Helle Rainfall & Precipitation: Monthly Averages and Year-Round Insights

This page shows the average amount of rainfall per month in Helle. The numbers are calculated over a 30-year period to provide a reliable average. Let’s explore the details in depth to provide you with a complete overview.

Helle has a relatively rain/snowy climate with high precipitation levels, averaging 1705 mm of rain/snowfall annually.

Monthly Precipitation Levels

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

Helle can be quite wet during October, receiving approximately 206 mm of precipitation over 23 rainy days.

In contrast May, experiences much drier conditions, with 80 mm of rainfall, spread across 16 rainy days.

October, the wettest month, has a maximum daytime temperature of 12°C. The city receives 94 hours of sunshine in this period. During the driest month May you can expect a temperature of 13°C. For more detailed insights into the city’s temperatures, visit our Helle Temperature page.

Annual Precipitation in Norway

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

Amsterdam Precipitation Compared World Wide

Helle’s average annual precipitation is 1705 mm. Let’s compare this to some popular worldwide tourist destinations:

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

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm of annual rainfall, mostly in the summer.

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

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

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.

Global Warming and Precipitation

Climate change is affecting precipitation patterns worldwide, including Helle:

• Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
• Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.

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