Last updated: February 24, 2025
March in Houston ushers in a dynamic blend of warm temperatures and moisture-laden air. With maximum temperatures reaching 30°C (87°F) and an average of 19°C (66°F), the month marks the transition to spring, though early mornings can still dip to a brisk 1°C (31°F). Rain is not uncommon, as residents can expect about 86 mm (3.4 in) of precipitation over approximately 13 days, contributing to an overall humidity level of 76%. This varied climate creates a vibrant backdrop for the city's budding flora and outdoor activities, making March a lively time in the Lone Star State.
In March, Houston begins to shake off the winter chill as temperatures transition, showcasing a milder climate ideal for outdoor activities. The month sees a minimum temperature of -1°C (31°F), gradually leading to an average of 19°C (66°F) and a maximum that peaks at 30°C (87°F). This increase is a precursor to the warmer months ahead, with tinges of spring blooming throughout the city. Notably, compared to the colder previous months, March radiates a sense of renewal and warmth, hinting at the approaching summer heat while still maintaining the charm of cooler evenings. The overall trend suggests a more temperate climate, moving away from the winter extremes, making March a particularly pleasant time to experience Houston’s vibrant outdoor life.
In March, Houston experiences a moderate dip in precipitation, with an average rainfall of 86 mm (3.4 in) spread across 13 days. This marks a slight decrease from February, which saw 95 mm (3.8 in) over a longer period of 14 days. As winter transitions into spring, the city's precipitation patterns hint at evolving weather dynamics, setting the stage for the wetter months ahead. Looking forward, April typically brings a modest uptick in rainfall to 94 mm (3.7 in), signaling the beginning of the more humid season. Overall, March serves as a bridge between the residual moisture of winter and the heavy downpours that characterize the coming spring months in Houston.
In March, Houston experiences a dip in humidity, with levels averaging around 76%, slightly down from the preceding month of February, which recorded a higher 81%. This decrease marks a trend towards drier conditions as the city transitions into spring, yet it remains elevated compared to the summer months. Following March, humidity levels generally continue to fluctuate, peaking again in December at 84%. Interestingly, the overall pattern reveals that while early months, such as January and February, are notably humid, a gradual decline begins in late spring, with the lowest figures in the midsummer months of July and August, where humidity drops to 71% and 68%, respectively. This cyclical humidity trend demonstrates Houston's rich climatic tapestry, providing a unique experience throughout the year.
In March, Houston experiences a significant increase in the UV Index, reaching 9, which falls into the very high exposure category. This marks a stark contrast to the milder conditions of January and February, where the UV Index was at 5 and 8, respectively. At this point, residents need to be especially cautious, as the burn time decreases to just 15 minutes—the same as in February—highlighting the intensity of sunlight that begins to dominate the spring season. As the month progresses into April, the UV Index escalates further to an extreme level of 11, indicating that sun protection should become a daily priority. For those looking to get more specifics about the UV Index throughout the year, visit Houston UV Index.
UV Risk Categories
As Houston steps into March, the city basks in a delightful surge of sunshine, accumulating 255 hours this month—a remarkable increase compared to the 173 hours in January and 169 hours in February. This ascent signals the onset of spring, where daylight begins to stretch, laying the foundation for an even sunnier April with 273 hours. The trend is clear: after the darker winter months, Houston's sunlit days invite residents to explore the vibrant outdoors. As May approaches with a projected 310 hours of sun, the city eagerly anticipates embracing the warmth, setting the stage for a spectacular summer filled with sunshine and outdoor activities.
March in Houston offers a promising chance of sunshine, with about 45% of the days experiencing clear skies. This marks a slight improvement compared to the gloomy February, which boasts only 34% sunny days. Interestingly, March maintains a healthier ratio of sunshine than the following months, like April and May, where the likelihood drops to 40% and 29%, respectively. As the year progresses, especially over the hot summer months, the chances of sun noticeably decline, peaking again in the milder autumn months. Overall, while March isn’t the sunniest of months, it stands as a welcome reprieve from the winter cloudiness and heralds the upcoming spring warmth.
