May Weather in Deadwood, United States

Last updated: February 24, 2025

May in Deadwood, United States brings a dynamic mix of weather patterns, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 31°C (88°F). The month averages a mild 11°C (52°F), providing a refreshing contrast amid the spring bloom. However, residents can expect significant precipitation, with 98 mm (3.9 in) falling over approximately 15 days, contributing to a higher humidity level of 76%. This combination of warmth and moisture creates a vibrant atmosphere, making May a unique time for both outdoor activities and appreciating the blossoming landscape.

May Temperature in Deadwood

In May, Deadwood, United States, begins to shake off the lingering chill of winter, with temperatures showcasing a significant shift towards warmth. The month kicks off with a minimum temperature dipping to around -4°C (26°F), while the average rises to a pleasant 11°C (52°F). As the days progress, residents can expect a maximum of 31°C (88°F), signaling the approach of summer. This upward trend from the preceding months is marked by a remarkable leap from April's milder conditions, which only reach a high of 26°C (79°F). May not only brings a welcome warmth but also hints at the vibrant and sun-filled days that lie ahead, making it a beautiful transition into the summer months.

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

The chart illustrates May temperature patterns in Deadwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec262135415266726961443730
Data source: Temperature data for Deadwood 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 Deadwood

In May, Deadwood experiences a significant increase in precipitation, with 98 mm (3.9 in) of rain recorded over 15 days. This jump follows the steady rise from April's 74 mm (2.9 in) and marks the month as one of the wettest in the year. The frequency of rainy days underscores the transition into the peak of spring, as nature comes alive with blooming flora after the long winter. This pattern indicates that May is a critical month for replenishing water sources, setting the stage for the drier months that follow. As temperatures rise, the increased moisture not only enhances the landscape but also provides a refreshing contrast to the summer heat on the horizon.

May Precipitation Trends in Deadwood

The chart displays monthly precipitation patterns in Deadwood, 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.
JanFebMarAprMayJunJulAugSepOctNovDec223339749865885843652131
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Deadwood

In May, Deadwood experiences a humidity level of 76%, which reflects a gentle transition into the warmer months. Following a relatively dry stretch in March and April, the humidity begins to rise, hinting at the approaching summer. This slight uptick is notable when compared to April’s consistent 70%, suggesting an environment that is starting to feel more refreshing and lush. As the year progresses, humidity peaks in the summer months, with June and July reaching heights of 84% and 85%, respectively. Thus, May serves as a bridge, setting the stage for the more humid conditions that characterize Deadwood’s summer climate.

May Average Humidity in Deadwood

This chart illustrates the average monthly humidity levels in Deadwood, 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.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%70%70%76%84%85%85%77%73%74%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Deadwood

As May unfolds in Deadwood, the sun intensifies its rays, bringing the UV Index to a significant 9, categorizing it as very high. This level of exposure is similar to what residents experience in April, suggesting a trend of increasing sunlight as spring transitions into summer. With a burn time of just 15 minutes, it is crucial for outdoor enthusiasts to take protective measures. This heightened UV activity is a precursor to June's even more intense 11 rating, marking a shift into extreme sun exposure. Staying informed about the UV Index is essential for health and safety, particularly during this vibrant month. For more detailed information, visit Deadwood UV Index.

Maximum UV Index Levels in Deadwood for May

The chart shows the monthly maximum UV Index (UVI) for Deadwood 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.
JanFebMarAprMayJunJulAugSepOctNovDec346991111108532
Data source: Deadwood 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 Deadwood

In Deadwood, United States, the arrival of May marks a delightful transition into sunnier days, boasting an impressive 302 hours of sunshine. This increase continues a trend of growing daylight since the beginning of the year, where the average hours of sun steadily rise from 163 in January to this vibrant peak in May. As spring unfolds, residents and visitors alike can relish in the warmth that heralds the upcoming summer months, during which June and July shine even brighter, reaching 375 and 382 hours respectively. The gradual rise in sunshine not only enhances the scenery but also invites a spirit of adventure, making May the perfect time to explore the lush landscapes and charming streets of this historic town.

Monthly Sunshine Duration in Deadwood: May Highlighted

The May sunshine duration represents the total number of hours Deadwood 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.
JanFebMarAprMayJunJulAugSepOctNovDec163h208h257h276h302h375h382h357h288h237h216h198h
Data source: Deadwood May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Deadwood During May

In Deadwood, United States, May brings a 45% chance of sunny weather, which is a slight decrease compared to the preceding months of April and March, sitting at 44% and 53%, respectively. While May doesn't quite match the sunnier onset of summer, it nonetheless paves the way for brighter days ahead. As temperatures begin to warm up, June and July see a significant jump in sunny weather, with chances soaring to 66%. This trend underscores the gradual transition from the relatively dimmer early months of the year, setting the stage for a more vibrant summer climate. So, while May may not boast an abundance of sun, it's a reminder that sunnier days are just around the corner.

