May Weather in Gatlinburg, United States

Last updated: February 24, 2025

In Gatlinburg, United States, the weather in May is characterized by a pleasant warmth, with maximum temperatures reaching up to 30°C (87°F) and an average of 18°C (66°F). Early mornings can be cool, dipping to a minimum of 0°C (32°F). This month also sees significant precipitation, receiving 131 mm (5.2 in) over approximately 14 days, contributing to the lush green scenery the region is known for. With humidity levels around 85%, visitors should be prepared for a moist atmosphere, making it an ideal time for enjoying the vibrant natural beauty of the area while keeping an eye on unpredictable showers.

May Temperature in Gatlinburg

In Gatlinburg, United States, May heralds a delightful shift in temperatures as spring unfolds into warmer days. With a minimum of 0°C (32°F) and an average of 18°C (66°F), the month presents a refreshing transition from the chill of winter to the inviting warmth of early summer. The maximum temperature of 30°C (87°F) allows for plenty of outdoor exploration, making it the perfect time to enjoy the lush landscapes and myriad activities the area has to offer. As May progresses, you can truly feel the seasonal transformation, marking a period of comfort and vibrant growth in this picturesque destination.

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

The chart illustrates May temperature patterns in Gatlinburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec394549566571757370604642
Data source: Temperature data for Gatlinburg 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.

May Precipitation in Gatlinburg

In Gatlinburg, May is characterized by a pleasing balance of moderate precipitation and days of rain. With an average rainfall of 131 mm (5.2 in) spread across approximately 14 days, this month marks a slight decline from the wetter spring months of March and April, yet maintains a steady rhythm that supports the lush greenery of the Smoky Mountains. Interestingly, as the transition from spring to summer occurs, May's precipitation continues a trend of generally high rainfall, which has been consistent since January. This gradual tapering in precipitation amounts foreshadows the drier June ahead, allowing for a vibrant transition into the summer season.

May Precipitation Trends in Gatlinburg

The chart displays monthly precipitation patterns in Gatlinburg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9715314513813111111812910613282136
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Gatlinburg

In May, Gatlinburg experiences a humidity level of 85%, which reflects a slight decrease from the 82% recorded in April. This stability in humidity, following the winter months of 86%, indicates a gradual transition into warmer weather as spring unfolds. The relative consistency in humidity levels from January to April suggests that Gatlinburg's climate remains quite moist in the early part of the year. As the summer months approach, June sees a return to 85% humidity, showing that the area's humidity remains high through the warm season. Overall, while May is drier than the preceding month, Gatlinburg retains its characteristic humid atmosphere, setting the stage for lush greenery and vibrant blooms typical of Appalachian spring.

May Average Humidity in Gatlinburg

This chart illustrates the average monthly humidity levels in Gatlinburg, 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%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Gatlinburg

As May arrives in Gatlinburg, the UV Index escalates to a striking 11, marking the transition into an extreme exposure category. This significant jump from April's 10 serves as a clear reminder of the sun's intensity during the warmer months. With a burn time of only 10 minutes, residents and visitors alike must take caution as they enjoy the emerging summer activities. The trend continues into June and July, with consistent UV levels, highlighting the need for sun protection as the region experiences its peak sunlight. In contrast, as the year progresses toward fall, the UV Index gradually declines, leading to a safer environment for outdoor enjoyment. Stay informed and protect your skin by checking the latest data: Gatlinburg UV Index.

Maximum UV Index Levels in Gatlinburg for May

The chart shows the monthly maximum UV Index (UVI) for Gatlinburg 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.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109864
Data source: Gatlinburg 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 Gatlinburg

As the vibrant month of May unfolds in Gatlinburg, sunshine begins to take center stage, culminating in an impressive 298 hours of bright, cheerful daylight. This marks a significant leap from the 262 hours recorded in April, signaling a welcoming transition into the warmer months. Following this sun-kissed peak, June and July continue the trend, with daylight hours reaching 310 and 327 respectively, inviting residents and visitors alike to bask in the region’s natural beauty. The gradual tapering of sunlight into the fall months, starting in August with 310 hours, highlights a captivating seasonal cycle. Enthusiasts of the outdoors can truly appreciate how May sets the stage for the summer's abundant sunshine, creating an idyllic backdrop for adventures in the Smoky Mountains.

Monthly Sunshine Duration in Gatlinburg: May Highlighted

The May sunshine duration represents the total number of hours Gatlinburg 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.
JanFebMarAprMayJunJulAugSepOctNovDec149h160h227h262h298h310h327h310h285h260h226h171h
Data source: Gatlinburg May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gatlinburg During May

In Gatlinburg, the likelihood of sunny weather experiences a notable shift as the seasons change. After the brighter days of April, which boast a 53% chance of sunshine, May sees a dip to 29%, making it the month with the least sunny promise in the spring. This trend is particularly striking when viewed against the backdrop of the milder winter months, where January through March maintain percentages around the mid to high 30s. Interestingly, as summer approaches, the chances of sun gradually rise again, with June reaching 35% and July peaking at 41%. Despite May's relatively low sunshine likelihood, the sunshine in the surrounding months tends to enhance the natural beauty of Gatlinburg as it transitions into the warmth of summer.

