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Weather forecast for December 18 in Hilton Head Island

The day is warm, cloudy and rainy. Average daily high temperature is about 20 degrees above zero

  • Morning
  • Day
  • Evening
  • Night
  • morning: +17°, light rain, Feels like 18.

  • afternoon: +20°, rain, Feels like 21.

  • evening: +17°, overcast, Feels like 18.

  • night: +16°, light rain, Feels like 16.

Wind, m/s

  • morning: , 1.3 Meters per second, up to 4 Meters per second, north-easterly.

  • afternoon: , 2.2 Meters per second, up to 4 Meters per second, south-easterly.

  • evening: , 1.7 Meters per second, up to 3 Meters per second, southerly.

  • night: , 2.2 Meters per second, up to 3 Meters per second, north-westerly.

Pressure,normal 750−770 mmHg

  • morning: 768 millimeters of mercury,

  • afternoon: 766 millimeters of mercury,

  • evening: 765 millimeters of mercury,

  • night: 764 millimeters of mercury,

Humidity

Today in 10 years of observation

The day is usually warm and cloudy. Average daily high temperature is about 16 degrees above zero

  • Daytime temperature
    +16°
  • Temperature at night
    +12°
  • Wind speed
    4.8 m/s
  • Pressure
    766 mmHg
  • Humidity
    74%

Overview

  • Sunrise7:18 am
  • Sunset5:20 pm
  • Daylight hours10 hr 2 min
  • Lunar phaseWaning gibbous
  • UV Index3, moderate