The line graph compares average monthly temperatures in Moscow, Dubai and Sydney over one year, with readings shown for January, March, May, July, September and November.
Overall, Dubai was the hottest city in every month except January, while Moscow was the coldest in every month except July. Moscow and Dubai both peak in July, but Sydney follows the opposite seasonal pattern.
Dubai's temperature rose from 19°C in January to 23°C in March and 34°C in May, peaking at 38°C in July. It then fell back to 34°C in September and 25°C in November. Moscow experienced a far wider range. It was –8°C in January and –2°C in March, but then climbed steeply to 14°C in May and a high of 19°C in July. After that it dropped to 11°C in September and 0°C in November.
Sydney's pattern was the reverse. Its warmest reading was 23°C in January, and temperatures declined to 22°C in March, 17°C in May and a low of 13°C in July. They then recovered to 17°C in September and 21°C in November. Consequently, in July Sydney was 6°C cooler than Moscow.