What is the average rainfall in louisville ky

The drier season lasts 7. The month with the fewest wet days in Louisville is January , with an average of 7. Among wet days, we distinguish between those that experience rain alone , snow alone , or a mixture of the two. The month with the most days of rain alone in Louisville is June , with an average of To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding day period centered around each day of the year.

Louisville experiences significant seasonal variation in monthly rainfall. Rain falls throughout the year in Louisville. The month with the most rain in Louisville is May , with an average rainfall of 4. The month with the least rain in Louisville is January , with an average rainfall of 2. As with rainfall, we consider the snowfall accumulated over a sliding day period centered around each day of the year.

Louisville experiences some seasonal variation in monthly snowfall. The snowy period of the year lasts for 3. The month with the most snow in Louisville is February , with an average snowfall of 2. The snowless period of the year lasts for 8. The least snow falls around July 16 , with an average total accumulation of 0. The length of the day in Louisville varies significantly over the course of the year. In , the shortest day is December 21 , with 9 hours, 30 minutes of daylight; the longest day is June 20 , with 14 hours, 50 minutes of daylight.

The earliest sunrise is at AM on June 13 , and the latest sunrise is 1 hour, 56 minutes later at AM on November 6. The earliest sunset is at PM on December 6 , and the latest sunset is 3 hours, 48 minutes later at PM on June Daylight saving time DST is observed in Louisville during , starting in the spring on March 14 , lasting 7.

The figure below presents a compact representation of key lunar data for The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars new Moons and blue bars full Moons indicate key Moon phases. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body.

Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. The muggier period of the year lasts for 4. The month with the most muggy days in Louisville is July , with The least muggy day of the year is February 11 , when muggy conditions are essentially unheard of.

This section discusses the wide-area hourly average wind vector speed and direction at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Louisville experiences significant seasonal variation over the course of the year. The windier part of the year lasts for 6. The windiest month of the year in Louisville is March , with an average hourly wind speed of 8. The calmer time of year lasts for 5. The calmest month of the year in Louisville is July , with an average hourly wind speed of 5. The wind is most often from the south for 3.

The wind is most often from the west for 1. To characterize how pleasant the weather is in Louisville throughout the year, we compute two travel scores. Based on this score, the best times of year to visit Louisville for general outdoor tourist activities are for the entire month of June and from late July to late September , with a peak score in the first week of September.

Based on this score, the best time of year to visit Louisville for hot-weather activities is from late June to early September , with a peak score in the last week of July. For each hour between AM and PM of each day in the analysis period to , independent scores are computed for perceived temperature, cloud cover, and total precipitation.

Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. Our precipitation score , which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.

The growing season in Louisville typically lasts for 7. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. Based on growing degree days alone, the first spring blooms in Louisville should appear around March 8 , only rarely appearing before February 18 or after March This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents.

Shortwave radiation includes visible light and ultraviolet radiation. The average daily incident shortwave solar energy experiences significant seasonal variation over the course of the year. The brighter period of the year lasts for 4. The brightest month of the year in Louisville is July , with an average of 6. The darker period of the year lasts for 3. The darkest month of the year in Louisville is December , with an average of 2. For the purposes of this report, the geographical coordinates of Louisville are The topography within 2 miles of Louisville contains only modest variations in elevation, with a maximum elevation change of feet and an average elevation above sea level of feet.

Within 10 miles contains only modest variations in elevation feet. Within 50 miles also contains significant variations in elevation feet.

This report illustrates the typical weather in Louisville, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, to December 31, There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Louisville. For each station, the records are corrected for the elevation difference between that station and Louisville according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Louisville is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Louisville and a given station. To get a sense of how much these sources agree with each other, you can view a comparison of Louisville and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

All data relating to the Sun's position e. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a kilometer grid. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database. Time zones for airports and weather stations are provided by AskGeo.

The windiest month with the highest average wind speed is January 7. The calmest months with the lowest average wind speed are July and August 4.

The wettest months with the highest rainfall are May and July 1. The driest months with the least rainfall are January and September 1.

The month with the highest number of rainy days is May 16 days. The month with the least rainy days is February 8. The month with the highest snowfall is February 1. The month with the highest number of snowfall days is January 7.

The month with the longest days is June Average daylight: The month with the shortest days is December Average daylight: 9. Months with the most sunshine are June and July Average sunshine: Months with the least sunshine are January and December Average sunshine: 4. The month with the most sunshine days is November The month with the least sunshine days is May The month with the most cloud cover is January Cloud cover The month with the least cloud cover is August Cloud cover Months with the lowest visibility are January , February and May 5mi.

Kentucky, USA: Monthly weather forecast and climate Louisville , KY. Louisville city at dusk, Kentucky. January , the same as December , is a wintry winter month in Louisville , Kentucky , with average temperature fluctuating between With an average high-temperature of Weather in January ».

The last month of the winter, February , is a frosty month in Louisville , Kentucky , with average temperature varying between In Louisville, the average high-temperature in February is essentially the same as in January - a chilly Weather in February ». March , the first month of the spring, in Louisville , is a fresh month, with temperature in the range of an average low of In Louisville, the average high-temperature in March increases, from a chilly Weather in March ».

April is a comfortable spring month in Louisville , Kentucky , with temperature in the range of an average high of In Louisville, the average high-temperature in April rises, from a cool Weather in April ». May , the last month of the spring, in Louisville , is a warm month, with average temperature ranging between max In Louisville, the average high-temperature increases, from a comfortable Weather in May ».

In Louisville, Kentucky, the average high-temperature slightly increases, from a warm Weather in June ». July in Louisville , Kentucky , is a hot summer month, with average temperature fluctuating between The average heat index is appraised at a sweltering Weather in July ». The last month of the summer, August , is also a moderately hot month in Louisville , Kentucky , with temperature in the range of an average high of In August, the average high-temperature is practically the same as in July - a warm Weather in August ».

September , the first month of the autumn, in Louisville , is also a moderately hot month, with temperature in the range of an average low of In Louisville, Kentucky , the average high-temperature marginally drops, from Weather in September ».

October , like September , in Louisville , Kentucky , is another enjoyable autumn month, with average temperature fluctuating between In Louisville, the average high-temperature in October decreases, from a warm Weather in October ». November , the last month of the autumn, in Louisville , is also a fresh month, with average temperature fluctuating between In Louisville, the average high-temperature decreases, from a comfortable Weather in November ».

December , the first month of the winter, in Louisville , is also a frosty month, with average temperature varying between In Louisville, the average high-temperature drops, from a fresh Weather in December ».

FAQ What is the coldest month in Louisville? How much does it rain in Louisville? In Louisville, Kentucky, during the entire year, the rain falls for What is the driest month in Louisville? Months with the least rainfall in Louisville are January and September Rain falls for 9 days and accumulates 1.

When does it snow in Louisville? Months with snowfall are January through April , November and December. How many days does it snow in Louisville?