Last updated: February 24, 2025
In May, Custer, United States experiences a dynamic climate characterized by a max temperature of 29°C (85°F), an average of 10°C (50°F), and a min temperature dipping to -7°C (19°F). This month sees a noteworthy precipitation total of 112 mm (4.4 in) spread across 18 days, contributing to the region's humidity level of 74%. These conditions create a unique tapestry of vibrant springtime weather, making Custer an intriguing destination for those drawn to the beauty and variability of nature.
In Custer, United States, May signifies a breath of fresh air following the lingering chill of winter. With minimum temperatures rising to -7°C (19°F) and an average reaching 10°C (50°F), the month showcases a significant leap from the frosty grip of earlier months. Daytime temperatures can soar to a pleasant 29°C (85°F), inviting residents and visitors alike to embrace outdoor activities. This transition highlights a clear warming trend, as May consistently marks a shift towards milder weather that sets the stage for the warm summer months ahead. As the landscape blooms back to life, it’s a perfect time to enjoy the emerging greenery under vibrant blue skies.
May marks a distinct turning point in Custer’s precipitation patterns, with a notable increase to 112 mm (4.4 in) of rainfall spread over 18 days. This surge is a significant leap from the previous months, particularly April's 84 mm and its 12 days of rain. As spring unfolds, the rainy spell not only rejuvenates the landscape but also sets the stage for the wetter summer months ahead. With May averaging more rainfall days than any preceding month, it showcases a rhythm of consistent moisture that supports the vibrant flora of the region, highlighting Custer's transition into the lushness of late spring.
In Custer, United States, May ushers in a refreshing transition with an average humidity of 74%. Following the drier months of March and April, which recorded 64% and 66% humidity respectively, May marks a slight increase, hinting at the more humid summer months ahead. This gradual rise in moisture is a precursor to the peak humidity experienced in June and July, where levels soar to 84% and 85%. As such, May serves as a bridge, balancing the drier spring air and the impending summer's muggy atmosphere, making it an ideal time for outdoor activities before the heat settles in.
As the spring blooms in Custer, May welcomes a very high UV Index of 9, maintaining the intensity established in April. With a brisk burn time of just 15 minutes, it underscores a rapid escalation toward summer's extreme UV levels. This trend reflects a significant uptick in sun exposure, urging residents and visitors alike to prioritize skin protection. Following May, June and July will likely bring even more intense UV radiation, peaking at 11. Awareness of these changing conditions is essential for safe outdoor enjoyment, making resources like the Custer UV Index invaluable for planning your sun-soaked activities.
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As May unfolds in Custer, United States, it shines brightly with 305 hours of radiant sunshine, marking a delightful increase from the previous months. This upward trend begins in January with just 171 hours, gradually warming up to 287 hours in April, making the transition into spring truly invigorating. The heart of spring brings a vibrant surge in sunlight, surpassing 300 hours for the first time this year, as residents and visitors alike relish the longer days. Looking ahead, the sunshine continues to thrive, peaking in the summer months with June and July boasting impressive totals of 374 and 384 hours, respectively. This consistent increase not only highlights a seasonal pattern but also promises a warm embrace of outdoor adventures as summer approaches.
As the seasons transition in Custer, May brings a notable dip in sunny weather with a 40% chance of sunshine, making it the month with one of the lowest probabilities for clear skies. This contrasts sharply with the vibrant summer months that follow, where the likelihood of sun peaks in August at an impressive 72%. The trends clearly indicate that while spring may still carry some coolness and cloud cover, residents can look forward to a burst of brightness as June and July roll in, showcasing 65% and 62% chances of sunny days, respectively. Thus, while May may seem a bit gray, it's merely the precursor to the sun-drenched days ahead.
As spring unfolds in Custer, the days grow noticeably longer, culminating in May with an average of 14 hours of daylight. This trend reflects a steady increase from the 11 hours in March, a time when nature begins to awaken from winter's grip. Following May, daylight peaks in June at 15 hours, creating a vibrant backdrop for outdoor activities. However, as summer wanes into August, daylight begins to taper off, gradually descending to 13 hours. This rhythm of increasing and decreasing light is a beautiful reminder of nature's cycles, making May a particularly enchanting month as Custer basks in the benefits of extended daylight.
In Custer, United States, the month of May brings a gentle breeze, with an average wind speed of 3.0 m/s (7 mph). This slight decline from the more robust winds of early spring, where speeds hover around 3.4 m/s, suggests a transitional phase as the region eases into summer. The wind speed continues a downward trend that began in April, signaling a shift towards more stable conditions. Notably, this decrease is consistent with the pattern observed in subsequent months, with the summer months of June through August also recording lower averages of 2.8 m/s each. As the year progresses into the fall, however, wind speeds pick up again, rising to 3.4 m/s in October. This fluctuation illustrates the dynamic nature of Custer's wind patterns, influenced by seasonal changes and local geography. Overall, May serves as a bridge between the brisk winds of early spring and the calmer, warmer days of summer.
The weather in Custer 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 Custer and find detailed weather information for every month.
May and January present stark contrasts in weather conditions. In May, temperatures range from a chilly -7°C (19°F) to a pleasant 29°C (85°F), with an average temperature of 10°C (50°F). The month experiences significant precipitation, totaling 112 mm (4.4 in) over approximately 18 days, contributing to a relatively high humidity of 74%. In contrast, January brings much harsher conditions, with temperatures dipping as low as -28°C (-18°F) and seldom rising above 15°C (59°F), averaging at -3°C (26°F). Precipitation is minimal, recorded at just 15 mm (0.6 in) over about 5 days, while humidity remains slightly lower at 73%. For a deeper look into January weather, you can check Custer weather in January.
May and February showcase stark contrasts in weather conditions. In May, temperatures range from a minimum of -7°C (19°F) to a maximum of 29°C (85°F), with an average of 10°C (50°F). Precipitation is quite noticeable in May, totaling 112 mm (4.4 in) over 18 days, while humidity sits at 74%. In comparison, February presents a much colder environment, with temperatures dipping as low as -33°C (-27°F) and averaging -6°C (21°F). The maximum temperature in February reaches only 17°C (63°F), accompanied by significantly lower precipitation levels of 32 mm (1.3 in) over just 7 days and a humidity of 78%. For a detailed look at February weather, refer to Custer weather in February.
May and March display stark contrasts in weather conditions. In March, temperatures can plunge as low as -29°C (-21°F), making the average a chilly 1°C (34°F), while May brings more moderate temperatures, with a minimum of -7°C (19°F) and an average of 10°C (50°F), peaking at a warm 29°C (85°F). Additionally, March experiences relatively low precipitation of 48 mm (1.9 in) over just 8 days, while May sees a significant increase in rainfall, with 112 mm (4.4 in) spread across 18 days, and a higher humidity of 74% compared to March's 64%. For a detailed breakdown of conditions in March, visit Custer weather in March.
In comparing the weather patterns of April and May, it’s evident that May experiences a significant warming trend. The average temperature in May is 10°C (50°F), which is notably higher than April’s average of 4°C (39°F). Additionally, while April reaches a maximum temperature of 25°C (77°F), May surpasses this with peaks of up to 29°C (85°F). However, May also brings more precipitation, with 112 mm (4.4 in) over 18 days compared to April's 84 mm (3.3 in) over 12 days, and a higher humidity level of 74% in May versus 66% in April. For a more detailed look at what to expect in April, you can check Custer weather in April.
May and June exhibit notable differences in weather patterns. May experiences a wider temperature range with minimums reaching -7°C (19°F) and maximums peaking at 29°C (85°F), while June sees milder conditions, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 34°C (94°F). Precipitation levels are also varied; May receives a total of 112 mm (4.4 in) over 18 days, contrasting with June's lighter rainfall of 88 mm (3.4 in) spread over just 14 days. Additionally, humidity increases slightly in June, rising to 84% compared to May's 74%. For a more detailed look at June weather in Custer, you can visit Custer weather in June.
When comparing the weather in May and July, significant differences emerge. May experiences a wider temperature range, with lows dipping to -7°C (19°F) and averages around 10°C (50°F), while July boasts milder minimums of 7°C (45°F) and a warmer average of 20°C (69°F). July also sees higher maximum temperatures, soaring up to 35°C (96°F) compared to May's peak of 29°C (85°F). Both months have similar precipitation levels, with May receiving 112 mm (4.4 in) over 18 days and July slightly edging out with 114 mm (4.5 in) over 16 days. Additionally, July has higher humidity at 85%, compared to May's 74%. For more detailed information, check out Custer weather in July.
May showcases a wider temperature range with a minimum of -7°C (19°F) and a maximum reaching 29°C (85°F), averaging around 10°C (50°F). In contrast, August experiences milder minimum temperatures at 4°C (40°F) and higher maximums of 34°C (94°F), with an average of 19°C (66°F). Additionally, May is wetter, receiving 112 mm (4.4 in) of precipitation over 18 days, whereas August has less rainfall at 76 mm (3.0 in) spread over just 13 days. The humidity is also slightly higher in August at 85%, compared to May's 74%. For more detailed information on August's weather, you can explore Custer weather in August.
May and September exhibit notable differences in weather patterns. In May, temperatures range from a minimum of -7°C (19°F) to a comfortable maximum of 29°C (85°F), with an average temperature of 10°C (50°F). This month also experiences significant precipitation, totaling 112 mm (4.4 in) over 18 days, with humidity sitting at 74%. In contrast, September boasts a slightly lower minimum temperature of -9°C (16°F) but a higher average of 15°C (59°F) and can reach a maximum of 36°C (97°F). Additionally, September has considerably less precipitation, with only 49 mm (1.9 in) over 8 days and a marginally higher humidity of 76%. For more detailed insights into weather during this month, check out Custer weather in September.
May and October present quite distinct weather patterns. In May, temperatures range from a chilly minimum of -7°C (19°F) to a warm maximum of 29°C (85°F), with an average temperature of 10°C (50°F). This month sees significant precipitation, with around 112 mm (4.4 inches) falling over 18 days, and humidity levels hovering around 74%. In contrast, October features lower temperatures, with a minimum of -21°C (-5°F) and an average of 6°C (43°F), peaking at a maximum of 28°C (82°F). Precipitation decreases to 53 mm (2.1 inches) over just 8 days, and humidity drops slightly to 71%. For more detailed insights into the weather conditions during this month, you can visit Custer weather in October.
May and November present contrasting weather conditions. In May, temperatures range from a chilly -7°C (19°F) at night to a warm 29°C (85°F) during the day, with an average of 10°C (50°F). The month experiences considerable precipitation, totaling 112 mm (4.4 in) over 18 days, accompanied by a humidity level of 74%. In contrast, November brings a sharper chill, with minimum temperatures dropping to -21°C (-5°F) and a maximum of 24°C (75°F), averaging a cooler 2°C (36°F). Interestingly, November sees significantly less rainfall, accumulating only 23 mm (0.9 in) over just 6 days, while the humidity remains relatively stable at 73%. For more detailed weather insights, you can check Custer weather in November.
May and December present starkly contrasting weather conditions. In May, temperatures range from a chilly low of -7°C (19°F) to a warm high of 29°C (85°F), with an average of 10°C (50°F). The month experiences 112 mm (4.4 in) of precipitation over 18 days and a humidity level of 74%. In contrast, December sees much colder conditions, with temperatures plummeting to a minimum of -25°C (-13°F) and only rising to a maximum of 19°C (67°F), averaging -2°C (29°F) for the month. With only 27 mm (1.1 in) of precipitation over just 6 days and a slightly higher humidity of 75%, December is decidedly drier and frigid. For more specific December weather details, you can check Custer weather in December.
As May unfolds in Custer, the weather showcases a remarkable transformation from the preceding colder months, inviting the beauty of spring. With temperatures rising significantly, residents and visitors can expect more pleasant days, contrasting sharply with the chill of winter. Although rainfall is quite frequent, hitting approximately 18 days, the lush greenery that follows makes it all worthwhile. On average, humidity levels hover around a comfortable 74%, creating a refreshing atmosphere. For those eager to explore the shifting climate, dive deeper into the details at Custer Climate.