Average Rainy - Precipitation days in Sonoma (CA)

With 65 days and 644 mm of annual rain, Sonoma (CA) 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 December, with 12 rainy days bringing 134 mm of rain. In contrast, August sees 0 rainy days with 0.1 mm of rain.

Amsterdam Precipitation Days Compared World Wide

Sonoma's average annual precipitation falls over 65 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.

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

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

In Toronto, Canada, there are about 126 precipitation days per year, with snowfall occurring in winter and rainfall in summer.

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

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

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 Sonoma (CA), visit our Rainfall & Precipitation page.