Rolling Meadows (IL) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Rolling Meadows, Illinois, United States of America. This average is based on long-term data collected between 1990 and 2020. Let's explore the details to provide you with a complete overview.

Rolling Meadows has a relatively rain/snowy climate with high precipitation levels, averaging 1040 mm (41 in) of rain/snowfall annually.

Monthly Precipitation Levels

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

Rolling Meadows can be quite wet during June, receiving approximately 125 mm (4.9 in) of precipitation over 14 rainy days.

In contrast January, experiences much drier conditions, with 46 mm (1.8 in) of snowfall, spread across 10 snowy days.

June, the wettest month, has a maximum daytime temperature of 26°C (79°F). The city receives 311 hours of sunshine in this period. During the driest month January you can expect a temperature of -1°C (30°F). For more detailed insights into the city's temperatures, visit our Rolling Meadows Temperature page.

Rolling Meadows's average annual precipitation is 1040 mm (41 in). Let's compare this to some popular worldwide tourist destinations:

In Toronto, Canada, annual precipitation averages 964 mm (38 in), with snowy winters and rainy summers.

In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.

In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.

Ho Chi Minh City, Vietnam, receives 1955 mm (77 in) of annual rainfall, with a pronounced wet season from May to November, typical of its tropical monsoon climate.

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 Rolling Meadows (IL)'s weather, including sunshine hours, humidity levels, and temperature data, visit our Rolling Meadows (IL) Climate page.