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Contents
- The climate of Deadwood
- The best time to visit Deadwood
- The worst time to visit Deadwood
- Spring weather in Deadwood
- Summer weather in Deadwood
- Autumn weather in Deadwood
- Winter weather in Deadwood
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The warm setting sun has its rays spread over the scenic landscape in the colorful town of Deadwood, South Dakota
The climate of Deadwood
Deadwood, located in South Dakota, USA, finds itself nestled amidst the climate zone identified as Dfb under Köppen climate classification. This classification implies the location experiences a humid continental climate, complete with no dry season and warm, vibrant summers. An examination of climate data reveals that Deadwood's weather sees drastic swings throughout the year.
The city experiences an extensive range of temperatures from a chilling low of 15.4°F (-9.2°C) in the month of February to an peak of 81.9°F (27.7°C) in July. Humidity levels vary with relatively minor fluctuations, the lowest being 51% observed in the months of August and September and the highest, 79%, found in the winter months of January and February. In correlation with the rainfall, humidity tends to increase, hitting a peak in the rainiest months of February, May, and June, which record rainfall peaks from 1.69" (43mm) to 1.93" (49mm).
A unique pattern emerges when analyzing the sunlight data, with the city having the most sunshine hours during July and August, both standing at 11.7 hours. Interestingly, compared to other cities with a Dfb climate classification, Deadwood sees a relatively lower number of snowfall days, the maximum being 11.7 days in January.
The city experiences an extensive range of temperatures from a chilling low of 15.4°F (-9.2°C) in the month of February to an peak of 81.9°F (27.7°C) in July. Humidity levels vary with relatively minor fluctuations, the lowest being 51% observed in the months of August and September and the highest, 79%, found in the winter months of January and February. In correlation with the rainfall, humidity tends to increase, hitting a peak in the rainiest months of February, May, and June, which record rainfall peaks from 1.69" (43mm) to 1.93" (49mm).
A unique pattern emerges when analyzing the sunlight data, with the city having the most sunshine hours during July and August, both standing at 11.7 hours. Interestingly, compared to other cities with a Dfb climate classification, Deadwood sees a relatively lower number of snowfall days, the maximum being 11.7 days in January.
The best time to visit Deadwood
The best time for visiting Deadwood would undoubtedly be in the delightfully warm months of June, July, and August. During this time, the temperatures range from a comfortable 73.2°F (22.9°C) to 81.9°F (27.7°C). These months are also marked by long days, which allows ample daylight for exploration, with daylight hours peaking at 15.5 hours in June. Alongside the longest days, the humidity also lowers to a manageable 53% to 51%, ensuring a pleasant and comfortable stay.
The worst time to visit Deadwood
Consider January and February as the least appealing for a visit. These months can be extremely frigid with temperatures peaking at a low 30.6°F (-0.8°C) and dropping to as low as 15.4°F (-9.2°C). During these months, the city experiences up to 11 snowfall days while daylight dwindles to approximately only 9 hours. These factors combined make these months the least favorable for visiting Deadwood.
Spring weather in Deadwood
Spring weather in Deadwood sees a gradual increase in temperature. The temperatures rise from a mild 30.4°F (-0.9°C) in March to a more comfortable 49.6°F (9.8°C) in April, eventually reaching a pleasant 60.4°F (15.8°C) by May. Daylight gradually increases, affording longer days starting with 12 hours in March and escalating up to 14.8 hours by May.
Summer weather in Deadwood
Summer in Deadwood brings about warm conditions with average temperatures hovering from 73.2°F (22.9°C) to 80.1°F (26.7°C) between June to August. This period also witnesses the longest days with daylight hours ranging from 15.1 hours in July and 14 hours in August. Humidity falls to its annual low during these warmer months, making it suitable for outdoor activities.
Autumn weather in Deadwood
Autumn witnesses a gradual decrease in temperature, with the conditions in September standing at 71.8°F (22.1°C) falling to a chillier 41.9°F (5.5°C) by November. The daylight hours correspondingly decrease, thereby reducing from 12.5 hours in September to only 9.6 hours by November.
