Ólafsfjörður Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Ólafsfjörður, North Iceland, Iceland. The figures are based on a 30-year period (1990–2020) to provide a reliable average. Now, let's break down all the details for a clearer picture.
Ólafsfjörður experiences significant rain/snowfall throughout the year, averaging 1420 mm (56 in) of precipitation annually.
Monthly Rainfall & Rainy Days
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
The climate in Ólafsfjörður shows significant variation throughout the year. Expect 164 mm (6.5 in) of precipitation during the wettest month October, distributed over 18 snowy/rainy days.
In contrast, June offers drier and sunnier days, with around 68 mm (2.7 in) of rainfall over 13 rainy days.
October, the wettest month, has a maximum daytime temperature of 5°C (41°F). The city receives 50 hours of sunshine in this period. During the driest month June you can expect a temperature of 9°C (48°F). For more detailed insights into the city's temperatures, visit our Ólafsfjörður 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 Ólafsfjörður's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Ólafsfjörður spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Iceland: City Comparison
The map below shows the annual precipitation across Iceland. You can also select the different months in case you are interested in a specific month.
Ólafsfjörður vs World: Rainfall Compared
Ólafsfjörður's average annual precipitation is 1420 mm (56 in). Let's compare this to some popular worldwide tourist destinations:
New York City, USA, receives 1276 mm (50 in) of rainfall annually, with precipitation evenly distributed throughout the year.
Beijing, China, receives 560 mm (22 in) of annual precipitation, concentrated in the summer months.
In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.
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.
Climate change is affecting precipitation patterns worldwide, including Ólafsfjörður:
- 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.
- "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
- The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
- The greatest snowfall recorded was on Mt. Rainier, Washington State, USA, over 31.5 meters (103 feet) fell during the winter of 1972.
For more detailed information about Ólafsfjörður's weather, including sunshine hours, humidity levels, and temperature data, visit our Ólafsfjörður Climate page.
Ólafsfjörður Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ólafsfjörður - and find the best time to visit.
Ólafsfjörður 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Ólafsfjörður climate overview or explore weather in Iceland.
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