Climateby Month

Galveston, TX weather in October

NOAA 1991-2020 normals and daily records · Galveston all year

Galveston is warm and often humid in October, with some rain: highs average 82°F and nights drop to about 69°F. Expect about 8 wet days.

Normal high
82°F
Normal low
69°F
Wet days
8
5.2 in total
Muggy days
18
dew point 65°F+

How October changes from start to finish

Normal values at the start and end of October
October 1October 31
Normal high86°F77°F
Normal low73°F64°F
Chance of a wet day26%24%
Sunrise / sunset7:12 am / 7:05 pm7:31 am / 6:34 pm
Daylight11.9 h11.0 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).

A typical October day

  1. 6 am63°Fdew point 60°F
  2. 9 am71°Fdew point 62°F
  3. Noon78°Fdew point 60°F
  4. 3 pm80°Fdew point 60°F
  5. 6 pm74°Fdew point 61°F
  6. 9 pm69°Fdew point 62°F

NOAA hourly normals (local standard time) from Houston Intercont Airport (58 mi away); average wind 7 mph; clear or few clouds in 37% of daytime hours, mostly cloudy or overcast in 41%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F6 of 31
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph15 of 31
  • Hot dayshigh 90°F or more1 of 31
  • Muggy daysdaily mean dew point 65°F or more18 of 31
  • Wet daysat least 0.01 in of rain or melted snow8 of 31
  • Notable rainat least 0.10 in5 of 31
  • Freezing nightslow 32°F or below0 of 31

Average days per October, counted from daily records for each year 1991-2020.

Rain in October

Normal precipitation is 5.2 in; a dry October brings about 2.5 in and a wet one about 6.8 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.

How October varies from year to year

  • Warmest October, 1991-20202004: average high 84°F
  • Coolest October1997: average high 77°F
  • Wettest October2002: 11.8 in
  • Driest October2010: 0.1 in
  • Highest reading92°F (October 4, 2019)
  • Lowest reading43°F (October 30, 1993)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

October compared with September and November

SeptemberOctoberNovember
Normal high89°F82°F72°F
Normal low76°F69°F59°F
Wet days1089
Comfortable days0611
Daylight12.3 h11.4 h10.7 h

Highs change by -7°F from September and -10°F into November.

How Galveston ranks in October

  • Normal high62nd warmest of 378 cities; 14th of 38 in Texas
  • Wet days208th driest of 378
  • Comfortable days283rd most of 340

What to pack for Galveston in October

  • A swimsuit – about 15 beach days

Heating and cooling

October has 8 heating degree days and 328 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.

Questions

How hot is Galveston in October?

The normal high is 82°F and the normal low is 69°F. From 1991 to 2020 the hottest October reading was 92°F (most recently on October 4, 2019).

Does it rain a lot in Galveston in October?

About 8 days in October have at least 0.01 in of precipitation, and the normal total is 5.2 in. The wettest October in 1991-2020 was in 2002 (11.8 in); the driest was in 2010 (0.1 in).

Is October a good time to visit Galveston?

October ranks 7th of 12 months on our comfort score for Galveston (55 out of 100). It has about 6 comfortable days and about 1 day at 90°F or hotter. The best months are March, April and November.

Where the numbers come from

  • Temperature and rain: Galveston Scholes Fld (USW00012923), 4.2 mi WSW of the city center, 5 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Houston Nwso (USC00414333), 21 mi NW of the city center, 19 ft . NOAA normals and daily records, 1991-2020.
  • Frost dates: Galveston (USW00012944), 0.2 mi SW of the city center, 7 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Houston Intercont Airport (USW00012960), 58 mi NW of the city center, 95 ft (89 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Scholes Intl At Glston Apt (722420-12923), 4.5 mi WSW of the city center, 5 ft . Hourly observations, 1991-2020.