October Weather in Galveston, United States

Last updated: February 24, 2025

In October, Galveston experiences a pleasant mix of warmth and cooling breezes, with average temperatures hovering around 24°C (76°F). The month sees maximum highs reaching 29°C (85°F), providing ideal conditions for outdoor activities, while cooler nights dip to a refreshing 11°C (51°F). However, it's also a time of increased rainfall, with approximately 150 mm (5.9 in) of precipitation spread across 12 days, fostering a 75% humidity level that adds to the tropical feel. This blend of warmth and moisture makes October a unique and vibrant time to enjoy the scenic beauty of Galveston.

October Temperature in Galveston

October in Galveston, United States, presents a delightful transition from the sweltering summer months to the more temperate fall season. With minimum temperatures averaging around 11°C (51°F), and pleasant highs of 29°C (85°F), the weather is generally mild and inviting. The average temperature settles at 24°C (76°F), offering a perfect backdrop for outdoor activities or leisurely strolls along the beach. As the month progresses, residents and visitors alike can enjoy the crispness in the air, signaling the shift to cooler days ahead, while still reaping the benefits of enjoyable warmth during the afternoons. This blend of warmth and cool breezes makes October an ideal time to experience all that Galveston has to offer.

October Weather in Galveston: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Galveston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec575965707781838381756661
Data source: Temperature data for Galveston generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Galveston

In October, Galveston experiences a notable shift in weather patterns as the average precipitation reaches 150 mm (5.9 in), marking a peak compared to earlier months and carrying over the dynamic rainfall from September's 243 mm (9.6 in). With about 12 days of rainfall, October balances between the heavy summer deluge and the drier winter months ahead, suggesting a transitional phase for the region. This pattern echoes earlier weeks, particularly during August and September, where rainfalls consistently exceeded 200 mm, confirming Galveston's tendency for robust precipitation as the seasons change. As October unfolds, the island's atmosphere remains humid, inviting both natural beauty and varied outdoor activities amidst a backdrop of swirling clouds and occasional sun breaks.

October Precipitation Trends in Galveston

The chart displays monthly precipitation patterns in Galveston, with values for each month alongside October's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec9088588616417015121024315077104
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Galveston

October in Galveston sees a slight dip in humidity, averaging around 75%. This marks a continuation of the trend observed in the late summer months, where the humidity steadily decreased from a peak of 81% in April to 73% in August. The fall transition tends to bring a more comfortable climate, helping to ease the mugginess experienced in the earlier months of the year. Interestingly, as the year comes to a close, humidity levels begin to rise again in November, reaching 79%, hinting at the seasonal shifts that characterize this coastal locale. Overall, October's 75% humidity contributes to a pleasant environment that balances warmth with refreshing coastal breezes.

October Average Humidity in Galveston

This chart illustrates the average monthly humidity levels in Galveston, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec79%81%78%81%79%75%74%73%75%75%79%83%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Galveston

As October rolls into Galveston, the UV Index dips slightly to 9, categorizing the exposure as very high with a burn time of just 15 minutes. This month marks a transition from the extreme levels seen during the peak summer months, where indices frequently reached 12. While October still poses a significant risk for sunburn, it offers a reprieve from the scorching summer sun, making it essential to stay vigilant with sunscreen and protective clothing. As the year progresses, this trend of fluctuating UV levels highlights the importance of adapting sun safety practices with the changing seasons. For detailed insights into UV levels year-round, visit Galveston UV Index.

Maximum UV Index Levels in Galveston for October

The chart shows the monthly maximum UV Index (UVI) for Galveston in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121211975
Data source: Galveston October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

October Sunshine in Galveston

October in Galveston bathes the city in a delightful embrace of sunshine, boasting an impressive 283 hours of radiant daylight. This marks a slight decline from the sun-soaked highs of the summer months, where July and August shine brightest with 327 and 323 hours respectively. Nonetheless, October holds its own, offering a vibrant atmosphere as the temperatures begin to cool and the fall festivities ramp up. With sunlight lingering comfortably into the early evening, it creates the perfect backdrop for coastal adventures and outdoor gatherings. As the year draws towards its conclusion, October stands out as a month where summer's warmth reluctantly gives way to autumn's charm, ensuring that Galveston remains a beacon of light in the fall season.

