Helle Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Helle, Sogn og Fjordane, Norway. This average is based on long-term data collected between 1990 and 2020. Let's now guide you through the details for a complete overview.

Helle has a notably wet climate with abundant precipitation, recording 2955 mm (116 in) of rain/snowfall per year.

Monthly Precipitation Levels

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

Helle offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between December (324 mm (13 in)) and May (149 mm (5.9 in)) is not too significant, making the climate enjoyable for visitors and residents alike.

December, the wettest month, has a maximum daytime temperature of 3°C (37°F). During the driest month May you can expect a temperature of 12°C (54°F). For more detailed insights into the city's temperatures, visit our Helle Temperature page.

Helle's average annual precipitation is 2955 mm (116 in). Let's compare this to some popular worldwide tourist destinations:

The city of Rome, Italy, has an average annual precipitation of 832 mm (33 in), spread fairly evenly throughout the year.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm (39 in) of annual rainfall, mostly in the summer.

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

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.

The proximity of a location to a large body of water can significantly affect its rainfall patterns:

• Ocean Influence: Coastal regions typically receive more rainfall due to the presence of moisture-laden winds from the ocean. These regions tend to have more humid climates and experience more frequent precipitation, especially in winter.
• Continental Climates: Areas further from the sea, such as inland or continental regions, experience less frequent rainfall and more extreme seasonal variations in precipitation.

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