Nilaveli Rainfall & Precipitation: Monthly Averages and Year-Round Insights

This page shows the average amount of rainfall per month in Nilaveli. The numbers are calculated over a 30-year period to provide a reliable average. Now, let’s explore all the details to give you a full picture.

Nilaveli is known for its substantial rainfall, with annual precipitation reaching 1313 mm.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm)

Nilaveli can be quite wet during November, receiving approximately 314 mm of precipitation over 16 rainy days.

In contrast June, experiences much drier conditions, with 22 mm of rainfall, spread across 2 rainy days.

November, the wettest month, has a maximum daytime temperature of 30°C. The city receives 168 hours of sunshine in this period. During the driest month June you can expect a temperature of 34°C. For more detailed insights into the city’s temperatures, visit our Nilaveli Temperature page.

Annual Precipitation in Sri Lanka

The map below shows the annual precipitation across Sri Lanka. You can also select the different months in case you are interested in a specific month.

Amsterdam Precipitation Compared World Wide

Nilaveli’s average annual precipitation is 1313 mm. Let’s compare this to some popular worldwide tourist destinations:

Athens, Greece, receives an average annual precipitation of 400 mm, making it one of the drier Mediterranean climates with rainfall mostly in winter.

Osaka, Japan, experiences 1507 mm of rainfall annually, spread across the year with wetter summers.

Melbourne, Australia, has 690 mm of rainfall annually, spread fairly evenly throughout the year.

Singapore, situated near the equator, gets 2581 mm of rainfall annually, with no distinct dry season and consistent monthly precipitation.

How is Precipitation Measured?

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

How Does Precipitation Affect Local Climate?

Precipitation has a very strong role in determining the local climate and ecosystem:

• Rainy Seasons: Many parts of the world have well-defined wet seasons where precipitation is distinctly higher. These are normally accompanied by lush vegetation and temperature patterns.
• Dry Seasons: In areas where the climate is either desert or Mediterranean, the amount of precipitation is drastically reduced, leading to a shortage of water and arid conditions.

For more detailed information about Nilaveli’s weather, including sunshine hours, humidity levels, and temperature data, visit our Nilaveli Climate page.