Colnbrook Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Colnbrook, Berkshire, United Kingdom. The figures are based on a 30-year period (1990–2020) to provide a reliable average. Now, let's break down all the details for a clearer picture.

On average, Colnbrook receives a reasonable amount of rain/snowfall, with an annual precipitation of 717 mm (28 in).

Monthly Precipitation Levels

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

Precipitation levels in Colnbrook remain relatively steady throughout the year. November has the most rain, with 68 mm (2.7 in) over 16 days. In March, this drops slightly to 48 mm (1.9 in), making the city's climate fairly predictable.

November, the wettest month, has a maximum daytime temperature of 12°C (54°F). The city receives 70 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 Colnbrook Temperature page.

Annual Rainfall in the United Kingdom: City Comparison

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

Annual

Annual

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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).

Colnbrook vs World: Rainfall Compared

Colnbrook's average annual precipitation is 717 mm (28 in). Let's compare this to some popular worldwide tourist destinations:

The climate in San Francisco, USA, is influenced by coastal weather, with 469 mm (18 in) of rainfall mostly during the winter months.

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.

Singapore, situated near the equator, gets 2581 mm (102 in) 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.

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.

Interesting weather facts

The U.S. has a significant number of thunderstorms every year, with over 14.6 million taking place across the world annually.
Approximately 70% of lightning bolts strike land rather than oceans.
A storm named John was the longest-lasting Pacific tropical storm, continuing for 31 days. As it crossed the dateline twice, it changed status from a hurricane to a typhoon and back to a hurricane.

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

Current rainfall in Colnbrook

10-Day Forecast