May Weather in Charlotte, United States

Last updated: February 24, 2025

In May, Charlotte, United States experiences a dynamic range of weather, with maximum temperatures peaking at a sizzling 36°C (96°F) while the average hovers around a comfortable 22°C (71°F). Nights can be cool, dipping to a refreshing 5°C (41°F). This month also brings a total of 113 mm (4.5 in) of precipitation over 11 days, contributing to the region's lush greenery. With a humidity level of 83%, the air feels warm and tropical, making May a month of vibrant contrasts and engaging outdoor activities in this charming Southern city.

May Temperature in Charlotte

In May, Charlotte truly begins to embrace the warmth of spring, showcasing a remarkable transition in temperatures. With a minimum of 5°C (41°F) and an impressive average soaring to 22°C (71°F), the city enjoys pleasant days ideal for outdoor activities. The maximum temperature can reach a sweltering 36°C (96°F), making it one of the warmest months of the year. This upward trend in temperatures sets the stage for the hot summer months ahead, following a steady rise from the chill of winter as seen in the earlier months. Overall, May serves as a delightful prelude to the heat, inviting residents and visitors alike to revel in the increasing sunshine and mild evenings.

May Weather in Charlotte: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Charlotte, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434954627177817974655147
Data source: Temperature data for Charlotte generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Charlotte

May in Charlotte ushers in a delightful increase in rainfall, with 113 mm (4.5 in) of precipitation recorded over 11 days. This trend marks a slight elevation from April's 103 mm (4.0 in), suggesting a shift towards the wetter season. The skies begin to open up more frequently as summer approaches, with precipitation levels closely aligning with those of June and July. This uptick in moisture not only nourishes the lush greenery of the area but also contributes to the overall humid subtropical climate that characterizes Charlotte. As the city transitions into warmer months, May sets the stage for vibrant blooms and a lively atmosphere, all under the occasional refreshing rainfall.

May Precipitation Trends in Charlotte

The chart displays monthly precipitation patterns in Charlotte, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec9211683103113821141051339290120
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Charlotte

In Charlotte, United States, May ushers in a slight dip in humidity, averaging 83%—a gentle transition from the cooler, more moisture-laden months of winter and early spring. This decrease reflects a trend of gradually declining humidity levels as summer approaches, with June trailing closely behind at 82%. Compared to January’s peak of 86% and February's 85%, May's humidity feels more comfortable, paving the way for those delightful warm days. Interestingly, the humidity continues to decline into July and August, reaching its lowest at 74%, before a subtle rise again in the fall. This dynamic fluctuation not only enhances the charm of Charlotte’s spring but also sets the stage for the vibrant summer months ahead.

May Average Humidity in Charlotte

This chart illustrates the average monthly humidity levels in Charlotte, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Charlotte

As May arrives in Charlotte, the UV Index reaches a peak of 10, indicating a very high level of sun exposure similar to that recorded in April. With a burn time of just 15 minutes, it's essential for residents and visitors to be cautious when spending time outdoors. This trend highlights a significant escalation from the moderate levels seen in January and February, swiftly transitioning through March's high level to the current intensity. The climbing UV Index signifies the approach of summer, where sun protection becomes increasingly crucial. Stay informed and prepare for the intense rays ahead by checking out the detailed Charlotte UV Index.

Maximum UV Index Levels in Charlotte for May

The chart shows the monthly maximum UV Index (UVI) for Charlotte in May, 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.
JanFebMarAprMayJunJulAugSepOctNovDec46810101110109853
Data source: Charlotte May 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.

May Sunshine in Charlotte

In Charlotte, May emerges as a radiant highlight in the city's sunshine calendar, boasting 299 hours of sunlight—an impressive peak in a steady upward trend that begins in January with 162 hours. As spring takes hold and blooms flourish, the city enjoys a warm transition, with sunlight hours gradually increasing each month. April sets the stage with 277 hours, paving the way for May's brilliant shine before the summer months kick in. This progression not only enhances outdoor activities and community events in May but also marks the onset of a sun-drenched season, peaking in July with 345 hours. As the sunshine continues to dance across the skies, it invites both residents and visitors to bask in the vibrant charm of Charlotte.

Monthly Sunshine Duration in Charlotte: May Highlighted

The May sunshine duration represents the total number of hours Charlotte experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec162h175h245h277h299h317h345h312h287h264h227h200h
Data source: Charlotte May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Charlotte During May

In May, the likelihood of sunny weather in Charlotte, United States stands at 38%, which is notably lower than the previous month’s 57% but consistent with the trends observed in March and the preceding months. This dip suggests that while the spring season may bring some sunny days, May is often a transitional month where the emergence of summer's cloud cover begins to be felt. As summer rolls in, the chance of sunshine declines further, peaking again in September. Overall, while May offers a mix of sun and clouds, outdoor enthusiasts may want to plan accordingly, as the weather remains somewhat unpredictable.

