Monthly weather forecast and climate
Riverdale, NJ

What is the coldest month in Riverdale?

The coldest month is January, with an average high-temperature of 36°F (2.2°C) and an average low-temperature of 18°F (-7.8°C).

How much does it rain in Riverdale?

During the entire year, Riverdale aggregates up to 47.8" (1213.5mm) of precipitation.

What is the driest month in Riverdale?

February is the month with the least rainfall, with 3" (75.7mm) of accumulated precipitation.

What is the warmest month in Riverdale?

With an average high-temperature of 84°F (28.9°C) and an average low-temperature of 63°F (17.2°C), July is the warmest month in Riverdale.

What is the wettest month in Riverdale?

The month with the most rainfall in Riverdale, New Jersey, is September when 4.6" (116.3mm) of precipitation is typically aggregated.
Average rainfall - Riverdale, NJ
Average daylight - Riverdale, NJ

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).