January Weather in Deadwood, United States

Last updated: February 24, 2025

In January, Deadwood, United States, experiences a unique blend of winter weather characteristics. The maximum temperature reaches a chilly 14°C (57°F), while the average temperature hovers around a brisk -3°C (26°F). Residents and visitors alike should prepare for the possibility of extreme cold, as temperatures can plummet to a frigid -30°C (-22°F). January also sees an average precipitation of 22 mm (0.8 in) over the course of 6 days, contributing to a humidity level of 77% that can make the cold feel even more penetrating. It's a month where winter's embrace is deeply felt, creating a captivating yet challenging atmosphere.

January Temperature in Deadwood

In Deadwood, United States, January showcases a dramatic winter chill, with minimum temperatures plunging to -30°C (-22°F), while the average hovers around -3°C (26°F). The month offers a brief respite with maxima reaching up to 14°C (57°F), hinting at the gradual transition toward milder days. As winter progresses into February, temperatures remain biting, yet a slight increase emerges with maximums hitting 18°C (65°F). This illustrates a consistent pattern of cold months giving way to the first hints of spring, as evident in March when the average climbs to 2°C (35°F) and maximums peak at 21°C (69°F). Overall, January epitomizes the frigid essence of winter in Deadwood, setting the stage for the slow thaw that follows in the subsequent months.

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

The chart illustrates January 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.

January Precipitation in Deadwood

In January, Deadwood experiences relatively low precipitation, measuring 22 mm (0.8 in) over approximately 6 days. This sets the tone for a month that leans into winter's grasp, with moisture levels gradually increasing as the year progresses. By February, precipitation rises to 33 mm (1.3 in), accompanied by an uptick in rainy days, hinting at the transition towards spring. March continues this trend with 39 mm (1.5 in) of rain, while April brings a significant leap to 74 mm (2.9 in) across 11 days. This pattern of escalating precipitation culminates in May, where the region receives the highest monthly rainfall of 98 mm (3.9 in), often resulting in lush landscapes. As summer unfolds, the rainfall fluctuates before tapering off in the drier months of late summer and autumn, demonstrating a dynamic shift in Deadwood's climate throughout the year.

January Precipitation Trends in Deadwood

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

In January, Deadwood experiences a humidity level of 77%, setting the tone for a winter that leans towards the damp side. As the year progresses into February, humidity slightly increases to 80%, marking the peak of winter's moisture before a gradual decline begins. By March and April, humidity levels moderate to around 70%, reflecting the transition into spring. However, as the warmer months approach, May sees a resurgence with 76% humidity, followed by a notable spike in June and July, peaking at 84% and 85% respectively. The late summer months maintain this high humidity, but a gentle decrease follows, bringing September back to 77%, with October and November presenting milder conditions at 73% and 74%. Closing the year in December, the humidity rises again to 79%, highlighting the cyclical nature of Deadwood's climate, where winter's moisture contrasts sharply with the thick humidity of summer.

January Average Humidity in Deadwood

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

January UV Index in Deadwood

In January, Deadwood experiences a moderate UV Index of 3, translating to a burn time of around 30 minutes under direct sunlight. As the month progresses into February, the UV Index slightly rises to 4, maintaining the same exposure category. The trend shifts significantly by March, when the Index climbs to 6, marking the start of a high exposure risk with a reduced burn time of 25 minutes. This upward trajectory continues into the spring months, peaking at a staggering 9 in both April and May, where sun-seekers must be vigilant with only 15 minutes of unprotected sun exposure recommended. The summer months see an escalation, soaring to an extreme 11 in both June and July, demanding even greater care with just 10 minutes allowed for safe exposure. As summer wanes into August and September, the Index remains in the very high category but starts to ease back down, with September at 8 and a burn time of 15 minutes. By October, we return to moderate levels at 5, allowing for 30 minutes of sun, with a drop to 3 in November and 2 in December, offering some respite over the winter months. For a comprehensive look at the UV trends throughout the year, visit Deadwood UV Index.

Maximum UV Index Levels in Deadwood for January

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

January Sunshine in Deadwood

January in Deadwood, United States, offers a modest 163 hours of sunshine, setting the stage for a gradual build-up to the sunnier months ahead. As winter wanes, February shows a notable uptick with 208 hours of daylight, hinting at the promise of spring. The trend continues to strengthen through March and April, with sunshine hours reaching 257 and 276 respectively. By May, the days grow longer, boasting 302 hours, while June and July shine as the peak months, basking in 375 and 382 hours of radiant sunlight. However, as summer fades into autumn, the hours begin to decline, with August at 357, followed by a more pronounced drop in September (288 hours). The downward trend persists through the fall into winter, as the year closes with 198 hours in December. This seasonal rhythm illustrates how Deadwood transforms from a crisp, sun-dappled winter landscape into a vibrant summer oasis.

