Flateyri Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Flateyri, Westfjords, Iceland. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Now, let's break down all the details for a clearer picture.
Flateyri experiences significant rain/snowfall throughout the year, averaging 1338 mm (53 in) of precipitation annually.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
Flateyri can be quite wet during December, receiving approximately 154 mm (6.1 in) of precipitation over 22 snowy/rainy days.
In contrast June, experiences much drier conditions, with 52 mm (2 in) of rainfall, spread across 16 rainy days.
December, the wettest month, has a maximum daytime temperature of 2°C (36°F). 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 Flateyri 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 Flateyri's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Flateyri 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.
heavy rainfall
high
moderate
low
almost none
Flateyri vs World: Rainfall Compared
Flateyri's average annual precipitation is 1338 mm (53 in). Let's compare this to some popular worldwide tourist destinations:
The climate in San Francisco, USA, is influenced by coastal weather, with 469 mm (18 in) of rainfall mostly during the winter months.
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.
Climate change is affecting precipitation patterns worldwide, including Flateyri:
- 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.
- 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 Flateyri's weather, including sunshine hours, humidity levels, and temperature data, visit our Flateyri Climate page.
