Last updated: February 24, 2025
May in Louisville, United States, brings a vibrant blend of warmth and moisture, marking a transition from spring to summer. With maximum temperatures soaring up to 33°C (92°F) and an average of 20°C (67°F), residents can enjoy plenty of sunny days. However, the month also sees a notable minimum temperature dipping to 0°C (33°F), a reminder of the lingering coolness of early spring. Rainfall is customary, with precipitation amounting to 128 mm (5.0 in) across 14 days, contributing to the region's lush greenery. The humidity level hovers around 79%, adding a tropical feel to the otherwise delightful weather, making May a month full of contrasts and beauty in Louisville.
In Louisville, May marks a transition into warmer weather, with temperatures reflecting a noticeable shift in the season. The minimum temperature begins at a mild 0°C (33°F), while the average rises robustly to 20°C (67°F), culminating in a maximum of 33°C (92°F) on hotter days. This upward trend follows the gradual warming seen in April, where the temperatures creep up from icy lows. As spring gives way to the early summer, May's climate basks in sunshine and warmth, paving the way for outdoor activities. Notably, these temperatures contrast sharply with the frigid January lows, highlighting Louisville's seasonal diversity and the welcoming approach of summer.
In May, Louisville experiences a notable shift in precipitation patterns, with 128 mm (5.0 in) of rainfall spread over 14 days, making it one of the wetter months of the year. This volume mirrors the rainfall from February, but reflects a slight decrease from the preceding month of April. The steady precipitation continues to contribute to the region's lush spring landscape, maintaining higher-than-average moisture levels as the transition to summer approaches. Overall, May serves as a bridge between the spring showers and the more intense summer storms, represented by a consistent frequency of rainy days that keeps the flora vibrant and thriving.
As spring transitions into summer, May in Louisville showcases a noticeable shift in humidity levels, dipping to 79%. This decline marks a departure from the higher humidity levels of earlier months, which hover around the mid to upper 80s. While January and February see the highest humidity at 87% and 85%, respectively, May's drier air hints at the approaching summer heat. Interestingly, the trend continues into June, when humidity rises slightly to 82%, but notably remains lower than the peak levels of the winter and fall months. As the humidities fluctuate throughout the year, May stands out as a transitional period, offering a refreshing break before the sweltering days of July and August.
In May, Louisville experiences a very high UV Index of 10, signaling a peak in sun intensity as the weather warms. This trend follows a significant increase from the moderate levels seen in January and February, where the UV Index hovered around 3 to 5. By the time spring approaches, the UV Index escalates: from 7 in March to 9 in April, before reaching its May heights. With a burn time of just 15 minutes, it's crucial for residents to take precautions, such as wearing sunscreen and protective clothing, to shield themselves from harmful UV rays. This spike in May sets the stage for the summer months, where UV exposure remains critical. For more information, visit Louisville UV Index.
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In Louisville, United States, May shines brightly with a remarkable 287 hours of sunshine, marking a delightful peak in the city's weather patterns. Following the steady increase from January's 128 hours, the progression is evident as daylight stretches into spring, with April already welcoming a generous 241 hours. As summer approaches, the trend continues upward, reaching a high of 345 hours in July. This vibrant month of May not only heralds the full bloom of flora but also draws residents and visitors alike outdoors to bask in the warming rays. The gradual transition from brisk winter to the sun-drenched days of summer illustrates the seasonal charm that defines Louisville, making May a truly jubilant time to revel in the abundance of sunlight.
In Louisville, the promise of sunny weather in May showcases a notable yet modest 30% chance of sunshine, a dip from the higher probabilities seen in the preceding months of April at 48%. This trend suggests that while spring brings an increasing likelihood of sunny days, May tends to experience a slight decrease as summer approaches. Compared to the earlier months of the year, where the chances fluctuate between 24% in February and a high of 42% in March, May’s sunny prospects position it alongside the transitional months of June and July, which boast 38% and 47% chances, respectively. Ultimately, while May holds a respectable chance of sunshine, it is a reminder of the unpredictability of spring weather as it transitions into the summer season.
