Gardermoen Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Gardermoen, Akershus, Norway. These averages rely on historical data collected over 30 years, from 1990 to 2020. Let's now guide you through the details for a complete overview.
Generally, Gardermoen has a moderate amount of precipitation, averaging 982 mm (39 in) of rain/snowfall annually.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
The amount of precipitation varies moderately throughout the year. The wettest month, August, sees around 112 mm (4.4 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, March, still receives a respectable 54 mm (2.1 in) of snow/rainfall.
August, the wettest month, has a maximum daytime temperature of 21°C (70°F). The city receives 209 hours of sunshine in this period. During the driest month March you can expect a temperature of 5°C (41°F). For more detailed insights into the city's temperatures, visit our Gardermoen Temperature page.
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Explore Gardermoen's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Gardermoen spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Norway: City Comparison
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.
heavy rainfall
high
moderate
low
almost none
Gardermoen vs World: Rainfall Compared
Gardermoen's average annual precipitation is 982 mm (39 in). Let's compare this to some popular worldwide tourist destinations:
Seville, Spain, experiences 541 mm (21 in) of rainfall annually, with wet winters and dry summers typical of southern Spain.
Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.
Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.
Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.
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.
- Mawsynram in India is noted as being the wettest place on earth, with over 11 meters (36 feet) of rain falling every year.
- In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm (0.004 inches) per year, with some years recording virtually no rainfall.
- Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.
For more detailed information about Gardermoen's weather, including sunshine hours, humidity levels, and temperature data, visit our Gardermoen Climate page.