På vintern är det kallt ute.

to be

Breakdown of På vintern är det kallt ute.

• det: it
• ute: outside
• på: in

Questions & Answers about På vintern är det kallt ute.

Why is it på vintern and not i vintern?

With seasons, Swedish normally uses på to express something that is generally true during that season:

• på vintern – in (the) winter / during winter
• på sommaren – in (the) summer
• på hösten, på våren – in (the) autumn, in (the) spring

I vintern is not used in standard Swedish. You can say i vinter (without -n) but that means this coming winter / this winter (a specific winter), not winter in general.

So:

• På vintern är det kallt ute. = In winter (as a rule), it’s cold outside.
• I vinter blir det säkert kallt. = This coming winter, it will probably be cold.

Why is it vintern (definite) and not just vinter?

Vintern is the definite form: vinter (winter) → vintern (the winter).

Swedish often uses the definite form to talk about something in general when it’s a unique period or concept, like seasons, parts of the day, or body parts:

• På vintern är det kallt. – In winter, it’s cold.
• På sommaren badar vi. – In summer, we go swimming.
• På kvällen är jag trött. – In the evening, I’m tired.

Using bare vinter here (på vinter) is ungrammatical. For a general seasonal statement, you need på vintern (the winter, in general).