Star Harbor, TX climate
Star Harbor has mild winters and hot summers. A typical July afternoon reaches 95°, a January night drops to 36°.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Star Harbor feels like
Winter
Spring
Summer
Fall
Star Harbor weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 58° | 36° | 3.3" | 42° – 54° |
| February | 62° | 40° | 3.5" | 42° – 60° |
| March | 69° | 47° | 4.0" | 52° – 65° |
| April | 77° | 54° | 3.7" | 60° – 71° |
| May | 84° | 63° | 4.4" | 70° – 78° |
| June | 91° | 71° | 4.0" | 77° – 85° |
| July | 95° | 73° | 2.3" | 80° – 89° |
| August | 96° | 73° | 2.5" | 79° – 92° |
| September | 89° | 66° | 3.1" | 74° – 84° |
| October | 79° | 55° | 5.0" | 63° – 72° |
| November | 68° | 45° | 3.4" | 50° – 62° |
| December | 59° | 38° | 4.0" | 41° – 53° |
| Year | 77° | 55° | 43.1" |
“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 Star Harbor
Star Harbor gets 43 inches of rain and melted snow a year. October is the wettest month and July the driest.
About 242 frost-free days a year
In half of years the last 32° night comes by March 18 and the first one by November 12. That leaves about 242 frost-free days for gardens, longer than 89% of U.S. towns.
Heating and cooling a home in Star Harbor
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Star Harbor, 48% of that work is heating and 52% is cooling.
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 Star Harbor 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 Star Harbor averaged 0.6° warmer than the 1900s. The biggest change is in March (+1.7°). The shift is smaller than in 93% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Star Harbor’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 42° to 60°. June is the most reliable, staying within 8°.
Common questions about Star Harbor’s climate
What is the coldest month in Star Harbor?
January, with a typical high of 58° and a low of 36°.
What is the hottest month in Star Harbor?
August, with a typical high of 96° and a low of 73°. About 92 days a year reach 90°.
When is the first frost in Star Harbor?
In half of years the first 32° night comes by November 12, and the last spring frost by March 18.
What is the rainiest month in Star Harbor?
October, with 5.0 inches of rain and melted snow. The year totals 43 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Star Harbor itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Athens, TX (13 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.