Como eu digo "no meio do ano" em inglês

Português: no meio do ano, na metade do ano, em meados do ano.
Inglês: part way/ halfway/ midway through the year, mid-year, in the middle of the year.

Exemplo 1: Can I change payroll providers part way through the year? Ref. lambert-chapman.co

Exemplo 2: It's especially hard for me to stick to my fitness routine, since my regular gym classes change halfway through the year. Ref. businessinsider

Exemplo 3: The work has been contracted to Aecom and the review is set to be received by the States "midway through the year". Ref. bbc

Exemplo 4: If you’re planning to switch payroll providers mid-year in the UK, think about (...) Ref. lambert-chapman.co

Exemplo 5: Despite Norwich city council’s objections, the inspectorate upheld McDonald’s appeal and the restaurant – its 10th in the city – will open in the middle of the year. Ref. theguardian

OBS 1: Mid-year, além de funcionar como um advérbio de tempo (exemplo 4), pode ser também um adjetivo. Veja no exemplo abaixo:

Exemplo 6: (...) an experienced payroll provider can handle a mid-year payroll provider change just as effectively, and often with minimal disruption. Ref. lambert-chapman.co

OBS 2: Para dizer "(já) passamos do meio do ano", podemos usar: we're over halfway through the year.

Exemplo 7: As of right now, we’re over halfway through the year, with 180 sleeps until the big day. Ref. metro.co

OBS 3: Se estivermos nos referindo ao ano letivo, ao ano de estudo em alguma instituição de ensino, é melhor darmos preferência a, por exemplo, in the middle of (the) term.

Exemplo 8: Children being taken out of school on holiday, sometimes in the middle of term, is a widespread frustration among teachers. Ref. holyrood

Exemplo 9: They break up the school terms, ” she said, adding that “between each holiday, there is a week holiday. It is in the middle of the term. It is half term. The current school break is Easter Holidays.” Ref. huffingtonpost.co