As spring approaches in March, Houston enjoys a notable increase in daylight duration, basking in approximately 12 hours of light each day. This marks a significant jump from the 10 hours seen in January and a gradual rise from 11 hours in February, signaling the city's transition from winter's shorter days to the more extended daylight of spring. As the month progresses, this trend continues into April, where daylight remains steady at 12 hours before further expanding into the summer months. This pattern of increasing daylight not only brightens the city's landscape but also invites residents to enjoy outdoor activities and embrace the vibrancy of the season. With each passing month leading into summer, Houston's long days become a hallmark of the warm, sunny weather that residents eagerly anticipate.
In March, Houston experiences a gentle breeze with an average wind speed of 3.9 m/s (9 mph), slightly down from February’s 4.0 m/s. This month marks a transition as the winds begin to mellow from the brisk conditions of the earlier winter months. Compared to the preceding months of winter, March still holds onto a refreshing gustiness, creating a beautiful contrast with the warmer signs of spring. As the weather warms into April, the wind speed stabilizes at 4.0 m/s, hinting at a consistent breezy pattern that will characterize the subsequent months, especially as summer approaches with much calmer air. Overall, March serves as a delightful interlude, where gentle winds enhance the blooming environment before the Houston heat grips the city.
The weather in Houston 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 Houston and find detailed weather information for every month.
In comparing the weather of March and January, one can observe significant differences in temperature and precipitation patterns. March experiences a milder range with average temperatures of 19°C (66°F), peaking at a comfortable 30°C (87°F), while January is cooler, with an average of 13°C (55°F) and a maximum of 28°C (83°F). Precipitation levels are relatively comparable, with March seeing 86 mm over 13 days and January slightly higher at 91 mm over just 9 days. Humidity is fairly similar, at 76% in March and 78% in January, indicating a generally humid environment in both months. For more details on January weather, you can check Houston weather in January.
When comparing the weather in March and February, we notice a significant warming trend. In March, temperatures range from a minimum of -1°C (31°F) to a maximum of 30°C (87°F), with an average of 19°C (66°F). This contrasts sharply with February, where temperatures dip to a minimum of -12°C (11°F) and have a lower average of 14°C (58°F), though the maximum remains similar at 30°C (86°F). Precipitation in March is slightly lower at 86 mm (3.4 in) over 13 days, compared to 95 mm (3.8 in) and 14 days in February. Additionally, March has a relative humidity of 76%, slightly less than February's 81%. For more details on February weather, please visit Houston weather in February.
In comparing the weather between March and April, we see a noticeable uptick in temperatures. March experiences a minimum temperature of -1°C (31°F), an average of 19°C (66°F), and a maximum of 30°C (87°F), while April brings slightly warmer conditions with a minimum of 4°C (39°F), an average of 21°C (70°F), and a high of 32°C (90°F). Precipitation is also relatively close, with March receiving 86 mm (3.4 in) over 13 days and April totaling 94 mm (3.7 in) over 11 days. Humidity levels are marginally higher in April at 79% compared to 76% in March. For more details, you can check out Houston weather in April.
March and May present notably different weather patterns. In March, temperatures can range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 30°C (87°F), with an average of 19°C (66°F). The month experiences significant precipitation, totaling 86 mm (3.4 in) over 13 days, coupled with a humidity level of 76%. In contrast, May boasts warmer temperatures, with a minimum of 11°C (51°F) and an impressive maximum reaching 34°C (93°F), averaging around 25°C (77°F). The rainfall increases to 176 mm (6.9 in) across 16 days, and humidity slightly rises to 79%. For a closer look at the specifics, check out Houston weather in May.
March and June in Houston present notably different weather patterns. In March, temperatures range from a chilly minimum of -1°C (31°F) to a warm average of 19°C (66°F), with maximums reaching up to 30°C (87°F). The month experiences about 86 mm (3.4 in) of precipitation over 13 days, accompanied by relatively high humidity at 76%. In contrast, June showcases much warmer conditions, with minimum temperatures starting at 18°C (65°F) and averaging 28°C (82°F), peaking at a steamy 35°C (95°F). This month also sees increased rainfall, totaling 171 mm (6.7 in) across 17 days, and maintains a slightly lower humidity level of 74%. For more details about the weather experience in June, check out Houston weather in June.
