St. Petersburg - When to Visit

When to St. Petersburg

Climate guide & best times to travel

Monthly Climate Data for St. Petersburg Average temperature and rainfall by month Climate Overview -12°C -2°C 8°C 18°C 28°C Rainfall (mm) 0 43 86 Jan Jan: -2.0°C high, -7.0°C low, 46mm rain Feb Feb: -2.0°C high, -7.0°C low, 36mm rain Mar Mar: 2.0°C high, -4.0°C low, 36mm rain Apr Apr: 9.0°C high, 1.0°C low, 38mm rain May May: 16.0°C high, 7.0°C low, 48mm rain Jun Jun: 20.0°C high, 12.0°C low, 69mm rain Jul Jul: 23.0°C high, 15.0°C low, 84mm rain Aug Aug: 21.0°C high, 13.0°C low, 86mm rain Sep Sep: 15.0°C high, 9.0°C low, 56mm rain Oct Oct: 8.0°C high, 4.0°C low, 64mm rain Nov Nov: 2.0°C high, 0.0°C low, 56mm rain Dec Dec: 0.0°C high, -4.0°C low, 51mm rain Temperature Rainfall
St. Petersburg experiences a continental climate with distinct seasons and significant temperature variations throughout the year. The city has harsh, cold winters with temperatures well below freezing from December through March, while summers are mild and pleasant with temperatures reaching the low 70s°F. The city experiences relatively consistent humidity levels around 70% year-round, with precipitation patterns showing drier conditions in late winter and early spring, and wetter periods during summer months when rainfall peaks at 3.3-3.4 inches in July and August. Spring brings gradual warming from April through June, while fall sees a steady cooling trend from September through November. The extreme winter conditions make this a challenging destination during the coldest months, but the mild summers offer excellent weather for outdoor activities and sightseeing.

Best Time to Visit

Beach & Relaxation
June through August when temperatures are warmest (68-73°F), though expect higher rainfall during these months.
Cultural Exploration
May through September offer the most comfortable temperatures for walking and outdoor sightseeing, avoiding the harsh winter conditions.
Adventure & Hiking
May through September provide the best conditions with temperatures above freezing and longer daylight hours, though summer months will be wetter.
Budget Travel
November through March offer the lowest tourist crowds due to harsh winter weather, but require extensive cold-weather preparation.

Month-by-Month Guide

January

January is one of the harshest months with frigid temperatures and minimal daylight. High temperatures reach only 27°F with lows dropping to 19°F, requiring heavy winter clothing. Despite the cold, precipitation is relatively low at 1.8 inches.

27°F High
19°F Low
1.8 inches Rainfall
Low Crowds
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February

February continues the harsh winter pattern with similar frigid conditions to January. Temperatures remain well below freezing with highs of 27°F and lows of 18°F. This is the driest month of the year with only 1.4 inches of precipitation.

27°F High
18°F Low
1.4 inches Rainfall
Low Crowds
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March

March shows the first signs of spring with slightly warmer temperatures, though conditions remain quite cold. Highs reach 36°F while lows stay at 24°F, still requiring winter clothing. Precipitation remains low at 1.4 inches as the dry winter pattern continues.

36°F High
24°F Low
1.4 inches Rainfall
Low Crowds
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April

April brings more noticeable spring warming with temperatures finally rising above freezing consistently. Highs reach 49°F with lows of 35°F, making outdoor activities more feasible. Precipitation remains relatively low at 1.5 inches.

49°F High
35°F Low
1.5 inches Rainfall
Medium Crowds
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May

May offers pleasant spring weather with comfortable temperatures for sightseeing and outdoor activities. Highs reach 61°F with lows of 44°F, requiring only light layers. Rainfall increases slightly to 1.9 inches as the wetter season approaches.

61°F High
44°F Low
1.9 inches Rainfall
Medium Crowds
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June

June marks the beginning of the warmer season with very pleasant temperatures ideal for all activities. Highs reach 68°F with comfortable lows of 53°F. Rainfall increases to 2.7 inches as summer precipitation patterns begin.

68°F High
53°F Low
2.7 inches Rainfall
High Crowds
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July

July is the warmest month of the year with peak summer temperatures reaching 73°F and mild lows of 59°F. This is also the wettest month with 3.3 inches of rainfall, so visitors should be prepared for frequent showers despite the pleasant temperatures.

73°F High
59°F Low
3.3 inches Rainfall
High Crowds
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August

August continues the warm summer pattern with highs of 70°F and lows of 57°F, offering excellent weather for outdoor exploration. This is the wettest month of the year with 3.4 inches of rainfall, requiring rain gear for daily activities.

70°F High
57°F Low
3.4 inches Rainfall
High Crowds
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September

September begins the autumn cooling trend with still-pleasant temperatures of 60°F highs and 48°F lows. Rainfall decreases to 2.2 inches as the wet summer season transitions toward drier autumn conditions.

60°F High
48°F Low
2.2 inches Rainfall
Medium Crowds
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October

October brings crisp autumn weather with cooler temperatures requiring warmer clothing layers. Highs reach 47°F with lows of 39°F, and rainfall remains moderate at 2.5 inches as the season transitions toward winter.

47°F High
39°F Low
2.5 inches Rainfall
Medium Crowds
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November

November shows the approach of winter with significantly cooler temperatures and shorter days. Highs reach only 37°F with lows of 30°F, requiring winter clothing preparation. Rainfall is 2.2 inches as conditions become less favorable for tourism.

37°F High
30°F Low
2.2 inches Rainfall
Low Crowds
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December

December marks the beginning of the harsh winter season with temperatures dropping well below freezing. Highs reach only 31°F with lows of 23°F, requiring heavy winter gear. Precipitation is 2.0 inches, often falling as snow.

31°F High
23°F Low
2.0 inches Rainfall
Low Crowds
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Activities in St. Petersburg