Monthly Sunshine Duration in Galveston: October Highlighted

The October sunshine duration represents the total number of hours Galveston experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec175h185h266h281h318h319h327h323h275h283h261h232h
Data source: Galveston October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Galveston During October

In October, Galveston enjoys a 51% chance of sunny weather, making it one of the more favorable months for sunshine in the area. This marks a notable increase compared to the preceding summer months, where the chances dipped to a low of 28% in July and 29% in August. Following the transitional period of September, which sees a 47% likelihood of sun, October not only offers more reliable sunshine but also sets the stage for the approaching cooler months. With the likelihood of sunny days gradually climbing into November at 58%, October stands out as a delightful time to soak up the sun before the winter chill sets in.

Percentage of Sunny Days in October in Galveston

The chart illustrates the percentage of sunny days in Galveston throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Galveston experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%33%46%45%35%40%28%29%47%52%58%35%
Data source: Galveston October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Galveston in October

As autumn unfolds in Galveston, October sees a gentle decline in daylight duration, offering about 11 hours of sunshine each day. This is a subtle shift from the summer's peak of 13 hours, where long beach days and vibrant sunsets reign. Following September's 12 hours, the gradual reduction continues, hinting at the coming winter months. The trend reflects a natural progression from the extended daylight of early summer to the cozy, shorter days of fall, inviting residents and visitors alike to savor those remaining golden hours before November ushers in an even shorter 10 hours of daylight. With each sunset, Galveston embraces the beauty of change in this vibrant coastal city.

Average Daylight Hours in Galveston for October

The chart illustrates the variation in daylight duration in Galveston throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 29m11h 9m12h12h 53m13h 37m13h 58m13h 46m13h 7m12h 17m11h 25m10h 39m10h 17m
Data source: Galveston daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Galveston

In October, the winds in Galveston settle into a gentle rhythm, with an average speed of 5.0 m/s (11 mph). This month marks a transition from the summer's calmer breezes, seen in July and August, where speeds dipped to 4.3 m/s (10 mph) and 4.1 m/s (9 mph) respectively. With the arrival of fall, winds pick up slightly, aligning closely with the consistent patterns observed in November. This month presents a refreshing change, offering a moderate breeze that often invigorates outdoor activities and enhances the beauty of coastal views, a perfect setting for both locals and visitors enjoying the mild weather.

Average October Wind Speed in Galveston

The chart displays monthly wind speed patterns in Galveston, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.86.45.96.26.55.24.34.14.85.0 m/s5.05.7
Data source: Galveston October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Galveston Compares to Other Months

The weather in Galveston changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Galveston and find detailed weather information for every month.

October and January present distinctly different weather patterns. In October, temperatures range from a mild 11°C (51°F) at night to a warm 29°C (85°F) during the day, with an average of 24°C (76°F). The month sees considerable rainfall, totaling 150 mm (5.9 in) over about 12 days, contributing to a humidity level of 75%. In contrast, January offers a much cooler climate, with temperatures dipping as low as -2°C (29°F) and peaking at 24°C (75°F), but averaging only 14°C (57°F). Rainfall is lighter in January, amounting to 90 mm (3.6 in) over 9 days, paired with slightly higher humidity at 79%. For a more detailed look at January weather, you can visit Galveston weather in January.

When comparing the weather in October and February, it’s evident that October boasts warmer temperatures, with averages around 24°C (76°F), peaking at a comfortable 29°C (85°F). In contrast, February chills the air, presenting average temperatures of 15°C (59°F) and a maximum of 21°C (71°F). Precipitation is also notable in both months, with October receiving more rainfall at 150 mm (5.9 in) over 12 days, compared to February’s 88 mm (3.4 in) over 13 days. Additionally, humidity is slightly higher in February at 80%, as opposed to October's 75%. For more details about February weather specifics, check out Galveston weather in February.

When comparing the weather in October and March, a few key differences stand out. October boasts warmer temperatures, with averages reaching 24°C (76°F) and maximums hitting 29°C (85°F), while March has a cooler average of 18°C (65°F) and maximums of 24°C (76°F). Precipitation is more significant in October, accumulating around 150 mm (5.9 in) over 12 days, compared to March's 58 mm (2.3 in) over just 8 days. Additionally, October's humidity levels are slightly lower at 75%, compared to March's 78%. Overall, October presents a warmer and wetter climate, while March offers milder temperatures with less rainfall. For more detailed insights, you can check out Galveston weather in March.

When comparing the weather in October and April, both months feature mild temperatures, but October tends to be warmer overall. October's average temperature reaches up to 24°C (76°F) with maximums hitting 29°C (85°F), while April has a lower average of 21°C (70°F) and maximums of 27°C (82°F). Precipitation levels also differ, with October receiving significantly more rainfall at 150 mm (5.9 in) over about 12 days compared to April's 86 mm (3.4 in) over 10 days. Additionally, October's humidity is slightly lower at 75% versus April's 81%. For a closer look at April weather, check out Galveston weather in April.

