St Petersburg weather in May 2025

Q: How warm is it in St Petersburg in May?

Daytime temperatures usually reach 16°C in St Petersburg in May, falling to 6°C at night.

Q: How sunny is it in St Petersburg in May?

There are normally 9 hours of bright sunshine each day in St Petersburg in May - that's 49% of daylight hours.

Q: Is the sea cold around St Petersburg in May?

The average sea temperature around St Petersburg in May is -2°C.

Q: Does it rain in St Petersburg in May?

There are usually 12 days with some rain in St Petersburg in May and the average monthly rainfall is 40mm.

Expect 16°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in St Petersburg in May. Check more long-term weather averages for St Petersburg in May before you book your next holiday to Russia (Europe) in 2025/2026.

16
16°C max day temperature
9
9 hours of sunshine per day
12
12 days with some rainfall
6
6°C min night temperature
17
17 hours of daylight per day
0
No heat & humidity
40
40 mm of monthly rainfall
4
4 (Moderate) UV index
-2
-2°C sea temperature

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The May weather guide for Russia (Europe) (St Petersburg) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

How warm is it in St Petersburg in May?

Daytime temperatures usually reach 16°C in St Petersburg in May, falling to 6°C at night.

How sunny is it in St Petersburg in May?

There are normally 9 hours of bright sunshine each day in St Petersburg in May - that's 49% of daylight hours.

Is the sea cold around St Petersburg in May?

The average sea temperature around St Petersburg in May is -2°C.

Does it rain in St Petersburg in May?

There are usually 12 days with some rain in St Petersburg in May and the average monthly rainfall is 40mm.

St Petersburg May sunrise & sunset times

Browse the sunrise and sunset times for St Petersburg in May 2025. Select a month to view St Petersburg sunrise and sunset times for the next 12 months.

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