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

December weather forecast and Climate
Jacksonville, FL

  • Average high temperature in December: 66.6°F

Warmest month (with highest average high temperature) is July (92°F).
Month with lowest average high temperature is January (64.8°F).

  • Average low temperature in December: 43.9°F

Month with highest average low temperature is August (72.7°F).
Coldest month (with lowest average low temperature) is January (41.4°F).

  • Average humidity in December: 76.7%

Month with highest relative humidity is September (80.8%).
Month with lowest relative humidity is April (69.5%).

  • Average rainfall in December: 2.8"

Wettest month (with highest rainfall) is September (8.2").
Driest month (with lowest rainfall) is November (2.1").

  • Average rainfall days in December: 7.4 days

Month with highest number of rainy days is August (15 days).
Month with lowest number of rainy days is April (5.7 days).

  • Average daylight in December: 10h

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

  • Average sunshine in December: 5.9h

Month with most sunshine is May (Average sunshine: 9.8).
Month with least sunshine is December (Average sunshine: 5.9).

  • Average UV index in December: 4

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

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