The hottest countries in the world experience extreme warmth throughout the year, shaping how people live, work, and adapt to their environment. Average annual temperature is a useful way to compare long-term heat conditions across nations, rather than focusing on short-term heatwaves or record-breaking days. As global temperatures continue to rise, interest in the world’s hottest countries has grown among researchers, travelers, policymakers, and climate observers. Understanding which countries consistently record the highest average temperatures helps explain regional climate patterns, environmental challenges, and long-term risks linked to heat, water scarcity, and sustainability.
Average annual temperature reflects the typical warmth of a country over an entire year, smoothing out seasonal highs and lows. It is usually calculated using long-term weather observations collected from meteorological stations across different regions. Countries near the equator or within arid and semi-arid zones often record the highest averages due to intense sunlight and limited seasonal variation. Coastal influence, altitude, desert coverage, and ocean currents also play an important role. In recent decades, global warming has increased average temperatures worldwide, but the hottest countries remain largely concentrated in Africa and tropical island regions where heat is persistent year-round.
Top 10 Hottest Countries in the World 2026
- Burkina Faso: 28.3 °C
- Mali: 28.2 °C
- Kiribati: 28 °C
- Djibouti: 28 °C
- Senegal: 27.9 °C
- Mauritania: 27.7 °C
- Maldives: 27.6 °C
- Palau: 27.6 °C
- Benin: 27.5 °C
- Niger: 27.4 °C
Burkina Faso and Mali lead the ranking with the highest average annual temperatures, both exceeding 28 °C, reflecting their location in the Sahel region where heat dominates most of the year. Kiribati and Djibouti closely follow, showing that both small island nations and arid coastal states can experience similar levels of sustained heat. West African countries appear frequently in the top ten, highlighting the influence of desert proximity and low elevation. Tropical island nations like the Maldives and Palau also rank high due to minimal seasonal variation, maintaining warm temperatures throughout the year rather than experiencing extreme fluctuations.
Full Data Table
| # | Country | Average annual temperature (°C) |
|---|---|---|
| 1 | Burkina Faso | 28.3 |
| 2 | Mali | 28.2 |
| 3 | Kiribati | 28 |
| 4 | Djibouti | 28 |
| 5 | Senegal | 27.9 |
| 6 | Mauritania | 27.7 |
| 7 | Maldives | 27.6 |
| 8 | Palau | 27.6 |
| 9 | Benin | 27.5 |
| 10 | Niger | 27.4 |
| 11 | Chad | 27.3 |
| 12 | Sudan | 27.2 |
| 13 | Gambia | 27.1 |
| 14 | Qatar | 27.1 |
| 15 | United Arab Emirates | 27 |
| 16 | Somalia | 26.9 |
| 17 | Eritrea | 26.8 |
| 18 | Sri Lanka | 26.8 |
| 19 | Nigeria | 26.8 |
| 20 | Cambodia | 26.7 |
| 21 | Thailand | 26.7 |
| 22 | Guinea Bissau | 26.6 |
| 23 | Brunei | 26.6 |
| 24 | Malaysia | 26.6 |
| 25 | Indonesia | 26.5 |
| 26 | Philippines | 26.5 |
| 27 | Timor Leste | 26.5 |
| 28 | Togo | 26.4 |
| 29 | Ghana | 26.3 |
| 30 | Cameroon | 26.2 |
Key Points
- The top-ranked countries all have average annual temperatures above 27 °C, indicating year-round heat rather than seasonal extremes.
- African nations dominate the top ten, particularly those near desert or semi-arid regions.
- Small island countries also rank highly because ocean climates keep temperatures consistently warm.
- Differences between ranks are narrow, with less than one degree separating most countries.
- The hottest countries are primarily located near the equator or within tropical and subtropical zones.
- Persistent heat in these regions affects agriculture, water availability, and daily life patterns.
The ranking of the hottest countries in the world highlights regions where high temperatures are a constant part of life rather than an occasional event. Countries like Burkina Faso, Mali, and Djibouti face ongoing challenges linked to heat, including water stress and agricultural limits, while island nations such as the Maldives and Palau experience steady warmth shaped by their surrounding oceans. As climate change continues to influence global temperature patterns, understanding long-term averages becomes increasingly important. These rankings provide valuable insight into where heat is most intense today and where adaptation strategies will remain essential in the years ahead.
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