Percentage of Sunny Days in May in Gatlinburg

The chart illustrates the percentage of sunny days in Gatlinburg 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 Gatlinburg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%34%39%53%29%35%41%39%52%41%51%42%
Data source: Gatlinburg May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gatlinburg in May

As spring blooms into summer, Gatlinburg experiences a noticeable increase in daylight duration. Beginning with 10 hours in both January and February, the days gradually lengthen, reaching 13 hours by April. May marks a delightful peak, offering 14 hours of daylight, a trend that continues through June and July. This extended daylight not only enhances the area's natural beauty but also encourages outdoor activities and exploration. As summer wanes into August and September, daylight begins to decrease, tapering off to 12 hours in September, before returning to the shorter days of autumn and winter. This rhythm of daylight offers residents and visitors alike a chance to fully enjoy Gatlinburg's stunning landscapes during the sunniest months.

Average Daylight Hours in Gatlinburg for May

The chart illustrates the variation in daylight duration in Gatlinburg throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 2m10h 53m11h 59m13h 6m14h 3m14h 31m14h 16m13h 25m12h 21m11h 13m10h 15m9h 46m
Data source: Gatlinburg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Gatlinburg

In Gatlinburg, United States, the wind patterns in May reveal a gentle breeze, with an average wind speed of 2.0 m/s (5 mph). This slight dip from April's speed mirrors a broader trend of decreasing winds as the year progresses, culminating in the calmer summer months. While winter and early spring maintain brisker speeds, the transition into warmer seasons sees a gradual reduction in wind intensity, reaching a low of 1.3 m/s (3 mph) by August. May represents a delicate balance between the lively winds of winter and the stillness of summer, creating an inviting atmosphere for visitors to explore the scenic beauty of the Smoky Mountains and its tranquil surroundings.

Average May Wind Speed in Gatlinburg

The chart displays monthly wind speed patterns in Gatlinburg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.22.32.32.0 m/s1.71.61.31.51.82.02.4
Data source: Gatlinburg May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Gatlinburg Compares to Other Months

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

May and January present stark contrasts in weather conditions. In May, temperatures range from a minimum of 0°C (32°F) to a warm average of 18°C (66°F), peaking at a maximum of 30°C (87°F). This month sees significant rainfall, with 131 mm (5.2 in) spread over 14 days and humidity levels averaging 85%. In contrast, January experiences much colder temperatures, with a minimum of -17°C (1°F) and an average of just 4°C (39°F), reaching a maximum of 23°C (73°F). Precipitation in January is slightly less at 97 mm (3.8 in) over 13 days, while humidity remains similar at 86%. For more specifics on January weather conditions, you can refer to Gatlinburg weather in January.

In comparing the weather conditions of May and February, there are notable differences in temperature and overall climate. May experiences a much warmer average temperature of 18°C (66°F), with daytime highs reaching up to 30°C (87°F), while February's average hovers around 7°C (45°F), peaking at 25°C (77°F). However, February is characterized by colder nights, with temperatures dropping as low as -9°C (16°F). Precipitation levels are fairly close, with May recording 131 mm (5.2 in) and February slightly higher at 153 mm (6.0 in), both accumulating over 14 days. Notably, humidity remains consistently high in both months, at 85% in May and 86% in February. For more detailed information, you can check Gatlinburg weather in February.

In comparing the weather of May and March, May emerges as a distinctly warmer month, boasting an average temperature of 18°C (66°F) compared to March's cooler average of 10°C (50°F). While March can still experience chilly nights with temperatures dropping to -17°C (1°F), May enjoys a more comfortable range, with minimum temperatures at 0°C (32°F) and maximums reaching up to 30°C (87°F). Precipitation is somewhat similar, with May receiving 131 mm (5.2 inches) over 14 days, slightly less than March's 145 mm (5.7 inches) spread across 15 days. Interestingly, humidity levels are close, with May at 85% and March at 86%. For more information on March weather specifics, you can check Gatlinburg weather in March.

In comparing the weather of May and April, we see some distinct differences. May experiences a wider temperature range with a minimum of 0°C (32°F) and an average of 18°C (66°F), while April starts off colder, with a minimum of -3°C (26°F) and an average of 13°C (57°F). Both months have similar maximum temperatures, peaking at 30°C (87°F) in May and 30°C (85°F) in April. Precipitation is slightly higher in April, with 138 mm (5.4 in) across 12 days compared to May's 131 mm (5.2 in) over 14 days. Humidity levels are also slightly higher in May at 85%, compared to 82% in April. For more detailed information, check out the Gatlinburg weather in April.

