Top 10 Warmest Cities in the World

1. Bosaso, Somalia

Bosaso, Puntland, Somalia (Africa)
Population: 290,000
Average high temperature: 35.0 °C / 95.0 °F
Average low temperature: 25.0 °C / 77.0 °F
Climate zone: Hot Desert Climate

Bosaso is the warmest city in the world. The average daily temperature in Bosaso reaches 30 °C / 86 °F. The city is located in the autonomous region of Puntland in northern Somalia. It is also located on Somalia’s northern shore at the Gulf of Aden and is therefore characterized by a hot desert climate. Bosaso has a population of around 290,000 and is known to be the most wealthy and also the safest city in Somalia, a country plagued by ongoing civil war and constant Islamic terrorist attacks.

2. Khartoum, Sudan/Omdurman, Sudan

Khartoum/Omdurman, Khartoum State, Sudan (Africa)
Population: 640,000 (Khartoum) / 2.4 million (Omdurman)
Average high temperature: 37.0 °C / 98.6 °F
Average low temperature: 22.8 °C / 73.0 °F
Climate zone: Hot Desert Climate

The capital of Sudan Khartoum and its adjacent city Omdurman are collectively the second warmest city in the world. On an average day in the year, you can expect a mean temperature of 29.9 °C / 85.8 °F. While Khartoum is the capital of Sudan, the neighboring Omdurman is the country’s most populous city with around 2.4 million people. Put together, more than 3 million people live in the metropolitan area right at the Nile river. The second warmest major city in the world is therefore located at the shores of the world’s longest river. The area is located on the Southeastern edge of the Sahara desert and is therefore also characterized by a hot desert climate.

3. Djibouti City, Djibouti

Djibouti City, Djibouti Region, Djibouti (Africa)
Population: 560,000
Average high temperature: 33.9 °C / 93.0 °F
Average low temperature: 25.9 °C / 78.6 °F
Climate zone: Hot Desert Climate

The city of Djibouti is the capital of the country of Djibouti and the third warmest city in the world. Djibouti City has an average temperature of 29.9 °C / 85.8 °F and therefore the same average as Khartoum, but a lower high-temperature average (33.9 °C compared to Khartoum’s 37 °C). Djibouti City is located at the Gulf of Tadjoura on Africa’s Southeastern coastline. As the capital and largest city of Djibouti, around 560,000 people and by that, more than 70% of the small African country’s population lives in Djibouti City. The city has a hot desert climate.

4. Niamey, Niger

Niamey, Niamey Region, Niger (Africa)
Population: 1.3 million
Average high temperature: 36.2 °C / 97.2 °F
Average low temperature: 22.4 °C / 72.3 °F
Climate zone: Semi-Arid Climate

Niamey is the next capital in this ranking of Top 10 warmest cities in the world. The capital of the country of Niger shows an average temperature of 29.3 °C / 84.7 °F. The Niger River, the 10th longest river in the world, flows through the city in Western Africa. Around 1.3 million people now live in the rapidly growing capital of Niger. The city and entire region are marked by a semi-arid climate. Niamey is therefore also the warmest major city in the world outside of a hot desert climate.

5. Garissa, Kenya

Garissa, Garissa County, Kenya (Africa)
Population: 110,000
Average high temperature: 35.8 °C / 96.5 °F
Average low temperature: 22.8 °C / 73.1 °F
Climate zone: Semi-Arid Climate

Garissa completes the Top 5 of the warmest cities in the world. The city in northeastern Kenya has an average temperature of 29.3 °C / 84.7 °F. It, therefore, shows the same average as Niamey but has a slightly lower high-temperature average (35.8 °C compared to Niamey’s 36.2 °C). The city in Kenya’s Garissa County has a population of around 110,000 which almost entirely comprises ethnic Somalis. Unfortunately, the city lies within one of the most dangerous areas in the world which are plagued by constant Islamist terrorist attacks like the 2015 Garissa University College attack which resulted in the deaths of 148 people. The city and region are characterized by a semi-arid climate.

6. Bangkok, Thailand

Bangkok, Central Thailand, Thailand (Asia)
Population: 8.3 million
Average high temperature: 33.3 °C / 91.9 °F
Average low temperature: 24.9 °C / 76.8 °F
Climate zone: Tropical Savanna Climate

7. Aden, Yemen

Aden, Aden Governorate, Yemen (Asia)
Population: 1.8 million
Average high temperature: 32.4 °C / 90.3 °F
Average low temperature: 25.5 °C / 77.9 °F
Climate zone: Hot Desert Climate

8. Muscat, Oman

Muscat, Muscat Governorate, Oman (Asia)
Population: 1.7 million
Average high temperature: 33.3 °C / 91.9 °F
Average low temperature: 24.3 °C / 75.7 °F
Climate zone: Hot Desert Climate

9. Port Sudan, Sudan

Port Sudan, Red Sea State, Sudan (Africa)
Population: 500,000
Average high temperature: 33.2 °C / 91.8 °F
Average low temperature: 23.7 °C / 74.7 °F
Climate zone: Hot Desert Climate

10. Phnom Penh, Cambodia

Phnom Penh, Cambodia (Asia)
Population: 2.1 million
Average high temperature: 32.9 °C / 91.2 °F
Average low temperature: 24.0 °C / 75.2 °F
Climate zone: Tropical Savanna Climate

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