New Rochelle (NY) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in New Rochelle, New York State, United States of America. This average is based on long-term data collected between 1990 and 2020. Now, let's explore all the details to give you a full picture.

New Rochelle is known for its substantial rain/snowfall, with annual precipitation reaching 1258 mm (50 in).

Monthly Precipitation Levels

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

While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 129 mm (5.1 in) of precipitation, spread over 12 rainy days.

In contrast, November experiences a drier climate, with about 77 mm (3 in) of rainfall spread across 9 rainy days.

December, the wettest month, has a maximum daytime temperature of 8°C (46°F). The city receives 141 hours of sunshine in this period. During the driest month November you can expect a temperature of 13°C (55°F). For more detailed insights into the city's temperatures, visit our New Rochelle 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.

Annual

Annual

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Legend

heavy rainfall

high

moderate

low

almost none

Heavy annual rainfall has been defined as more than 1000 mm (39 in) precipitation. High: 600 mm (24 in) to 1000 mm (39 in). Moderate: 250 mm (9.8 in) to 600 mm (24 in). Low: less than 250 mm (9.8 in).

New Rochelle vs World: Rainfall Compared

New Rochelle's average annual precipitation is 1258 mm (50 in). Let's compare this to some popular worldwide tourist destinations:

The climate in San Francisco, USA, is influenced by coastal weather, with 469 mm (18 in) of rainfall mostly during the winter months.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm (39 in) of annual rainfall, mostly in the summer.

In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.

Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.

How is Precipitation Measured?

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.

Interesting weather facts

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 New Rochelle (NY)'s weather, including sunshine hours, humidity levels, and temperature data, visit our New Rochelle (NY) Climate page.

Current rainfall in New Rochelle (NY)

10-Day Forecast