Average Weather in Byrdstown Tennessee, United States
In Byrdstown, the summers are long, warm, and muggy; the winters are short and chilly; and it is wet and partly cloudy year round. Over the course of the year, the temperature typically varies from 29°F to 86°F and is rarely below 13°F or above 93°F.
The hot season lasts for 3.9 months, from May 24 to September 21, with an average daily high temperature above 78°F. The hottest day of the year is July 21, with an average high of 86°F and low of 68°F.
The cold season lasts for 2.9 months, from November 29 to February 26, with an average daily high temperature below 54°F. The coldest day of the year is January 29, with an average low of 29°F and high of 46°F.
Average High and Low Temperature
The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature
In Byrdstown, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.
The clearer part of the year in Byrdstown begins around June 13 and lasts for 5.0 months, ending around November 13. On September 21, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 67% of the time, and overcast or mostly cloudy 33% of the time.
The cloudier part of the year begins around November 13 and lasts for 7.0 months, ending around June 13. On January 3, the cloudiest day of the year, the sky is overcast or mostly cloudy 59% of the time, and clear, mostly clear, or partly cloudy 41% of the time.
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Byrdstown varies throughout the year.
The wetter season lasts 4.9 months, from March 23 to August 20, with a greater than 34% chance of a given day being a wet day. The chance of a wet day peaks at 44% on June 30.
The drier season lasts 7.1 months, from August 20 to March 23. The smallest chance of a wet day is 23% on October 30.
Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 44% on June 30.
Daily Chance of Precipitation
To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Byrdstown experiences some seasonal variation in monthly rainfall.
Rain falls throughout the year in Byrdstown. The most rain falls during the 31 days centered around December 3, with an average total accumulation of 4.5 inches.
The least rain falls around October 20, with an average total accumulation of 2.9 inches.
Average Monthly Rainfall
The sliding 31-day liquid-equivalent quantity of snowfall in Byrdstown does not vary significantly over the course of the year, staying within 0.1 inches of 0.1 inches throughout.
Average Liquid-Equivalent Monthly Snowfall
The length of the day in Byrdstown varies significantly over the course of the year. In 2017, the shortest day is December 21, with 9 hours, 40 minutes of daylight; the longest day is June 21, with 14 hours, 40 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 5:21 AM on June 13, and the latest sunrise is 1 hour, 46 minutes later at 7:07 AM on November 4. The earliest sunset is at 4:24 PM on December 6, and the latest sunset is 3 hours, 38 minutes later at 8:02 PM on June 28.
Daylight saving time (DST) is observed in Byrdstown during 2017, starting in the spring on March 12, lasting 7.8 months, and ending in the fall on November 5.
Sunrise & Sunset with Twilight and Daylight Saving Time
Byrdstown experiences extreme seasonal variation in the perceived humidity.
The muggier period of the year lasts for 4.1 months, from May 20 to September 23, during which time the comfort level is muggy, oppressive, or miserable at least 20% of the time. The muggiest day of the year is July 25, with muggy conditions 80% of the time.
The least muggy day of the year is December 16, when muggy conditions are essentially unheard of.
Humidity Comfort Levels
The average hourly wind speed in Byrdstown experiences mild seasonal variation over the course of the year.
The windier part of the year lasts for 6.3 months, from October 30 to May 9, with average wind speeds of more than 2.7 miles per hour. The windiest day of the year is February 25, with an average hourly wind speed of 3.5 miles per hour.
The calmer time of year lasts for 5.7 months, from May 9 to October 30. The calmest day of the year is August 1, with an average hourly wind speed of 1.9 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in Byrdstown varies throughout the year.
The wind is most often from the west for 1.4 weeks, from January 24 to February 3 and for 1.5 months, from June 26 to August 11, with a peak percentage of 39% on July 13. The wind is most often from the south for 4.8 months, from February 3 to June 26 and for 5.4 months, from August 11 to January 24, with a peak percentage of 40% on May 15.
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 4.5 months, from April 18 to September 3, with an average daily incident shortwave energy per square meter above 5.7 kWh. The brightest day of the year is June 23, with an average of 6.6 kWh.
The darker period of the year lasts for 3.0 months, from November 9 to February 9, with an average daily incident shortwave energy per square meter below 3.1 kWh. The darkest day of the year is December 24, with an average of 2.2 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Byrdstown are 36.575 deg latitude, -85.129 deg longitude, and 958 ft elevation.
The topography within 2 miles of Byrdstown contains very significant variations in elevation, with a maximum elevation change of 978 feet and an average elevation above sea level of 969 feet. Within 10 miles also contains very significant variations in elevation (1,168 feet). Within 50 miles contains very significant variations in elevation (2,851 feet).
The area within 2 miles of Byrdstown is covered by cropland (63%) and trees (37%), within 10 miles by trees (53%) and cropland (40%), and within 50 miles by trees (67%) and cropland (30%).
This report illustrates the typical weather in Byrdstown, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Byrdstown.
For each station, the records are corrected for the elevation difference between that station and Byrdstown 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 Byrdstown is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Byrdstown and a given station.
The stations contributing to this reconstruction are: Wayne County Airport (48%, 40 kilometers, northeast); Crossville Memorial Airport (19%, 70 kilometers, south); Glasgow Municipal Airport (14%, 89 kilometers, northwest); Oak Ridge (12%, 101 kilometers, southeast); and Smyrna Airport (7%, 140 kilometers, southwest).
Time zones for aiports and weather stations are provided by AskGeo.com .