Percentage of Sunny Days in May in Charlotte

The chart illustrates the percentage of sunny days in Charlotte throughout the year, with May 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 Charlotte experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%37%38%57%38%28%43%43%51%47%62%44%
Data source: Charlotte May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Charlotte in May

As May arrives in Charlotte, U.S., residents are greeted by 14 hours of daylight, marking a peak in the springtime transition. This increase from the 10 hours seen in January and February showcases the gradual lengthening of days as winter melts away. The progression is evident, with daylight extending from 11 hours in March to 13 hours in April, and finally reaching its May zenith. Throughout the summer months of June and July, daylight holds steady at 14 hours, providing ample time for outdoor activities and enjoyment of the warm weather. As the year progresses into autumn, daylight begins to recede, with a gentle decline back to 10 hours in November and 9 hours in December. This cyclical pattern underscores not only the beauty of seasonal change but also the growing anticipation for the sun-soaked days ahead.

Average Daylight Hours in Charlotte for May

The chart illustrates the variation in daylight duration in Charlotte throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 4m10h 54m11h 59m13h 5m14h 1m14h 28m14h 13m13h 24m12h 20m11h 14m10h 17m9h 48m
Data source: Charlotte daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Charlotte

In May, the winds in Charlotte bring a delightful average speed of 2.6 m/s (6 mph), continuing a gentle trend that starts in the spring. Following a slight increase in April, the winds ease a bit, settling into a comfortable rhythm that complements the blooming scenery. As the month progresses into early summer, the breeze remains relatively mild, which is characteristic of this time of year. Notably, this pattern reflects a gradual decline from the spring’s slightly more vigorous gusts, hinting at the stillness of the approaching summer months. With such a pleasant and predictable wind profile, May in Charlotte invites outdoor activities, allowing residents and visitors to enjoy the fresh air without the overpowering force of the seasonal gusts often seen in other regions.

Average May Wind Speed in Charlotte

The chart displays monthly wind speed patterns in Charlotte, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.92.93.12.6 m/s2.32.11.82.02.42.62.9
Data source: Charlotte May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Charlotte Compares to Other Months

The weather in Charlotte 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 Charlotte and find detailed weather information for every month.

May and January present strikingly different weather conditions. In May, temperatures range from a refreshing minimum of 5°C (41°F) to a warm maximum of 36°C (96°F), with an average of 22°C (71°F). The month experiences significant rainfall, with 113 mm (4.5 in) falling over 11 days, contributing to a high humidity level of 83%. In contrast, January features much colder temperatures, with a minimum of -12°C (10°F) and a maximum of 25°C (77°F), averaging only 6°C (44°F). Precipitation is slightly less during this month, totaling 92 mm (3.6 in) over 9 days, and humidity remains high at 86%. For more details on the winter season, you can check out Charlotte weather in January.

In comparing the weather between February and May, it's evident that May offers a much warmer climate, with average temperatures soaring to 22°C (71°F) and maxing out at 36°C (96°F). In contrast, February's temperatures are significantly lower, ranging from a chilly -7°C (20°F) to a more moderate high of 27°C (80°F), resulting in an average of just 9°C (49°F). Both months experience similar levels of precipitation, around 113-116 mm (4.5-4.6 in) over approximately 11 rainy days, yet February has a slightly higher humidity level at 85% compared to May’s 83%. For a closer look at February's weather specifics, visit Charlotte weather in February.

When comparing the weather between March and May, it's clear that May is significantly warmer, with average temperatures reaching 22°C (71°F) compared to March's average of 12°C (54°F). While March can still experience chilly nights with a minimum temperature of -6°C (22°F), May’s minimum temperature is a much milder 5°C (41°F). Precipitation is slightly higher in May at 113 mm (4.5 in) over 11 days, compared to March's 83 mm (3.3 in) over 10 days. Despite this, both months have similar humidity levels, with May at 83% and March at 84%. For more detailed information, check out Charlotte weather in March.

In comparing the weather of May and April, it’s evident that May brings a significant increase in temperatures, with average highs reaching 36°C (96°F) compared to April's maximum of 30°C (87°F). While both months experience similar levels of humidity, with May at 83% and April at 82%, May also sees slightly more precipitation at 113 mm (4.5 in) over 11 days, compared to April's 103 mm (4.0 in) over 9 days. This uptick in warmth and rainfall marks May as a more tropical month, making it distinctly different from the cooler and drier conditions of April. For further insights, you can explore Charlotte weather in April.

