Tehran
Iran · Middle East
Year-round range: 31°F to 98°F
May
Excellent conditions this month
Your monthly fit score
Comfort fit by month.
Climate details▼
Temperature
Average highs and lows.
May is warm and sunny — good for being outdoors.
Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.
| = MayPrecipitation
Monthly precipitation, wet-day risk, and snow signal where relevant.
May has moderate rainfall — occasional showers but mostly manageable.
Sunshine
Average hours of bright sun per day.
May is one of the sunniest months — great for outdoor plans.
Clear sky
Clear-sky share is the inverse of average cloud cover (100% minus cloud cover). Band labels follow standard meteorological categories; distribution within each band varies by day.
Air comfort by month
Humidity and heat feel by month.
May stays comfortable — humidity stays low, though afternoons turn warm.
Time-of-day patterns
Typical hourly rhythm for May.
Temperature by hour
Temperature by hour and month
Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.
In May, afternoons reach about 78° and nights settle near 64°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity |
|---|---|---|---|---|---|---|
| Jan | 51°F | 31°F | 8 | 1.3in | 7.2h | 50.285714285714285% |
| Feb | 52°F | 37°F | 7 | 1.4in | 7.7h | 51.42857142857143% |
| Mar | 63°F | 46°F | 7 | 1.7in | 8.2h | 48.28571428571428% |
| Apr | 74°F | 52°F | 7 | 1.3in | 9h | 41.14285714285714% |
| May | 85°F | 62°F | 4 | 0.6in | 11h | 29.999999999999996% |
| Jun | 94°F | 72°F | 2 | 0.1in | 13h | 21.142857142857142% |
| Jul | 98°F | 78°F | 2 | 0.1in | 13h | 22.285714285714285% |
| Aug | 96°F | 75°F | 1 | 0.1in | 12.9h | 22.285714285714285% |
| Sep | 89°F | 69°F | 1 | 0.2in | 11.4h | 23.14285714285714% |
| Oct | 77°F | 58°F | 6 | 0.5in | 10h | 33.14285714285714% |
| Nov | 62°F | 45°F | 8 | 1.3in | 7.5h | 49% |
| Dec | 53°F | 35°F | 8 | 1.2in | 6.9h | 52.42857142857142% |