Rostov-on-Don is warmest in August, averaging 33° by day and 19° at night. The wettest month is May with 68 mm, and the year brings about 552 mm in total.
Month by month
| Month | High | Low | Rain | Daylight | Good for |
|---|---|---|---|---|---|
| January | 2° | -6° | 53 mm | 8.7 h | Cool |
| February | 4° | -6° | 50 mm | 10.0 h | Cool |
| March | 9° | -1° | 31 mm | 11.6 h | Cool |
| April | 17° | 5° | 54 mm | 13.4 h | Sightseeing |
| May | 21° | 12° | 68 mm | 14.9 h | Sightseeing |
| June | 29° | 17° | 60 mm | 15.7 h | Beach weather |
| July | 33° | 19° | 40 mm | 15.4 h | Beach weather |
| August | 33° | 19° | 28 mm | 14.0 h | Beach weather |
| September | 26° | 13° | 27 mm | 12.3 h | Beach weather |
| October | 18° | 6° | 31 mm | 10.6 h | Sightseeing |
| November | 9° | -1° | 60 mm | 9.1 h | Cool |
| December | 3° | -4° | 50 mm | 8.3 h | Cool |
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: June, July, August and September — highs around 30°, nights no colder than 13°, and at most 60 mm of rain in a month.
Walking the city: April, May and October — highs of 17–21° and no more than 68 mm of rain a month.