Attapu Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Attapu, Laos. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Now, let's explore all the details to give you a full picture.

Attapu experiences significant rainfall throughout the year, averaging 1775 mm (70 in) of precipitation annually. However, this abundant rainfall is not evenly distributed, with a distinct dry and rainy season during certain months. You can clearly see this in our monthly precipitation graphs below.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

The climate in Attapu shows significant variation throughout the year. Expect 348 mm (14 in) of precipitation during the wettest month July, distributed over 23 rainy days.

In contrast, January offers drier and sunnier days, with around 3.5 mm (0.1 in) of rainfall over 3 rainy days.

July, the wettest month, has a maximum daytime temperature of 31°C (88°F). During the driest month January you can expect a temperature of 33°C (91°F). For more detailed insights into the city's temperatures, visit our Attapu Temperature page.

Annual Rainfall in Laos: City Comparison

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

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Legend heavy rainfall high moderate low almost none

Heavy annual rainfall has been defined as more than 1000 mm (39 in) precipitation. High: 600 mm (24 in) to 1000 mm (39 in). Moderate: 250 mm (9.8 in) to 600 mm (24 in). Low: less than 250 mm (9.8 in).

Attapu vs World: Rainfall Compared

Attapu's average annual precipitation is 1775 mm (70 in). Let's compare this to some popular worldwide tourist destinations:

In Barcelona, Spain, the average annual precipitation is 620 mm (24 in), evenly distributed across the year with no extreme wet or dry seasons.

Beijing, China, receives 560 mm (22 in) of annual precipitation, concentrated in the summer months.

In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.

Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.

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.

• "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
• The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
• The greatest snowfall recorded was on Mt. Rainier, Washington State, USA—over 31.5 meters (103 feet) fell during the winter of 1972.

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