October weather forecastKey Largo, FL
October
Weather in October
October brings noticeable changes in Key Largo's weather, with temperatures falling compared to September. The declining heat welcomes in a period of relief after the intense summer months. The duration of sunshine hours shortens as the days grow shorter, signifying the onset of autumn. The rainfall starts to descend significantly, making way for a drier period ahead. The maximum temperature reaches 82.2°F (27.9°C) in October, with 3.19" (81mm) of rainfall recorded.Temperature
Key Largo transitions into October recording an average high-temperature of a still warm 82.2°F (27.9°C), closely aligning with the preceding month's temperature. In October, Key Largo experiences a marginal drop in temperature, with averages of 78.8°F (26°C) at night.Heat index
During October, the heat index is estimated at a hot 87.8°F (31°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
The average relative humidity in October is 75%.Rainfall
In Key Largo, in October, during 18.2 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. In Key Largo, Florida, during the entire year, the rain falls for 190.1 days and collects up to 27.05" (687mm) of precipitation.Ocean temperature
In Key Largo, the average seawater temperature in October is 82.9°F (28.3°C).Note: Surface water temperatures falling between 77°F (25°C) and 84.2°F (29°C) are regarded as prime and extremely agreeable for enduring periods during any water activity.
Daylight
The average length of the day in October in Key Largo is 11h and 34min.On the first day of October, sunrise is at 7:14 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 6:41 pm EDT.
Sunshine
In October, the average sunshine is 6.9h.UV index
The months with the highest UV index are April through October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 7 in October transforms into this advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Warning! Sand and water reflections boost the intensity of UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Key Largo, FL
- Average high temperature in October: 82.2°F
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is January (72.7°F).
- Average low temperature in October: 78.8°F
The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (66.9°F).
Average pressure in October
Key Largo, FL
- Average pressure in October: 29.94"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).
Average wind speed in October
Key Largo, FL
- Average wind speed in October: 12.5mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in October
Key Largo, FL
- Average humidity in October: 75%
The months with the highest relative humidity are February, June and December (76%).
The month with the lowest relative humidity is March (73%).
Average rainfall in October
Key Largo, FL
- Average rainfall in October: 3.19"
The wettest month (with the highest rainfall) is August (4.33").
The driest month (with the least rainfall) is March (0.59").
Average rainfall days in October
Key Largo, FL
- Average rainfall days in October: 18.2 days
The month with the highest number of rainy days is September (22.9 days).
The month with the least rainy days is February (9.7 days).
Average sea temperature in October
Key Largo, FL
- Average sea temperature in October: 82.9°F
The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is February (74°F).
Average daylight in October /
Average sunshine in October
Key Largo, FL
- Average daylight in October: 11h and 36min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in October: 6h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in October
Key Largo, FL
- Average sunshine days in October: 9.1 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is September (5.2 days).
Average UV index in October
Key Largo, FL
- Average UV index in October: 7
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in October
Key Largo, FL
- Average cloud cover in October: 35
The month with the most cloud cover is October (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 26).
Average visibility in October
Key Largo, FL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
