Remarkably, yes—the water remains hot. The lagoon holds 9 million liters of water, and geothermal energy provides a constant heat input. Snow and sleet do not cool a 38°C body of water quickly. In fact, the contrast between the steaming hot water and the freezing winter air creates a spectacular fog effect. Most guides argue that experience is better in winter because the steam rising off your shoulders keeps your face warm while the air bites at your nose.
She looked down.
What makes unique is not the peak temperature, but the sensory contrast . Imagine submerging your body in 39°C water while the air temperature is -5°C (23°F). Steam rises off the surface like a witch’s cauldron. That juxtaposition—scalding water, freezing air—is the signature Icelandic hot spring experience. the blue lagoon hot