Whats the weather like in the florida keys

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Florida Keys Travel Guide

  • Weather
    • Temperature
      • Perceived Temperature
    • Rain and snow
    • Humidity and wind
  • Safety
  • The busiest and least popular months
  • Overall travel experience by time of year
  • Other Florida Keys Travel Info

      Weather in Florida Keys

      Temperature

      Average 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)

      Key

      High

      Average

      Low

      Florida Keys Temperatures (Celsius)

      Key

      High

      Average

      Low

      “Feels-Like” Temperatures

      The 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)

      Key

      High

      Average

      Low

      Florida Keys Perceived Temperature (C)

      Key

      High

      Average

      Low

       

      Average Florida Keys Temperatures by Month

      Daily 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 Fahrenheit

      MonthAvg. 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 Celsius

      MonthAvg. 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 Precipitation

      The graph below shows the % chance of rainy and snowy days in Florida Keys.

      Key

      Days with precipitation

      Snow on the Ground

      The graph below shows the average snow on the ground in Florida Keys (in).

      Key

      Snow depth

      Average Rain and Snow by Month

      Show Inches

      MonthDaily 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 Centimeters

      MonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)Jan903.6Feb1305.3Mar1103.3Apr1007.9May1407.9Jun22011.4Jul2209.4Aug27014.7Sep37017Oct24017.8Nov1005.8Dec1005.3

       

      Humidity and Wind

      Florida 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.

      Key

      Avg. Relative Humidity

      Wind

      The graph below shows wind speed (max and average) in knots.

      Key

      Max Sustained Wind

      Average Daily Wind

      Average Wind Speeds

      Show Wind Speeds

      All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

      MonthAvg. WindAvg. Wind FeelSustained High WindHigh Wind FeelJan7.2Gentle breeze11.8Significant breezeFeb6.9Light breeze11.2Significant breezeMar7.7Gentle breeze11.9Significant breezeApr7.3Gentle breeze11.3Significant breezeMay6.9Light breeze11.2Significant breezeJun5.7Light breeze10.4Gentle breezeJul5Light breeze9.7Significant breezeAug5.3Light breeze10.3Gentle breezeSep5.6Light breeze10.7Significant breezeOct7.4Gentle breeze11.8Significant breezeNov8Gentle breeze12.1Significant breezeDec7.4Gentle breeze11.5Significant breeze


      Show Relative Humidity by Month

      MonthAvg. 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 Months

      The 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 Visit

      Key

      Tourists 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 Season

      Spring (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%.