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Rostov-on-Don, Russia climate
Cfa Humid subtropical
Rostov-on-Don has a strongly seasonal cool-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is July with an average daily high near 86°F, while the coldest is January averaging around 22°F at night. Precipitation is fairly even year-round, totalling about 24 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsRostov-on-Don climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 31 | 34 | 46 | 62 | 74 | 82 | 86 | 85 | 73 | 59 | 44 | 35 |
| Avg temp (°F) | 27 | 29 | 39 | 53 | 63 | 71 | 76 | 75 | 64 | 51 | 38 | 30 |
| Avg low (°F) | 22 | 23 | 31 | 43 | 53 | 61 | 65 | 64 | 54 | 43 | 33 | 26 |
| Precipitation (in) | 2.3 | 1.9 | 2.0 | 1.5 | 2.3 | 2.4 | 1.9 | 1.7 | 1.8 | 2.0 | 2.0 | 2.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 31 | 34 | 46 | 62 | 74 | 82 |
| Avg temp (°F) | 27 | 29 | 39 | 53 | 63 | 71 |
| Avg low (°F) | 22 | 23 | 31 | 43 | 53 | 61 |
| Precipitation (in) | 2.3 | 1.9 | 2.0 | 1.5 | 2.3 | 2.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 86 | 85 | 73 | 59 | 44 | 35 |
| Avg temp (°F) | 76 | 75 | 64 | 51 | 38 | 30 |
| Avg low (°F) | 65 | 64 | 54 | 43 | 33 | 26 |
| Precipitation (in) | 1.9 | 1.7 | 1.8 | 2.0 | 2.0 | 2.4 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 15 | 12 | 12 | 9 | 9 | 8 | 7 | 5 | 7 | 9 | 10 | 13 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.4 | 5 | 9 | 9 | 0.6 | — | — | — |
| Days with low ≤ 32°F (days) | 26 | 22 | 16 | 2 | 0.1 | — | — | — | 0.0 | 3 | 13 | 22 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 15 | 12 | 12 | 9 | 9 | 8 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.4 | 5 |
| Days with low ≤ 32°F (days) | 26 | 22 | 16 | 2 | 0.1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 7 | 5 | 7 | 9 | 10 | 13 |
| Days with high ≥ 90°F (days) | 9 | 9 | 0.6 | — | — | — |
| Days with low ≤ 32°F (days) | — | — | 0.0 | 3 | 13 | 22 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 73 | 74 | 67 | 61 | 58 | 51 | 47 | 54 | 64 | 71 | 78 |
| Clear days (≤ 30% cloud) | 2 | 3 | 3 | 5 | 6 | 6 | 8 | 10 | 8 | 6 | 4 | 2 |
| Partly cloudy days (30–70%) | 8 | 8 | 8 | 8 | 11 | 12 | 14 | 13 | 10 | 9 | 8 | 7 |
| Cloudy days (≥ 70%) | 20 | 18 | 20 | 17 | 14 | 12 | 9 | 8 | 11 | 16 | 19 | 22 |
| Relative humidity (%) | 92 | 89 | 80 | 73 | 68 | 58 | 51 | 47 | 57 | 71 | 84 | 90 |
| Wind speed (mph) | 8.1 | 8.7 | 8.5 | 7.1 | 6.0 | 6.0 | 5.9 | 6.3 | 6.7 | 6.7 | 7.1 | 7.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 73 | 74 | 67 | 61 | 58 |
| Clear days (≤ 30% cloud) | 2 | 3 | 3 | 5 | 6 | 6 |
| Partly cloudy days (30–70%) | 8 | 8 | 8 | 8 | 11 | 12 |
| Cloudy days (≥ 70%) | 20 | 18 | 20 | 17 | 14 | 12 |
| Relative humidity (%) | 92 | 89 | 80 | 73 | 68 | 58 |
| Wind speed (mph) | 8.1 | 8.7 | 8.5 | 7.1 | 6.0 | 6.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 51 | 47 | 54 | 64 | 71 | 78 |
| Clear days (≤ 30% cloud) | 8 | 10 | 8 | 6 | 4 | 2 |
| Partly cloudy days (30–70%) | 14 | 13 | 10 | 9 | 8 | 7 |
| Cloudy days (≥ 70%) | 9 | 8 | 11 | 16 | 19 | 22 |
| Relative humidity (%) | 51 | 47 | 57 | 71 | 84 | 90 |
| Wind speed (mph) | 5.9 | 6.3 | 6.7 | 6.7 | 7.1 | 7.7 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 27 years of daily observations at Rostov-na-donu, a weather station, about 9 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.