Shiraz is warmest in July, averaging 39° by day and 20° at night. The wettest month is January with 65 mm, and the year brings about 260 mm in total.
Month by month
| Month | High | Low | Rain | Daylight | Good for |
|---|---|---|---|---|---|
| January | 12° | -0° | 65 mm | 10.3 h | Mild |
| February | 15° | 0° | 34 mm | 10.9 h | Mild |
| March | 19° | 3° | 34 mm | 11.8 h | Sightseeing |
| April | 24° | 8° | 27 mm | 12.7 h | Sightseeing |
| May | 30° | 13° | 9 mm | 13.5 h | Beach weather |
| June | 37° | 18° | 0 mm | 13.9 h | Very hot |
| July | 39° | 20° | 12 mm | 13.7 h | Very hot |
| August | 37° | 19° | 3 mm | 13.1 h | Very hot |
| September | 34° | 16° | 0 mm | 12.2 h | Beach weather |
| October | 28° | 12° | 9 mm | 11.3 h | Beach weather |
| November | 20° | 5° | 30 mm | 10.5 h | Sightseeing |
| December | 15° | 1° | 37 mm | 10.1 h | Mild |
High and low are average daily maximum and minimum, rain is typical monthly total, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER — averages, not promises.
When to go
Beach weather: May, September and October — highs around 31°, nights no colder than 12°, and at most 9 mm of rain in a month.
Walking the city: March, April and November — highs of 19–24° and no more than 34 mm of rain a month.
Serious heat: In June, July and August the average high reaches 39°.