The line graph illustrates changes in average temperatures per month among 3 main cities. From an overall perspective, it can be easily seen that Paris is the coldest city in comparison to Sydney and Dubai; however, the hottest temperature belongs to Sydney at the beginning and the end of the time period of a year.
To begin, in January, the temperature stood at 5 degrees C in Paris, and started increasing gradually, reaching its highest point of 20 degrees C in July. After remained static in August, its temperature went down 4 times with 5 degrees at the end of the period, December. Dubai followed an almost similar pattern to Paris. In the beginning the year, the temperature accounted for approximately 20 degrees C, then it showed considerable an increase by surpassing 35 degrees Celsius in August. By the end of the period, the temperature exceeded 20 degrees Celsius, slightly higher than the temperature which was recorded at the beginning of a year.
Sydney experienced nearly 25 degrees C in January, then its temperature dropped to almost 15 degrees in May and September, closely resembles those of Paris. In the ensuing months, the temperature plummeted to 5 degrees Celsius in December.