Percentage of Sunny Days in May in Deadwood

The chart illustrates the percentage of sunny days in Deadwood 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 Deadwood experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%42%53%45%45%66%66%70%68%60%51%43%
Data source: Deadwood May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Deadwood in May

As spring transitions into summer, May in Deadwood, United States, brings a delightful increase in daylight, reaching 14 hours of sunlit hours. This upward trend from 13 hours in April showcases the energizing effects of longer days, inviting outdoor activities and vibrant community events. Following May, the daylight peaks in June at 15 hours, offering residents ample time to enjoy the natural beauty of the Black Hills. However, as the year progresses towards autumn, daylight gradually wanes, reminding us that these bright days are fleeting. The pattern showcases a rhythmic cycle of daylight that enhances the charm of each season, enriching life in Deadwood throughout the year.

Average Daylight Hours in Deadwood for May

The chart illustrates the variation in daylight duration in Deadwood throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 15m10h 27m11h 57m13h 30m14h 49m15h 28m15h 6m13h 56m12h 27m10h 55m9h 34m8h 52m
Data source: Deadwood daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Deadwood

In Deadwood, United States, the winds in May tend to settle into a gentle calm, with an average wind speed of 3.3 m/s (7 mph), marking a slight decline from the preceding months. This decrease continues a trend observed as spring transitions into summer, where the gusty breezes of earlier months begin to surrender to the warmth of summer. Notably, the wind speeds in May are among the lowest of the year, surpassed only by July and September, suggesting that residents and visitors can enjoy a more tranquil atmosphere. As the year progresses, wind speeds fluctuate, reaching their peak in the colder months, but in May, the air remains notably softer, reflecting the gradual embrace of warmer days ahead.

Average May Wind Speed in Deadwood

The chart displays monthly wind speed patterns in Deadwood, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.13.63.83.93.3 m/s3.43.13.23.13.84.34.2
Data source: Deadwood May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Deadwood Compares to Other Months

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

May and January present stark contrasts in weather conditions. In May, temperatures range from a chilly minimum of -4°C (26°F) to a warm maximum of 31°C (88°F), with an average temperature of 11°C (52°F). This month also experiences more precipitation, totaling 98 mm (3.9 in) over approximately 15 days, accompanied by a humidity level of 76%. In contrast, January typically features much colder temperatures, with a minimum of -30°C (-22°F) and a maximum reaching only 14°C (57°F), resulting in an average of -3°C (26°F). January's precipitation is significantly lower at just 22 mm (0.8 in) over about 6 days, with a similar humidity level of 77%. For more detailed information, you can refer to Deadwood weather in January.

May and February exhibit stark differences in weather conditions. In May, temperatures range from a chilly minimum of -4°C (26°F) to a warm maximum of 31°C (88°F), with an average of 11°C (52°F). The month sees about 98 mm (3.9 in) of precipitation over 15 days, accompanied by a humidity level of 76%. In contrast, February presents a much harsher climate, with minimum temperatures dropping to -29°C (-19°F) and a maximum of only 18°C (65°F), averaging -6°C (21°F). Precipitation is significantly lower at 33 mm (1.3 in) over 9 days, while humidity stands at a relatively high 80%. For further insights, check Deadwood weather in February.

In comparing the weather between March and May, it's clear that May experiences significantly milder temperatures, with an average of 11°C (52°F) compared to March's chilly 2°C (35°F). The maximum temperature in May can soar to 31°C (88°F), while March peaks at a much cooler 21°C (69°F). Precipitation is more frequent in May, occurring on about 15 days with a total of 98 mm (3.9 in), compared to March, which sees less rain—39 mm (1.5 in) over 9 days. Moreover, May's humidity sits at 76%, slightly higher than March's 70%. Overall, May is a much warmer and wetter month than March, making it a more pleasant time for outdoor activities. For detailed insights into March weather, visit Deadwood weather in March.

In comparing the weather between April and May, it’s clear that May brings significantly warmer temperatures, with an average of 11°C (52°F) compared to April's cooler average of 5°C (41°F). May also features a wider temperature range, with maximum temperatures peaking at 31°C (88°F), while April's highs reach only 26°C (79°F). Although May experiences slightly more precipitation at 98 mm (3.9 in) over 15 days, April is not far behind with 74 mm (2.9 in) over 11 days. Overall, May is characterized by higher humidity levels of 76%, compared to April’s 70%, indicating a shift towards more tropical conditions. For more detailed insights on April weather, you can visit Deadwood weather in April.

May's weather displays a wider temperature range, with minimums dropping to -4°C (26°F) and maximums peaking at 31°C (88°F), resulting in an average of 11°C (52°F). This month also experiences a higher amount of precipitation at 98 mm (3.9 in) over 15 days and maintains a humidity level of 76%. In contrast, June sees a more stable and warmer climate, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 37°C (99°F) and an average of 19°C (66°F). Precipitation decreases to 65 mm (2.6 in) over 11 days, accompanied by an increase in humidity to 84%. For more detailed information about the weather during this month, check Deadwood weather in June.

