Mart ayında hava değişir.

Mart ayında literally means in the month of March.

It is made up of:

• Mart = March
• ay = month
• -ı = a possessive ending here, giving ayı = its month / the month
• -nda = in

So Mart ayında is a very common Turkish way to say in March.

You may also hear Martta, which also means in March. The version with ayında is a little more explicit, like saying during the month of March.

This happens in steps:

• ay = month
• ayı = month + 3rd person possessive ending
• ayında = ayı
  • -nda (in)

The reason it becomes -nda rather than just -da is that Turkish often inserts an n after a possessive ending before another suffix.

So:

• ay → ayı
• ayı
  • -da → ayında

This pattern is very common in Turkish.

Turkish does not have articles like the or a/an in the same way English does.

So hava can mean:

• air
• the air
• weather
• the weather

In this sentence, hava means the weather from context.

Turkish often leaves definiteness to context instead of using a separate word like the.

Değişir comes from the verb değişmek, meaning to change.

The ending -ir here is the aorist form. In many cases, the aorist is used for:

• general truths
• habits
• things that usually happen
• timeless statements

So hava değişir means something like:

• the weather changes
• the weather tends to change
• the weather changes (at that time / in that season)

It sounds more like a general fact than a one-time event.

The difference is about general vs. ongoing meaning.

• değişir = changes / tends to change / does change
  → a general statement, habitual fact, typical occurrence
• değişiyor = is changing
  → happening right now or around now

So:

• Mart ayında hava değişir.
  = In March, the weather changes / the weather tends to change in March.

• Mart ayında hava değişiyor.
  would sound more like The weather is changing in March or the weather is in the process of changing, which is less natural if you just mean a general seasonal fact.

Turkish usually does not need subject pronouns when the verb ending already gives enough information, or when the noun itself is stated.

Here, the subject is explicitly hava (the weather), so there is no need for an extra pronoun.

English needs it changes in some contexts, but Turkish just says:

• Hava değişir. = The weather changes.

Turkish does not use a dummy pronoun like English it in weather expressions.

Yes. In Mart ayında hava değişir, the subject is hava.

Structure:

• Mart ayında = time expression (in March)
• hava = subject (the weather)
• değişir = verb (changes)

So the sentence is basically: In March, the weather changes.

Turkish is usually a Subject-Object-Verb language, and the verb often comes at the end of the sentence.

So this order is very normal:

• Mart ayında = time
• hava = subject
• değişir = verb

English usually prefers Subject-Verb order:

• The weather changes in March.

Turkish often places time expressions early and leaves the verb for the end.

Yes, Turkish word order is flexible, although some orders sound more neutral than others.

The most neutral version here is:

• Mart ayında hava değişir.

You could also hear:

• Hava mart ayında değişir.

Both are grammatical, but the emphasis changes slightly.

• Mart ayında hava değişir.
  emphasizes the time: In March, the weather changes.
• Hava mart ayında değişir.
  emphasizes the weather a bit more as the topic.

In normal teaching contexts, the original sentence is the best neutral pattern to learn.

A rough pronunciation is:

deh-YEE-sheer

A few notes:

• ğ in değişir usually is not pronounced like a hard g
• it often just lengthens or softens the vowel before it
• ş sounds like sh

So değişir is approximately: deh-yee-sheer

Not perfect English spelling, but close enough to help.

The dictionary form is değişmek, meaning to change.

Turkish dictionaries usually list verbs in the -mek / -mak infinitive form.

So:

• değişmek = to change
• değişir = changes / tends to change

Usually it sounds like March in general.

Because değişir is in the aorist, the sentence feels like a general observation or seasonal fact:

• In March, the weather changes.

If you wanted to describe a specific event happening now or in a particular year, Turkish would more likely use a different form, depending on the context.

Grammatically, hava can mean both air and weather. But in this sentence, the natural meaning is weather.

Why? Because with a time phrase like Mart ayında (in March), people usually understand it as a statement about seasonal weather patterns.

So although hava can mean air, here the weather changes is clearly the intended reading.