Usually, I don't feel that cold if the temperature is above ten degrees Celsius, otherwise I feel very uncomfortable. Usually, I don't feel that cold if the temperature is above ten degrees Celsius, otherwise I feel very uncomfortable.

Usually, I don't feel that cold if the temperature is above ten degrees Celsius, but when it isn't, I feel very uncomfortable.

Usually, I don't feel that cold ifas long as the temperature is above ten degrees Celsius, otherwise I feel very uncomfortable. Usually, I don't feel that cold as long as the temperature is above ten degrees Celsius, otherwise I feel very uncomfortable.

Your sentence is fine, but this is a little more natural.

Usually, I don't feel that cold if the temperature is above ten degrees Celsius, otherwise I feel very uncomfortable. Usually, I don't feel that cold if the temperature is above ten degrees Celsius, otherwise I feel very uncomfortable.

Your sentence is grammatically correct but a bit hard to understand because of the double negative: "don't feel" and "otherwise." Here's an alternative: Usually, temperatures above 10°C don't feel that cold to me, but anything lower makes me feel very uncomfortable.

Usually, I don't feel that cold if the temperature is above ten degrees Celsius, otherwise I feel very uncomfortable. Usually, I don't feel that cold if the temperature is above ten degrees Celsius, otherwise I feel very uncomfortable.

The sentence is not clear, when do you feel uncomfortable

I am searching for information online to selocate cities where their lowest temperatures are above ten in the winter. I am searching for information online to locate cities where the lowest temperatures are above ten in the winter.

I am currently searching for information online to seefind cities where their lowest temperatures are above ten in the winter. I am currently searching for information online to find cities where their lowest temperatures are above ten in the winter.

I am searching for information online to see which cities where theirhave lowest temperatures are above ten during the winter. I am searching for information online to see which cities have lowest temperatures above ten during the winter.

I am searching for information online to seeabout cities where their lowest temperatures are above ten in the winter. I am searching for information online about cities where their lowest temperatures are above ten in the winter.

alternative: I am searching online for cities whose annual minimum temperatures are above 10°C.

I am searching online for information online to see cities where their lowest temperatures are above ten in the winter. I am searching online for information on cities where lowest temperatures are above ten in the winter.

I guess life there would be very nice if I lived in those cities. I guess life there would be very nice if I live in those cities

Confusion of tenses(although acceptable, but still a suggested minor improvement)

I guess life therimagine life would be very nice if I lived in those cities. I imagine life would be very nice if I lived in those cities.

I guess life (there) would be very nice if I lived in one of those cities. I guess life (there) would be very nice if I lived in one of those cities.

alternative: I guess life in one of these cities would be very nice.

I guess life there would be very nice if I lived in those cities. I guess life would be very nice if I lived in those cities.

In China, I think only cities in south China can meet the demandis criteria. In China, I think only cities in south China can meet this criteria.

Your sentence is understandable, but "meet the demand" is usually used in the context of producing products eg. "The small amount of soda cans produced in 1996 could not meet the demands of the growing soda industry."

In China, I think only cities in south China can meet the demandmy requirement. In China, I think only cities in south China can meet my requirement.

In / Within China, I think only cities [in south China can meet the demand| in the south] can meet this requirement. In / Within China, I think only cities [in south China | in the south] can meet this requirement.