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

This page shows the average amount of rainfall per month in Halwala. The numbers are calculated over a 30-year period to provide a reliable average. Let's now guide you through the details for a complete overview.

Halwala has a relatively rainy climate with high precipitation levels, averaging 2934 mm of rainfall annually.

Monthly Precipitation Levels

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

The climate in Halwala shows significant variation throughout the year. Expect 356 mm of precipitation during the wettest month October, distributed over 15 rainy days.

In contrast, February offers drier and sunnier days, with around 95 mm of rainfall over 5 rainy days.

October, the wettest month, has a maximum daytime temperature of 30°C. The city receives 200 hours of sunshine in this period. During the driest month February you can expect a temperature of 31°C. For more detailed insights into the city’s temperatures, visit our Halwala 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.

Annual
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Annual average
precipitation: 2934 mm

More information

Legend heavy rainfall high moderate low almost none
Heavy annual rainfall has been defined as more than 1000 mm precipitation. High: 600 mm to 1000 mm. Moderate: 250 mm to 600 mm. Low: less than 250 mm.

Amsterdam Precipitation Compared World Wide

Halwala’s average annual precipitation is 2934 mm. Let’s compare this to some popular worldwide tourist destinations:

The city of Rome, Italy, has an average annual precipitation of 832 mm, spread fairly evenly throughout the year.

In Seoul, South Korea, the average annual precipitation is 1237 mm, with most rain falling during the summer monsoon season.

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

Ho Chi Minh City, Vietnam, receives 1955 mm of annual rainfall, with a pronounced wet season from May to November, typical of its tropical monsoon climate.

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.

Global Warming and Precipitation

Climate change is affecting precipitation patterns worldwide, including Halwala:

  • Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
  • Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.

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


Current rainfall in Halwala

Tuesday
25 Feb
Light rain showers
Light rain showers
32°C
4.3 mm
Wednesday
26 Feb
Rain
Rain
31°C
7.7 mm
Thursday
27 Feb
Heavy rain
Heavy rain
25°C
15 mm

Interested in more climate information?

This site provides you with all the information you need about the climate in Halwala.

Our site offers climate and forecast data for every country in the world. Are you going to Sri Lanka? On this website you can find historical weather averages for many cities in Sri Lanka. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.