As spring gives way to summer in Louisville, May brings a delightful increase in daylight hours, offering residents a generous 14 hours of sunlight—a peak that extends to June before remaining steady throughout July. This gradual ascent from 9 hours in January to May's luminosity showcases the city's transition from winter's short, gray days to the vibrant, longer days of warmer months. Following the zenith in July, daylight begins to taper off, with August slightly losing an hour, and September onward guiding us back into the cozy embrace of autumn. This cyclical variation not only influences daily activities but also highlights the changing seasons, encouraging residents to embrace the outdoors as they enjoy the sun-drenched beauty of May.
In Louisville, United States, the wind patterns in May offer a glimpse into the transitional climate of spring. Averaging 2.5 m/s (6 mph), the wind speed in May marks a slight decrease from the breezier months of March and April, where speeds hovered just above this figure. As the city shifts into summer, there's a notable trend of declining wind speeds leading into the warmer months, with June and July recording even lower averages. This diminishing airflow hints at a more stagnant atmosphere typical of the approaching heat, as the peak of summer shifts from the lively breezes of spring to the calmer days ahead. The gentle winds of May serve as a reminder of nature’s rhythms, creating a serene backdrop for outdoor activities.
The weather in Louisville changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Louisville and find detailed weather information for every month.
May and January present drastically different weather patterns. In May, temperatures range from a chilly 0°C (33°F) at night to a warm 33°C (92°F) during the day, with an average of around 20°C (67°F). During this month, Louisville experiences an average of 128 mm (5.0 in) of precipitation over 14 days, with humidity hovering at 79%. In contrast, January is much colder, with temperatures dipping as low as -18°C (0°F) and peaking at around 20°C (68°F), averaging only 2°C (35°F). The month sees less precipitation, totaling 87 mm (3.4 in) over just 9 days, and a higher humidity level of 87%. For a detailed look at what Louisville weather is like in January, check out Louisville weather in January.
May and February present contrasting weather conditions. In May, temperatures generally range from a minimum of 0°C (33°F) to a maximum of 33°C (92°F), with an average of around 20°C (67°F), making it much warmer than February, where the temperatures dip significantly, with a minimum of -18°C (0°F) and an average of only 4°C (40°F). Although both months receive similar precipitation levels of 128 mm (5.0 in), February experiences slightly less rainfall over 13 days compared to May's 14 days, and humidity in February is slightly higher at 85% versus May's 79%. This stark difference highlights the transition from the cold of winter to the warmth of spring. For more detailed weather insights, check out Louisville weather in February.
When comparing the weather in May and March, there are notable differences. May typically experiences milder temperatures, with a minimum of 0°C (33°F) and an average of 20°C (67°F), compared to March's more frigid temperatures, where the minimum can drop to -12°C (11°F) and an average of 9°C (48°F). Additionally, while both months receive a similar amount of precipitation—128 mm (5.0 in) for May and 132 mm (5.2 in) for March—March tends to have slightly higher humidity at 86% compared to May's 79%. For more details on the weather specifics in March, you can visit Louisville weather in March.
In comparing the weather between April and May, it is evident that May tends to be warmer and slightly more humid. While April sees average temperatures ranging from a minimum of -3°C (27°F) to a maximum of 29°C (84°F), May experiences a broader temperature range, with a minimum of 0°C (33°F) and a maximum of 33°C (92°F). Although April has a slightly higher total precipitation of 137 mm (5.4 in) over 12 days compared to May's 128 mm (5.0 in) over 14 days, the humidity levels remain comparable, with April at 84% and May at 79%. For more details on April's climate, you can check Louisville weather in April.
May and June showcase a transition in weather patterns, with June generally being warmer and more humid. In May, temperatures range from a chilly 0°C (33°F) to a warm 33°C (92°F), averaging around 20°C (67°F). Conversely, June starts off milder, with minimum temperatures around 9°C (49°F) and maximums reaching 34°C (93°F), averaging 24°C (75°F). Precipitation is slightly higher in June, totaling 151 mm (5.9 in) over 12 days compared to May's 128 mm (5.0 in) over 14 days, while humidity levels also increase from 79% in May to 82% in June. For more specifics on June weather, you can check Louisville weather in June.
