March Weather in Galveston, United States

Last updated: February 24, 2025

In March, Galveston, United States, experiences a harmonizing blend of mild temperatures and occasional rain, making it an inviting time for visitors. With maximum temperatures reaching 24°C (76°F) and an average of 18°C (65°F), the weather is pleasantly warm, while nighttime lows can dip to a cool 3°C (38°F). This month sees an average precipitation of 58 mm (2.3 in) spread across about 8 rainy days, resulting in humidity levels around 78%. Whether you’re exploring the coastal attractions or enjoying the local culture, March offers a refreshing escape in Galveston’s vibrant atmosphere.

March Temperature in Galveston

In March, Galveston begins to shake off the chill of winter, with temperatures ranging from a minimum of 3°C (38°F) to a pleasant maximum of 24°C (76°F). The average temperature climbs to 18°C (65°F), signaling the arrival of spring and inviting both residents and visitors to enjoy outdoor activities. As the month progresses, the trend clearly shifts towards warmer days, foreshadowing the balmy temperatures of April and May. This transitional season provides a perfect balance, gradually increasing warmth while still retaining a hint of coolness, making it a delightful time to explore all that Galveston has to offer.

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

The chart illustrates March 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.

March Precipitation in Galveston

In March, Galveston experiences a noticeable dip in precipitation compared to the preceding winter months, with only 58 mm (2.3 in) of rain falling over approximately 8 days. This marks a decline from January's and February's higher totals of 90 mm and 88 mm, respectively. As spring approaches, the weather begins to shift, often bringing more sun and milder temperatures. This trend of decreased rainfall hints at the drier conditions that will prevail before the heavier rains of late spring and summer, where May typically unleashes a significant 164 mm (6.5 in) of precipitation. Overall, March serves as a transitional month, ushering in the gradual change from the colder, wetter winter to the warmer, more humid summer.

March Precipitation Trends in Galveston

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

In March, Galveston experiences a relatively mild humidity level of 78%, slightly lower than the previous month’s 80%. This slight dip marks a continuation of a trend where humidity levels gradually decrease as spring approaches, with the transition from winter to spring showing a consistent pattern. While January and February recorded higher humidity, March's figures indicate the onset of more comfortable conditions leading into April, which sees an increase to 81%. Notably, the summer months ahead, from June to August, are typically when humidity reaches its lowest, suggesting a natural ebb and flow in moisture levels throughout the year in this coastal city.

March Average Humidity in Galveston

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

March UV Index in Galveston

As March arrives in Galveston, the UV Index reaches a notable 9, signifying a very high exposure category. With a burn time of just 15 minutes, it's crucial for residents and visitors alike to take precautions against sun damage. Comparing this to recent months, February's UV Index was slightly lower at 8, but nonetheless indicated very high levels of sun exposure. The trend continues upward into April, which warns of an extreme UV Index of 11, drastically reducing safe exposure time to just 10 minutes. This progression underscores the importance of sun safety as spring unfolds. For detailed information and tips on managing UV exposure, visit Galveston UV Index.

Maximum UV Index Levels in Galveston for March

The chart shows the monthly maximum UV Index (UVI) for Galveston in March, 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 March 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.

March Sunshine in Galveston

As March rolls into Galveston, it marks a delightful shift toward sunnier days, providing an impressive 266 hours of sunshine, a significant leap from the 175 hours seen in January. This surge in sunlight hints at the arrival of spring, signaling warmer weather and the bustling outdoor activities that follow. Notably, March sets the stage for an upward trend that continues into the summer months, with April boasting 281 hours and May soaring to 318 hours. This gradual increase not only illuminates the vibrant coastal charm of Galveston but also invites both locals and visitors to bask in the beauty of the season, making the transition from winter a truly radiant affair.

Monthly Sunshine Duration in Galveston: March Highlighted

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

Chance of Sun in Galveston During March

March in Galveston brings a refreshing 46% chance of sunny weather, offering a pleasant transition from winter into spring. This slight uptick from February's 33% invigorates the atmosphere, paving the way for more outdoor activities as the days grow longer. Following closely in April with a 44% chance, March sits as a pivotal month, hinting at the sunnier days to come, especially when considering the winter months that lag behind—January at 45% and February at 33%. As the year progresses, the likelihood of sunshine oscillates, peaking modestly in the fall months like September and October, but March prominently marks a brighter start to the season, enticing locals and visitors alike to soak in the emerging warmth.