In May, temperatures range from a low of 5°C (41°F) to a high of 36°C (96°F), with an average of 22°C (71°F). The month sees significant rainfall, with 113 mm (4.5 in) of precipitation over 11 days, and humidity levels hovering around 83%. In contrast, June experiences warmer temperatures, with a minimum of 11°C (53°F), an average of 25°C (77°F), and highs reaching 38°C (101°F). Precipitation decreases to 82 mm (3.2 in) over 13 days, and humidity slightly lowers to 82%. For more detailed information, you can check out Charlotte weather in June.

May and July display distinct weather patterns, reflecting the transition from spring to summer. In May, temperatures range from a cool 5°C (41°F) at night to a warm average of 22°C (71°F) during the day, peaking at 36°C (96°F). The month experiences moderate precipitation of 113 mm (4.5 in) over 11 days, accompanied by high humidity at 83%. In contrast, July offers warmer nights, with a minimum temperature of 17°C (63°F), an average of 27°C (81°F), and a maximum temperature of 37°C (99°F). While July receives a similar amount of precipitation at 114 mm (4.5 in) over more days (15), the humidity is slightly lower at 80%. Thus, July typically feels warmer and more humid, fostering a quintessential summer climate. For further details, visit Charlotte weather in July.

May and August present distinct contrasts in weather patterns. In May, temperatures range from a cooler minimum of 5°C (41°F) to a warm average of 22°C (71°F), peaking at a high of 36°C (96°F). The month tends to be wetter, receiving substantial rainfall of 113 mm (4.5 in) over approximately 11 days, alongside higher humidity levels averaging 83%. Conversely, August experiences milder mornings with temperatures starting at 15°C (59°F) and an average of 26°C (79°F), while the maximum temperature aligns closely with May at 35°C (96°F). Precipitation decreases slightly to 105 mm (4.1 in), occurring over 15 days, and with lower humidity averaging 74%. This shift marks a transition from the wetter spring to the drier summer conditions. For more insights on the weather trends during this month, check out Charlotte weather in August.

May and September present a noticeable transition in weather conditions. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 36°C (96°F), with an average of 22°C (71°F). The month experiences relatively high humidity at 83% and significant precipitation, totaling 113 mm (4.5 inches) over 11 days. In contrast, September starts off slightly warmer with an average temperature of 23°C (75°F), while the minimum and maximum temperatures range from 8°C (46°F) to 35°C (95°F). Although September sees a bit more rainfall, with 133 mm (5.2 inches) spread over 9 days, the humidity drops to 75%, making the weather feel more comfortable. For more detailed information, you can check Charlotte weather in September.

In May, temperatures range from a chilly 5°C (41°F) to a warm 36°C (96°F), with an average high of 22°C (71°F). The month sees around 113 mm (4.5 in) of rainfall over 11 days, contributing to a humidity level of 83%. In contrast, October experiences cooler temperatures, with lows around 1°C (34°F) and an average of 18°C (65°F), while still reaching a maximum of 35°C (95°F). Precipitation is slightly lower at 92 mm (3.6 in) across 9 days, and humidity decreases to 79%. For more details on the weather in October, you can check Charlotte weather in October.

May and November present contrasting weather patterns, with May generally being warmer and more humid. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 36°C (96°F), averaging around 22°C (71°F), and the month experiences about 113 mm (4.5 in) of rainfall over 11 days, contributing to a humidity level of 83%. In contrast, November sees cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 27°C (81°F), resulting in an average of 10°C (51°F). The month records less precipitation at 90 mm (3.5 in) over 8 days, while humidity slightly increases to 87%. For more detailed insights, check out Charlotte weather in November.

May and December offer contrasting weather experiences. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 36°C (96°F), with an average temperature of 22°C (71°F). This month is characterized by high humidity at 83% and moderate rainfall of 113 mm (4.5 in) across 11 days. In contrast, December sees cooler temperatures, with lows reaching -7°C (19°F) and highs peaking at 25°C (78°F), averaging around 8°C (47°F). While precipitation rises slightly to 120 mm (4.7 in) over 10 days, the humidity is marginally higher at 87%. For more detailed insights, check out the Charlotte weather in December.

Compare Charlotte's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Charlotte

As spring fully unfolds in May, Charlotte experiences a delightful transition with warmer temperatures and vibrant life. The average warmth makes this month significantly more pleasant compared to the chill of winter, while occasional rain showers—totaling about 113 mm—help to maintain the lush greenery of the region. Humidity levels rise, enveloping the city in a soft warmth that heralds the approaching summer, contrasting sharply with the crisp air of earlier months. For those interested in understanding what to expect from Charlotte's weather throughout the year, the Charlotte Climate page provides a comprehensive overview.