Average monthly temperatures and weather for Key West (FL), united-states. The average annual temperature in Key West is 25.2 °C | 77.3 °F. Hurricane Season . Weather Highlights. On average, there are 260 sunny days per year in Key West. Charts: temperature and rainfall in Key West In the charts below, you can see the following seasonal norms for the city of Key West: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month … January is the coldest month, with temperatures averaging 20.8 °C | 69.4 °F.The variation in the precipitation between the driest and wettest months is 118 mm | 5 inch. Most of the precipitation here falls in September, averaging 161 mm | 6.3 inch.The temperatures are highest on average in August, at around 28.8 °C | 83.8 °F.

In the period from January to April, on average 40% of the days have a clear blue sky and no clouds. The US average is 205 sunny days. Precipitation is rain, snow, sleet, or hail that falls to the ground. To see the daily range of temperatures have a look at the The graph below shows the average rainfall and number of rainy days per month.The bar chart below shows the average daily sunshine hours in Key WestThe graph below shows the daily range of temperatures for each month.A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.The graph below shows the average relative humidity.Map showing location of Key West (24.5557, -81.78259) Most of the precipitation here falls in September, averaging 161 mm | 6.3 inch. Rain. Average Rainfall for Key West Key West gets some kind of precipitation, on average, 102 days per year. Throughout the year, temperatures vary by 8.0 °C | 46.4 °F.
The average in this month is 43 mm | 1.7 inch. The Florida Keys are a chain of islands that swing in a southwesterly arc from the southeast coast of the Florida peninsula, with the island of Key West being located near the western end this chain. The bar chart below shows the average monthly peak daytime temperatures at Key WestPlease note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. An average of 26.30°C | 79.34°F water temperatures is reached in Key West (Gulf of Mexico) over the year.At 30.30°C | 86.54°F, the average monthly water temperature reaches its highest value in the year in August. Climate data and weather averages in Key West. Warmest March: 1948, average of 78.3°F Driest March: 1893-1907-1971, total rainfall of a Trace Coldest March: 1915, average of 65.7°F Wettest March: 1987, total rainfall of 9.69" March 23rd, 1959 began the longest dry stretch (44-days) ever in Key West, never registering a T of rain, ended May 5th.

Key West average temperature. Annual Weather Averages in Key West. The least amount of rainfall occurs in March. The best month to swim in the sea is in August when the average sea temperature is 30°C (86°F). Whereas around January 26, the lowest value is around 22.10°C | 71.78°F.The closest Airports of Key West are: Key West International Airport (EYW) 2.03km,Miami International Airport (MIA) 203.51km,Southwest Florida International Airport (RSW) 220.19km© Climate-Data.org / AM OP / OpenStreetMap contributors A climate graph showing rainfall, temperatures and normals. Click on each of the measures in the key to toggle them on and off.The warmest month in Key West International, Key West, Florida is The wettest month by average rainfall in Key West, FL is The climate summary for this page is based on data from the Global Summary of the Day and is based on weather observations between January 1973 through to December 2012 at Key West International, Key West, Florida . Whereas around January 26, the lowest value is around 22.10°C | 71.78°F.The closest Airports of Key West are: Key West International Airport (EYW) 2.03km,Miami International Airport (MIA) 203.51km,Southwest Florida International Airport (RSW) 220.19km© Climate-Data.org / AM OP / OpenStreetMap contributors The month April is the sunniest. January is the coldest month, with temperatures averaging 20.8 °C | 69.4 °F.The variation in the precipitation between the driest and wettest months is 118 mm | 5 inch. Whereas in January the lowest value is measured with about 22.10°C | 71.78°F.With 30.30°C | 86.54°F, the water temperature reaches its highest value in the year around August 13.