The conversion

220°C = 428°F

°F = (°C × 9/5) + 32, so (220 × 9/5) + 32 = 428.

220 °C is well outside the range outdoor air occupies on Earth, so there is no useful weather description for it — this page is arithmetic rather than a forecast.

Convert something else

68°F

The range either side

Neighbouring values, for when the number you actually wanted was a degree or two away.

Celsius to Fahrenheit either side of 220 °C.
CelsiusFahrenheit
215 °C419 °F
216 °C420.8 °F
217 °C422.6 °F
218 °C424.4 °F
219 °C426.2 °F
220 °C428 °F
221 °C429.8 °F
222 °C431.6 °F
223 °C433.4 °F
224 °C435.2 °F
225 °C437 °F

The other direction

428 °F converts back to 220 °C, which is the same relationship read the other way. Going from Fahrenheit to Celsius, subtract 32 first and then multiply by 5/9 — doing it in the other order is the usual mistake and produces a plausible-looking wrong answer.

The full converter handles any value, in either direction, including kelvin, and shows the formula as it works.