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December Weather in Fort Myers Shores, United States

Last updated: June 24, 2025

The average temperature in Fort Myers Shores, United States during December is a pleasant 20°C (68°F). However, temperatures can swing, with a minimum of 4°C (40°F) and a maximum reaching up to 31°C (88°F). Expect precipitation of about 51 mm (2.0 in) over approximately 6 days, and be prepared for a relatively high average humidity of 84%.

December Temperature in Fort Myers Shores

In December in Fort Myers Shores, the average temperature is 20°C (68°F). Maximums can reach 31°C (88°F), and minimums can be as low as 4°C (40°F). This climate makes Fort Myers Shores an ideal destination for travelers seeking a comfortable range of temperatures for outdoor activities.

December Weather in Fort Myers Shores: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Fort Myers Shores, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Myers Shores, December typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec657072778082828282807268
Data source: Temperature data for Fort Myers Shores generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Fort Myers Shores

In Fort Myers Shores in December, the precipitation amount is 51 mm (2.0 in) over the course of 6 days.

December Precipitation Trends in Fort Myers Shores

The chart displays monthly precipitation patterns in Fort Myers Shores, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Fort Myers Shores, December typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec37442252148239278239186884651
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Fort Myers Shores

In Fort Myers Shores in December humidity is 84%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket, making travel a challenge as the air clings to your skin, and every step feels heavier in the mugginess.

December Average Humidity in Fort Myers Shores

This chart illustrates the average monthly humidity levels in Fort Myers Shores, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Fort Myers Shores is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%68%65%73%77%80%83%83%83%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Fort Myers Shores

In Fort Myers Shores in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Fort Myers Shores.

Maximum UV Index Levels in Fort Myers Shores for December

The chart shows the monthly maximum UV Index (UVI) for Fort Myers Shores in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Fort Myers Shores typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69101212121212111075
Data source: Fort Myers Shores December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Fort Myers Shores Compares to Other Months

Weather in Fort Myers Shores varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Fort Myers Shores, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Fort Myers Shores, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)37 mm (1.4 inches)83%high
February Weather21°C (71°F)44 mm (1.7 inches)80%very high
March Weather22°C (72°F)22 mm (0.9 inches)75%very high
April Weather25°C (77°F)51 mm (2.0 inches)68%extreme
May Weather27°C (80°F)148 mm (5.8 inches)65%extreme
June Weather28°C (82°F)239 mm (9.4 inches)73%extreme
July Weather28°C (82°F)278 mm (10.9 inches)77%extreme
August Weather28°C (83°F)239 mm (9.4 inches)80%extreme
September Weather28°C (82°F)186 mm (7.3 inches)83%extreme
October Weather26°C (80°F)88 mm (3.5 inches)83%very high
November Weather22°C (72°F)46 mm (1.8 inches)83%high
December Weather20°C (68°F)51 mm (2.0 inches)84%moderate

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