Barnham Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Barnham, West Sussex, United Kingdom. Long-term data from 1990 to 2020 was used to calculate these averages. Let's now guide you through the details for a complete overview.

Generally, Barnham receives mid-range precipitation levels, with 885 mm (35 in) annually.

Monthly Precipitation Levels

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

The amount of precipitation varies moderately throughout the year. The wettest month, November, sees around 106 mm (4.2 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, May, still receives a respectable 55 mm (2.2 in) of rainfall.

November, the wettest month, has a maximum daytime temperature of 13°C (55°F). During the driest month May you can expect a temperature of 16°C (61°F). For more detailed insights into the city's temperatures, visit our Barnham Temperature page.

Barnham's average annual precipitation is 885 mm (35 in). Let's compare this to some popular worldwide tourist destinations:

In Barcelona, Spain, the average annual precipitation is 644 mm (25 in), evenly distributed across the year with no extreme wet or dry seasons.

In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.

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

Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm (66 in) of annual rainfall, with the heaviest precipitation occurring during September and October.

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.

• Mawsynram in India is noted as being the wettest place on earth, with over 11 meters (36 feet) of rain falling every year.
• In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm (0.004 inches) per year, with some years recording virtually no rainfall.
• Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.

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