Average Rainy - Precipitation days in Altona

Over the course of the year, Altona experiences 1006 mm of rain across 209 days. On this page you will discover more about the number of precipitation days.

Monthly Distribution of Rainy Days

September is usually the wettest with 148 mm of rain over 18 rainy days, whereas March averages 33 mm during its 14 rainy days.

Amsterdam Precipitation Days Compared World Wide

Altona's average annual precipitation falls over 209 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 Kuala Lumpur, Malaysia, the city experiences around 212 precipitation days annually, consistent with its tropical rainforest climate.

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

Boston, USA, experiences 134 precipitation days annually, including significant snow during winter.

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

Melbourne, Australia, has about 120 precipitation days annually, spread fairly evenly throughout the year.

Fun facts about Rain from Around the World

Here are some amazing facts about rain and precipitation worldwide:

• Cherrapunji, India, records an average of 322 rainy days each year. Despite this, the wettest place is Mount Waialeale in Hawaii with 11500 mm annual rainfall.
• The fastest recorded raindrop fell at 18 meters per second during a thunderstorm in Brazil.
• The Atacama Desert in Chile is so dry that some weather stations have never recorded rainfall since their installation.
• The largest recorded raindrop measured 8.8 mm in diameter during a tropical storm on La Réunion Island.
• Some clouds can weigh up to 500,000 tons, that's equivalent to the weight of 100 elephants.

For more detailed information about rainfall patterns in Altona, visit our Rainfall & Precipitation page.