDec
View the data
JanFebMarAprMayJunJulAugSepOctNovDec
Rainfall20151002601351510152815016052
Average monthly temperature (°C)
0510152025JanMarMayJulSepNov
View the data
JanFebMarAprMayJunJulAugSepOctNovDec
Temperature22232423.522.521.520.52122.523.522.521.4

Chart redrawn by BandLadder from the data in the original IELTS practice task. Many IELTS practice tasks come from the Cambridge IELTS series (Cambridge University Press & Assessment); all rights in the original tasks remain with their owners.

Band 8 sample answer

The provided charts illustrate the monthly rainfall and temperature patterns in a specific East African region. Overall, the data reveals a bimodal rainfall distribution, with the highest precipitation occurring in April and November, while temperatures fluctuate between 20.5°C and 24°C throughout the year.

Rainfall is most significant in April, peaking at 260 mm, followed by a secondary peak in November at 160 mm. Conversely, the driest months are June, July, and August, where rainfall drops to between 10 mm and 15 mm. January and February also remain relatively dry, with precipitation levels below 20 mm. The remaining months show moderate rainfall, with October recording 150 mm and May reaching 135 mm.

Regarding temperature, the climate is warmest in March at 24°C, closely followed by April and October at 23.5°C. The lowest temperature is recorded in July at 20.5°C. Interestingly, the temperature trend shows a decline during the mid-year dry season, reaching its minimum in July, before rising again towards the end of the year. There is a notable drop in temperature during the peak rainfall month of April, suggesting an inverse relationship between heavy precipitation and heat levels.

188 words. Every figure in the answer comes from the chart above.

How to write about mixed charts

Bimodal
Having or involving two modes or peaks
Fluctuate
Rise and fall irregularly in number or amount
Conversely
In a way that is the opposite
Precipitation
Rain, snow, sleet, or hail that falls
Inverse relationship
A situation where one variable increases as another decreases
Peak
Reach a highest point of value or intensity

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Frequently asked questions

What should the overview say?

The region experiences two distinct rainy seasons and temperature fluctuations that generally inversely correlate with the heaviest rainfall periods.

How long should an IELTS Task 1 answer be?

At least 150 words; 170 to 200 is the safe range. Spend about 20 minutes on it and leave 40 for Task 2, which carries twice the marks.

How do I describe mixed charts?

Write one overview sentence that links the two visuals. Give each visual its own detail paragraph. Point out where one chart explains the other.

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