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Houston rainfall for 2021

Houston picked up 50.87 inches of rain in 2021. Measurable rain, 0.01 inch or more in a day, fell on 108 days at Houston Intercontinental Airport; the wettest day brought 3.77 inches on Jun 2, 2021. The 1991-2020 normal for a full year is 51.84 inches. The total landed 0.97 inches below the normal, which works out to 2% less. 2021 ranks 25th out of 56 complete years, wettest first, in a record that starts in 1969.

Previous year, 2020Following year, 2022Back to Houston rainfall totals

Houston rainfall for 2021

Houston rainfall for 2021
Year total50.87 inches2021
1991-2020 normal51.84 inchesAverages are 1991-2020 normals from NCEI.
Departure vs normal-0.97 inches (-2%)98% of normal
Year rank25th of 56Complete years from 1969, wettest first
Rain days108
Wettest day3.77 inches

Rain by month in 2021

Measured total1991-2020 normal
Monthly rain totals for 2021. Dark bars show measured amounts, light bars show the 1991-2020 normal for comparison.

Every day with measurable rain in 2021

Every day with measurable rain in 2021: Houston
DateRainfall
0.06 inches
1.55 inches
0.34 inches
0.15 inches
0.04 inches
0.13 inches
1.87 inches
0.01 inches
1.02 inches
0.78 inches
0.78 inches
0.01 inches
0.01 inches
0.58 inches
0.10 inches
0.50 inches
0.29 inches
1.37 inches
0.07 inches
1.19 inches
0.66 inches
0.05 inches
0.27 inches
1.53 inches
1.11 inches
0.55 inches
1.79 inches
0.74 inches
0.77 inches
0.21 inches
0.01 inches
0.29 inches
0.27 inches
0.01 inches
0.01 inches
0.02 inches
0.01 inches
0.30 inches
0.18 inches
0.43 inches
1.24 inches
0.57 inches
0.05 inches
0.11 inches
0.01 inches
0.12 inches
0.12 inches
0.09 inches
0.77 inches
1.50 inches
0.61 inches
0.01 inches
0.35 inches
0.32 inches
0.37 inches
0.01 inches
0.24 inches
1.21 inches
3.77 inches
0.08 inches
0.03 inches
0.03 inches
0.06 inches
0.04 inches
2.63 inches
0.02 inches
0.35 inches
0.28 inches
1.21 inches
1.43 inches
2.65 inches
0.18 inches
0.02 inches
0.08 inches
0.78 inches
0.08 inches
1.30 inches
1.90 inches
0.29 inches
0.02 inches
0.17 inches
0.07 inches
0.06 inches
0.03 inches
0.01 inches
0.03 inches
0.01 inches
0.38 inches
0.01 inches
0.03 inches
0.01 inches
0.47 inches
0.01 inches
0.42 inches
0.02 inches
0.04 inches
0.54 inches
0.09 inches
0.23 inches
0.01 inches
0.50 inches
0.23 inches
0.01 inches
0.05 inches
0.01 inches
0.21 inches
1.19 inches
1.04 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.