Climate Normals

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

...Climate...Normals...Means and Extremes for July... ...Jackson Kentucky (JKL)... Temperature data... Average maximum........... 84.1 Average minimum........... 65.0 Average monthly........... 74.5 Highest................... 101 on the 17th & 18th in 1988 Lowest.................... 45 on the 29th in 1986/8th in 1989 Low maximum.............. 65 on the 12th in 2004 High minimum.............. 76 on the 24th in 2007 Normal days with high 90 or above..... 4.4 Normal days with high 32 or below..... 0.0 Normal days with low 32 or below..... 0.0 Normal days with low 0 or below..... 0.0 Degree Days (base 65)..... Heating Cooling Monthly average........... 2 298 Greatest monthly.......... 15 in 1986 473 in 1995 Least monthly............. 0 in many years 183 in 1997 Precipitation data... Monthly average........... 3.69 inches Wettest................... 10.04 inches in 2013 Driest.................... 1.16 inches in 2008 Greatest 24 hour.......... 3.84 inches on the 24th in 1999 Average days of thunder... 7.4 Average days of dense fog. 8.3 Average snowfall.......... 0 inches Greatest snowfall......... 0 inches Greatest 24 hour snowfall. 0 inches Greatest snow depth....... 0 inches ...London Kentucky (LOZ)... Temperature data... Average maximum........... 85.7 Average minimum........... 64.7 Average monthly........... 75.2 Highest................... 102 on the 16th in 2007 Lowest.................... 44 on the 29th in 1986 Low maximum............... 62 on the 12th in 2004 High minimum.............. 75 on the 6th in 2011 Normal days with high 90 or above..... 5.0 Normal days with high 32 or below..... 0.0 Normal days with low 32 or below..... 0.0 Normal days with low 0 or below..... 0.0 Degree Days (base 65)..... Heating Cooling Monthly average........... 1 317 Greatest monthly.......... 18 in 1964 519 in 2007 Least monthly............. 0 in many years 149 in 1967 Precipitation data... Monthly average........... 3.71 inches Wettest................... 7.51 inches in 2003 Driest.................... 0.45 inches in 2007 Greatest daily rain....... 3.29 inches on the 18th in 2010 Average snowfall.......... 0 inches Greatest snowfall......... 0 inches Greatest daily snowfall... 0 inches ***Snowfall records for London were kept between 1954 and 1996*** The latest climate outlook for August indicates that eastern Kentucky will be in a weather pattern more conducive to near normal precipitation and near normal temperatures. For more information on climate outlooks try this internet address: http://www.cpc.ncep.noaa.gov Climate weather records at the Julian Carroll Airport near Jackson Kentucky (JKL) date back to January 1st 1981. Climate weather records at the London-Corbin Magee Field Airport (LOZ) date back to November 11th 1954.