Jacksonville
Florida, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and Climate
Jacksonville, FL

Water geysers at the fountain of Jacksonville in Florida, with the cityscape in view
Water geysers at the fountain of Jacksonville in Florida, with the cityscape in view
  • The average high temperature in December: 19.2°C

The warmest month (with the highest average high temperature) is July (33.3°C).
The month with the lowest average high temperature is January (18.2°C).

  • The average low temperature in December: 6.6°C

Months with the highest average low temperature are July and August (22.6°C).
The coldest month (with the lowest average low temperature) is January (5.2°C).

  • The average humidity in December: 76.7%

The month with the highest relative humidity is September (80.8%).
The month with the lowest relative humidity is April (69.5%).

  • The average rainfall in December: 71.1mm

The wettest month (with the highest rainfall) is September (208mm).
The driest month (with the lowest rainfall) is November (53.6mm).

  • The average rainfall days in December: 7.4 days

The month with the highest number of rainy days is August (15 days).
The month with the lowest number of rainy days is April (5.7 days).

  • The average daylight in December: 10h

Months with the longest days are May, June and July (Average daylight: 14h).
Months with shortest days are January and December (Average daylight: 10h).

  • The average sunshine in December: 5.9h

The month with most sunshine is May (Average sunshine: 9.8h).
The month with least sunshine is December (Average sunshine: 5.9h).

  • The average UV index in December: 4

Months with the highest UV index are June and July (UV index 11).
Months with the lowest UV index are January and December (UV index 4).

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