Average Rainy - Precipitation days in Dorchester

Over the course of the year, Dorchester experiences 862 mm of rain across 172 days. On this page you will discover more about the number of precipitation days.

Monthly Distribution of Rainy Days

The wettest month is October, with 16 rainy days bringing 90 mm of rain. In contrast, March sees 16 rainy days with 58 mm of rain.

Amsterdam Precipitation Days Compared World Wide

Dorchester's average annual precipitation falls over 172 days. Let's compare this to some popular worldwide tourist destinations:

In Cairo, Egypt, there are only about 16 precipitation days annually, making it one of the driest capitals in the world.

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

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

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 Dorchester, visit our Rainfall & Precipitation page.