Swanley Junction Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Swanley Junction, Kent, United Kingdom. This average is based on long-term data collected between 1990 and 2020. Now, let's explore all the details to give you a full picture.

Generally, Swanley Junction receives mid-range precipitation levels, with 726 mm (29 in) annually.

Monthly Precipitation Levels

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

Precipitation levels in Swanley Junction remain relatively steady throughout the year. August has the most rain, with 70 mm (2.8 in) over 12 days. In March, this drops slightly to 48 mm (1.9 in), making the city's climate fairly predictable.

August, the wettest month, has a maximum daytime temperature of 23°C (73°F). The city receives 196 hours of sunshine in this period. During the driest month March you can expect a temperature of 12°C (54°F). For more detailed insights into the city's temperatures, visit our Swanley Junction Temperature page.

Swanley Junction's average annual precipitation is 726 mm (29 in). Let's compare this to some popular worldwide tourist destinations:

Seville, Spain, experiences 541 mm (21 in) of rainfall annually, with wet winters and dry summers typical of southern Spain.

In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.

Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.

Kuala Lumpur, Malaysia, receives 2529 mm (100 in) of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.

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 Swanley Junction's weather, including sunshine hours, humidity levels, and temperature data, visit our Swanley Junction Climate page.