May and June both offer mild temperatures, but June tends to be slightly warmer overall. In May, temperatures range from a chilly 0°C (32°F) at night to a pleasant 30°C (87°F) during the day, averaging around 18°C (66°F). June, on the other hand, sees minimum temperatures of 8°C (46°F) and a maximum of 31°C (88°F), with an average of 22°C (71°F). Precipitation is fairly consistent between the two months, with May receiving 131 mm (5.2 in) over 14 days and June slightly less at 111 mm (4.4 in) across 15 days. Humidity remains constant at 85% for both months, contributing to a muggy atmosphere. For more details on June weather in Gatlinburg, you can check out Gatlinburg weather in June.

In comparing the weather of May and July, we see a notable shift in temperature and precipitation patterns. May starts out with cooler minimum temperatures, as low as 0°C (32°F), and averages around 18°C (66°F), while July boasts warmer mornings with minimums of 13°C (56°F) and averages of 24°C (75°F). Although both months experience a similar range of maximum temperatures—30°C (87°F) in May and 32°C (90°F) in July—July sees slightly less precipitation at 118 mm (4.6 in) over 16 days, compared to May's 131 mm (5.2 in) over 14 days. Humidity levels remain high in both months, but slightly lower in July at 83%, compared to May's 85%. For more details, you can check Gatlinburg weather in July.

In comparing the weather between May and August, we notice a marked difference in temperatures and humidity levels. May experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 18°C (66°F), whereas August is warmer, featuring a minimum temperature of 12°C (55°F) and an average of 23°C (74°F). Both months have similar precipitation levels, with May receiving 131 mm (5.2 in) over 14 days and August slightly less at 129 mm (5.1 in) over 15 days. However, May is characterized by higher humidity at 85%, compared to August's more comfortable 76%. For a detailed view of how August weather unfolds, check out Gatlinburg weather in August.

May and September each offer distinct weather experiences. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 30°C (87°F) during the day, with an average of 18°C (66°F). The month sees significant rainfall, with 131 mm (5.2 in) spread over 14 days and high humidity levels around 85%. In contrast, September features milder temperatures, with nighttime lows of 6°C (43°F) and daytime highs reaching 33°C (91°F) for an average of 21°C (70°F). Although slightly less rainy, September still receives 106 mm (4.2 in) of precipitation over 12 days, accompanied by lower humidity levels of 76%. For more insights into the September climate, visit Gatlinburg weather in September.

May and October present contrasting yet intriguing weather patterns. In May, temperatures range from a minimum of 0°C (32°F) to a warm maximum of 30°C (87°F), with an average of 18°C (66°F). The month experiences substantial rainfall, totaling 131 mm (5.2 in) over approximately 14 days, combined with a high humidity of 85%. In contrast, October offers slightly cooler temperatures, with a minimum of -3°C (28°F) and a maximum of 33°C (91°F), while the average temperature dips to 16°C (60°F). Rainfall remains consistent at 132 mm (5.2 in) but occurs over just 11 days, and humidity drops to 80%. For a more detailed look at October weather specifics, check out Gatlinburg weather in October.

May and November present contrasting weather patterns, showcasing the transition from spring to late autumn. In May, temperatures range from a chilly 0°C (32°F) at night to a warm average of 18°C (66°F) during the day, occasionally peaking at 30°C (87°F). This month also sees considerable rainfall, with about 131 mm (5.2 in) spread across 14 days, while humidity remains relatively high at 85%. In contrast, November experiences a much cooler climate, with nighttime lows dipping to -11°C (13°F) and average daily temperatures around 8°C (47°F), peaking at a milder 25°C (77°F). Precipitation is slightly lower at 82 mm (3.2 in) over 10 days, coupled with an elevated humidity of 88%. For more detailed insights, you can check Gatlinburg weather in November.

May and December offer contrasting weather experiences, reflecting the transition from spring to winter. In May, temperatures range from a minimum of 0°C (32°F) to a pleasant average of 18°C (66°F), peaking at 30°C (87°F). This month sees about 131 mm (5.2 inches) of rain over approximately 14 days, with a humidity of 85%. In contrast, December's temperatures are much colder, with a minimum of -16°C (4°F) and an average of 6°C (43°F), reaching a maximum of 22°C (72°F). Precipitation slightly increases to 136 mm (5.4 inches) over 13 days, accompanied by a higher humidity level of 88%. For more information on the weather specifics, you can check Gatlinburg weather in December.

Compare Gatlinburg's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Gatlinburg

May in Gatlinburg brings a delightful warmth that truly sets it apart from the cooler months preceding it. With an average temperature nudging upwards to a comfortable 18°C, days are increasingly inviting for outdoor adventures. However, it’s also a month to be prepared for a fair amount of rainfall, with precipitation occurring on approximately half of the days. This means that while the lush greenery flourishes, travelers should be ready for those refreshing spring showers. The high humidity levels add a touch of mugginess but also enhance the vibrant atmosphere of the Smoky Mountains. For a detailed look at how May compares to other months, check out Gatlinburg Climate.