February Weather in Keys, United States

Last updated: June 24, 2025

In Keys, United States, the average temperature in February hovers around 6°C (42°F). However, be prepared for a wide range, as temperatures can dip to a brisk -23°C (-10°F) or soar to a warm 29°C (84°F). Expect about 100 mm (4.0 in) of precipitation spread over 11 days, coupled with an average humidity of 78%. Stay prepared for the surprises this month may bring!

February Temperature in Keys

In February in Keys, the average temperature is 6°C (42°F), with maximums reaching up to 29°C (84°F) and minimums dropping as low as -23°C (-10°F). Be prepared for a wide range of temperatures when planning your travels.

February Weather in Keys: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Keys, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keys, February typically has an average temperature of 6°C (42°F), with highs reaching up to 29°C (84°F) and lows dropping to around -23°C (-10°F).

Data source: Temperature data for Keys generated using information from the Copernicus Climate Change Service.

February Precipitation in Keys

In Keys in February, the total precipitation amounts to 100 mm (4.0 in) over the course of 11 days.

February Precipitation Trends in Keys

The chart displays monthly precipitation patterns in Keys, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Keys, February typically receives around 100 mm (4.0 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

February Humidity in Keys

In Keys in February humidity is 78%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities a bit uncomfortable and requiring careful planning to stay warm and dry while exploring.

February Average Humidity in Keys

This chart illustrates the average monthly humidity levels in Keys, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Keys is approximately 78%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Keys

In Keys in February, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Keys, you can refer to this Hourly UV Index in Keys.

Maximum UV Index Levels in Keys for February

The chart shows the monthly maximum UV Index (UVI) for Keys in February, 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 February, the maximum UV index in Keys typically reaches 6, which falls under the high exposure category.

Data source: Keys February 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 February Weather in Keys Compares to Other Months

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

This table compares monthly weather conditions in Keys, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	89 mm (3.5 inches)	79%	moderate
February Weather	6°C (42°F)	100 mm (4.0 inches)	78%	high
March Weather	12°C (54°F)	134 mm (5.3 inches)	75%	high
April Weather	15°C (59°F)	158 mm (6.2 inches)	75%	very high
May Weather	21°C (69°F)	212 mm (8.3 inches)	83%	very high
June Weather	26°C (78°F)	78 mm (3.1 inches)	81%	extreme
July Weather	28°C (82°F)	105 mm (4.1 inches)	78%	extreme
August Weather	26°C (80°F)	129 mm (5.1 inches)	68%	very high
September Weather	24°C (76°F)	78 mm (3.1 inches)	64%	very high
October Weather	17°C (62°F)	153 mm (6.0 inches)	71%	high
November Weather	10°C (50°F)	66 mm (2.6 inches)	82%	moderate
December Weather	7°C (45°F)	83 mm (3.3 inches)	87%	moderate