March and July present contrasting weather conditions. In March, temperatures vary significantly, with a minimum of -1°C (31°F), an average of 19°C (66°F), and a maximum of 30°C (87°F). The month receives approximately 86 mm (3.4 in) of precipitation over 13 days, accompanied by relatively high humidity at 76%. In contrast, July experiences warmer temperatures, with a minimum of 20°C (68°F), an average of 28°C (83°F), and a peak of 37°C (99°F). The level of rainfall increases to 146 mm (5.8 in), spread across 16 days, although humidity decreases slightly to 71%. This comparison highlights the transition from the cooler, more variable March weather to the hot, more stable conditions typical of July. For more details, visit Houston weather in July.
When comparing the weather in March and August, there are notable differences in temperature and precipitation patterns. March experiences a wider temperature range, with minimums dipping to -1°C (31°F) and maximums reaching up to 30°C (87°F), averaging around 19°C (66°F). This month also sees a fair amount of precipitation, totaling 86 mm (3.4 in) over approximately 13 days, and humidity levels around 76%.
In contrast, August presents a much warmer climate, with minimum temperatures starting at 21°C (70°F) and soaring to maximums of 38°C (100°F), creating an average temperature of 29°C (84°F). The month is also wetter, receiving 201 mm (7.9 in) of precipitation over 19 days, but with slightly lower humidity at 68%. For more details, check out Houston weather in August.
March and September present distinct contrasts in weather patterns. In March, temperatures range from a chilly minimum of -1°C (31°F) to a warm average of 19°C (66°F), peaking at a maximum of 30°C (87°F). The month sees a fair amount of precipitation, totaling 86 mm (3.4 in) over 13 days, accompanied by relatively high humidity at 76%. In contrast, September features a milder minimum temperature of 13°C (55°F) and a much warmer average of 27°C (80°F), with maximum temperatures soaring up to 37°C (99°F). This month experiences significantly higher rainfall, accumulating 202 mm (8.0 in) over 15 days, while humidity remains slightly lower at 73%. For more detailed insights into September weather patterns, you can check Houston weather in September.
When comparing the weather in March and October, notable differences emerge. March typically experiences a wider temperature range, with minimums around -1°C (31°F) and maximums reaching up to 30°C (87°F). In contrast, October's temperatures are generally warmer, ranging from a minimum of 2°C (37°F) to a maximum of 34°C (93°F), leading to a higher average temperature of 22°C (73°F). Precipitation levels also differ slightly, with March receiving 86 mm (3.4 in) over about 13 days, while October sees a bit more rainfall at 104 mm (4.1 in) across 12 days. Both months boast similar humidity levels, hovering around 75-76%. For more detailed information, you can check Houston weather in October.
March and November present interesting contrasts in weather, albeit with some similarities. Both months can experience a minimum temperature of around -1°C (31°F), but March typically boasts a higher average temperature of 19°C (66°F) compared to November's 17°C (63°F). The maximum temperatures in both months are fairly similar, with March reaching up to 30°C (87°F) and November slightly higher at 31°C (88°F). Precipitation is fairly comparable, with March receiving 86 mm (3.4 in) over 13 days and November slightly less at 82 mm (3.2 in) over 10 days. Humidity levels remain high in both months, with March at 76% and November slightly higher at 78%. For more details on November weather, check out Houston weather in November.
March typically offers a wider range of temperatures, with minimums dropping to -1°C (31°F) and highs reaching a warm 30°C (87°F), resulting in an average temperature of 19°C (66°F). In contrast, December's temperatures are generally cooler, ranging from a minimum of -2°C (29°F) to a maximum of 28°C (83°F), with an average of 14°C (58°F). Precipitation is slightly higher in December at 111 mm (4.4 in) over 9 days, compared to March's 86 mm (3.4 in) across 13 days. The humidity levels are also higher in December at 84%, compared to 76% in March. For a closer look at December's climate in Houston, you can visit Houston weather in December.
As March arrives in Houston, the city begins to shake off the winter chill, offering a refreshing transition into spring. While temperatures can still dip down to a brisk -1°C, it's common to enjoy sunny days with highs reaching around 30°C, creating a pleasant contrast to the cooler months preceding it. With an average of 19°C, March stands out as a time of emerging warmth, though residents might still brace for a bit of lingering humidity at 76%. However, don't forget your umbrella, as this month tends to be wetter, featuring about 86 mm of precipitation over 13 rainy days. This unpredictable weather is a reminder that as Houstonienne’s shake off those winter layers, it's time to prepare for the vibrant, albeit variable, climate that defines March. For more insights into the city's weather patterns, visit Houston Climate.