Miami Weather Averages
Miami, Florida enjoys warm and sunny weather year round. While the city's climate does get stormy from around June to October, even then the skies are mainly clear.
This page gives detailed information on the annual temperature, precipitation, sun, humidity, wind and storm averages for Miami. The numbers here are historical averages based on climate data gathered at the Miami International Airport, located five miles west of downtown Miami.
|84 °F||annual average high||29 °C|
|71 °F||annual average low||22 °C|
Miami's coldest days of the year usually occur in mid January when the daily maximum temperature averages 76 degrees Fahrenheit (25 degrees Celsius) and the minimum averages 61 °F (16 °C).
The year's hottest days are normally in July and August. The average temperature peaks then with daily highs of 91 °F (33 °C) and nighttime lows of 78 °F (25 °C).
|294 days||80 °F max. or more (27 °C)|
|44 days||60 °F min. or less (16 °C)|
Miami averages 91 days a year when the thermometer reaches into the 90s °F (over 32 °C). But the temperature normally doesn't climb above 100 °F (38 °C).
The thermometer dips to 50 °F (10 °C) or below on an average of eight nights a year. Only once a year on average does Miami get as cold as 40 °F (4 °C).
|67.4 in||total precipitation||1712 mm|
|141 days||with rainfall|
June and September are usually the wettest months of the year in Miami, while January is the driest.
|74 days||clear skies|
The sun's rays reach the ground in Miami during 70 percent of daylight hours on average year round, for a total of 3106 hours annually. Typically on 74 days a year the sky is mainly clear, with at most 30 percent cloud cover.
Sunlight in Miami averages 12 hours and 9 minutes a day. The shortest days of the year in mid December have 10 hours and 32 minutes of daylight. The year's longest days in mid June last 13:45 from sunrise to sunset.
|73 %||average humidity|
The annual average for relative humidity in Miami ranges throughout the day from 84 percent at 7:00 am to 61 percent at 1:00 pm standard time.
|Local Time||1 am||4 am||7 am||10 am||1 pm||4 pm||7 pm||10 pm||Humidity %||81||84||84||68||61||62||71||77|
|9.2 mph||wind speed average||14.8 kph|
April is usually the windiest month for Miami, and the wind is calmest during July and August.
|21 days||precipitation of 1 inch (25 mm) or more|
|72 days||with thunderstorms a year|
|8 %||chance a named storm makes landfall|
Thunderstorms can appear over Miami during any month, but are most frequent during July and August.
In any year, there's a 6 percent probability that a hurricane will reach land in Miami-Dade county, which includes Miami. For major hurricanes of category 3 to 5, the likelihood drops to three percent. Named storms usually arrive during the months of June to November, while hurricanes are generally restricted to August, September and October.
The chances that a wind gust reaches 40 miles per hour (64 kilometres an hour) or greater is 33 percent a year. Intense hurricane force winds that top 115 mph (185 kph) have a four percent probability of blasting the county.
The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals. The named storm and wind gust probability information comes from United States Landfalling Hurricane Probability Project of Colorado State University and Bridgewater State University.