She's maybe Swedish, but has a month in France (3)

I believe the answer is:

mai

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'she's maybe swedish but' is the definition.
I know nothing about this answer so I can't judge whether this works.

'a month in france' is the wordplay.
'a month' becomes 'm' (standard abbreviation).
'in france' becomes 'ai' (I can't justify this - if you can you should believe this answer much more).
'm'+'ai'='MAI'

'has' is the link.

Can you help me to learn more?

I've seen this clue in the Evening Standard.

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