May is the good one. Long enough evenings to do something after tea, warm enough to sit outside, and bluebells if you know where to look.
This one has the first outdoor movie night of the year on it, plus flower crowns, pressed flowers and a fairy garden. There is a sunrise to watch, which is a lot easier in May than it is in December.
Fifteen ideas, most of them outside.
Free, nothing to sign up for, and there is one for every month if you would like the rest.