Average Rainy - Precipitation days in Philadelphia (PA)

With 127 days and 1272 mm of annual rain/snow, Philadelphia (PA) has a moderate precipitation pattern. On this page, you can learn everything about the number of precipitation days.

Monthly Distribution of Rainy Days

August is usually the wettest with 132 mm of rain over 10 rainy days, whereas November averages 78 mm during its 10 rainy days.

Amsterdam Precipitation Days Compared World Wide

Philadelphia's average annual precipitation falls over 127 days. Let's compare this to some popular worldwide tourist destinations:

In Riyadh, Saudi Arabia, there are about 29 precipitation days annually, reflecting its dry desert environment.

In Bogotá, Colombia, there are around 188 precipitation days annually, typical for its high-altitude tropical climate.

In Barcelona, Spain, there are approximately 121 precipitation days per year, evenly distributed across the year with no extreme wet or dry seasons.

In Toronto, Canada, there are about 126 precipitation days per year, with snowfall occurring in winter and rainfall in summer.

Osaka, Japan, experiences 198 precipitation days annually, with wetter summers compared to winter.

Adelaide, Australia, records about 86 precipitation days per year, with dry summers and wet winters.

Fun facts about Rain from Around the World

Let’s explore more fascinating precipitation records:

• Tutunendo, Colombia, gets about 340 days of rain every year, which arguably makes it the wettest place in the world.
• On Réunion Island, a tropical cyclone generated 1825 mm in just 24 hours.
• Singapore receives thunder on 167 days in the year and is considered one of the most thunderous cities in the world.
• The smallest drops that fall are called drizzle drops, and they have a diameter of 0.5 mm.
• Some heavy storms generate "diamond dust," which consists of very small ice crystals that float in the air.

For more detailed information about rainfall patterns in Philadelphia (PA), visit our Rainfall & Precipitation page.