Katwijk Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Katwijk, Zuid-Holland, Netherlands. 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.

Generally, Katwijk receives mid-range precipitation levels, with 970 mm (38 in) annually.

Monthly Precipitation Levels

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

Katwijk offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between October (103 mm (4.1 in)) and April (53 mm (2.1 in)) is not too significant, making the climate enjoyable for visitors and residents alike.

October, the wettest month, has a maximum daytime temperature of 15°C (59°F). The city receives 108 hours of sunshine in this period. During the driest month April you can expect a temperature of 13°C (55°F). For more detailed insights into the city's temperatures, visit our Katwijk Temperature page.

Katwijk's average annual precipitation is 970 mm (38 in). Let's compare this to some popular worldwide tourist destinations:

New York City, USA, receives 1276 mm (50 in) of rainfall annually, with precipitation evenly distributed throughout the year.

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

Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.

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.

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