warmspell

noun
UK /ˈwɔːm.spel/
US /ˈwɔːrm.spel/

A warmspell is a short time when the weather is nice and warm.

We had a warmspell in March, so we played outside without coats.


OTHER MEANINGS

2. A magic charm that makes someone feel cozy and warm.

The fairy gave the cold traveler a warmspell to keep him snug.

3. A short period of friendly, happy feelings between people.

After they apologized, a warmspell settled over the whole family.

4. A brief stretch of warm water in the sea.

The fish swam through a warmspell near the shore.