West Haven (CT) Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in West Haven, Connecticut, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Let's explore the details to provide you with a complete overview.

West Haven is known for its substantial rain/snowfall, with annual precipitation reaching 1261 mm (50 in).

Monthly Precipitation Levels

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

The wettest period in West Haven occurs in June, which receives around 130 mm (5.1 in) of precipitation. During the driest month, November, West Haven experiences moderate rainfall, totaling approximately 86 mm (3.4 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate.

June, the wettest month, has a maximum daytime temperature of 25°C (77°F). The city receives 273 hours of sunshine in this period. During the driest month November you can expect a temperature of 12°C (54°F). For more detailed insights into the city's temperatures, visit our West Haven Temperature page.

West Haven's average annual precipitation is 1261 mm (50 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.

Perth, Australia, receives 565 mm (22 in) of rainfall annually, mostly during the winter months.

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.

• "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 West Haven (CT)'s weather, including sunshine hours, humidity levels, and temperature data, visit our West Haven (CT) Climate page.