I Caught a Cold. 

Cold days are far from over in Hokkaido. We still have cloudy, cold and rainy days.

****If you have the runny nose and a sore throat NOW then use: I have a runny nose and a sore throat.

****If you were were sick days ago (in the past) use: I had a runny nose and a sore throat. (Kate and I wrote it differently)

I caught a cold.

In Hokkaido the cold weather is far from being over.  The cloudy and rainy days are especially cold. 

It is easy to catch a cold because of the temperature differences.

I had a runny nose and now I have a sore throat.

Take care of yourself and bring appropriate clothing if you come to Hokkaido.

Today's essay is short, I just finished this.

I caught a cold.

It is far from over cold days in Hokkaido. > The cold days are far from over in Hokkaido

Especially, cloudy and rainy day are more cold. > It is colder, especially when the days are cloudy and rainy.
We easy to catch a cold because temperature difference is big. > We can catch a cold easily because of the big difference in temerature.

I have a sore throat had a runny nose. > I have a sore throat and a runny nose.

Let’s take care of your condition, and be careful for clothes if you are going to come to Hokkaido.

> Take care of your heath and be sure to bring suitable clothes if you are going to Hokkaido.

Today’s essay is just short, I finish this >Today's essay is short because that is all I have to say.