Weather in July
Temperature
July proves to be the warmest month in Saint Petersburg, recording an average peak temperature of 23°C (73.4°F) and a minimum temperature of 15°C (59°F).Humidity
In July, the average relative humidity in Saint Petersburg is 71%.Rainfall
In Saint Petersburg, in July, it is raining for 17 days, with typically 79mm (3.11") of accumulated precipitation. In Saint Petersburg, during the entire year, the rain falls for 173 days and collects up to 662mm (26.06") of precipitation.Snowfall
In Saint Petersburg, snow does not fall in May through September.Sea temperature
With an average sea temperature of 19°C (66.2°F), July is the month with the warmest seawater.Note: Most people do not enjoy swimming in water that is 19°C (66.2°F). Breathing becomes increasingly challenging as the water temperature dips under 21°C (69.8°F).
Daylight
In Saint Petersburg, the average length of the day in July is 17h and 55min.On the first day of July, sunrise is at 03:42 and sunset at 22:23. On the last day of the month, sunrise is at 04:38 and sunset at 21:31 MSK.
Sunshine
The average sunshine in July is 8.6h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 5 in July transforms into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
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Average temperature in July
Saint Petersburg, Russia
- Average high temperature in July: 23°C
The warmest month (with the highest average high temperature) is July (23°C).
The months with the lowest average high temperature are January and February (-3°C).
- Average low temperature in July: 15°C
The month with the highest average low temperature is July (15°C).
The coldest month (with the lowest average low temperature) is February (-8.5°C).
Average humidity in July
Saint Petersburg, Russia
- Average humidity in July: 71%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is May (65%).
Average rainfall in July
Saint Petersburg, Russia
- Average rainfall in July: 79mm
The wettest month (with the highest rainfall) is August (83mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in July
Saint Petersburg, Russia
- Average rainfall days in July: 17 days
The months with the highest number of rainy days are September and October (20 days).
The month with the least rainy days is February (7 days).
Average snowfall days in July
Saint Petersburg, Russia
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January, February and December (17 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in July
Saint Petersburg, Russia
- Average sea temperature in July: 19°C
The best month for swimming (with the highest average sea temperature) is July (19°C).
The coldest month (with the lowest average sea temperature) is February (-0.3°C).
Average daylight in July /
Average sunshine in July
Saint Petersburg, Russia
- Average daylight in July: 17h and 5min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in July: 8h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average UV index in July
Saint Petersburg, Russia
- Average UV index in July: 5
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 0).
Saint Petersburg, Russia
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