July weather forecast
Saint Petersburg, Russia

A stunning night panorama of the lit Kazan Cathedral in Saint Petersburg, Russia
A stunning night panorama of the lit Kazan Cathedral in Saint Petersburg, Russia

Weather in July

July in Saint Petersburg, Russia, is a moderately hot summer month, with an average temperature fluctuating between 15°C (59°F) and 23°C (73.4°F).

Temperature

The warmest month is July, with an average high-temperature of 23°C (73.4°F) and an average low-temperature of 15°C (59°F).

Humidity

In July, the average relative humidity is 71%.

Rainfall

In Saint Petersburg, in July, during 17 rainfall days, 79mm (3.11") of precipitation is typically accumulated. In Saint Petersburg, Russia, during the entire year, the rain falls for 173 days and collects up to 662mm (26.06") of precipitation.

Snowfall

May through September are months without snowfall in Saint Petersburg.

Sea temperature

The month with the warmest seawater in Saint Petersburg, Russia, is July, with an average sea temperature of 19°C (66.2°F).
Note: For swimming, a surface water temperature of 19°C (66.2°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

In July, the average length of the day is 17h and 55min.
On the first day of the month, sunrise is at 03:41 and sunset at 22:23. On the last day of July, sunrise is at 04:37 and sunset at 21:32 MSK.

Sunshine

In July, the average sunshine 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 vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in July transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Saint Petersburg?

July is the warmest month in Saint Petersburg, with an average high-temperature of 23°C (73.4°F) and an average low-temperature of 15°C (59°F).

What is the temperature in July in Saint Petersburg?

In Saint Petersburg, in July, the average high-temperature is 23°C (73.4°F), and the average low-temperature is 15°C (59°F).

What is the average humidity in July in Saint Petersburg?

The average relative humidity in July in Saint Petersburg, Russia, is 71%.

How much does it rain in Saint Petersburg in July?

In July, the rain falls for 17 days. Throughout July, 79mm (3.11") of precipitation is accumulated.

When it does not snow in Saint Petersburg?

In Saint Petersburg, snow does not fall in May through September.

When is the sea warmest in Saint Petersburg?

With an average sea temperature of 19°C (66.2°F), July is the month with the warmest seawater in Saint Petersburg, Russia.

What is the sea water temperature in July in Saint Petersburg?

In Saint Petersburg, Russia, in July, the average water temperature is 19°C (66.2°F). Swimming in 19°C (66.2°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Saint Petersburg have in July?

In July, the average day length in Saint Petersburg is 17h and 55min.

When is the sunrise / sunset in July in Saint Petersburg?

In July, on the first day of the month, sunrise is at 03:41 and sunset at 22:23. On the last day of the month, sunrise is at 04:37 and sunset at 21:32 MSK.

How long on average sun shines in July in Saint Petersburg?

In Saint Petersburg, the average sunshine duration in July is 8.6h.

When is the highest UV index in Saint Petersburg?

The months with the highest UV index in Saint Petersburg are June and July, with an average maximum UV index of 5.

What is the UV index reading in July in Saint Petersburg?

The average daily maximum UV index in July in Saint Petersburg, Russia, is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average UV index

Average temperature in July
Saint Petersburg, Russia

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).

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Average humidity in July
Saint Petersburg, Russia

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%).

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Average rainfall in July
Saint Petersburg, Russia

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).

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Average rainfall days in July
Saint Petersburg, Russia

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).

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Average snowfall days in July
Saint Petersburg, Russia

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).

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Average sea temperature in July
Saint Petersburg, Russia

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).

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Average daylight in July /
Average sunshine in July
Saint Petersburg, Russia

Average daylight in July / Average sunshine in July - Saint Petersburg, Russia
  • Average daylight in July: 17h and 55min

The month with the longest days is June (Average daylight: 18h and 41min).
The month with the shortest days is December (Average daylight: 6h and 4min).

  • Average sunshine in July: 8h and 36min

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).

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Average UV index in July
Saint Petersburg, Russia

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).

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