Average Rainy - Precipitation days in Hong Kong

Over the course of the year, Hong Kong experiences 1791 mm of rain across 137 days. On this page you will discover more about the number of precipitation days.

Monthly Distribution of Rainy Days

June is usually the wettest with 330 mm of rain over 19 rainy days, whereas January averages 32 mm during its 6 rainy days.

Amsterdam Precipitation Days Compared World Wide

Hong Kong's average annual precipitation falls over 137 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.

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.

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

In Brisbane, Australia, the city averages 123 precipitation days per year, making it wetter than Sydney.

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 Hong Kong, visit our Rainfall & Precipitation page.