Winter weather in Deadwood
Winter in Deadwood invites harsh conditions characterized by icy temperatures falling to as low as 16.7°F (-8.5°C) in December. The short daylight hours of 9 hours in January and a high number of snowfall days peaking at 11.7 in January further contribute to the challenging winter weather. High humidity levels during these months add to the wintry discomfort as it reaches up to 79% in January.
Weather in January
Winter firmly takes hold in January in Deadwood, South Dakota, as temperatures generally stay below freezing. It is colder than December, with low temperatures averaging 17.1°F (-8.3°C). Even at its warmest, daytime temperatures struggle to rise above the freezing point. Weather in January »
Weather in February
February remains cold in the city, and the weather conditions reflect the continuing winter season. Gradually, the city sees an increase in daytime temperature to a slightly milder 30.4°F (-0.9°C) but bear in mind, the nights remain extremely cold. Weather in February »
Weather in March
The arrival of March marks the transition from winter to spring in Deadwood. The temperatures gradually increase from the chilling winter low with averages now touching 42.4°F (5.8°C), thus making the weather slightly more tolerable than the preceding months. Weather in March »
Weather in April
April in Deadwood, South Dakota, sees significant weather changes. The snow melts away as the town registers an increase in temperatures with highs climbing up to 49.6°F (9.8°C). It also brings more rainfall than the previous months, signaling the onset of spring. Weather in April »
Weather in May
May brings a breath of fresh air in Deadwood, offering warmer temperatures and bright sunshine. The days get longer, the trees start to blossom, and the city enjoys average high temperatures of around 60.4°F (15.8°C). However, the higher temperatures also bring a greater likelihood of rainfall. Weather in May »
Weather in June
June witnesses the full swing of summer in Deadwood. Relative humidity drops to 61%, making it one of the less humid months of the year. While the city gets a good amount of sunshine, rainfall is also prevalent, particularly in the afternoons. Weather in June »
Weather in July
July is the warmest month in Deadwood, where the city experiences a peak high temperature averaging around 81.9°F (27.7°C). The frequency of rainfall decreases, although isolated showers or storms can occur. With an average UV index of 6, it is essential to protect from sunburn, particularly during midday, when the sun is at its strongest. Weather in July »
Weather in August
August continues the pleasant summer weather trend in Deadwood. Despite a slight drop in average temperatures from last month’s high, it still registers a cozy average high temperature of 80.1°F (26.7°C). It offers the perfect balance of warm and comfortable weather for outdoor activities. Weather in August »
Weather in September
September marks the arrival of autumn in Deadwood. The average high temperature drops to a comfortable 71.8°F (22.1°C), indicating a transition from summer to cooler fall weather. The decrease in temperature also leads to an increase in relative humidity. Weather in September »
Weather in October
In October, temperatures in Deadwood continue on the downward trend, signaling the approach of winter. The foliage colors peak during this time, providing a beautiful contrast against the blue skies. The weather largely remains dry with less frequent rainfall, allowing people to enjoy the autumn season fully. Weather in October »
Weather in November
November marks the onset of winter in Deadwood with the average high temperature dropping to 41.9°F (5.5°C). As the month progresses, the weather significantly cools down. The city begins to see more frequent snowfalls, painting the town white again. Weather in November »
Weather in December
December is the arrival of full-fledged winter in Deadwood, with the coldest average high temperature of 29.7°F (-1.3°C) for the year. It is a good time to enjoy winter activities, especially if one is an enthusiast of winter sports. Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month in Deadwood?
The months with the highest humidity in Deadwood are January and February, with an average relative humidity of 79%.
What is the driest month in Deadwood?
January is the month with the least rainfall. Rain falls for 3.7 days and accumulates 0.55" (14mm) of precipitation.
How much does it rain in Deadwood?
In Deadwood, during the entire year, the rain falls for 96.1 days and collects up to 14.02" (356mm) of precipitation.
When does it snow in Deadwood?
Months with snowfall in Deadwood are January through June, September through December.
How much does it snow in Deadwood?
Throughout the year, in Deadwood, there are 66.6 snowfall days, and 34.53" (877mm) of snow is accumulated.
When is the lowest UV index in Deadwood?
The months with the lowest UV index in Deadwood are January through March, October through December, with an average maximum UV index of 2.
What is the month with the least sunshine in Deadwood?
With an average of 5.9h of sunshine, February has the least sunshine of the year in Deadwood, South Dakota.
