Climate almanac

Mercerville

New Jersey, United States · 40.24°, -74.69°

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What is the weather like in Mercerville in May?

In May, Mercerville is typically 73°F (23°C) during the day and 55°F (13°C) at night. The month brings about 4.6 in (116 mm) of precipitation in total.

  • Average high73°F (23°C)
  • Average low55°F (13°C)
  • Precipitation4.6 in (116 mm)
  • Clear or mostly clear days6
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)