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Climate Statistics · City

Normal annual rainfall in Houston

1991–2020 · 1 data point Updated Oct 21, 2026
Climate · Houston

Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1991–2020

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Latest value · 1991–2020 55.6 in
Weather through the year long-term average 1991–2020 · Houston William P Hobby Ap weather station, 15 km away
64° 46°
Jan
67° 50°
Feb
73° 56°
Mar
79° 62°
Apr
86° 69°
May
91° 75°
Jun
93° 76°
Jul
94° 76°
Aug
89° 73°
Sep
82° 64°
Oct
73° 54°
Nov
66° 48°
Dec
4.1
2.9
3.3
4.1
5.4
6.1
4.6
5.4
5.8
5.8
3.9
4.3
High and low, °F Precipitation, inches

Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1991–2020

What it means

How much rain and snow (as water) falls in a typical year.

How it is calculated

Sum of the twelve monthly precipitation normals at the nearest weather station: 1991–2020, or the latest ten years; months with a few missing days are scaled up.