Geography / Climate Extremes

Dallol, Ethiopia: Where the Average Temperature Is Higher Than Anywhere Else on Earth 🔥

Far from the scorching single-day records, this remote volcanic field holds the record for the highest *average* annual temperature, creating a landscape of alien colors and acidic pools.

Author: Quizees Team Published: November 22, 2025

1. The Record: Highest Annual Average Temperature

While Furnace Creek in Death Valley may hold the record for the highest recorded single temperature, **Dallol, Ethiopia**, holds the official record for the **highest average annual temperature** ever recorded for an inhabited location. Between 1960 and 1966, the average annual temperature here was a blistering **$34.4^\circ C$ ($94^\circ F$)**.

Vividly colored acidic pools in the Dallol volcanic field
Dallol’s landscape is shaped by salt, sulfur, and geothermal heat.

2. An Alien Landscape: The Dallol Hydrothermal Field

Dallol is located in the **Danakil Depression**, part of the Afar Triangle—a spectacular geological area where three tectonic plates are slowly pulling apart. This extreme tectonic activity creates intense geothermal heat, fueling the Dallol hydrothermal field.

The landscape looks alien: brilliant neon-green, yellow, and red colors stain the ground. These colors come from minerals like sulfur, iron oxides, and salt deposits left behind by superheated, acidic brines that bubble up from the Earth's crust.

3. High Acidity and The Limits of Life

The hot springs and ponds in Dallol are not only hot but incredibly acidic, often having a pH value close to **zero**, which is stronger than stomach acid. For years, scientists believed that nothing could survive in these pools.

Recent research, however, has revealed that some extremophile microorganisms *do* exist on the edges of these pools, adapted to survive the extreme acidity and high salinity. This makes Dallol a crucial laboratory for understanding how life might originate and survive on other planets, like early Mars.

4. The Geological Depression: Below Sea Level

Adding to the extremity, the Danakil Depression is one of the lowest points on the planet, with Dallol resting approximately **125 meters (410 feet) below sea level**. The combination of being below sea level (which increases atmospheric pressure and heat retention) and intense geothermal activity is what creates this unique climatic record.

The heat, combined with the extreme remoteness and the area's geological activity, makes it one of the most hostile, yet visually spectacular, environments on Earth.

From the freezing cold of Antartica to the scorching heat of Dallol, explore more of the planet's climatic records in our Geography category!