Percentage of Sunny Days in March in Galveston

The chart illustrates the percentage of sunny days in Galveston throughout the year, with March 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 March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Galveston in March

As March rolls into Galveston, the length of daylight begins to steadily increase, reaching an inviting 12 hours. This marks a notable progression from January's 10 hours and February's 11 hours, signaling the onset of spring and longer, sun-filled days. This upward trend continues into April, maintaining the 12-hour daylight mark, before leaping to 13 hours in May and lingering at that duration through the summer months. The transition into March not only brings more light but also a sense of renewal, making it an ideal time for outdoor activities and enjoying the vibrant natural surroundings.

Average Daylight Hours in Galveston for March

The chart illustrates the variation in daylight duration in Galveston throughout the year, with March 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.

March Winds in Galveston

In March, Galveston experiences a delightful breeze with an average wind speed of 5.9 m/s (13 mph), slightly dipping from the more robust winds of February. This transitional month typically ushers in a refreshing atmosphere as spring approaches, with winds soothingly mingling with the warmth of the sun. Following a steady increase from January’s 5.8 m/s, the winds show a gentle decline, setting the stage for the calmers days of summer. As the month progresses, Galveston’s winds remain consistent and invigorating, bridging the gap between the briskness of winter and the balmy days of spring.

Average March Wind Speed in Galveston

The chart displays monthly wind speed patterns in Galveston, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.86.45.9 m/s6.26.55.24.34.14.85.05.05.7
Data source: Galveston March wind data, generated using information from the Copernicus Climate Change Service.

How March 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 March'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.

When comparing the weather in March and January, we see notable differences in temperature and precipitation. March experiences milder conditions, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 24°C (76°F), while January is colder, with temperatures dipping as low as -2°C (29°F) and averaging 14°C (57°F). In terms of precipitation, March has a total of 58 mm (2.3 in) over 8 days, whereas January sees more rainfall at 90 mm (3.6 in) across 9 days. Humidity levels remain fairly similar between the two months, with March at 78% and January at 79%. For more details, you can check Galveston weather in January.

When comparing the weather between February and March, notable differences emerge. In February, temperatures range from a chilly minimum of -6°C (22°F) to a maximum of 21°C (71°F), while March sees more moderate temperatures, with a minimum of 3°C (38°F) and a maximum of 24°C (76°F). February experiences higher precipitation, totaling 88 mm (3.4 in) over 13 days, compared to March's 58 mm (2.3 in) over 8 days. Humidity levels are slightly lower in March at 78%, compared to February's 80%. For more detailed insights on February's conditions in Galveston, check out Galveston weather in February.

March and April exhibit notable differences in weather patterns. In March, temperatures range from a minimum of 3°C (38°F) to a maximum of 24°C (76°F), with an average of 18°C (65°F). This month sees 58 mm (2.3 in) of precipitation over about 8 days, coupled with a humidity level of 78%. In contrast, April brings milder temperatures, with a minimum of 10°C (51°F) and a maximum of 27°C (82°F), resulting in an average of 21°C (70°F). Precipitation increases to 86 mm (3.4 in) over 10 days, and humidity rises slightly to 81%. For more details on the weather during this time, you can check out Galveston weather in April.

March and May exhibit distinct weather characteristics, shaping the transition from early spring to late spring. In March, temperatures range from a cool 3°C (38°F) at night to a mild 24°C (76°F) during the day, with an average of 18°C (65°F). The month sees about 58 mm (2.3 inches) of precipitation over approximately 8 days, with humidity levels around 78%. In contrast, May brings a significant increase in warmth, with minimum temperatures rising to 17°C (62°F) and maximums reaching 29°C (85°F), averaging 25°C (77°F). However, it also experiences higher precipitation, totaling 164 mm (6.5 inches) over 12 days, while humidity remains relatively constant at 79%. For more specific details about May weather, you can check Galveston weather in May.

In March, the weather is typically more mild, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 24°C (76°F), and an average temperature of around 18°C (65°F). The month sees about 58 mm (2.3 in) of precipitation over approximately 8 days, accompanied by a humidity level of 78%. In contrast, June brings a substantial increase in warmth, with temperatures soaring from a minimum of 23°C (74°F) to a maximum of 32°C (89°F), averaging 27°C (82°F). However, June is considerably wetter, with 170 mm (6.7 in) of rain over 13 days and slightly lower humidity at 75%. For more detailed insights, check out Galveston weather in June.

