Antioch (IL) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Antioch, Illinois, United States of America. 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.

Generally, Antioch has a moderate amount of precipitation, averaging 961 mm (38 in) of rain/snowfall annually.

Monthly Precipitation Levels

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

The seasons in Antioch, bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 118 mm (4.6 in) of precipitation. This rainfall is distributed across 13 rainy days.

In contrast, the driest month, January, experiences much less snowfall, totaling 40 mm (1.6 in) over 10 snowy days. These distinct seasonal differences provide diverse experiences throughout the year.

June, the wettest month, has a maximum daytime temperature of 25°C (77°F). The city receives 311 hours of sunshine in this period. During the driest month January you can expect a temperature of -2°C (28°F). For more detailed insights into the city's temperatures, visit our Antioch Temperature page.

Antioch's average annual precipitation is 961 mm (38 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.

Beijing, China, receives 560 mm (22 in) of annual precipitation, concentrated in the summer months.

Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.

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 Antioch (IL):

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