August Weather in Deadwood, United States

Last updated: February 24, 2025

In Deadwood, United States, August brings a blend of summer warmth and occasional showers, with maximum temperatures reaching a sizzling 37°C (99°F) and an average temperature settling around a comfortable 20°C (69°F). The month experiences minimum temperatures cooling down to 5°C (42°F), offering a refreshing contrast to the daytime heat. With precipitation total averaging 58 mm (2.3 in) over 8 days, residents and visitors alike can expect moments of respite from the heat, albeit with a humidity level hovering at 84%. This unique climatic combination creates a dynamic environment, making August a vibrant time to experience Deadwood's beauty.

August Temperature in Deadwood

In August, temperatures in Deadwood, United States, reflect the peak of summer, offering a delightful reprieve from the harsh winter months. With a minimum temperature of 5°C (42°F) and an inviting average of 20°C (69°F), it's a season marked by warmth and pleasant outdoor activities. The maximum temperature can reach as high as 37°C (99°F), reminiscent of the sizzling July climate. This month serves as a transition point, as the warm days begin to cool slightly, hinting at the seasonal shift ahead. Overall, August embraces visitors with a mix of sun-soaked days and cooler evenings, perfect for enjoying the natural beauty of the Black Hills region.

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

The chart illustrates August 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.

August Precipitation in Deadwood

In August, Deadwood experiences a moderate precipitation level, receiving 58 mm (2.3 in) of rain over 8 days. This marks a decline from the preceding months, particularly from the peak of 98 mm (3.9 in) in May and 88 mm (3.4 in) in July. The trend suggests a gradual reduction in rainfall, typical as summer transitions to fall. Notably, August's rainfall is somewhat consistent with June's totals, which may indicate a stable weather pattern before the drier months of September and October. As the year progresses, residents can look forward to a shift in climate, paving the way for crisp autumn days.

August Precipitation Trends in Deadwood

The chart displays monthly precipitation patterns in Deadwood, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec223339749865885843652131
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Deadwood

In August, Deadwood experiences a notable humidity level of 84%, a slight dip from the peak of 85% recorded in July, yet remaining among the highest for the year. This summer month follows a trend of rising humidity that begins in June, suggesting the presence of warm, moist air typical of the season. As the year progresses into September, humidity levels retract to 77%, reflecting the transition to cooler autumn days. Overall, the city's humidity patterns reveal a humid summer climate that is prevalent from late spring through early fall, providing residents and visitors with a lush and verdant backdrop.

August Average Humidity in Deadwood

This chart illustrates the average monthly humidity levels in Deadwood, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%70%70%76%84%85%85%77%73%74%79%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Deadwood

In August, the UV Index in Deadwood, United States reaches a notable 10, categorizing it as very high. This marks a slight decline from the previous months of June and July, both featuring an extreme UV Index of 11. With a burn time of 15 minutes, it’s essential for residents and visitors alike to take proper precautions to protect their skin during this time. As summer transitions into fall, the UV Index begins to gradually decrease, as seen in September's 8. This pattern showcases the need for awareness regarding sun exposure, especially during the peak months. To learn more about UV levels throughout the year, check out Deadwood UV Index.

Maximum UV Index Levels in Deadwood for August

The chart shows the monthly maximum UV Index (UVI) for Deadwood in August, 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 August 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.

August Sunshine in Deadwood

In August, Deadwood basks in a generous 357 hours of sunshine, marking a continuation of the sun-drenched summer months. Following June and July, which see their peak at 375 and 382 hours respectively, August offers a slightly quieter ambiance, yet still boasts a remarkable amount of sunlight. This decline from mid-summer is part of a natural transition, as daylight begins to wane with the approach of autumn. Interestingly, August's sunshine complements the vivid landscapes and outdoor activities that flourish during this time, making it a perfect month for both locals and visitors to enjoy the splendor of the Black Hills before the season shifts. Overall, the trend showcases a clear progression of increasing sunlight from the depths of winter, peaking in the summer, and gradually tapering as the year draws to a close.

Monthly Sunshine Duration in Deadwood: August Highlighted

The August sunshine duration represents the total number of hours Deadwood experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec163h208h257h276h302h375h382h357h288h237h216h198h
Data source: Deadwood August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Deadwood During August

In Deadwood, United States, August is a delightful month when the likelihood of sunny weather peaks at 70%. This upward trend in sunshine is a refreshing change from the earlier months of the year, where chances linger around the mid-40s. Notably, the summer months of June and July also boast a strong 66% chance of sun, creating a comfortable lead-up to August. As the summer wanes into September, the likelihood remains impressive at 68%, suggesting that the warmth and brightness of August set a vibrant tone not just for the month itself but for a beautiful transition into fall. Thus, August in Deadwood stands out as an ideal time to soak in the sun and enjoy the outdoors.

