Average Rainy - Precipitation days in San Juan

San Juan sees 206 days of precipitation annually, totaling to 1164 mm of rain. Learn more about it on this page.

Monthly Distribution of Rainy Days

Precipitation peaks in August with 156 mm falling over 22 rainy days. The driest period is March, receiving 32 mm across 9 rainy days.

Amsterdam Precipitation Days Compared World Wide

San Juan's average annual precipitation falls over 206 days. Let's compare this to some popular worldwide tourist destinations:

Las Vegas, USA, gets about 26 precipitation days annually, which is typical for its arid desert climate.

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

Seville, Spain, experiences 103 precipitation days annually, with wet winters and dry summers typical of southern Spain.

The climate in San Francisco, USA, sees around 70 precipitation days annually, mostly during the winter months.

Buenos AiresBuenos Aires, Argentina, has around 92 precipitation days annually, mostly during the summer months.

Perth, Australia, sees approximately 103 precipitation days annually, mostly during the winter months.

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 San Juan, visit our Rainfall & Precipitation page.