Stromness Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Stromness, Orkney Islands, United Kingdom. These averages rely on historical data collected over 30 years, from 1990 to 2020. Let's explore the details to provide you with a complete overview.

Stromness experiences significant rainfall throughout the year, averaging 1209 mm (48 in) of precipitation annually.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

Stromness can be quite wet during November, receiving approximately 139 mm (5.5 in) of precipitation over 24 rainy days.

In contrast May, experiences much drier conditions, with 62 mm (2.4 in) of rainfall, spread across 16 rainy days.

November, the wettest month, has a maximum daytime temperature of 11°C (52°F). The city receives 38 hours of sunshine in this period. During the driest month May you can expect a temperature of 11°C (52°F). For more detailed insights into the city's temperatures, visit our Stromness Temperature page.

Stromness's average annual precipitation is 1209 mm (48 in). Let's compare this to some popular worldwide tourist destinations:

Chicago, USA, sees an annual precipitation of 1062 mm (42 in), with rain and snow contributing to its humid climate.

Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.

Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.

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.

• "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 Stromness's weather, including sunshine hours, humidity levels, and temperature data, visit our Stromness Climate page.