In comparing the weather between May and July, May experiences a wider temperature range, with minimums dipping to 0°C (33°F) and maximums reaching up to 33°C (92°F), while the average temperature is around 20°C (67°F). Additionally, it has more precipitation, averaging 128 mm (5.0 in) over 14 days of rain. In contrast, July enjoys milder nights with minimum temperatures of 15°C (60°F) and warmer average temperatures around 26°C (79°F). The maximum temperature in July can reach up to 35°C (95°F), but it sees less precipitation, totaling 98 mm (3.9 in) over 11 days. Despite these differences, both months maintain a consistent humidity level of 79%. For more information on summer weather, you can check Louisville weather in July.
In May, temperatures can vary significantly, ranging from a chilly 0°C (33°F) at night to a warm 33°C (92°F) during the day, with an average of 20°C (67°F). This month also sees considerable rainfall, with 128 mm (5.0 in) of precipitation over 14 days and a relatively high humidity of 79%. In contrast, August offers a more consistent warmth, with temperatures starting at a minimum of 13°C (56°F) and peaking at 35°C (95°F), averaging around 25°C (76°F). August experiences less rainfall, totaling 94 mm (3.7 in) over just 11 days, and the humidity is lower at 70%. For more detailed information, you can refer to Louisville weather in August.
In May, temperatures typically range from a chilly 0°C (33°F) to a warm 33°C (92°F), with an average of 20°C (67°F). The month also sees significant rainfall, averaging 128 mm (5.0 in) over about 14 days, and high humidity levels at 79%. In contrast, September offers milder conditions with minimum temperatures around 8°C (47°F) and maximums reaching 36°C (97°F), averaging 22°C (72°F). Precipitation is slightly less at 112 mm (4.4 in) spread over just 8 days, and humidity decreases to 69%. For more details, check out Louisville weather in September.
May and October present distinct contrasts in weather. In May, temperatures range from a minimum of 0°C (33°F) to a maximum of 33°C (92°F), with an average temperature of 20°C (67°F). The month is relatively humid, with an average humidity of 79% and about 128 mm (5.0 in) of precipitation over 14 days. In contrast, October starts to cool down, with minimum temperatures dropping to -1°C (31°F) and a maximum of 35°C (96°F), averaging 16°C (60°F). While October experiences slightly lower precipitation at 98 mm (3.9 in) over about 10 days, the humidity decreases slightly to 76%. For more detailed insights into October's weather patterns, you can visit Louisville weather in October.
May and November present contrasting weather patterns, with May boasting warmer temperatures, ranging from a minimum of 0°C (33°F) to a maximum of 33°C (92°F) and an average of 20°C (67°F). In contrast, November is significantly cooler, featuring temperatures that drop as low as -10°C (14°F) and only reaching up to 27°C (80°F), with an average of 7°C (45°F). Precipitation is more frequent in May, with 128 mm (5.0 in) over 14 days, compared to November's 88 mm (3.5 in) over 9 days. Additionally, November has slightly higher humidity at 88% compared to May's 79%. To learn more about weather conditions during this time, check out Louisville weather in November.
May and December present stark contrasts in weather conditions. In May, temperatures range from a cool 0°C (33°F) to a warm 33°C (92°F), with an average of 20°C (67°F). This month experiences significant rainfall, totaling 128 mm (5.0 in) over about 14 days, accompanied by a humidity level of 79%. On the other hand, December is much colder, with temperatures fluctuating from a low of -14°C (8°F) to a high of 22°C (71°F), averaging only 5°C (41°F). Although it has slightly lower precipitation at 106 mm (4.2 in) across 10 days, it exhibits higher humidity at 87%. For a closer look at the cold weather conditions in December, check out Louisville weather in December.
As May unfolds in Louisville, the weather begins to transition into a warmer and more humid phase, starkly contrasting the cooler and drier conditions of earlier months. With temperatures averaging around 20°C (67°F), residents experience a pleasant warmth, while the occasional peak at 33°C (92°F) reminds everyone that summer is just around the corner. Despite the rising temperatures, May is also marked by increased precipitation, with rain gracing the city on about 14 days of the month, leading to lush greenery across the landscapes. The elevated humidity levels create a unique combination that distinguishes May from both the crispness of spring and the heat of summer. For further insights into how May fits into the broader context of the year-round weather patterns, check out Louisville Climate.