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Galveston Wedding Weather

Galveston wedding weather is a key search for many couples planning their Galveston destination wedding. When you’re planning your Galveston destination wedding and at some point the key question is bound to surface: “What’s the weather going to be like for our wedding?” Even though we’ve listed a chart of daily Galveston daily weather averages here, we thought it would be even better to break down your wedding weather even further.

When you think of Galveston wedding weather, chances are you’re planning an outdoor beach, you envision a beautiful Galveston garden wedding or maybe you’re planning to take advantage of wonderful outdoor scenery, adventure and all that Galveston has to offer. What ever your reasons, there’s several factors to consider when mapping out your Galveston wedding weather as it appeals to the timing of your wedding.

Galveston is absolutely a year round destination.  Let me tell you why.

Galveston Average Tempatures

When looking at Galveston wedding weather, it’s wonderful to know that when looking at the average temperature on any given day, we rarely see temperatures below 39°F in the winter months and 93°F in the summer. In fact, over the past ten years, Galveston’s typical temperature ranged from 49°F to 90°F.

Galveston Average Daily High and Low Temperatures

The daily average low (blue) and high (red) temperature with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).


Galveston’s warm season begins on May 26th and last until September 24th. During this period the average daily high temperature is 84°F. The hottest day on the annual calendar is August 11th where the average high is 90°F and the average low is 81°F.

Galveston’s cold season begins on November 29th and goes on until February 29th.  The average temperature is a beautiful 67°F. The average low during our cold season is a 49°F, which typically is an overnight low. The coldest day of the year is January 3rd. The average high is a comfortable 61°F.


Galveston Wedding Weather

Galveston’s median cloud coverage ranges from 10% on a clear day to 67% on a party cloudy day. The cloudiest Galveston sky is on January 31st with the clearest sky being on August 7th.  If you’re looking for the clearest part of the year, this usually begins around April 29th. If you’re looking for clear skies and are trying to avoid the cloudiest part of the year, cloudier skies usually begins around November 28th.

Galveston Median Cloud Coverage

The median daily cloud cover (black line) with percentile bands (inner band from 40th to 60th percentile, outer band from 25th to 75th percentile).

Galveston Wedding Weather | Galveston Precipitation Trends

Galveston’s precipitation outlook varies where daily chance of precipitation is concerned. Galveston’s precipitation in the past ten years was most likely on August 14th. On this date, precipitation was observed 41% of the days.  Precipitation was least likely to occur on May 5th (only occurring 24% of the days).

Galveston Wedding Weather Precipitation Probabilities

The fraction of days in which various types of precipitation are observed. If more than one type of precipitation is reported in a given day, the more severe precipitation is counted. For example, if light rain is observed in the same day as a thunderstorm, that day counts towards the thunderstorm totals. The order of severity is from the top down in this graph, with the most severe at the bottom.

Over the entire year the most common form of precipitation (listed in order of probability) are thunderstorms, light rain, moderate rain and heavy rain.

Galveston Wedding Weather Precipitation Types
  • Thunderstorms – Galveston’s most common form of precipitation can be noticed on 37% of days with precipitation. Thunderstorms are most likely around August 15th where it occurred during 26% of all days of precipitation.
  • Light rain – Galveston’s second most common form of precipitation is observed on 34% of the days with precipitation. The most likely day for light rain is around February 6th (observed 17% of all days).
  • Moderate rain – Moderate rain in Galveston was observed on 16% of the days with precipitation. It is most likely to experience moderate rain around January 30th, where it was observed 8% of the days.
  • Heavy rain –  As the least likely of the types of precipitation observed in Galveston, there is only an 11% chance of heavy rain on the island. Heavy rain is most likely around January 15th, with it being observed only 6% of all the days.
Galveston Warm Weather Precipitation

Warm Season Precipitation

Galveston Wedding Weather Cold Season Precipitation

Cold Season Precipitation

During warm season, May 26th to September 24th, there is a 34% chance that some form of precipitation will be observed at some point during the day. The most common form of precipitation during this time is thunderstorms (59% of these days have thunderstorms), light rain (22%), moderate rain (11%) and heavy rain (8%).

During cold season (November 29th through February 29th), the chances that precipitation will be observed during any given point of the day are averaged at 35%. Cold season precipitation is most often in the form of light rain (45% of the days where precipitation can be observed during the cold season), moderate rain (21%) and both heavy rain and thunderstorms have an equal chance (15%).


Galveston Wedding Weather | Wind Factors

Wind is often not thought of, but it’s a weather factor that should be considered, especially when considering outdoor weddings. Over the course of a year in Galveston, wind speeds vary from a typical speed of  2-19 mph (light air to fresh breeze) and rarely exceeds 26 mph (strong breeze).

Galveston Wedding Weather Wind Factors

The average daily minimum (red), maximum (green), and average (black) wind speed with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).

The highest average wind speed of 13 mph can be observed around May 1st. At this time the average daily maximum wind speed is 19 mph (fresh breeze).

The lowest average wind speed of 9 mph can be observed around August 25th. At this time the daily maximum wind speed is 14 mph (moderate breeze).

Galveston Wedding Weather | Sunshine Sunset Patterns

The length of the day varies over the course of the year. The shortest day of the year is December 21st with ten hours and sixteen minutes of daylight. The longest day of the year is on June 20th with fourteen hours and one minute of daylight.

Galveston Wedding Weather | Sunlight Sunset Details

The number of hours during which the Sun is visible (black line), with various degrees of daylight, twilight, and night, indicated by the color bands. From bottom (most yellow) to top (most gray): full daylight, solar twilight (Sun is visible but less than 6° from the horizon), civil twilight (Sun is not visible but is less than 6° below the horizon), nautical twilight (Sun is between 6° and 12° below the horizon), astronomical twilight (Sun is between 12° and 18° below the horizon), and full night.

The earliest sunrise is on June 13th at 6:19am and the latest sunrise is on November 2nd at 7:34am.  The earliest sunset is on December 3rd at 5:20pm and the latest sunset is on June 28th at 8:23pm. Galveston also observes daylight savings time (DST).

See a full chart of each calendar date specific sunrise and sunset times, along with other weather data, here.


This page supplies weather data and trends as documented based on a ten year average (2002-2012) as documented on Weather Spark.