When is Daylight Saving Time (DST) in Deadwood?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
What is the snowiest month in Deadwood?
April is the month with the most snowfall in Deadwood. Snow falls for 7.8 days and accumulates 6.54" (166mm) of snow.
What is the wettest month in Deadwood?
The month with the most rainfall in Deadwood is May, when the rain falls for 13.5 days and typically aggregates up to 1.93" (49mm) of precipitation.
When are the longest days in Deadwood?
June has the longest days of the year, with an average of 15h and 30min of daylight.
What part of the year is the hottest in Deadwood?
In Deadwood, July is known for its average highest temperatures, reaching a high of 81.9°F (27.7°C) and a low of 60.4°F (15.8°C).
When it does not snow in Deadwood?
In Deadwood, snow does not fall in July and August.
When is the highest UV index in Deadwood?
The month with the highest UV index is July, with an average maximum UV index of 6.
What is the least humid month in Deadwood?
August and September, with an average relative humidity of 51%, are the least humid months.
What month has the most sunshine in Deadwood?
The month with the most sunshine is August, with an average of 11.7h of sunshine.
What part of the year is the coldest in Deadwood?
December is the coldest month in Deadwood, South Dakota, with the temperature often reaching an average high of 29.7°F (-1.3°C) and an average low of 16.7°F (-8.5°C).
What is the month with the shortest days in Deadwood?
With an average of 8h and 54min of daylight, December has the shortest days of the year.
Average temperature
Deadwood, SD
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (29.7°F).
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (15.4°F).
Average pressure
Deadwood, SD
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.84"Hg
- Average pressure in July:
29.89"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Deadwood, SD
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.1mph - Average wind speed in March:
9.1mph - Average wind speed in April:
9.6mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8.7mph
- Average wind speed in July:
7.8mph - Average wind speed in August:
7.6mph - Average wind speed in September:
8.5mph - Average wind speed in October:
9.9mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.5mph
The windiest month (with the highest average wind speed) is October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).
Average humidity
Deadwood, SD
The months with the highest relative humidity are January and February (79%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall
Deadwood, SD
- Average rainfall in January:
0.55" - Average rainfall in February:
0.71" - Average rainfall in March:
1.06" - Average rainfall in April:
1.61" - Average rainfall in May:
1.93" - Average rainfall in June:
1.77"
- Average rainfall in July:
1.69" - Average rainfall in August:
1.5" - Average rainfall in September:
0.67" - Average rainfall in October:
1.22" - Average rainfall in November:
0.63" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days
Deadwood, SD
- Average rainfall days in January:
3.7 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
7.4 days - Average rainfall days in April:
10.1 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
11 days - Average rainfall days in August:
12.2 days - Average rainfall days in September:
6.8 days - Average rainfall days in October:
6.5 days - Average rainfall days in November:
2.7 days - Average rainfall days in December:
4.2 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is November (2.7 days).
Average snowfall
Deadwood, SD
- Average snowfall in January:
2.87" - Average snowfall in February:
4.49" - Average snowfall in March:
5" - Average snowfall in April:
6.54" - Average snowfall in May:
4.69" - Average snowfall in June:
0.12"
The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").
Average snowfall days
Deadwood, SD
- Average snowfall days in January:
11.7 days - Average snowfall days in February:
11.1 days - Average snowfall days in March:
10 days - Average snowfall days in April:
7.8 days - Average snowfall days in May:
3.6 days - Average snowfall days in June:
0.2 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.3 days - Average snowfall days in October:
4.7 days - Average snowfall days in November:
7.1 days - Average snowfall days in December:
10.1 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Deadwood, SD
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 3min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
6h and 0min - Average sunshine in February:
5h and 5min - Average sunshine in March:
7h and 4min - Average sunshine in April:
9h and 2min - Average sunshine in May:
10h and 1min - Average sunshine in June:
11h and 2min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 4min - Average sunshine in September:
10h and 3min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 3min - Average sunshine in December:
6h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days
Deadwood, SD
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
15.7 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
14.5 days - Average sunshine days in August:
13.2 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index
Deadwood, SD
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Deadwood, SD
The months with the most cloud cover are February and April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility
Deadwood, SD
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Deadwood, South Dakota, USA
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