based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details. Show
Florida Keys Travel Guide
Other Florida Keys Travel InfoWeather in Florida KeysTemperatureAverage temperatures in Florida Keys vary somewhat. Considering humidity, temperatures feel hot for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is somewhat temperate — in the 40th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Florida Keys, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 92.5°F (33.6°C) with temperatures rarely dropping below 80.4°F (26.9°C) at night. Florida Keys Temperatures (Fahrenheit)KeyHigh Average Low Florida Keys Temperatures (Celsius)KeyHigh Average Low “Feels-Like” TemperaturesThe way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person. Florida Keys Perceived Temperature (F)KeyHigh Average Low Florida Keys Perceived Temperature (C)KeyHigh Average Low
Average Florida Keys Temperatures by MonthDaily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night. Show FahrenheitMonthAvg. High (°F)Avg. Mean (°F)Avg. Low (°F)Jan76.770.164.9Feb78.271.466.2Mar80.673.668.4Apr84.878.573.3May87.781.576.4Jun9084.178.7Jul91.485.279.5Aug91.885.579.9Sep89.883.978.3Oct86.280.775.9Nov80.874.970.2Dec78.572.768.1 Show CelsiusMonthAvg. High (°C)Avg. Mean (°C)Avg. Low (°C)Jan24.821.218.3Feb25.721.919Mar2723.120.2Apr29.325.822.9May30.927.524.7Jun32.228.925.9Jul3329.626.4Aug33.229.726.6Sep32.128.825.7Oct30.127.124.4Nov27.123.821.2Dec25.822.620.1
Precipitation (Rain or Snow)If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Florida Keys are January, November, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid May. For example, on the week of May 7th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late September with an average of 3 days of significant precipitation the week of September 24th. When can you find snow in Florida Keys? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported. Chance of PrecipitationThe graph below shows the % chance of rainy and snowy days in Florida Keys. KeyDays with precipitation Snow on the GroundThe graph below shows the average snow on the ground in Florida Keys (in). KeySnow depth Average Rain and Snow by MonthShow InchesMonthDaily Chance of RainAverage Snow Depth (in)Total Precipitation (in)Jan9%01.4Feb13%02.1Mar11%01.3Apr10%03.1May14%03.1Jun22%04.5Jul22%03.7Aug27%05.8Sep37%06.7Oct24%07Nov10%02.3Dec10%02.1 Show CentimetersMonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)Jan903.6Feb1305.3Mar1103.3Apr1007.9May1407.9Jun22011.4Jul2209.4Aug27014.7Sep37017Oct24017.8Nov1005.8Dec1005.3
Humidity and WindFlorida Keys has some very humid months, with other comfortably humid months. The least humid month is April (59.9% relative humidity), and the most humid month is December (70.9%). Wind in Florida Keys is usually calm. The windiest month is November, followed by March and December. November’s average wind speed of around 8 knots (9.2 MPH or 14.8 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late October where average top sustained speeds reach 13 knots, which is considered a moderate breeze. Relative Humidity (%)The graph below shows the average % humidity by month in Florida Keys. KeyAvg. Relative Humidity WindThe graph below shows wind speed (max and average) in knots. KeyMax Sustained Wind Average Daily Wind Average Wind SpeedsShow Wind SpeedsAll wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH. Show Relative Humidity by MonthMonthAvg. Relative HumidityJan67.2%Feb66.8%Mar60.2%Apr59.9%May60.6%Jun65%Jul64%Aug65.4%Sep69.7%Oct68.8%Nov68.1%Dec70.9%
Is it Safe to Travel to Florida Keys?Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019. The Busiest and Least Crowded MonthsThe busiest month for tourism in Florida Keys, FL, US is March, followed by January and February. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Florida Keys in November. Those willing to visit at these times will likely find it the least expensive month. Estimated Tourism by Month
Most Popular Months to VisitKeyTourists Seeking Accommodations Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 54.5 in November means 54.5% of the tourists vs. March.
Overall Florida Keys Travel Experience by SeasonSpring (March through May)Humidity and temperatures combine to make this season feel warm. Highs range from 88.5°F (31.4°C) and 79.2°F (26.2°C) with warmer temperatures in the later months. Rain is rare with 3 to 4 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do. Summer (June through August)The middle-year months have hot weather with high temperatures that are quite warm. These months see the most precipitation with 7 to 8 days of precipitation per month. June – August is fairly slow season for tourism in Florida Keys, so lodging and other accommodations may cost slightly less. Fall (September through November)Fall daily highs range from 91°F (32.8°C) and 79.6°F (26.4°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 3 to 11 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced. Winter (December through February)Weather is perfect this time of year in Florida Keys to be enjoyable for warm weather travelers. The average high during this season is between 79.4°F (26.3°C) and 75.9°F (24.4°C). On average, it rains or snows a smalll amount: 3 to 4 times per month. These times of year are the second busiest with tourists. What is the best month to visit the Florida Keys?The best time to visit Key West is between March and May. The winter crowds will taper off, the hotel rates become reasonable and the weather is remarkably similar to winter's blissful 70s and 80s. Speaking of winter – that season is the island's busiest and priciest.
What is the coldest month in the Florida Keys?Key West's coldest month is January when the average temperature overnight is 65.2°F. In August, the warmest month, the average day time temperature rises to 89.5°F.
What is the weather like year round in Florida Keys?In Florida Keys, the summers are long, hot, oppressive, wet, and mostly cloudy and the winters are short, comfortable, humid, windy, and mostly clear. Over the course of the year, the temperature typically varies from 65°F to 89°F and is rarely below 56°F or above 91°F.
How warm is it in the Keys right now?High 79F. Winds NNW at 10 to 15 mph. Chance of rain 40%.
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