Weather in Mashhad

Mashhad is in Iran at 36.3°N. The 2001–2020 NASA POWER daily record describes a dry, semi-arid climate. July is the warmest month (average 23.7°C, high 31.4°C) and January is the coolest (average 0.5°C, low -5.0°C).

Rain is a year that totals only 186 mm of rain. The wettest month is March at 42 mm; the driest is August at 1 mm. On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are June, July, and August.

Hot and cool months in Mashhad

Mashhad has a 23.2°C gap between its coolest monthly average (0.5°C in January) and its warmest (23.7°C in July). That is a northern-hemisphere pattern.

Across the year the mean afternoon high is 19.4°C. If you want the smallest day–night shock, look at months where the high and low sit close together; July nights still hold 16.0°C.

When Mashhad gets wet

Mashhad is dry. The whole year adds up to 186 mm. March is the “wet” month at 42 mm; August drops to 1 mm.

Humidity peaks near 67%. That usually lines up with the wetter months rather than the hottest ones.

What stands out month by month

The year bottoms out in January. Plan for -5.0°C at night and 5.9°C in the afternoon. February stands apart from the months beside it: 8.2°C / -4.0°C and 28 mm. March is the wettest month — 42 mm and 8 rainy days, with 61% humidity. In April, Mashhad averages 19.5°C by day and 4.9°C at night, with 31 mm of rain. May: 25.5°C high, 10.3°C low, 18 mm rain, 45% humidity. June stands apart from the months beside it: 30.1°C / 14.0°C and 3 mm.

Peak heat arrives in July: 31.4°C by day, 16.0°C at night, and 26% humidity. August is the driest month, averaging only 1 mm across 0 rainy days. Highs sit near 30.1°C. September: 26.7°C high, 10.5°C low, 2 mm rain, 27% humidity. October brings 7 mm and 2 rainy days; temperatures run from 5.6°C to 21.0°C. November stands apart from the months beside it: 12.7°C / -0.1°C and 18 mm. December: 7.6°C high, -3.5°C low, 15 mm rain, 65% humidity.

When the score favours a visit

The three months with the highest comfort score are June, July, and August: June (22.0°C average, 3 mm, 30% humidity); July (23.7°C average, 2 mm, 26% humidity); August (22.2°C average, 1 mm, 25% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you prefer the hottest stretch, that is July. The coolest stretch is January.

Mashhad and other cities in Iran

Tehran is about 739 km away: Mashhad is 6.9°C cooler than Tehran in its hottest month and 125 mm drier over the year than Tehran. Tehran’s wettest month is November (45 mm) versus March here.

Karaj is about 776 km away: Mashhad is 3.1°C warmer than Karaj in its hottest month and 323 mm drier over the year than Karaj. Karaj’s wettest month is November (80 mm) versus March here.

Isfahan is about 832 km away: Mashhad is 5.1°C cooler than Isfahan in its hottest month and a similar annual rainfall (164 mm in Isfahan). Isfahan’s wettest month is March (28 mm) versus March here.