Bergen Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Bergen, Hordaland, Norway. Long-term data from 1990 to 2020 was used to calculate these averages. Now, let's break down all the details for a clearer picture.
Bergen is known for its substantial rain/snowfall, with annual precipitation reaching 2493 mm (98 in). While the overall climate is wet, there are notable seasonal patterns that create interesting contrasts, as demonstrated in our graph below.
Monthly Rainfall & Rainy Days
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
Bergen offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between December (269 mm (11 in)) and May (127 mm (5 in)) is not too significant, making the climate enjoyable for visitors and residents alike.
December, the wettest month, has a maximum daytime temperature of 5°C (41°F). The city receives 13 hours of sunshine in this period. During the driest month May you can expect a temperature of 14°C (57°F). For more detailed insights into the city's temperatures, visit our Bergen Temperature page.
Daily Historical Precipitation
Average daily rainfall for each day of the month based on long-term records. 50-year average (1976-2025)
Average precipitation in August
Explore Bergen's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Bergen 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.
Bergen vs World: Rainfall Compared
Bergen's average annual precipitation is 2493 mm (98 in). Let's compare this to some popular worldwide tourist destinations:
In Lisbon, Portugal, the average annual precipitation is 774 mm (30 in), characterized by wet winters and dry summers typical of the Mediterranean climate.
In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.
Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.
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 Bergen's weather, including sunshine hours, humidity levels, and temperature data, visit our Bergen Climate page.
Bergen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bergen - and find the best time to visit.
Bergen 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Bergen climate overview or explore weather in Norway.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The rugged landscape of the Norwegian fjords
This landscape is rated as the most beautiful in the world and it is something you need to experience at least once in your life.
Discover Norway's Hidden Gem: The Littleisland Lighthouse
Explore Littleisland Lighthouse in Norway - a serene getaway offering unique stays, breathtaking views, and a journey into tranquil simplicity.
The Majestic Geirangerfjord: Norway's Crown Jewel
Explore Norway's stunning Geirangerfjord, famous for its dramatic cliffs, waterfalls, and scenic routes. Breathtaking landscapes and outdoor adventures
Swimming with orcas in Norway
The best travel period to travel to Norway for the orcas are the months October, November December, January and February. Swimming with orcas in Norway might be the bucket list trip of your life.