In comparing the weather of October and May, we can observe some notable similarities and differences. Both months feature a maximum temperature of 29°C (85°F), but October is cooler overall with a minimum temperature of 11°C (51°F) compared to May's warmer minimum of 17°C (62°F). Precipitation is relatively high in both months, with October receiving 150 mm (5.9 in) and May slightly more at 164 mm (6.5 in), though both months experience precipitation on about 12 days. Humidity levels are also comparable, with October at 75% and May slightly higher at 79%. For a detailed view of May's weather, you can visit Galveston weather in May.

In comparing the weather between October and June, October presents a more moderate climate with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 29°C (85°F) and an average temperature of 24°C (76°F). In contrast, June tends to be warmer, with minimum temperatures at 23°C (74°F), averaging 27°C (82°F) and peaking at 32°C (89°F). Both months experience significant rainfall, with October receiving 150 mm (5.9 in) over 12 days and June slightly wetter at 170 mm (6.7 in) over 13 days. Interestingly, while the humidity remains consistent at 75% in both months, the overall feel of the weather is quite different, with June typically feeling hotter and more oppressive. For a more detailed look at the weather patterns in June, check out Galveston weather in June.

In comparing the weather of October and July, it is clear that July is significantly warmer, with average temperatures reaching 28°C (83°F) and maximums soaring to 33°C (91°F). In contrast, October boasts cooler temperatures, averaging around 24°C (76°F) and peaking at 29°C (85°F). Both months receive similar amounts of precipitation, with July totaling 151 mm (5.9 in) over 14 days and October experiencing 150 mm (5.9 in) across 12 days. Humidity levels remain fairly consistent, with July slightly lower at 74% compared to October's 75%. For a more detailed look at the summer weather, you can check Galveston weather in July.

In comparing the weather of October and August, October presents a significant drop in minimum temperatures, with lows of 11°C (51°F), contrasting sharply with August's warmer minimum of 24°C (75°F). Both months feature similar average temperatures, around 24-29°C (76-84°F), but August typically peaks at a higher maximum of 32°C (89°F) compared to October's 29°C (85°F). Additionally, August experiences more precipitation at 210 mm (8.3 in) across 18 days, while October, although wetter with 150 mm (5.9 in), sees rainfall over fewer days—12 in total. The humidity is also comparable, with October slightly higher at 75% versus August's 73%. For a detailed look at August weather, check out Galveston weather in August.

In comparing the weather between October and September, October presents a notable drop in temperature, with minimums of 11°C (51°F) compared to September's warmer 20°C (68°F). The average temperature for October is around 24°C (76°F), which is slightly cooler than September's 27°C (81°F). Additionally, while both months experience high humidity at 75%, October sees less precipitation, totaling 150 mm (5.9 in) over 12 days, whereas September receives a heavier rainfall of 243 mm (9.6 in) across 16 days. For those interested in the specifics of September's climate, more details can be found here: Galveston weather in September.

In October, the weather is warmer with average temperatures ranging from a mild 11°C (51°F) to a peak of 29°C (85°F), accompanied by significant rainfall of 150 mm (5.9 in) over approximately 12 days. By November, temperatures drop, with daily averages settling between 5°C (41°F) and 25°C (78°F), and precipitation decreases to 77 mm (3.0 in) over 9 days. Despite the cooler temperatures, November experiences slightly higher humidity at 79%, compared to October's 75%. For more detailed information, you can check Galveston weather in November.

In comparing the weather of October and December, October is generally warmer, with average temperatures reaching around 24°C (76°F) and maximums of 29°C (85°F). In contrast, December experiences cooler temperatures, averaging 16°C (61°F) and peaking at 23°C (74°F). Additionally, October sees more rainfall, with 150 mm (5.9 in) over 12 days, while December has less precipitation at 104 mm (4.1 in) across 10 days. Humidity levels are also higher in December at 83%, compared to October's 75%. For more detailed information, you can visit Galveston weather in December.

Compare Galveston's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Galveston

October in Galveston marks a transition into milder and more comfortable weather compared to the sweltering summer months. With average temperatures hovering around a pleasant 24°C (76°F), this month offers a welcome respite from the heat, although temperatures can still peak at 29°C (85°F) during warm afternoons. It's a time when the landscape is refreshed by about 150 mm (5.9 in) of rainfall, resulting in 12 days of showers that nourish the vibrant local flora. The 75% humidity can still linger, adding to the coastal feel, but the overall climate is much more enjoyable for outdoor activities. For those looking to explore more about Galveston's unique weather patterns throughout the year, be sure to check out Galveston Climate.