Similar Climates › City Pairings › Tehran ≈ Las Vegas
City Pairings
loose match
Tehran, Iran and Las Vegas, Nevada are a loose climate match — 11,905 km (7,397 mi) apart. Tehran is Köppen zone BSk; Las Vegas is BWh.
See Tehran on the interactive map →Tehran is classed cold steppe (BSk) while Las Vegas is hot desert (BWh) — different Köppen labels, but January and July still land close enough to pair. Roughly 11,905 km (7,397 mi) separates them — far enough that Las Vegas feels like another continent, close enough on the climate numbers to stand in for Tehran.
It is a loose match: useful as a climate analogue for Tehran, though not a perfect copy. January means differ by 6°C (Las Vegas warmer); July by 3°C (Las Vegas warmer). Rainfall shifts more: Las Vegas is 24 mm drier in January.
Sunshine stays close: Las Vegas at 10.8 h/day on average versus 10.7 h/day in Tehran (January 8.5 h / 8.5 h, July 13.2 h / 12.8 h). Air quality: mean PM2.5 is 8 µg/m³ in Las Vegas vs 26 in Tehran (lower by 19 µg/m³). Dew points differ modestly (January -3°C vs -3°C; July 7°C vs 10°C).
January & July · °C and mm
Compare Tehran and Las Vegas month by month on the interactive map →
See Las Vegas's climate twin on its own page.
On Similar Climates, Las Vegas, Nevada is the closest distant match for Tehran, Iran — scored loose, about 11,905 km (7,397 mi) away.
Tehran and Las Vegas are separated by roughly 11,905 km (7,397 mi) on the great-circle route.
Yes — both cities are in the same hemisphere, so summer and winter fall in the same calendar months.
No — Tehran is cold steppe (BSk) and Las Vegas is hot desert (BWh), but the January and July numbers still align closely enough to pair.
Tehran has a cold steppe climate (BSk). January averages a high of 9°C and a low of -1°C with 37 mm of rain; July averages 37°C / 25°C and 1 mm.
Tehran averages about 8.5 hours of sunshine a day in January and 12.8 hours in July.
January PM2.5 averages about 33.8 µg/m³ (US AQI 100); July averages 19.1 µg/m³ (US AQI 78).
Other close climate matches for Tehran: Tunis (loose), Dallas (loose), Tashkent (loose).
All cold steppe (BSk) cities on Similar Climates →
Explore Tehran and Las Vegas on the interactive map →