Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Rostov-na-Donu features a humid continental climate (Dfa).Temperatures typically range between -1 °C (30 °F) and 25 °C (77 °F) through the year, but rarely can drop to -27 °C (-15 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 504 mm (19.8 inches) and receives 89 rainy days on the 1 mm (0.04 inches) threshold annually.Rostov-na-Donu enjoys an average of 3566 hours of sunshine throughout the year, and daylight varies from 8 hours 32 minutes to 15 hours 49 minutes per day.
The warmest months in Rostov-na-Donu are June, July and August, with daily mean temperatures ranging from 23 to 25 °C (73 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 1 °C (30 - 34 °F) throughout the day. On average each year, Rostov-na-Donu experiences 90 days above 25 °C (77.0 °F) and 88 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 10°C (51°F)  |  18°C (65°F)  |  22°C (73°F)  |  27°C (82°F)  |  31°C (89°F)  |  37°C (99°F)  |  39°C (103°F)  |  38°C (102°F)  |  35°C (95°F)  |  27°C (80°F)  |  21°C (70°F)  |  14°C (57°F)  |  
| Mean maximum | 8°C (47°F)  |  12°C (54°F)  |  16°C (61°F)  |  24°C (75°F)  |  29°C (85°F)  |  34°C (93°F)  |  36°C (98°F)  |  36°C (97°F)  |  33°C (92°F)  |  24°C (76°F)  |  17°C (63°F)  |  10°C (50°F)  |  
| Average high | 1°C (35°F)  |  3°C (37°F)  |  8°C (46°F)  |  16°C (61°F)  |  22°C (72°F)  |  28°C (83°F)  |  30°C (87°F)  |  31°C (87°F)  |  25°C (77°F)  |  17°C (63°F)  |  7°C (45°F)  |  3°C (38°F)  |  
| Daily mean | -1°C (30°F)  |  -0°C (32°F)  |  4°C (39°F)  |  11°C (52°F)  |  17°C (63°F)  |  23°C (73°F)  |  25°C (77°F)  |  24°C (76°F)  |  19°C (66°F)  |  12°C (54°F)  |  4°C (39°F)  |  1°C (34°F)  |  
| Average low | -4°C (26°F)  |  -3°C (26°F)  |  -1°C (31°F)  |  5°C (42°F)  |  11°C (53°F)  |  17°C (63°F)  |  19°C (66°F)  |  18°C (65°F)  |  13°C (55°F)  |  7°C (46°F)  |  1°C (33°F)  |  -1°C (30°F)  |  
| Mean minimum | -14°C (7°F)  |  -14°C (7°F)  |  -8°C (18°F)  |  -1°C (31°F)  |  5°C (41°F)  |  12°C (54°F)  |  14°C (58°F)  |  12°C (54°F)  |  4°C (40°F)  |  -1°C (31°F)  |  -9°C (17°F)  |  -9°C (16°F)  |  
| Minimum | -27°C (-15°F)  |  -21°C (-5°F)  |  -14°C (7°F)  |  -5°C (24°F)  |  3°C (37°F)  |  8°C (46°F)  |  12°C (54°F)  |  9°C (48°F)  |  3°C (37°F)  |  -5°C (22°F)  |  -11°C (12°F)  |  -16°C (3°F)  |  
Compare temperature, precipitation, sunshine, UV index in Rostov-na-Donu, Russian Federation with other places around the world.
Rostov-na-Donu usually has the most precipitation in February, May and December, with an average of 9 rainy days and 58 mm (2.3 inches) of precipitation per month.The driest months in Rostov-na-Donu are August, September and October. On average, 22 mm (0.9 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 46 (1.8) | 52 (2.1) | 49 (1.9) | 44 (1.7) | 63 (2.5) | 46 (1.8) | 41 (1.6) | 19 (0.8) | 22 (0.9) | 25 (1.0) | 38 (1.5) | 57 (2.3) | 
| Average precipitation days (≥ 1 mm) | 9 | 9 | 12 | 8 | 10 | 5 | 7 | 4 | 4 | 5 | 7 | 9 | 
The sunniest months in Rostov-na-Donu are June, July and August, when the sun shines an average of 13 hours 45 minutes a day.Least sunny months in Rostov-na-Donu: January, February and December receive an average of 4 hours 58 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 125 | 182 | 269 | 338 | 399 | 420 | 438 | 407 | 341 | 287 | 211 | 143 | 
| Mean daily daylight hours | 8h 57m | 10h 16m | 11h 55m | 13h 37m | 15h 5m | 15h 49m | 15h 26m | 14h 8m | 12h 30m | 10h 49m | 9h 20m | 8h 32m | 
Rostov-na-Donu experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Rostov-na-Donu UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 2 | 3 | 5 | 7 | 8 | 8 | 9 | 8 | 6 | 4 | 3 | 2 |