Able to drop "です"?
Is it possible to drop "です" when casually/informally describing things with -い adjectives?

Such as saying "今日はちょっとさむい” instead of "今日はちょっとさむいです".
I'm at the beginner level, so I've been putting adjectives for things I am describing in their own sentences, all ending with "です" and it sounds very repetitive. Most of these things are different and unrelated objects too.

Question

Able to drop "です"?
Is it possible to drop "です" when casually/informally describing things with -い adjectives?

Such as saying "今日はちょっとさむい” instead of "今日はちょっとさむいです".
I'm at the beginner level, so I've been putting adjectives for things I am describing in their own sentences, all ending with "です" and it sounds very repetitive. Most of these things are different and unrelated objects too.

Answer

Yes, that's correct.

If you want to change every ending, there are some variations. 
(you may not know)〜よ。
(you may agree with me)〜ね/よね。
(I warn you)〜ぞ。
(I wonder if)〜かな。
It can be used with ですtogether, likeですよ。ですね。ですよね。

If you arrive to Japan today, I'd say 今日はちょっとさむいね。でもきのうはすこしあつかったよ。あしたもさむくなるかな。

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