Saint Petersburg weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Excellent
Best time to visit: June – August
What is the weather like in Saint Petersburg in July?
In July, Saint Petersburg is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. The sea averages 19.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 9 hours a day. Rain is frequent, with about 12 rainy days and 69 mm in total. All in all, July is an excellent month for a holiday in Saint Petersburg.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 18 h 7 min04:01 – 22:08
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 60 %on averageAll months
- Hot days
- 1 day30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+3Europe/Moscow
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %93 %
- Few rainy daysweight 30 %44 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in July
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Saint Petersburg in July: quick answers
Is Saint Petersburg hot in July?
Warm rather than hot: in July, daytime highs in Saint Petersburg average 22 °C and nights cool to about 15 °C.
Can you swim in Saint Petersburg in July?
Only if you don't mind cold water: in July the sea averages just 19.3 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Saint Petersburg in July?
Rain is frequent, with about 12 rainy days and 69 mm in total.
Saint Petersburg month by month
The whole year in Saint PetersburgAll destinations: RussiaWhere to go in JulySea temperature in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences