May Weather in Roswell, United States

Last updated: February 24, 2025

May in Roswell, United States showcases a delightful blend of warmth and variability. The maximum temperature can soar up to 39°C (102°F), while the average sits comfortably at 23°C (74°F), offering a pleasant backdrop for outdoor activities. Nights can bring a refreshing coolness with temperatures dipping to a minimum of 2°C (36°F). Rainfall is modest, with only 14 mm (0.5 in) of precipitation spread over just 3 days, and humidity levels hover around 67%, adding a touch of balminess to the air. This month presents an enticing mix of summer heat and refreshing breezes, perfect for experiencing the vibrant energy of Roswell.

May Temperature in Roswell

In May, Roswell comes alive with warmth as temperatures begin to rise significantly, marking a transition into the summer months. The minimum temperature of 2°C (36°F) provides a mild start to the days, while the average temperature reaches a pleasant 23°C (74°F), inviting outdoor activities and exploration. The maximum temperature can soar up to 39°C (102°F), showcasing the onset of the heat that characterizes the upcoming summer. Compared to the cooler months earlier in the year, May offers a striking shift, making it an ideal time to enjoy the vibrant landscapes of Roswell under increasingly sunny skies.

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

The chart illustrates May temperature patterns in Roswell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434756647482848175625245
Data source: Temperature data for Roswell 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 Roswell

In May, Roswell experiences a moderate precipitation average of 14 mm (0.5 in) over three days, offering a brief respite from the drier spring months. This slight uptick follows April's more limited 17 mm, highlighting a subtle trend where late spring brings increased moisture as the region shifts into summer. Although May remains relatively dry compared to the upcoming summer months—such as June's 30 mm (1.2 in) and August's peak of 53 mm (2.1 in)—the consistent precipitation patterns suggest a buildup towards more substantial rainfall later in the season. Overall, May's precipitation serves as a gentle transition, preparing the landscape for the heavier storms that summer typically brings.

May Precipitation Trends in Roswell

The chart displays monthly precipitation patterns in Roswell, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1111201714302353393698
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Roswell

In May, Roswell experiences a moderate humidity level of 67%, signaling a shift as temperatures rise. This increase is a slight recovery from the dryer months of March and April, which both hovered around 61%. As spring transitions into summer, humidity levels gradually climb, reflecting Roswell's warm climate dynamics. While June and July see an uptick to 69%, May stands out as a pivotal point in the yearly cycle, bridging the gap between the refreshing spring air and the more humid summer months ahead. Notably, November and December indicate a return to higher humidity levels, with peaks of 82% and 80%, suggesting that the seasonal shifts in Roswell are closely intertwined with moisture levels throughout the year.

May Average Humidity in Roswell

This chart illustrates the average monthly humidity levels in Roswell, 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.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%61%61%67%69%69%66%71%71%82%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Roswell

As May arrives in Roswell, the UV Index escalates to a striking 12, marking the onset of extreme sun exposure risks. This is a continuation of a significant upward trend seen since January, where the UV Index began at a more moderate 5. Each month builds intensity, peaking in May—and sustaining this extreme level into June, July, and August. Accordingly, residents and visitors should be aware that their burn time shrinks to just 10 minutes during this period, urging the need for vigilant sun protection. As summer approaches, understanding these changes ensures you stay safe while enjoying the sunny days in Roswell. For detailed insights, check out the full report on the Roswell UV Index.

Maximum UV Index Levels in Roswell for May

The chart shows the monthly maximum UV Index (UVI) for Roswell 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.
JanFebMarAprMayJunJulAugSepOctNovDec579111212121210864
Data source: Roswell 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 Roswell

As May dawns in Roswell, United States, so too does the promise of abundant sunshine, with the city basking in an impressive 360 hours of bright daylight. This surge marks a peak in the region's trend of increasing sunlight, which begins its upward trajectory in the early months of the year. After a gradual climb from 206 hours in January to 323 hours in April, residents can finally embrace the full splendor of spring. Following May, the sun remains a steadfast companion through June and July, though the hours begin to slightly dip in August. This consistent pattern reveals not just the seasonal changes, but also the joyous embrace of longer days that invigorate the spirit of Roswell as summer approaches.

Monthly Sunshine Duration in Roswell: May Highlighted

The May sunshine duration represents the total number of hours Roswell 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.
JanFebMarAprMayJunJulAugSepOctNovDec206h247h291h323h360h356h371h342h302h287h255h260h
Data source: Roswell May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Roswell During May

In Roswell, the likelihood of sunny weather fluctuates throughout the year, with May enjoying a moderate 63% chance of sun. This places it slightly below the peak sunshine months of February and March, both at 72%, and just above the more overcast summer months like July, which drops to 58%. Notably, as the year progresses, the chances of sunlight tend to decrease from the spring highs, reaching a low in July before picking up again in the fall, particularly in October when a robust 85% chance of sunshine emerges. Thus, while May offers a decent opportunity for sunny days, it hints at a seasonal pattern where brighter skies are not too far behind in the latter half of the year.

