January weather forecast and climate
Riverdale, NJ

What is the coldest month in Riverdale?

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

What is the temperature in January in Riverdale?

In January, the average high-temperature is 36°F (2.2°C), and the average low-temperature is 18°F (-7.8°C).

How much does it rain in Riverdale in January?

Throughout January, 3.9" (100.3mm) of precipitation is accumulated.
Average temperature in January - Riverdale, NJ
  • Average high temperature in January: 36°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in January: 18°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average rainfall in January - Riverdale, NJ
  • Average rainfall in January: 4"

The wettest month (with the highest rainfall) is September (4.6").
The driest month (with the lowest rainfall) is February (3").

Average daylight in January - Riverdale, NJ
  • Average daylight in January: 9.6h

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

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