St.-Petersburg (Saint Petersburg)
May
Weather in St.-Petersburg for May 2026
Your guide to St.-Petersburg weather in May - trends and predictions
Thunderstorm Warning - See hour by hour.
With an average of 5 snowy days, St.-Petersburg usually enjoys a light touch of snow in May.
According to St.-Petersburg snow forecast for May 2026, no snow is expected in the next 2 weeks.So far, May 2026 in St.-Petersburg shows a warmer trend than usual by 3.1 °C.
The forecast for the coming days of May 2026 predicts a temperature of 18.6 °C , which is warmer than usual.
In general, the average temperature in St.-Petersburg at the beginning of May is 10 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.7 °C by the end of May.
Official Weather Alert ⚠️
Snow Forecast ❄️
Temperatures
11
Dry days
15
Rainy days
5
Snow days
15°/5°
Temperatures
17 km/h
Avg max wind
67 %
Avg humidity
St.-Petersburg Weather May
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Temperatures trend during May in St.-Petersburg
See the weather trend as well as the moving average line
May weather in St.-Petersburg day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 May |  Overcast | 10° /1° | 0 mm | 0 cm | |
| 2 May |  Patchy rain possible | 14° /2° | 1.9 mm | 0 cm | |
| 3 May | Patchy rain possible | 11° /4° | 1.6 mm | 0 cm | |
| 4 May | Patchy rain possible | 12° /3° | 2.4 mm | 0 cm | |
| 5 May | Patchy rain possible | 8° /1° | 0.9 mm | 0.1 cm | |
| 6 May | Patchy rain possible | 7° /0° | 2.1 mm | 0.5 cm | |
| 7 May | Overcast | 8° /0° | 2.1 mm | 1.2 cm | |
| 8 May | Overcast | 9° /0° | 0.8 mm | 0.5 cm | |
| 9 May |  Partly cloudy | 11° /1° | 0 mm | 0 cm | |
| 10 May | Overcast | 12° /2° | 0.2 mm | 0 cm | |
| 11 May | Patchy rain possible | 13° /3° | 0.3 mm | 0.1 cm | |
| 12 May | Overcast | 15° /3° | 0 mm | 0 cm | |
| 13 May | Patchy rain possible | 20° /9° | 0.9 mm | 0 cm | |
| 14 May | Patchy rain possible | 17° /9° | 0.3 mm | 0 cm | |
| 15 May | Overcast | 14° /8° | 0 mm | 0 cm | |
| 16 May | Overcast | 19° /10° | 0.1 mm | 0 cm | |
| 17 May | Partly cloudy | 20° /11° | 0.1 mm | 0 cm | |
| 18 May | Patchy rain possible | 23° /12° | 1.6 mm | 0 cm | |
| 19 May | Patchy rain possible | 27° /14° | 0.9 mm | 0 cm | |
| 20 May | Patchy rain possible | 20° /14° | 2.1 mm | 0 cm | |
| 21 May |  Sunny | 20° /12° | 0 mm | 0 cm | |
| 22 May | Sunny | 18° /8° | 0 mm | 0 cm | |
| 23 May | Patchy rain possible | 15° /9° | 1.1 mm | 0 cm | |
| 24 May | Sunny | 17° /9° | 0 mm | 0 cm | |
| 25 May | Sunny | 17° /7° | 0 mm | 0 cm | |
| 26 May | Partly cloudy | 14° /8° | 0 mm | 0 cm | |
| 27 May | Patchy rain possible | 19° /8° | 1.4 mm | 0 cm | |
| 28 May | Sunny | 21° /9° | 1 mm | 0 cm | |
| 29 May | Patchy rain possible | 20° /11° | 4 mm | 0 cm | |
| 30 May | Partly cloudy | 19° /10° | 1.9 mm | 0 cm | |
| 31 May |  Moderate rain at times | 21° /9° | 1.7 mm | 0 cm | |
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Important Notice
Our weather forecast for St.-Petersburg in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the St.-Petersburg forecast closer to your planned date for the most up-to-date weather information.
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St.-Petersburg in May - FAQ
What are the expected maximum and minimum temperatures in St.-Petersburg during May?
During May, expect a variety of temperatures with highs around 15° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in St.-Petersburg during May?
In May, St.-Petersburg can expect light to moderate rainfall, totaling 47.9 mm across approximately 15 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in St.-Petersburg in May 2026?
St.-Petersburg experiences an average snowfall of 3.24333 cm during May, occurring over 5 days.
What are the typical wind conditions in St.-Petersburg during May?
The average wind speed in St.-Petersburg during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
St.-Petersburg snow forecast May 2026
Track daily snowfall levels and discover St.-Petersburg’s snowy potential this May ❄️
On average, St.-Petersburg sees 5 snowy days during May, with approximately 3.2 cm of total snowfall.
May rainfall patterns in St.-Petersburg
Explore the daily rainfall trends and prepare for St.-Petersburgs May weather 💧
Typically, St.-Petersburg has 15 rainy days in May with a total of 47.9 mm of rainfall.
UV exposure in St.-Petersburg during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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