Percentage of Sunny Days in May in Roswell

The chart illustrates the percentage of sunny days in Roswell 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 Roswell experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec67%72%72%62%64%61%58%60%72%86%67%63%
Data source: Roswell May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Roswell in May

In Roswell, United States, May marks a delightful transition in daylight duration, maintaining 13 hours of sunlight—the same as in April. As spring unfolds, the longer days invite residents to enjoy the outdoors, setting the stage for the vibrant activities of summer. Following May, daylight continues to increase, peaking in June and July with 14 hours of luminous skies. This trend reflects a gradual warming and lengthening of days from the winter months, where daylight starts at a mere 10 hours in January, showcasing the rhythmic shift of seasons. By late summer, daylight begins to recede, reminiscent of the return to fall, but for May, the day is just right for embracing nature and celebrating the joys of the blossoming season.

Average Daylight Hours in Roswell for May

The chart illustrates the variation in daylight duration in Roswell throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 12m10h 59m11h 59m13h 1m13h 53m14h 18m14h 4m13h 19m12h 19m11h 18m10h 24m9h 57m
Data source: Roswell daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Roswell

In May, Roswell experiences a pleasant breeze with an average wind speed of 4.8 m/s (11 mph), maintaining the robust gusts seen in the previous months. This slight decrease from April’s winds reflects a transition as summer approaches, yet it remains above the seasonal average observed earlier in the year. The winds are generally more moderate than those of March and April, which peak at 5.0 m/s (11 mph) and 4.9 m/s (11 mph), respectively. As June rolls in, the wind speed tapers to 4.2 m/s (9 mph), hinting at a trend towards gentler breezes in the forthcoming summer months. Overall, May’s winds encapsulate the balance between spring’s vitality and summer’s warmth, inviting outdoor activities while maintaining a refreshing atmosphere.

Average May Wind Speed in Roswell

The chart displays monthly wind speed patterns in Roswell, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.84.05.04.94.8 m/s4.23.23.43.63.83.33.9
Data source: Roswell May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Roswell Compares to Other Months

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

In comparing the weather between May and January, it becomes clear that May offers a much warmer climate, with average temperatures reaching 23°C (74°F), peaking at a scorching 39°C (102°F). In contrast, January experiences a chillier atmosphere, where temperatures average only 6°C (43°F) and can drop as low as -12°C (11°F). Both months receive minimal precipitation, with May averaging 14 mm (0.5 in) over 3 days and January slightly less at 11 mm (0.4 in) over 2 days. Additionally, January tends to have higher humidity levels at 75%, compared to May's 67%, contributing to a different feel in the air. For more detailed insights, you can explore Roswell weather in January.

The weather in May is significantly warmer than in February, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 39°C (102°F), resulting in an average of 23°C (74°F). In contrast, February experiences much colder temperatures, with a minimum of -16°C (4°F), an average of 8°C (47°F), and a maximum of 31°C (88°F). Precipitation levels are fairly similar, with May receiving 14 mm (0.5 in) over 3 days and February getting slightly less at 11 mm (0.4 in) over 2 days. Additionally, while humidity is generally high in both months, it is slightly lower in May at 67% compared to 74% in February. For more detailed insights, check out Roswell weather in February.

In comparing the weather patterns of May and March, it's evident that May experiences significantly warmer temperatures, with an average of 23°C (74°F) and maximum highs reaching up to 39°C (102°F). In contrast, March tends to be much cooler, with average temperatures hovering around 13°C (56°F) and a maximum of 32°C (89°F). Additionally, while May has relatively low precipitation at 14 mm (0.5 in) over three days, March sees slightly more rainfall at 20 mm (0.8 in) during the same timeframe. Humidity levels are also comparatively higher in May at 67%, while March maintains a lower humidity of 61%. For a more detailed look at March weather, you can visit Roswell weather in March.

In comparing the weather between April and May, it is evident that May experiences warmer temperatures overall. The minimum temperature in May is slightly higher at 2°C (36°F) compared to April's 1°C (34°F), while the average temperature rises significantly from 18°C (64°F) in April to 23°C (74°F) in May. This trend continues with a maximum temperature of 39°C (102°F) in May, which is markedly hotter than April's maximum of 35°C (95°F).

Additionally, May has slightly less precipitation at 14 mm (0.5 in) over 3 days, compared to April's 17 mm (0.7 in) over just 2 days. The humidity also increases in May, averaging at 67% compared to 61% in April. For a detailed look at the weather conditions in April, you can visit Roswell weather in April.

