St. Petersburg weather and climate
St. Petersburg weather and climate
Day
29 °C
Night
20 °C
Sea
27 °C
Precipitation
65 mm
in month
Rainy days
7 days
in month
Daylight
11 hours
average
Sunshine
8 hours
average
Humidity
74 %
Day
29 °C
Night
20 °C
Sea
27 °C
Precipitation
65 mm
in month
Rainy days
7 days
in month
Daylight
11 hours
average
Sunshine
8 hours
average
Humidity
74 %
Weather charts for St. Petersburg
We make the most from 40 years of historical weather data to predict the best weather conditions.
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Weather overview for St. Petersburg
Weather overview
St. Petersburg (United States of America) in general has a tropical climate. Temperatures during the day are in the range from 21.1 °C (70.0 °F) in January to 32.6 °C (90.7 °F) in August. Temperatures during the night go from 11.0 °C (51.8 °F) in January to 24.1 °C (75.4 °F) in August. The highest sea temperatures in St. Petersburg are in August with 29.8 °C (85.7 °F) and the lowest in February with 18.3 °C (64.9 °F). The driest month is April with just 4 days of rain, on the contrary, the month when it rains the most is August with 16 days of rain.
January weather
The day temperature is on its minimum, with its value being 21.1 °C (70.0 °F) in St. Petersburg, while the sea temperature descents similarly to the previous month, the value of this measure is 18.6 °C (65.5 °F). The number of rainy days rise's start could be observed, with its value of 6 days. The night temperature reaches its minimum, with its value being 11.0 °C (51.8 °F).
February weather
The day temperature rise's start could be observed, the value of this measure is 22.3 °C (72.1 °F) in St. Petersburg, while the minimum of the sea temperature is observable. The number of rainy days continues to rise, with its value being 7 days, while the beginning of the rise of the rainfall amount could be noticed in February. The night temperature starts to rise, with its value of 12.5 °C (54.5 °F). The beginning of the rise of the number of sun hours (without clouds) could be noticed in February.
March weather
The rise of the day temperature can be observed, the value of this measure is 24.4 °C (75.9 °F) in St. Petersburg, while the beginning of the rise of the sea temperature could be noticed, with its value of 19.7 °C (67.5 °F). The number of rainy days descent's start could be observed, its value is 6 days, while the rainfall amount continues to rise, its value is 89 mm (3.52 in). The night temperature rises similarly to the previous month, the value of this measure is 14.9 °C (58.8 °F). The maximum of the wind speed can be noticed, the value of this measure is 4.2.
April weather
The sea temperature continues to rise, with its value of 22.4 °C (72.2 °F) in St. Petersburg, and the rise of the day temperature can be observed too, the value of this measure is 27.1 °C (80.8 °F). The number of rainy days is on its minimum, the value of this measure is 4 days, and the rainfall amount reaches its minimum as well, with its value of 48 mm (1.91 in). The night temperature rises similarly to the previous month, its value is 17.2 °C (63.0 °F). The rise of the number of sun hours (without clouds) can be observed, with its value of 10 hours.
May weather
The tourist season slowly starts in St. Petersburg. The sea temperature rises similarly to the previous month, with its value being 25.5 °C (77.9 °F), and the day temperature continues to rise too, its value is 30.6 °C (87.1 °F). The rainfall amount starts to rise, and the beginning of the rise of the number of rainy days could be noticed as well, with its value of 7 days. The maximum of the number of sun hours (without clouds) can be noticed, with its value of 10 hours.
June weather
The tourist season continues in St. Petersburg. The rise of the day temperature can be observed, the value of this measure is 32.3 °C (90.1 °F), and the sea temperature continues to rise too, its value is 28.1 °C (82.5 °F). The rise of the rainfall amount can be observed, its value is 182 mm (7.18 in), and the number of rainy days rises similarly to the previous month as well, with its value being 12 days. The beginning of the descent of the number of sun hours (without clouds) could be noticed.
July weather
The wet season is at its beginning this month in St. Petersburg. The sea temperature rises similarly to the previous month, with its value being 29.5 °C (85.0 °F), and the night temperature rises similarly to the previous month as well, the value of this measure is 24.0 °C (75.2 °F). The number of rainy days rises similarly to the previous month, with its value of 14 days, and the rainfall amount rises similarly to the previous month too, the value of this measure is 188 mm (7.41 in). The wind speed is on its minimum, with its value being 2.8.
