Rockport, TX climate
Rockport has warm winters and warm summers. A typical July afternoon reaches 91°, a January night drops to 48°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Rockport feels like
Winter
Spring
Summer
Fall
Rockport weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 65° | 48° | 2.2" | 0 | 8 | 0 | 52° – 62° |
| February | 68° | 52° | 1.9" | 0 | 7 | 0 | 53° – 69° |
| March | 73° | 59° | 2.6" | 0 | 6 | 0 | 59° – 71° |
| April | 79° | 65° | 2.0" | 0 | 6 | 0 | 66° – 76° |
| May | 84° | 72° | 3.8" | 0 | 5 | 0 | 75° – 80° |
| June | 89° | 77° | 4.0" | 0 | 6 | 0 | 80° – 85° |
| July | 91° | 78° | 2.9" | 0 | 5 | 0 | 82° – 87° |
| August | 92° | 78° | 2.5" | 0 | 5 | 0 | 83° – 87° |
| September | 89° | 74° | 5.5" | 0 | 10 | 0 | 79° – 85° |
| October | 83° | 67° | 3.6" | 0 | 7 | 0 | 72° – 79° |
| November | 74° | 58° | 2.7" | 0 | 6 | 0 | 61° – 72° |
| December | 67° | 50° | 1.9" | 0.3" | 6 | 0 | 52° – 63° |
| Year | 79° | 65° | 35.4" | 0.3" | 76 | 0 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Rockport
Rockport gets 35 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 76 days a year.
A year-round growing season
Heating and cooling a home in Rockport
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Rockport, 18% of that work is heating and 82% is cooling, so air conditioning is the bigger bill.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Rockport compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Rockport averaged 1.5° warmer than the 1900s. The biggest change is in February (+2.5°). The shift is larger than in 71% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Rockport’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 53° to 69°. August is the most reliable, staying within 4°.
Common questions about Rockport’s climate
What is the coldest month in Rockport?
January, with a typical high of 65° and a low of 48°.
What is the hottest month in Rockport?
August, with a typical high of 92° and a low of 78°. About 105 days a year reach 90°.
How much snow does Rockport get?
Almost none. A normal year brings 0.3 inches.
When is the first frost in Rockport?
Frost is uncommon. Only 70% of years see a night at 32° or below.
What is the rainiest month in Rockport?
September, with 5.5 inches of rain and melted snow. The year totals 35 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Rockport itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Rockport, TX (2 mi, snow) and Rockport Aransas Co Airport, TX (2 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.