On April 1st, average global sea-surface temperatures reached 21.1°C (70.0°F). The new record is more than half a degree above the global average between 1982 and 2011 (see chart).

The Sun has varying temperatures depending on the layer. Here is how hot the Sun's surface, core and corona are, plus how nuclear fusion works. Best tech deals 🛍️ $3,500 iPhone possible?