Hellissandur Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Hellissandur, West Iceland, Iceland. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Let's now guide you through the details for a complete overview.
Hellissandur has a notably wet climate with abundant precipitation, recording 1166 mm (46 in) of rain/snowfall per year.
Monthly Rainfall & Rainy Days
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
The seasons in Hellissandur, bring significant changes in precipitation. The wettest month, February, receives high snow/rainfall, with an average of 125 mm (4.9 in) of precipitation. This snow/rainfall is distributed across 17 snowy/rainy days.
In contrast, the driest month, June, experiences much less rainfall, totaling 56 mm (2.2 in) over 15 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.February, the wettest month, has a maximum daytime temperature of 4°C (39°F). The city receives 56 hours of sunshine in this period. During the driest month June you can expect a temperature of 11°C (52°F). For more detailed insights into the city's temperatures, visit our Hellissandur Temperature page.
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.
Hellissandur vs World: Rainfall Compared
Hellissandur's average annual precipitation is 1166 mm (46 in). Let's compare this to some popular worldwide tourist destinations:
The city of Rome, Italy, has an average annual precipitation of 832 mm (33 in), spread fairly evenly throughout the year.
In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.
In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.
Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.
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.
Tropical Rainforests: In tropical regions, rainfall is generally abundant year-round. Areas near the equator, like the Amazon rainforest, can receive up to 3000 mm (118 in) of rain annually.
Desert Regions: Deserts such as the Sahara and Arabian deserts typically see less than 250 mm (9.8 in) of rainfall annually. Rainfall tends to be infrequent, but when it does occur, it is often intense.
Temperate Zones: In temperate regions, precipitation tends to be more evenly distributed, though areas closer to the ocean may see more rain in the winter months, and areas further inland experience drier summers.
Polar Regions: Precipitation in polar regions, like Antarctica, is extremely low, often falling as snow. Average annual precipitation in Antarctica is less than 200 mm (7.9 in), with some areas receiving as little as 50 mm (2 in) annually.
- "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 Hellissandur's weather, including sunshine hours, humidity levels, and temperature data, visit our Hellissandur Climate page.
Hellissandur Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hellissandur - and find the best time to visit.
Hellissandur 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Hellissandur climate overview or explore weather in Iceland.
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