Bristol Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Bristol, Tennessee. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Bristol?
In Bristol, July has the greatest precipitation of any month. On average, Bristol gets 5.0 inches of precipitation in July.
However, February is the month with the greatest chance of precipitation. 44.6% of days in February will have at least some rain or snow.
What's the Driest Month in Bristol?
In Bristol, October has the least precipitation of any month. On average, Bristol gets 2.51 inches of precipitation in October.
October is also the month where rain is least common. 27.5% of days in October will have measurable rain or snow.
Month Precipitation % Chance
January 3.65 in 41.0
February 3.81 in 44.6
March 3.96 in 43.8
April 3.79 in 39.1
May 3.82 in 40.6
June 3.92 in 41.3
July 5.00 in 41.3
August 3.76 in 34.9
September 2.83 in 28.0
October 2.51 in 27.5
November 3.13 in 32.6
December 3.76 in 39.5
Year 43.95 in 37.8
Weather Station Details
Years Station Coordinates
1937–2024 Bristol Tri City Airport location
1893–1936 Johnson City location