To convert 77 degrees Fahrenheit to Celsius, you can use the formula: Celsius (Fahrenheit - 32) x 5/9. Plugging in the value of 77 degrees Fahrenheit:, What is minus 77 degrees Fahrenheit in celsius? Minus 77 degrees Fahrenheit is approximately -60 degrees Celsius. To convert Fahrenheit to Celsius, you subtract 32 from the Fahrenheit temperature , What is minus 77 degrees Fahrenheit in celsius? Minus 77 degrees Fahrenheit is approximately -60 degrees Celsius. To convert Fahrenheit to Celsius, you subtract 32 from the Fahrenheit temperature , To convert 77 degrees Fahrenheit to Celsius, subtract 32 from 77 and then multiply the result by 5/9. The temperature in degrees Celsius is 25 degrees., 25°C Converting Fahrenheit to Celsius temperatures uses the following formula: (T in Fahrenheit - 32°)x(5/9)= T in Celsius degrees 77-32=45 and 45x(5/9)=25, (-77) degrees Fahrenheit = -60.5555556 degrees Celsius. Tags Temperature Temperature.