Geography of the Gambia careful surveying methods by the Franco-British boundary commission. Apart from its coastline, where the Gambia borders the Atlantic Ocean, it is an enclave of Senegal and is by far the smallest country on mainland Africa. The Gambia has a subtropical climate with distinct dry and rainy seasons. From November to mid-May there is uninterrupted dry weather, with temperatures as low as in Banjul and surrounding areas. Hot, humid weather predominates the rest of the year, with a rainy season from June to October; during this period, temperatures may rise as high as but are usually lower near the sea. Mean
Flag of the Gambia and hills, along with the letter "G" standing for the first letter of the territory's name. The Gambia was granted self-governance in 1963. The defaced blue ensign continued to be used until full independence was granted in 1965. The winning design for the new flag was created by Louis Thomasi, who worked as an accountant. It is one of the few African flags that does not utilize the colours of the country's leading political party, since its design "has no political basis". It was first hoisted at midnight on February 18, 1965, the day the Gambia became an independent country.