August weather
The maximum of the day temperature is observable, the value of this measure is 32.6 °C (90.7 °F) in St. Petersburg, and the sea temperature is on its maximum as well, the value of this measure is 29.8 °C (85.7 °F). The ongoing wet season is noticeable this month. The number of rainy days is on its maximum, its value is 16 days, and the maximum of the rainfall amount can be noticed too. The maximum of the night temperature can be noticed, with its value being 24.1 °C (75.4 °F).
September weather
The day temperature descent's start could be observed, its value is 31.6 °C (88.9 °F) in St. Petersburg, and the sea temperature descent's start could be observed as well, with its value being 29.0 °C (84.3 °F). The tourist season is about to start. The number of rainy days starts to descent, with its value of 12 days, and the rainfall amount starts to descent as well, with its value being 179 mm (7.05 in). The number of sun hours (without clouds) continues to descent, with its value of 8 hours.
October weather
The ongoing tourist season is noticeable in St. Petersburg. The descent of the day temperature can be observed, its value is 29.1 °C (84.4 °F), and the sea temperature descents similarly to the previous month as well, with its value of 26.7 °C (80.0 °F). The number of rainy days descents similarly to the previous month, with its value being 7 days, and the descent of the rainfall amount can be observed as well. The night temperature descents similarly to the previous month, with its value being 20.3 °C (68.5 °F).
November weather
The descent of the day temperature can be observed, with its value of 25.6 °C (78.1 °F) in St. Petersburg, and the sea temperature continues to descent too, with its value of 23.2 °C (73.8 °F). The number of rainy days descents similarly to the previous month, the value of this measure is 6 days, and the rainfall amount descents similarly to the previous month as well. The beginning of the descent of the number of sun hours (without clouds) could be noticed, with its value being 7 hours. The night temperature continues to descent, its value is 16.1 °C (61.0 °F).
December weather
The descent of the sea temperature can be observed, its value is 20.6 °C (69.1 °F) in St. Petersburg, and the day temperature continues to descent too, its value is 22.4 °C (72.3 °F). The beginning of the rise of the rainfall amount could be noticed, with its value being 64 mm (2.52 in). The night temperature descents similarly to the previous month, the value of this measure is 12.6 °C (54.7 °F). The number of sun hours (without clouds) is on its minimum, the value of this measure is 6 hours. The day length is on its minimum, with its value being 10 hours.
FAQs
Is March part of the dry season in St. Petersburg?
No, March is not a dry month in St. Petersburg, expect rain approximately 6 days in a month.
How many rainy days can I expect in St. Petersburg in April?
There are 4 days, which are rainy in April in St. Petersburg, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.0 days of the week, or in general - 14 % days.
Is it hot in St. Petersburg in May?
In May in St. Petersburg, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What is the sea temperature in St. Petersburg in June?
In St. Petersburg in June expect the sea to be warm at 28.1 °C (82.5 °F). This temperature is someone's dream come true, while for someone it may no longer be ideal for the purpose of refreshment.
What is the night temperature in July in St. Petersburg?
The average night temperature in July in St. Petersburg is 24.0 °C (75.2 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.
How many hours of sun to expect in August in St. Petersburg?
In August in St. Petersburg, you can expect around 8 hours of sunshine.
Is September part of the wet season in St. Petersburg?
No, there is no wet season in St. Petersburg in September - you can expect 12 days of rain during the month.
What temperature can I expect during the day in October in St. Petersburg?
In October in St. Petersburg, the average daily temperatures will be 29.1 °C (84.4 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
Is November a good month to visit St. Petersburg?
November is a good month to visit St. Petersburg. The temperature during the day will be nice 25.6 °C (78.1 °F). The seawater temperature reaches ideal 23.2 °C (73.8 °F). You can expect just 6 days of rain during the month, taking an umbrella is not necessary. The temperature of 16.1 °C (61.0 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
How windy is St. Petersburg in December?
In December in St. Petersburg, there will be an average wind scale of 3.5.