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October Weather in Cudjoe Key, United States

Last updated: June 24, 2025

In October, the average temperature in Cudjoe Key, United States is a pleasant 27°C (81°F). Expect comfortable days with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 29°C (85°F). However, be prepared for some rain, as the area receives about 131 mm (5.2 in) of precipitation over 18 days. With an average humidity level of 79%, the weather can feel quite tropical!

October Temperature in Cudjoe Key

In October in Cudjoe Key, the average temperature is 27°C (81°F), with maximums reaching 29°C (85°F) and minimums dropping to 20°C (68°F). This pleasant weather makes it an ideal time to explore and enjoy the sights in Cudjoe Key.

October Weather in Cudjoe Key: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Cudjoe Key, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cudjoe Key, October typically has an average temperature of 27°C (81°F), with highs reaching up to 29°C (85°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec707373777982838482817673
Data source: Temperature data for Cudjoe Key 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.

October Precipitation in Cudjoe Key

In Cudjoe Key in October, the precipitation amount is 131 mm (5.2 in) over the course of 18 days.

October Precipitation Trends in Cudjoe Key

The chart displays monthly precipitation patterns in Cudjoe Key, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Cudjoe Key, October typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec242515421361051091111891317037
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Cudjoe Key

In Cudjoe Key in October, humidity is 79%. With an average temperature of 27°C (81°F), this humidity feels like a warm and sticky embrace, making travel both challenging and invigorating as the air clings to your skin, urging you to seek shade or a refreshing drink.

October Average Humidity in Cudjoe Key

This chart illustrates the average monthly humidity levels in Cudjoe Key, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Cudjoe Key is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%76%73%71%70%70%72%76%79%80%81%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Cudjoe Key

In Cudjoe Key in October, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Cudjoe Key.

Maximum UV Index Levels in Cudjoe Key for October

The chart shows the monthly maximum UV Index (UVI) for Cudjoe Key in October, 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 October, the maximum UV index in Cudjoe Key typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69111212131212111086
Data source: Cudjoe Key October 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 October Weather in Cudjoe Key Compares to Other Months

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

This table compares monthly weather conditions in Cudjoe Key, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (71°F)24 mm (0.9 inches)81%high
February Weather23°C (73°F)25 mm (1.0 inches)79%very high
March Weather23°C (74°F)15 mm (0.6 inches)76%extreme
April Weather25°C (77°F)42 mm (1.7 inches)73%extreme
May Weather26°C (79°F)136 mm (5.4 inches)71%extreme
June Weather28°C (82°F)105 mm (4.1 inches)69%extreme
July Weather28°C (83°F)109 mm (4.3 inches)70%extreme
August Weather29°C (84°F)111 mm (4.4 inches)72%extreme
September Weather28°C (83°F)189 mm (7.4 inches)76%extreme
October Weather27°C (81°F)131 mm (5.2 inches)79%very high
November Weather25°C (77°F)70 mm (2.7 inches)80%very high
December Weather23°C (73°F)36 mm (1.4 inches)81%high

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