May weather forecast and climate
Riverdale, NJ

What is the temperature in May in Riverdale?

In May, in Riverdale, the average high-temperature is 70°F (21.1°C), and the average low-temperature is 48.9°F (9.4°C).

How much does it rain in Riverdale in May?

During May, Riverdale regularly aggregates up to 4.5" (115.3mm) of precipitation.
Average temperature in May - Riverdale, NJ
  • Average high temperature in May: 70°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 May: 49°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 May - Riverdale, NJ
  • Average rainfall in May: 4.5"

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

Average daylight in May - Riverdale, NJ
  • Average daylight in May: 14.5h

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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