March and July present contrasting weather patterns, highlighting the transition from early spring to the height of summer. In March, temperatures range from a mild minimum of 3°C (38°F) to a comfortable maximum of 24°C (76°F), with an average of 18°C (65°F). The month experiences about 58 mm (2.3 in) of precipitation over approximately 8 days, coupled with a relatively high humidity level of 78%. In stark contrast, July boasts much warmer temperatures, with a minimum of 24°C (76°F), an average of 28°C (83°F), and a maximum reaching 33°C (91°F). However, it also sees an increase in rainfall, totaling 151 mm (5.9 in) over roughly 14 days, and slightly lower humidity at 74%. For more information about July weather specifics, you can visit Galveston weather in July.

In comparing the weather of March and August, it's clear that August is significantly warmer, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 32°C (89°F), while March boasts milder temperatures, with a minimum of 3°C (38°F) and a peak of 24°C (76°F). August also experiences higher precipitation, totaling 210 mm (8.3 in) over 18 days, compared to March's 58 mm (2.3 in) across 8 days. Interestingly, while August is wetter, its humidity level is slightly lower at 73%, compared to March's higher humidity of 78%. For a more detailed look at the weather in August, you can visit Galveston weather in August.

March and September showcase distinctly different weather patterns. In March, temperatures are milder, with lows around 3°C (38°F) and an average high of 24°C (76°F), accompanied by 58 mm (2.3 in) of precipitation over approximately 8 rainy days and a humidity level of 78%. By contrast, September features warmer conditions, with minimum temperatures starting at 20°C (68°F) and average highs reaching 32°C (89°F). This month experiences significantly higher rainfall, totaling 243 mm (9.6 in) across about 16 days, while humidity remains relatively comfortable at 75%. For a closer look at September weather specifics, refer to Galveston weather in September.

March and October present distinct contrasts in weather patterns. In March, temperatures range from a cool minimum of 3°C (38°F) to a comfortable average of 18°C (65°F), peaking at 24°C (76°F), with a total precipitation of 58 mm (2.3 in) over about 8 rainy days. The month experiences a higher humidity level at 78%. In contrast, October boasts milder minimum temperatures starting at 11°C (51°F) and reaching an average of 24°C (76°F), with highs up to 29°C (85°F). However, it sees a significantly higher amount of rainfall, accumulating 150 mm (5.9 in) across roughly 12 days, yet maintains slightly lower humidity at 75%. For more specific insights about the conditions in October, you can visit Galveston weather in October.

When comparing the weather in March and November, both months feature mild temperatures, but they do have some distinctions. In March, the minimum temperature averages around 3°C (38°F) and the maximum reaches up to 24°C (76°F), while in November, the temperatures are slightly warmer, with a minimum of 5°C (41°F) and a maximum of 25°C (78°F). Precipitation levels also vary, with March experiencing 58 mm (2.3 in) over 8 days and November seeing a bit more at 77 mm (3.0 in) over 9 days. Humidity remains relatively constant, with March at 78% and November at 79%. For more detailed insights, check out Galveston weather in November.

March and December exhibit distinct weather patterns, with March typically offering warmer temperatures and lower precipitation. In March, the average temperature ranges from a minimum of 3°C (38°F) to a maximum of 24°C (76°F), alongside an average precipitation of 58 mm (2.3 in) over about 8 days. In contrast, December sees slightly cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 23°C (74°F), but experiences significantly more precipitation at 104 mm (4.1 in) across approximately 10 days. Additionally, December has a higher humidity level of 83% compared to March’s 78%. For detailed insights, check Galveston weather in December.

Compare Galveston's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Galveston

As March unfolds in Galveston, the weather begins to shift, offering a delightful blend of milder temperatures and the promise of spring. With an average temperature of 18°C, residents and visitors can expect more comfortable days compared to the chill of winter months, though dips to about 3°C remind us that cool breezes can still linger. The humidity hovers around 78%, creating a pleasant atmosphere, while the month receives a fair share of rain, averaging 58 mm over about 8 days. This transitional month sets the stage for the warmer days ahead, making it a unique time to explore the island. For a detailed understanding of the weather patterns throughout the year, check out the Galveston Climate.