Not at all as long as it is a light jacket, but if you over heat more often than not, I do not recommend it.
It gets to about 82-84 degrees Fahrenheit
Assuming you mean 84 degrees: 90 degrees - 84 degrees = 6 degrees. 6 degrees is your answer.
Answer: 84 ºF = 28.8888 ºC
170
Apalachee Bay is located at 30 degrees N and 84 degrees W.
just type in "84 degrees fahrenheit" in google. 28 degrees celsius
183.2 degrees Fahrenheit
84ºF = 28.9ºC
Nepal
84
28.8
Cosine(84 radians) = -0.680023 Cosine(84 degrees) = 0.104528