August is typically the warmest month across Russia, with long daylight hours and generally pleasant conditions—peak tourist season for good reason.
| City | Avg High/Low | Rainfall | Daylight | Notes |
|---|---|---|---|---|
| Moscow | 23°C/13°C (73°F/55°F) | 85 mm | 15-17 hrs | Occasional heat waves (30°C+), thunderstorms |
| St. Petersburg | 21°C/12°C (70°F/54°F) | 75 mm | 17-19 hrs | "White Nights" ending; cultural festival season |
| Sochi | 28°C/19°C (82°F/66°F) | 105 mm | 14-16 hrs | Black Sea coast; humid, beach season peak |
| Novosibirsk | 22°C/11°C (72°F/52°F) | 55 mm | 17-19 hrs | Continental—bigger day/night swings |
| Vladivostok | 24°C/17°C (75°F/63°F) | 120 mm | 15-17 hrs | Pacific monsoon influence; fog, typhoon remnants possible |
| Yekaterinburg | 21°C/10°C (70°F/50°F) | 65 mm | 16-18 hrs | Urals; pleasant, low humidity |
| Irkutsk/Baikal | 20°C/8°C (68°F/46°F) | 60 mm | 16-18 hrs | Lake Baikal still cool; nights chilly |
Navy Day (last Sun Jul/early Aug), Spasskaya Tower Military Music Festival (Moscow), Scarlet Sails (St. Pete, late June but festivities continue), regional harvest festivals.