Percentage of Sunny Days in August in Deadwood

The chart illustrates the percentage of sunny days in Deadwood throughout the year, with August 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 August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Deadwood in August

In August, daylight in Deadwood begins a gradual decline, offering about 13 hours of sunlight. This marks a slight decrease from the peak of 15 hours experienced in both June and July, signaling the transition from the vibrant summer days into the early whispers of autumn. As the year progresses from the bright, long days of spring and summer—where March kicks off with 11 hours and May showcases 14 hours—August serves as a gentle reminder of the upcoming shorter days. After this month, daylight continues to wane, with September trimming it down to 12 hours, as the region prepares for the cozy embrace of fall.

Average Daylight Hours in Deadwood for August

The chart illustrates the variation in daylight duration in Deadwood throughout the year, with August 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.

August Winds in Deadwood

In August, Deadwood experiences a gentle breeze with an average wind speed of 3.2 m/s (7 mph), marking a continuation of the light winds typical of summer. This slight dip follows a trend of gradually decreasing wind speeds from a peak in the winter months, particularly November which averages 4.3 m/s (10 mph), and December at 4.2 m/s (9 mph). Interestingly, while other summer months like July also showcase lower speeds at 3.1 m/s (7 mph), August maintains a slight increase as the transition to fall begins. Overall, this pattern reflects a seasonal ebb in wind strength, inviting those in Deadwood to enjoy the calmer summer days before the brisk autumn winds roll in.

Average August Wind Speed in Deadwood

The chart displays monthly wind speed patterns in Deadwood, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.13.63.83.93.33.43.13.2 m/s3.13.84.34.2
Data source: Deadwood August wind data, generated using information from the Copernicus Climate Change Service.

How August 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 August'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.

The weather in August is characterized by warm temperatures, with an average of 20°C (69°F) and daily highs reaching up to 37°C (99°F), making it a stark contrast to January's frigid conditions, where average temperatures hover around -3°C (26°F) and can plunge to a chilling -30°C (-22°F). Additionally, August experiences higher humidity levels at 84%, along with more precipitation over 8 days, totaling 58 mm (2.3 in). In contrast, January is drier with only 22 mm (0.8 in) of precipitation over 6 days and a slightly lower humidity of 77%. For more details on January conditions, you can visit Deadwood weather in January.

The weather between August and February in Deadwood presents a striking contrast. August sees warm temperatures ranging from a minimum of 5°C (42°F) to a maximum of 37°C (99°F), with an average temperature of 20°C (69°F) and high humidity at 84%. In contrast, February experiences frigid conditions, with temperatures plunging as low as -29°C (-19°F) and averaging around -6°C (21°F), peaking at 18°C (65°F). Precipitation is slightly heavier in August at 58 mm (2.3 in) over 8 days, compared to 33 mm (1.3 in) over 9 days in February. For more detailed insights, you can refer to Deadwood weather in February.

August and March present contrasting weather patterns in Deadwood. August boasts a warm average temperature of 20°C (69°F), with maximum highs reaching 37°C (99°F), making it a peak summer month. Despite relatively high humidity at 84% and some rainfall, with precipitation occurring on 8 days, the overall warm climate is inviting. In contrast, March experiences a significant chill, with an average temperature of just 2°C (35°F) and nighttime lows plummeting to -26°C (-14°F). Although March has slightly less precipitation at 39 mm (1.5 in) over 9 days, the humidity is lower at 70%, giving it a starkly different feel from the sweltering days of August. For a more detailed look at the weather conditions in March, visit Deadwood weather in March.

When comparing the weather in August and April, one notable difference is the temperature range. August experiences a much warmer climate, with average temperatures around 20°C (69°F) and highs reaching up to 37°C (99°F), while April's temperatures are significantly cooler, averaging just 5°C (41°F) and peaking at 26°C (79°F). Additionally, April tends to have lower humidity levels at 70%, compared to August's higher humidity of 84%. In terms of precipitation, April sees slightly more rainfall with 74 mm (2.9 in) over 11 days, whereas August has 58 mm (2.3 in) spread over 8 days. For a detailed look at April weather, you can visit Deadwood weather in April.

