It was a warm day, if not exactly hot.

这一天即使算不上热，也是一个暖和的日子。

《牛津词典》

It was a warm day, which I hadn't noticed on the way over.

那是温暖的一天，我没有注意到路就走完。

youdao

Just walking for an hour on a warm day may increase your requirement by 2 glasses or more.

如果你在炎热的天气里走上一小时，就要多喝2杯水。

youdao

After a long day at work, Eddie returns home to his wife and the warm love of the niece he and his wife have raised.

VOA: special.2010.03.12

Imagine standing in the middle of the Utah desert on a warm summer day.

设想某个温暖的夏日,你身处犹他州的沙漠深处。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

If you were reading a book in your warm bed on a cold winter's day,you might say you were snug as a bug in a rug.

VOA: special.2010.12.26

He wore the usual uniform: head scarf like a flag, leather jacket on a warm day, bullet necklaces, skull rings, gun buckle belt, motorcycle boots.

NPR: Katrina Affecting Psyches Beyond the Gulf Region

Etchingham could see that the glass table in the hotel suite was smashed and that Hendrix had the heating on full blast even though it was a warm day.

BBC: Kathy Etchingham: Life as Jimi Hendrix's 'Foxy Lady'

It was a warm day, with brilliant sunshine.

CNN: Tsunami tragedy: Your e-mails