Average Rainy - Precipitation days in Leiden

With 186 days and 929 mm of annual rain/snow, Leiden has a moderate precipitation pattern. On this page, you can learn everything about the number of precipitation days.

Monthly Distribution of Rainy Days

The wettest month is August, with 14 rainy days bringing 93 mm of rain. In contrast, April sees 13 rainy days with 54 mm of rain.

Amsterdam Precipitation Days Compared World Wide

On average, Leiden receives over 186 days of precipitation annually. For comparison, here is some data from popular tourist destinations around the world:

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

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

In Athens, Greece, it rains around 70 days in the year; therefore, it is one of the driest Mediterranean cities, mainly dominated by winter rainfall.

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

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

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 Leiden, visit our Rainfall & Precipitation page.