Climateby Month

Galveston, TX weather in July

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

In July, Galveston sees highs around 91°F and lows around 80°F: hot and oppressively humid, with some rain. Rain falls on about 8 days. It is one of the warmest months in Galveston.

Normal high
91°F
Normal low
80°F
Wet days
8
3.4 in total
Muggy days
31
dew point 65°F+

How July changes from start to finish

Normal values at the start and end of July
July 1July 31
Normal high91°F92°F
Normal low79°F80°F
Chance of a wet day30%25%
Sunrise / sunset6:23 am / 8:22 pm6:39 am / 8:12 pm
Daylight14.0 h13.6 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 July day

  1. 6 am76°Fdew point 74°F
  2. 9 am85°Fdew point 75°F
  3. Noon90°Fdew point 72°F
  4. 3 pm91°Fdew point 71°F
  5. 6 pm88°Fdew point 72°F
  6. 9 pm82°Fdew point 73°F

NOAA hourly normals (local standard time) from Houston Intercont Airport (58 mi away); average wind 6 mph; clear or few clouds in 9% of daytime hours, mostly cloudy or overcast in 51%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph20 of 31
  • Hot dayshigh 90°F or more20 of 31
  • Muggy daysdaily mean dew point 65°F or more31 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 July, counted from daily records for each year 1991-2020.

Rain in July

Normal precipitation is 3.4 in; a dry July brings about 1.2 in and a wet one about 5.1 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.

How July varies from year to year

  • Warmest July, 1991-20202011: average high 92°F
  • Coolest July2007: average high 87°F
  • Wettest July2006: 9.4 in
  • Driest July1993: 0.1 in
  • Highest reading98°F (July 31, 2015)
  • Lowest reading71°F (July 5, 2007)

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

July compared with June and August

JuneJulyAugust
Normal high90°F91°F92°F
Normal low78°F80°F80°F
Wet days989
Comfortable days000
Daylight14.0 h13.8 h13.2 h

Highs change by +1°F from June and +1°F into August.

Nearby alternatives in July

How Galveston ranks in July

  • Normal high117th warmest of 378 cities; 37th of 38 in Texas
  • Wet days149th driest of 378
  • Comfortable days322nd most of 340

What to pack for Galveston in July

  • Light, breathable clothing – highs near 91°F and about 31 muggy days
  • A rain jacket or umbrella – rain on about 8 days
  • A swimsuit – about 20 beach days

Heating and cooling

July has 0 heating degree days and 636 cooling degree days (base 65°F), 14% of the year's total heating and cooling demand.

Questions

How hot is Galveston in July?

The normal high is 91°F and the normal low is 80°F. From 1991 to 2020 the hottest July reading was 98°F (July 31, 2015).

Does it rain a lot in Galveston in July?

About 8 days in July have at least 0.01 in of precipitation, and the normal total is 3.4 in. The wettest July in 1991-2020 was in 2006 (9.4 in); the driest was in 1993 (0.1 in).

Is July a good time to visit Galveston?

July ranks 11th of 12 months on our comfort score for Galveston (40 out of 100). It has almost no comfortable days and about 20 days 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.