Hurricanes and Tornadoes That Hit Pasadena, TX

The nearest NOAA station with 1991–2020 climate normals is Houston Hobby Airport, TX, 7 miles southwest of Pasadena at 44 feet. August is the warmest, with an average high of 94°F and low of 77°F; January is the coolest, at 64°F and 46°F. June is the wettest at 6.1 inches of precipitation on average and February the driest at 2.9 inches; the year adds up to 55.7 inches over 66 days with at least a tenth of an inch. June to November, the hurricane season months, bring 57% of the year's precipitation (31.6 of 55.7 inches); the other six months are drier. September has brought the most of the 55 tropical systems that passed within 75 miles (18); a normal September there has highs of 89°F and 5.8 inches of precipitation. Highs reach 90°F on about 101 days a year, almost all from May to October. Lows fall below freezing on about 4 nights a year. That 55.7 inches is more than at 295 of the 312 Texas stations used on this site (95%). Galena Park, 5 miles northwest, has its own station (Houston-Port, TX): 54.3 inches a year, 1.4 less than here, and the same August average high, 94°F.

Water temperature at the NOAA tide station Manchester, TX, 6 miles northwest, averaged 89°F in August and 60°F in February over 2021–2025. It averaged 80°F or warmer from June to October. Sea level at the Morgans Point tide gauge, 12 miles from Pasadena, has risen 1.50 ± 0.24 inches per decade from 1993 to 2025, NOAA's linear trend; at that pace it is 15.0 inches in a hundred years. That is faster than at 90 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 167 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Pasadena: 113 thunderstorm wind reports, 34 flash floods, 13 lightning strikes, 5 heavy rain events and 2 floods. They killed 4 people and injured 24, and the NWS estimated $8.5 million in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on August 26, 2008. August has had the most flash floods, 8 of 34. Of the 745 Texas cities on this site with a flash flood on record, 592 have had fewer than Pasadena.

Flood insurance policyholders in Pasadena's 6 ZIP codes have filed 6,790 claims with the National Flood Insurance Program since 1978, and were paid $194.1 million for buildings and contents, in the dollars of each year. The most came from Tropical Storm Allison in 2001: 1,602 claims (24% of all) and $42.8 million, then Hurricane Harvey in 2017 with 1,383 and Flooding in 1981 with 1,173. The year with the most claims was 2017, with 1,396. 80% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 433 Texas cities on this site with 10 or more claims, 427 have fewer than Pasadena.