Average Rainy - Precipitation days in Hanko

Over the course of the year, Hanko experiences 739 mm of rain/snow across 171 days. On this page you will discover more about the number of precipitation days.

Monthly Distribution of Rainy Days

Precipitation peaks in October with 91 mm falling over 16 rainy days. The driest period is May, receiving 36 mm across 10 rainy days.

Amsterdam Precipitation Days Compared World Wide

On average, Hanko receives over 171 days of precipitation annually. For comparison, here is some data from popular tourist destinations around the world:

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

Singapore, Singapore, records about 175 precipitation days per year, with rain spread fairly evenly throughout the year.

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

Chicago, USA, has 133 precipitation days annually, with a mix of rain and snow.

In Shanghai, China, there are approximately 147 precipitation days per year, with a humid subtropical climate.

In Tokyo, Japan, the city sees around 181 precipitation days annually, with significant summer rains due to typhoon season.

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 Hanko, visit our Rainfall & Precipitation page.