Average temperatures, rainfall and packing tips for Tehran, Iran in January
January in Tehran is typically cool, with average daytime highs around 12°C and nights near 2°C. It is one of the cooler months of Tehran's year.
Expect some rain: around 51 mm falls in Tehran during January on average.
If your dates are flexible, the most comfortable months in Tehran are usually April, May and October.
← Tehran weather tomorrow (live)
In January, Tehran averages a daytime high of about 12°C and a night-time low of around 2°C, based on recent historical data.
Expect some rain: around 51 mm falls in Tehran during January on average.
January is a workable time to visit Tehran, with cool days - just pack accordingly. If your dates are flexible, the most comfortable months in Tehran are usually April, May and October.