In comparing the weather of August and May, August presents a warmer and drier climate with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 37°C (99°F). In contrast, May experiences cooler temperatures, with averages between -4°C (26°F) and 31°C (88°F), accompanied by higher precipitation levels and more rainy days; specifically, May sees 98 mm (3.9 in) of rain over 15 days compared to August's 58 mm (2.3 in) over just 8 days. Additionally, while the humidity in August reaches a high of 84%, May's humidity is relatively lower at 76%. For more detailed information, visit Deadwood weather in May.

When comparing the weather in August and June, it's evident that both months experience similar temperature ranges, with maximum temperatures reaching up to 37°C (99°F) in both months. However, August tends to have slightly higher average temperatures, with an average of 20°C (69°F) compared to June’s 19°C (66°F). Precipitation levels are also notable, as June sees a bit more rain at 65 mm (2.6 in) spread over 11 days, while August has 58 mm (2.3 in) over 8 days. Humidity levels remain constant at 84% for both months, contributing to a relatively muggy atmosphere. For more detailed insights on June weather, you can visit Deadwood weather in June.

When comparing the weather in August and July, a few notable differences emerge. August tends to be slightly cooler with average temperatures around 20°C (69°F), compared to July’s warmer average of 22°C (72°F). The maximum temperatures also reflect this trend, with August reaching up to 37°C (99°F) versus July's peak of 39°C (103°F). In terms of precipitation, July is wetter with 88 mm (3.4 in) over 12 days, while August sees less rain at 58 mm (2.3 in) spread over 8 days. Humidity levels remain relatively stable, with August at 84% and July slightly higher at 85%. For more detailed information, you can check Deadwood weather in July.

August and September present noticeable contrasts in weather patterns. August experiences a warmer average temperature of 20°C (69°F), with maximums reaching up to 37°C (99°F) and higher humidity levels at 84%. The month typically sees about 58 mm (2.3 in) of precipitation over 8 days. In contrast, September's temperatures drop, presenting an average of 16°C (61°F) and a minimum as low as -3°C (27°F), while still allowing for occasional highs of 37°C (100°F). The month is slightly drier with only 43 mm (1.7 in) of precipitation recorded over 7 days and reduced humidity at 77%. For more details, visit Deadwood weather in September.

August and October showcase distinct weather contrasts. In August, temperatures range from a mild 5°C (42°F) at night to a scorching 37°C (99°F) during the day, with an average of 20°C (69°F). Humidity is notably high at 84%, and precipitation occurs on about 8 days, amounting to 58 mm (2.3 in). In stark contrast, October experiences much cooler temperatures, with a minimum of -21°C (-5°F) and a maximum of 31°C (88°F), averaging 7°C (44°F). Although October has slightly more precipitation at 65 mm (2.5 in) over 9 days, the humidity is lower at 73%. For more detailed insights, check the link: Deadwood weather in October.

August and November weather in Deadwood present stark contrasts. In August, temperatures range from a mild 20°C (69°F) on average, soaring up to highs of 37°C (99°F), accompanied by relatively high humidity at 84%. In contrast, November sees much colder conditions, with average temperatures dropping to around 3°C (37°F) and nighttime lows plunging to as low as -19°C (-2°F). Precipitation also differs, with August experiencing more rainfall at 58 mm (2.3 in) over 8 days, while November receives less, totaling 21 mm (0.8 in) over 7 days. To learn more about November's weather specifics, visit Deadwood weather in November.

The weather in August and December presents a stark contrast, particularly in terms of temperature and overall conditions. In August, temperatures can range from a mild 5°C (42°F) to a scorching 37°C (99°F), with an average of 20°C (69°F) and high humidity levels at 84%. In contrast, December's temperatures plummet to a minimum of -24°C (-12°F) and only reach a maximum of 21°C (70°F), averaging around -1°C (30°F). Precipitation is also lower in December, totaling 31 mm (1.2 in) over about 7 days, compared to August's 58 mm (2.3 in) across 8 days. Despite the colder conditions, December maintains a relatively lower humidity at 79%. For more details on December's climate, you can check Deadwood weather in December.

Compare Deadwood's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Deadwood

August in Deadwood brings a notable shift in weather patterns compared to other months. With temperatures soaring to a maximum of 37°C (99°F), this month stands out as the warmest of the year, complemented by a steady average of 20°C (69°F). Alongside the heat, humidity levels peak at 84%, which can add to the sultry feel of the season. Although the region receives some precipitation—averaging 58 mm (2.3 in) over about 8 days—these showers provide a refreshing contrast to the warm days. Embrace the warmth while knowing that August in Deadwood is characterized by its unique blend of heat and humidity, setting it apart from the cooler, drier months. For more details on the climate throughout the year, visit Deadwood Climate.