What to pack for St. Petersburg, year-round

St. Petersburg has 12 distinct packing realities. Pick the month you're traveling — each opens a full data-driven list:

• January -3.3°C · 21 rain days · 20 items Heavy layers
• February -1.5°C · 18 rain days · 20 items Heavy layers
• March 2.6°C · 18 rain days · 20 items Heavy layers
• April 8.9°C · 16 rain days · 20 items Heavy layers
• May 15.5°C · 17 rain days · 20 items Layered casual
• June 20.4°C · 19 rain days · 18 items Light + sun cover
• July 21.9°C · 22 rain days · 18 items Light + sun cover
• August 20.8°C · 21 rain days · 18 items Light + sun cover
• September 15.3°C · 20 rain days · 20 items Layered casual
• October 8°C · 21 rain days · 20 items Heavy layers
• November 2.2°C · 20 rain days · 20 items Heavy layers
• December -0.8°C · 20 rain days · 20 items Heavy layers