Top 5 Rainiest Countries in the World

In this article, we will take a look at the top 5 rainiest countries in the world. If you would like to read our discussion on the regional variances in precipitation patterns, you can go to the Top 20 Rainiest Countries in the World.

5. Solomon Islands

Precipitation Rate 2022 = 3184 mm

Precipitation Rate 2021 = 3183 mm

Average Precipitation Rate = 3184 mm

The Solomon Islands have a tropical climate characterized by high temperatures and heavy rainfall. The typical yearly rainfall across the Solomon Islands falls mostly between 3000 to 5000 millimeters range, with the majority of monthly rainfall exceeding 200 millimeters. Throughout most of the Solomon Islands, the wettest months coincide with the Northwest monsoon season. Areas situated on the southern sides of the larger islands generally experience a peak in rainfall between June and September.

4. Fiji

Precipitation Rate 2022 = 3794 mm            

Precipitation Rate 2021 = 2659 mm

Average Precipitation Rate = 3227 mm

Fiji enjoys a warm tropical climate, making it a favorite destination for beach vacations worldwide. The best time to visit the country, weather-wise, is usually from late March to early December. Fiji experiences a distinct wet season typically spanning from November to April. During this period, heavy but short-lived local showers are prevalent, accounting for the majority of Fiji’s annual rainfall. On the main islands, coastal and low-lying regions receive between 2000 mm and 3000 mm of rainfall annually, while mountainous areas may receive up to 6000 mm.

3. Malaysia

Precipitation Rate 2022 = 3485 mm

Precipitation Rate 2021 = 3288 mm

Average Precipitation Rate = 3387 mm

One of the greatest attractions of Malaysia is its lush green trees. Malaysia experiences a tropical rainforest climate, with high temperatures and frequent rainfall most of the year. The country is known for its rich biodiversity and is a major producer of palm oil and rubber.

2. Palau

Precipitation Rate 2022 = 4334 mm            

Precipitation Rate 2021 = 4472 mm

Average Precipitation Rate 4403 mm

Palau has a tropical climate characterized by varying rainfall, typically ranging from 3,050 to 4,060 mm annually. Humidity remains relatively stable across the country, fluctuating between 77% to 84%. Meanwhile, temperatures exhibit minimal variation, with fluctuations not exceeding 10 °F on a daily, monthly, or yearly basis from an average in the low 80s °F.

1. Micronesia

Precipitation Rate 2022 = 4761 mm

Precipitation Rate 2021 = 4557 mm

Average Precipitation Rate = 4659 mm

Micronesia is at the first place on our list of the rainiest countries in the world. Over the last two years, the country enjoyed an average of 4659 mm of rain annually.