Houston picked up 56.02 inches of rain in 2018. Measurable rain, 0.01 inch or more in a day, fell on 114 days at Houston Intercontinental Airport; the wettest day brought 4.31 inches on Dec 7, 2018. The 1991-2020 normal for a full year is 51.84 inches. The total landed 4.18 inches above the normal, which works out to 8% more. 2018 ranks 15th out of 56 complete years, wettest first, in a record that starts in 1969.
Monthly rain totals for 2018. Dark bars show measured amounts, light bars show the 1991-2020 normal for comparison.
Every day with measurable rain in 2018
Every day with measurable rain in 2018: Houston
Date
Rainfall
0.05″ inches
0.30″ inches
1.29″ inches
0.41″ inches
0.06″ inches
0.09″ inches
0.69″ inches
0.39″ inches
4.31″ inches
0.03″ inches
0.01″ inches
0.16″ inches
0.01″ inches
0.11″ inches
0.07″ inches
0.06″ inches
0.25″ inches
0.07″ inches
0.12″ inches
0.16″ inches
0.03″ inches
0.71″ inches
2.26″ inches
0.15″ inches
0.25″ inches
0.40″ inches
0.07″ inches
0.51″ inches
1.02″ inches
0.97″ inches
0.10″ inches
0.36″ inches
0.03″ inches
0.90″ inches
0.83″ inches
0.01″ inches
0.39″ inches
0.03″ inches
0.47″ inches
0.75″ inches
0.41″ inches
0.69″ inches
1.22″ inches
0.46″ inches
0.41″ inches
0.10″ inches
0.01″ inches
0.04″ inches
1.33″ inches
0.26″ inches
0.34″ inches
0.66″ inches
0.19″ inches
0.01″ inches
0.05″ inches
0.09″ inches
0.14″ inches
0.01″ inches
0.51″ inches
0.04″ inches
1.56″ inches
0.02″ inches
0.19″ inches
0.03″ inches
0.05″ inches
4.19″ inches
0.01″ inches
0.51″ inches
1.43″ inches
1.00″ inches
2.17″ inches
1.26″ inches
0.25″ inches
0.01″ inches
0.59″ inches
0.03″ inches
0.17″ inches
0.16″ inches
0.39″ inches
1.06″ inches
0.63″ inches
0.80″ inches
1.12″ inches
0.43″ inches
0.02″ inches
0.03″ inches
0.29″ inches
0.01″ inches
1.47″ inches
1.42″ inches
0.04″ inches
0.01″ inches
0.02″ inches
0.01″ inches
1.17″ inches
0.01″ inches
0.26″ inches
1.58″ inches
0.01″ inches
0.60″ inches
1.62″ inches
0.05″ inches
0.31″ inches
0.08″ inches
0.04″ inches
0.72″ inches
0.08″ inches
0.52″ inches
0.07″ inches
0.02″ inches
0.35″ inches
0.97″ inches
0.09″ inches
0.24″ inches
Daily totals come from Houston Intercontinental Airport, which appears in GHCN-Daily with records going back to 1969. Station observations are from GHCN-Daily, with a 1-3 day lag and quality checks by NOAA.
Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.