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

This page shows the average amount of rainfall per month in Grimstad. The numbers are calculated over a 30-year period to provide a reliable average. Now, let’s break down all the details for a clearer picture.

Grimstad is known for its substantial rain/snowfall, with annual precipitation reaching 1178 mm.

Monthly Precipitation Levels

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

Grimstad experiences moderate seasonal variation in rainfall, with monthly averages ranging from 126 mm in October, the wettest month, and 66 mm in April, the driest month.

October, the city’s wettest month, has a maximum daytime temperature of 12°C. During the driest month April you can expect a temperature of 11°C. For more detailed insights into the city’s temperatures, visit our Grimstad 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

Grimstad’s average annual precipitation is 1178 mm. Let’s compare this to some popular worldwide tourist destinations:

In Lisbon, Portugal, the average annual precipitation is 774 mm, characterized by wet winters and dry summers typical of the Mediterranean climate.

Beijing, China, receives 560 mm of annual precipitation, concentrated in the summer months.

Adelaide, Australia, enjoys 511 mm of annual precipitation, with dry summers and wet winters.

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.

How Does Precipitation Affect Local Climate?

Precipitation has a very strong role in determining the local climate and ecosystem:

• 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.

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