The weather in May contrasts significantly with that of July. In May, temperatures can range from a chilly -4°C (26°F) to a warm 31°C (88°F), with an average of 11°C (52°F). This month also sees about 98 mm (3.9 in) of precipitation over 15 days, accompanied by a humidity level of 76%. In contrast, July experiences consistently warmer temperatures, with a minimum of 9°C (49°F) and a maximum reaching up to 39°C (103°F), averaging 22°C (72°F). The precipitation in July is slightly less at 88 mm (3.4 in) over 12 days, and the humidity rises to 85%. For a more detailed look at July weather, you can check Deadwood weather in July.

In comparing the weather between May and August, we see distinct differences in temperature and precipitation patterns. May features a broader temperature range, with minimums dipping as low as -4°C (26°F) and maximums reaching up to 31°C (88°F), resulting in an average of 11°C (52°F). In contrast, August brings milder conditions, with minimums around 5°C (42°F) and maximums up to 37°C (99°F), averaging 20°C (69°F). Precipitation in May is more frequent, occurring on 15 days and totaling 98 mm (3.9 in), while August experiences significantly less rainfall, totaling 58 mm (2.3 in) over just 8 days. This increase in humidity to 84% in August also contributes to the month's warmer feel compared to May's humidity level of 76%. For a detailed look at August's weather specifics, check out Deadwood weather in August.

May and September exhibit distinct weather characteristics, reflecting the transition from spring to the early autumn months. May experiences a broader temperature range with minimums dipping to -4°C (26°F) and maximums reaching 31°C (88°F), averaging around 11°C (52°F). This month also sees relatively high precipitation, with 98 mm (3.9 in) falling over 15 days and humidity levels around 76%.

In contrast, September offers slightly milder temperatures, with minimums around -3°C (27°F) and maximums peaking at 37°C (100°F), while the average temperature rises to 16°C (61°F). Precipitation decreases significantly to 43 mm (1.7 in) over just 7 days, maintaining a similar humidity level of 77%. Overall, September tends to be drier and warmer compared to the more variable conditions of May. For more detailed weather insights, check Deadwood weather in September.

May and October present contrasting yet intriguing weather patterns. In May, temperatures range dramatically from a chilly -4°C (26°F) at night to a warm 31°C (88°F) during the day, with an average temperature of 11°C (52°F). The month sees significant precipitation, totaling 98 mm (3.9 in) over about 15 days, contributing to a humid atmosphere with 76% humidity. In contrast, October features lower minimum temperatures, plunging to -21°C (-5°F) while maintaining the same maximum of 31°C (88°F), resulting in an average temperature of 7°C (44°F). The month is drier, with 65 mm (2.5 in) of rainfall over just 9 days, and slightly less humidity at 73%. For a detailed look at October's specific weather patterns, check out Deadwood weather in October.

When comparing the weather in May and November, we see contrasting patterns that highlight the transition from spring to late fall. May features a much broader temperature range, with minimums around -4°C (26°F) and maximums soaring to 31°C (88°F), resulting in a lively average of 11°C (52°F). The month is relatively wet, with 98 mm (3.9 in) of precipitation spread across about 15 days and a higher humidity level of 76%.

In stark contrast, November brings much colder temperatures, where the minimum can plummet to -19°C (-2°F) and the average hovers around just 3°C (37°F). However, the maximum temperature remains mild at 24°C (76°F). November also enjoys significantly lower precipitation, totaling only 21 mm (0.8 in) over about 7 days, alongside a similar humidity level of 74%. For more detailed insights, check out Deadwood weather in November.

May and December present striking contrasts in weather conditions. In May, temperatures can vary significantly, with minimums dipping to -4°C (26°F) and maximums soaring to 31°C (88°F), accompanied by an average temperature of 11°C (52°F). Additionally, May experiences considerable precipitation, totaling 98 mm (3.9 in) over approximately 15 days, and comes with relatively high humidity at 76%. In stark contrast, December is much colder, with minimum temperatures plummeting to -24°C (-12°F) and a maximum of only 21°C (70°F), yielding an average temperature of -1°C (30°F). Precipitation levels are also lower in December, at just 31 mm (1.2 in) across 7 days, and humidity remains slightly higher at 79%. For more detailed insights about December weather, visit Deadwood weather in December.

Compare Deadwood's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Deadwood

As May arrives in Deadwood, the weather transforms, bringing a delightful blend of warmth and moisture that sets it apart from the chillier months of spring. While temperatures steadily rise, with maximums reaching a comfortable 31°C (88°F), the evenings can still be refreshingly cool, dipping to around 11°C (52°F). Expect more frequent showers as May sees nearly half the month graced with precipitation, contributing to the lush greenery of the landscape. With an average humidity of 76%, the air feels rich and vibrant, providing a perfect backdrop for outdoor adventures. For more detailed insights into how weather patterns affect this charming town, explore Deadwood Climate.