May and June exhibit notable contrasts in weather patterns. In May, temperatures range from a cool minimum of 2°C (36°F) to a warm average of 23°C (74°F), peaking at a scorching 39°C (102°F). Precipitation is relatively low, with just 14 mm (0.5 in) falling over three days, and humidity levels are at 67%. In contrast, June experiences a more consistent warmth, with a minimum temperature of 12°C (55°F) and a higher average of 28°C (82°F), reaching a maximum of 43°C (109°F). Rainfall increases to 30 mm (1.2 in) over five days, while humidity rises slightly to 69%. For more detailed information about June weather, you can visit Roswell weather in June.

In comparing the weather of May and July, we can see notable differences in temperature and precipitation patterns. May offers a broader temperature range, with minimums dropping to 2°C (36°F) and maximums reaching up to 39°C (102°F), while the average temperature is a comfortable 23°C (74°F). In contrast, July is distinctly warmer, with minimum temperatures around 18°C (65°F) and maximums soaring to 43°C (109°F), giving it an average temperature of 29°C (84°F). Additionally, July experiences increased precipitation, totaling 23 mm (0.9 in) over 7 days compared to May's 14 mm (0.5 in) over just 3 days, and slightly higher humidity levels at 69%. For a more detailed look at what to expect, check out Roswell weather in July.

When comparing the weather in May and August, notable differences in temperature and precipitation patterns emerge. May experiences a broader temperature range, with minimums dipping to 2°C (36°F) and maximums soaring to 39°C (102°F), while the average temperature is a comfortable 23°C (74°F). In contrast, August starts off warmer with a minimum of 16°C (61°F), an average of 27°C (81°F), and can reach up to a sweltering 42°C (108°F). Additionally, August sees significantly more rain, with 53 mm (2.1 in) of precipitation over 8 days, compared to May's 14 mm (0.5 in) over just 3 days. Despite the increased heat and humidity in August, the overall humidities remain fairly consistent, hovering around 66-67%. For more details on weather patterns during this month, you can check out Roswell weather in August.

May and September showcase distinct weather patterns, each offering a unique experience. In May, temperatures range from a cool 2°C (36°F) at night to a warm 39°C (102°F) during the day, with an average temperature of 23°C (74°F). The month sees relatively low precipitation at 14 mm (0.5 in) over just 3 days, accompanied by a humidity level of 67%.

Conversely, September presents a slightly cooler minimum temperature of 6°C (42°F) and an average temperature of 24°C (75°F), while the maximum temperature dips to 38°C (101°F). However, it brings increased rainfall, with 39 mm (1.5 in) falling over 6 days, along with a marginally higher humidity of 71%. For a detailed look at weather specifics in September, you can check out Roswell weather in September.

May and October present contrasting weather patterns that reflect the transition between spring and autumn. In May, temperatures range from a mild 2°C (36°F) at night to a warm 39°C (102°F) during the day, with an average of 23°C (74°F). This month experiences relatively low precipitation of 14 mm (0.5 in) over just 3 days and a humidity level of 67%.

In contrast, October sees more variable temperatures, with nighttime lows dipping to -6°C (22°F) and daytime highs reaching up to 36°C (96°F), averaging 17°C (63°F). This month is wetter, with 36 mm (1.4 in) of precipitation recorded over approximately 5 days and slightly higher humidity at 71%. For a more detailed look at October weather, you can visit Roswell weather in October.

May and November showcase contrasting weather patterns. In May, temperatures range from a minimum of 2°C (36°F) to a scorching maximum of 39°C (102°F), averaging a comfortable 23°C (74°F). The month sees a modest 14 mm (0.5 in) of precipitation over three days, along with a humidity level of 67%. In contrast, November offers cooler temperatures, with a minimum of -6°C (22°F) and a maximum of 31°C (88°F), averaging just 11°C (52°F). Precipitation in November is slightly lower at 9 mm (0.3 in), occurring over two days, and humidity rises to 82%. For more insights, check out Roswell weather in November.

May and December present stark contrasts in weather. May enjoys much warmer temperatures, with a minimum of 2°C (36°F) and an average high of 23°C (74°F), reaching up to 39°C (102°F) at times. It experiences a total of 14 mm (0.5 in) of precipitation over three days, coupled with a humidity level of 67%. In contrast, December sees much cooler conditions, with temperatures dipping to a minimum of -9°C (16°F), an average of 7°C (45°F), and a maximum of 25°C (78°F). This month has lower precipitation at 8 mm (0.3 in) over just two days, but the humidity is slightly higher at 80%. For more specific details on December weather in Roswell, visit Roswell weather in December.

Compare Roswell's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Roswell

As May unfolds in Roswell, the weather begins to transition towards warmth, with temperatures reaching their maximum highs and an average that reflects the approaching summer. In contrast to the cooler months preceding it, the mild evenings provide a pleasant escape from the daytime heat. While rain is scarce, with only a few days of precipitation, the humidity levels are noticeable, adding a touch of moistness to the air. This unique blend of warmth and sporadic rainfall makes May an interesting month in the Roswell climate narrative. For a more in-depth understanding of how these weather patterns evolve, explore our detailed page on Roswell Climate.