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Weather in April
Temperature
As Saint Petersburg transitions into April, a rise in the average high-temperature is observed, moving from a wintry 2°C (35.6°F) in March to a frosty 9.3°C (48.7°F). During the nights in April, an average low-temperature of 1.5°C (34.7°F) is observed.Humidity
In Saint Petersburg, the average relative humidity in April is 69%.Rainfall
April is the month with the least rainfall in Saint Petersburg, Russia. Rain falls for 13 days and accumulates 31mm (1.22") of precipitation.Snowfall
Months with snowfall in Saint Petersburg are January through April, October through December. April is the last month it regularly snows in Saint Petersburg. Throughout April, there are 3 snowfall days. Throughout the year, in Saint Petersburg, there are 75 snowfall days.Sea temperature
In Saint Petersburg, in April, the average water temperature is 1.1°C (34°F).Note: When swimming, this is deemed life-endangering and extremely risky. The painful cold water instigates fast-paced hyperventilation. Wearing a specialized swimsuit is necessary to lessen thermal harm.
Daylight
In April, the average length of the day in Saint Petersburg is 14h and 37min.On the first day of the month, sunrise is at 06:22 and sunset at 19:42. On the last day of April, in Saint Petersburg, sunrise is at 04:57 and sunset at 20:53 MSK.
Sunshine
The average sunshine in April is 6h.UV index
The average daily maximum UV index in April in Saint Petersburg is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 3 in April interprets into the following advice:
Undertake precautions - Guarding against sun damage is counselled. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What is the usual temperature for Saint Petersburg in April?
What is the average humidity in April in Saint Petersburg?
What is the driest month in Saint Petersburg?
How much does it rain in Saint Petersburg in April?
What is the last month it snows in Saint Petersburg?
What is the water temperature in April in Saint Petersburg?
What is the average length of the day in April in Saint Petersburg?
When are sunrise and sunset in April in Saint Petersburg?
How many hours of sunshine does Saint Petersburg have in April?
How high is the UV index in April in Saint Petersburg?
Average temperature in April
Saint Petersburg, Russia
- Average high temperature in April: 9.3°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 April: 1.5°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 April
Saint Petersburg, Russia
- Average humidity in April: 69%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is May (65%).
Average rainfall in April
Saint Petersburg, Russia
- Average rainfall in April: 31mm
The wettest month (with the highest rainfall) is August (83mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in April
Saint Petersburg, Russia
- Average rainfall days in April: 13 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 April
Saint Petersburg, Russia
- Average snowfall days in April: 3 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 April
Saint Petersburg, Russia
- Average sea temperature in April: 1.1°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 April /
Average sunshine in April
Saint Petersburg, Russia
- Average daylight in April: 14h and 4min
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 April: 6h and 0min
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 April
Saint Petersburg, Russia
- Average UV index in April: 3
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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