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St. Petersburg in May: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in St. Petersburg in May will be like? Take a look at our weather guide for St. Petersburg, based on historical data.
Check flight prices to St. Petersburg on Avionero:
May

Weather in St. Petersburg in May 2024

Good Weather
Mild
☀️
Sunny
Planning a trip to St. Petersburg in May? You are in luck! The weather is generally good, with an average maximum temperature of +59°F and approximately 12 sunny days. Just be prepared for some rain, as there are usually around 7 rainy days and 52 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.
Good to know:
  • May is usually the driest month of the year in St. Petersburg

Average weather

☀️
+59°F
Avg. max. temperature
+25°F
Min.
+91°F
Max.
52 mm
Total precipitation
64%
Avg. humidity
2 m/s
Avg. wind
12 ☀️
Sunny Days
12 ⛅️
Cloudy
7 🌦
Rainy
Our opinion: St. Petersburg has good weather in May.

Average temperature in St. Petersburg in May

Here are the expected maximum, average and minimum temperatures in St. Petersburg for May based on the historical data.
Last Year
Historical Data

Going from a maximum of +68°F during the day to a minimum of +34°F during the night, the temperature in May averages around +55°F.

The average maximum temperature goes up 47% by the end of the month, compared with the beginning of the month, from +48°F to +64°F.

Is St. Petersburg warm or cold in May?

St. Petersburg is typically mild in May.

Maximum temperatures go up compared to the previous month from +48°F to +59°F. The minimum temperature also goes up from +32°F to +41°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how May is compared to other months in St. Petersburg:

Climate in St. Petersburg in May

St. Petersburg weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+48°F+59°F+66°F
Min. temperature
+7°F+25°F+34°F
Max. temperature
+77°F+91°F+93°F
Rainfall
25 mm52 mm75 mm
Wind
2 m/s2 m/s2 m/s
Humidity
68%64%68%
Air pressure
1012 HPa1013 HPa1010 HPa
Sunny days
101210
Cloudy days
161211
Rainy days
379
Snowy days
100

May weather is still as good as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +48°F to +59°F during the day. Prepare for more rain. Average rainfall goes from 25 mm to 52 mm. It feels drier, as humidity decreases from 68% to 64%. The average wind speed doesn’t change much during May, staying around 2 m/s. The good news is there are likely to be more sunny days in May, from 10 to 12.

June brings much the same weather, it remains good.

Wind

Wind speed in St. Petersburg in May based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in St. Petersburg is gradually increasing during May, going from 4 m/s to 5 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in St. Petersburg based on historical data.
Last Year
Historical Data
Total precipitation in May is about 57 mm, with a 39% chance of rain on a typical day. The maximum amount of rainfall per day is around 9 mm, which is considered light rain. May is a pretty wet month with over 12 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
St. Petersburg wettest month is August, where a typical day has a 32% chance of precipitation and 85 mm of rainfall per day. January, on the other hand, is the driest month with a mere 3% chance of precipitation and 7 mm of rainfall per day.

How was the weather last May in St. Petersburg?

This is the weather in St. Petersburg in May 2023:
1 May
☀️
+48°F
2 May
☀️
+54°F
3 May
☁️
+46°F
4 May
☀️
+42°F
5 May
☀️
+52°F
6 May
☀️
+61°F
7 May
☀️
+66°F
8 May
☁️
+48°F
9 May
☀️
+49°F
10 May
☀️
+59°F
11 May
☀️
+62°F
12 May
🌧️
+60°F
13 May
☀️
+55°F
14 May
☀️
+56°F
15 May
☁️
+51°F
16 May
🌧️
+49°F
17 May
☁️
+46°F
18 May
☀️
+53°F
19 May
☀️
+53°F
20 May
☀️
+53°F
21 May
☀️
+55°F
22 May
☀️
+52°F
23 May
☀️
+60°F
24 May
☀️
+60°F
25 May
☀️
+63°F
26 May
🌧️
+55°F
27 May
🌧️
+54°F
28 May
🌧️
+56°F
29 May
🌧️
+58°F
30 May
☀️
+68°F
31 May
☀️
+64°F
In May 2023 St. Petersburg had 21 sunny days, 4 cloudy days, and 6 rainy days. The average maximum temperature was +55°F, with an absolute maximum of +68°F and a minimum of +43°F. The average humidity was 64%, with a maximum of 93% and a minimum of 23%. The average wind speed was 4 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change Over the Years

This is how St. Petersburg climate has changed over the last 43 years.

The climate in St. Petersburg in May has not changed that much over the last 43 years.

The average temperature was the lowest in 1980 (+53°F) and the highest in 2016 (+77°F). The driest year was 2017 with only 13 mm of rainfall, and the wettest year was 2014 with 144 mm.

FAQ

Frequently asked questions about the weather in St. Petersburg in May:

Is May a good time to visit St. Petersburg?

May is a really good time to go to St. Petersburg. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit St. Petersburg.

Can you sunbathe in St. Petersburg in May?

May has mild temperatures in St. Petersburg. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is St. Petersburg rainy in May?

St. Petersburg is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in St. Petersburg in May?

The amount of sunny days in St. Petersburg during May varies; prepare for a mix of clouds and sun.

Other cities in Russia

Check out the weather for other cities in Russia.

Monthly weather in St. Petersburg

Source of the data

For this page, we’ve looked at the typical weather in St. Petersburg, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.