Monthly Sunshine Duration in Deadwood: January Highlighted

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

Chance of Sun in Deadwood During January

In Deadwood, United States, January brings a 50% chance of sunshine, marking it as one of the winter months with a notably fair cloud cover. This likelihood is higher than in February and December, suggesting that while winter remains in full swing, there are still opportunities for bright days. As spring approaches, the probability of sunny weather begins to rise, culminating in March with a 53% chance, while April and May offer lower rates. The shift toward summer is dramatic, with sunny days peaking at 66% in June and July, followed by a slight dip in August before stabilizing in the fall. Overall, January stands out as a month where residents and visitors alike can look forward to a blend of chilly weather and hopeful glimpses of sun.

Percentage of Sunny Days in January in Deadwood

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

Daylight Hours in Deadwood in January

In January, Deadwood, United States experiences about 9 hours of daylight, marking the beginning of a gradual increase in sunlight as the year progresses. By February, daylight extends to 10 hours, hinting at the approach of spring. This trend continues, with March seeing 11 hours and April basking in 13 hours, as the days steadily lengthen and invigorate the landscape. The peak brightness occurs in June and July, when residents enjoy a generous 15 hours of daylight each day, creating a vibrant atmosphere for outdoor activities. Following this summer zenith, daylight begins to recede into autumn, with August at 13 hours, September at 12, and a nostalgic return to 10 hours in October. The year wraps up with November and December settling back to 9 hours and 8 hours, respectively, as winter creeps in, reminding us of the cyclical nature of daylight in this charming northern town.

Average Daylight Hours in Deadwood for January

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

January Winds in Deadwood

In Deadwood, United States, the January wind brings a brisk average speed of 4.1 m/s (9 mph), setting a lively tone for the year. This moderate gustiness is notably higher than the subsequent February, which experiences a slight decline to 3.6 m/s (8 mph). As spring approaches, winds gradually pick up again, particularly in November when they reach 4.3 m/s (10 mph), hinting at a seasonal shift. The wind pattern throughout the year shows a subtle ebb and flow, with notable peaks in the colder months, suggesting that Deadwood's winters are characterized by a refreshing, invigorating breeze, ideal for those who appreciate the crisp charm of the season. Overall, the wind in January serves as a harbinger of the dynamic weather that follows, reflecting the unique climatic rhythm of the region.

Average January Wind Speed in Deadwood

The chart displays monthly wind speed patterns in Deadwood, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.1 m/s3.63.83.93.33.43.13.23.13.84.34.2
Data source: Deadwood January wind data, generated using information from the Copernicus Climate Change Service.

How January 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 January'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.

In January, temperatures tend to be colder, with a minimum of -30°C (-22°F) and an average of -3°C (26°F), while February sees a slight increase, with temperatures ranging from -29°C (-19°F) to an average of -6°C (21°F). The maximum temperature in February can reach up to 18°C (65°F), offering a milder contrast compared to January's peak of 14°C (57°F). Additionally, February experiences more precipitation, totaling 33 mm (1.3 in) over 9 days, compared to January's 22 mm (0.8 in) over 6 days. Humidity levels are also marginally higher in February at 80%, compared to January’s 77%. For more details, you can refer to Deadwood weather in February.

January and March present contrasting weather patterns, highlighting the transition from winter to early spring. In January, temperatures can dip drastically, with a minimum of -30°C (-22°F) and an average of -3°C (26°F), whereas March warms up, typically enjoying an average of 2°C (35°F) and a maximum that can reach 21°C (69°F). January experiences relatively low precipitation at 22 mm (0.8 in) over about six days, while March sees increased precipitation of 39 mm (1.5 in) spread across nine days. Additionally, humidity is higher in January at 77%, compared to a more moderate 70% in March. For those interested in a detailed overview, check out the full climatic details at Deadwood weather in March.

January weather in Deadwood is characterized by frigid temperatures, with a minimum of -30°C (-22°F) and an average of -3°C (26°F), making it one of the coldest months of the year. Precipitation is relatively low at 22 mm (0.8 in) over six days, accompanied by high humidity levels at 77%. In contrast, April marks a significant warming trend, with a minimum temperature of -18°C (0°F) and an average of 5°C (41°F). The maximum temperature can reach 26°C (79°F), and precipitation increases to 74 mm (2.9 in) over eleven days, while humidity decreases slightly to 70%. For more detailed information, you can check Deadwood weather in April.

In January, the weather is typically frigid, with temperatures plummeting as low as -30°C (-22°F) and averaging around -3°C (26°F). The month tends to be fairly dry, with only 22 mm (0.8 in) of precipitation over six days and an average humidity of 77%. In stark contrast, May experiences a significant warm-up, with temperatures ranging from a minimum of -4°C (26°F) to a balmy maximum of 31°C (88°F) and an average of 11°C (52°F). However, May brings more precipitation, totaling 98 mm (3.9 in) over 15 days, while humidity remains almost constant at 76%. For a detailed look at the weather conditions during this month, check out Deadwood weather in May.

January and June present stark contrasts in weather conditions. In January, temperatures can plummet to a minimum of -30°C (-22°F), with an average temperature around -3°C (26°F) and a maximum of 14°C (57°F). Precipitation is relatively low at 22 mm (0.8 in) over six days, accompanied by a humidity level of 77%. In contrast, June experiences a much milder climate, with minimum temperatures around 4°C (40°F), an average of 19°C (66°F), and highs reaching up to 37°C (99°F). The month sees increased precipitation totaling 65 mm (2.6 in) over 11 days and higher humidity at 84%. For more detailed information on June weather, you can visit Deadwood weather in June.

January weather presents a stark contrast to July, with temperatures in January ranging from a chilling -30°C (-22°F) to a mild max of 14°C (57°F), while July enjoys much warmer conditions, with temperatures varying from a minimum of 9°C (49°F) to a scorching maximum of 39°C (103°F). In terms of precipitation, January sees only 22 mm (0.8 in) over 6 days, compared to July's 88 mm (3.4 in) spread across 12 days, highlighting a significant increase in rainfall during the summer month. Furthermore, January features a lower humidity level at 77%, while July's humidity rises to 85%, contributing to the muggier summer atmosphere. For more details on July weather, check this link: Deadwood weather in July.

January weather is characterized by frigid temperatures, with minimums reaching a biting -30°C (-22°F) and an average of -3°C (26°F), while precipitation is relatively low at 22 mm (0.8 in) over six days. In contrast, August brings a much warmer climate, with temperatures ranging from a minimum of 5°C (42°F) to a scorching maximum of 37°C (99°F) and an average of 20°C (69°F). The precipitation during August is higher, totaling 58 mm (2.3 in) over eight days, and the humidity also rises to 84%. For more detailed insights into the August weather, visit Deadwood weather in August.

January and September offer vastly different weather experiences. In January, temperatures can plummet to a minimum of -30°C (-22°F), with an average of -3°C (26°F) and a maximum reaching only 14°C (57°F). Precipitation is relatively low at 22 mm (0.8 in) over six days, and humidity stands at a chilly 77%. In contrast, September sees a minimum temperature of -3°C (27°F) but, on average, warms up to a comfortable 16°C (61°F) and can soar to a maximum of 37°C (100°F). Precipitation increases to 43 mm (1.7 in) over seven days, while humidity remains consistent at 77%. To learn more about the weather specifics during September, check out Deadwood weather in September.

In January, the weather is marked by bitterly cold temperatures, with lows plunging to -30°C (-22°F) and an average of -3°C (26°F), while the maximum barely reaches 14°C (57°F). The month sees around 22 mm (0.8 in) of precipitation over 6 days, contributing to an overall humidity of 77%. In contrast, October presents a more varied climate, with temperatures ranging from a minimum of -21°C (-5°F) to a warm maximum of 31°C (88°F). This month experiences significantly higher precipitation at 65 mm (2.5 in) across 9 days, and while the humidity is slightly lower at 73%, the pleasant and fluctuating conditions make it a stark contrast to the frigid January weather. For a detailed look at the climate during this month, you can check Deadwood weather in October.

January and November present significantly different weather patterns, with January typically being much colder. In January, temperatures can plummet to a minimum of -30°C (-22°F), while the average temperature hovers around -3°C (26°F), peaking at 14°C (57°F). In contrast, November experiences milder temperatures, with minimums of -19°C (-2°F) and an average temperature of 3°C (37°F), reaching highs of up to 24°C (76°F). Both months see similar precipitation levels—22 mm (0.8 in) in January and 21 mm (0.8 in) in November—though January has slightly less humidity at 77% compared to November's 74%. For more details on November weather, you can check Deadwood weather in November.

In comparison to December, January experiences a slight drop in average temperatures, with January's average hovering around -3°C (26°F) versus December's -1°C (30°F). While both months share similar minimum temperatures, January's maximum temperature can reach 14°C (57°F), which is lower than December's maximum of 21°C (70°F). Precipitation is somewhat less in January, totaling 22 mm (0.8 in) over 6 days, compared to December’s 31 mm (1.2 in) across 7 days. Humidity levels remain comparable, with January at 77% and December at 79%. For more detailed information on December weather, you can check out Deadwood weather in December.

Compare Deadwood's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Deadwood

As January unfolds in Deadwood, it brings a stark contrast to the milder months that precede and follow it. With temperatures dipping to their coldest of the year, residents experience sharp chilly days and frosty nights, making it a season of cozy indoor gatherings. The higher humidity also adds to the biting cold, leading to a unique winter atmosphere that envelops the town. Additionally, despite receiving some precipitation, the overall snow cover can transform the landscape into a sparkling winter wonderland. For those who enjoy winter activities and the beauty of a frost-kissed environment, January in Deadwood is truly mesmerizing. To learn more about the seasonal shifts that shape this unique climate, visit Deadwood Climate.