Lafayette (IN) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Lafayette, Indiana, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020. Now, let's explore all the details to give you a full picture.

Lafayette has a relatively rain/snowy climate with high precipitation levels, averaging 1097 mm (43 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 Lafayette, bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 142 mm (5.6 in) of precipitation. This rainfall is distributed across 14 rainy days.

In contrast, the driest month, January, experiences much less snowfall, totaling 60 mm (2.4 in) over 11 snowy days. These distinct seasonal differences provide diverse experiences throughout the year.

June, the wettest month, has a maximum daytime temperature of 28°C (82°F). During the driest month January you can expect a temperature of 1°C (34°F). For more detailed insights into the city's temperatures, visit our Lafayette Temperature page.

Annual Rainfall in the United States of America: City Comparison

The map below shows the annual precipitation across the United States of America. You can also select the different months in case you are interested in a specific month.

Lafayette vs World: Rainfall Compared

Lafayette's average annual precipitation is 1097 mm (43 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 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.

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.

Rainy Seasons: Many parts of the world have well-defined wet seasons where precipitation is distinctly higher. These are normally accompanied by lush vegetation and temperature patterns.

Dry Seasons: In areas where the climate is either desert or Mediterranean, the amount of precipitation is drastically reduced, leading to a shortage of water and arid conditions.

• The U.S. has a significant number of thunderstorms every year, with over 14.6 million taking place across the world annually.
• Approximately 70% of lightning bolts strike land rather than oceans.
• A storm named John was the longest-lasting Pacific tropical storm, continuing for 31 days. As it crossed the dateline twice, it changed status from a hurricane to a typhoon and back to a hurricane.

For more detailed information about Lafayette (IN)'s weather, including sunshine hours, humidity levels, and temperature data, visit our Lafayette (IN) Climate page.