Climate and monthly weather forecastHill City, SD
Climate and monthly weather forecast
The climate of Hill City
Located in South Dakota, USA, Hill City experiences a Dfb climate according to the Köppen climate classification. This climate type means that it is a humid continental locality with no dry season but acquires warm summers.Observed throughout the year, Hill City's climatological parameters prove to be diverse. High temperatures range from 29.8°F (-1.2°C) in December to the peak of 81.7°F (27.6°C) in July. Mainwhile, low temperatures reach their lowest at 16.5°F (-8.6°C) in December and rise to 60.4°F (15.8°C) during July. Relative humidity notably descends from January's 77% to a 52% low between July and September. Rainfall jumps its minimum of 0.47" (12mm) in January to 3.19" (81mm) in June, with rainfall days peaking at 18.6 days in May.
Snowfall in Hill City is another noteworthy climate feature - it accumulates from 0" (0mm) between June and September, up to 7.24" (184mm) in April. The highest snowfall days are encountered in February, with 12.9 days. Meanwhile, daylight hours increase from 9 hours in December and January to 15.4 hours in June. Sunshine hours follow a similar trend, elevating from 6.2 hours in December to 11.7 hours in August. This illumination plays out over an increased number of sunshine days from 7.8 days in May to 19.2 days in November.
The best time to visit Hill City
For visitors inclined to bask in the most favorable weather conditions, the best time to tour Hill City would be between June and September. Highest average temperatures during these months range from 71.4°F (21.9°C) to 81.7°F (27.6°C), offering plenty of warm sunny days for outdoor activities. Relative humidity stays at the lower end of the scale between 52% and 60%, complementing the enjoyable temperatures. Rainfall is also less severe during this period, tapering off to 1.22" (31mm) by September.The worst time to visit Hill City
Based on the climate data, the least desirable time to visit Hill City would be between December and February. With high temperatures fluctuating from 29.8°F (-1.2°C) to 31.5°F (-0.3°C) and lows plunging to 16.5°F (-8.6°C) in December, the city can be uncomfortably cold for travelers not used to such frigid temperatures. Snowfall during these months rises to as high as 5.71" (145mm) in February, potentially resulting in tricky travel conditions.Spring weather in Hill City
Spring in Hill City, from March to May, witnesses a gradual increase in temperatures. Highs rise from 43.9°F (6.6°C) to 61°F (16.1°C), while lows elevate from 26.4°F (-3.1°C) to 42.4°F (5.8°C). Rainfall also increases over the season, with May observing the heaviest average precipitation at 3.11" (79mm). Corresponding rainfall days climb to a peak of 18.6 days, indicating fairly consistent rainfall through the spring months. These months also see a decline in snowfall, dropping from 6.97" (177mm) in March to just 4.09" (104mm) in May.Summer weather in Hill City
From June through August, Hill City experiences the warmest temperatures. Highs escalate from 74.1°F (23.4°C) in June to reach an annual apex of 81.7°F (27.6°C) in July. Correspondingly, the lowest temperatures ascend from 53.2°F (11.8°C) to 60.4°F (15.8°C). Despite the hot temperatures, relative humidity decreases to a year-round base of 52% in July and August. Moreover, rainfall decreases after June's cap of 3.19" (81mm) to 2.56" (65mm) by August.Autumn weather in Hill City
Autumn months, from September to November, witness Hill City's temperatures plunge from 71.4°F (21.9°C) to 42.3°F (5.7°C) for the highest and from 51.1°F (10.6°C) to 25.9°F (-3.4°C) for the lowest. Rainfall declines to 0.63" (16mm) by November, marking autumn as the second driest period of the year. Snowfall begins to occur again in November, with the metropolitan area observing an average of 4.09" (104mm).Winter weather in Hill City
In the winter months, from December to February, Hill City becomes notably colder with maximum temperatures degrading from 42.3°F (5.7°C) to 29.8°F (-1.2°C). Minimum temperatures drop simultaneously from 25.9°F (-3.4°C) to 16.5°F (-8.6°C), making it the coldest period of the year. This season also sees an uptick in snowfall, peaking at 5.71" (145mm) in February. The number of days with snowfall maximizes at 12.9 days in February, underlining the substantial snow presence during winter.Weather in January
In Hill City, South Dakota, January brings with it the chill of winter, a season marked by snow-covered landscapes and frigid temperatures. Characterized by frosty mornings and chilly afternoons, January observes the coldest monthly temperatures of the year, with the thermometer reading dropping to as low as 17.1°F (-8.3°C), and at most reaching 31.1°F (-0.5°C). Weather in January »Weather in February
With the onset of February, Hill City witnesses growing daylight hours and higher humidity levels, albeit the lingering winter chill persists. Not differing considerably from January in terms of temperature, February nonetheless records a noteworthy 5.71" (145mm) of snowfall. Weather in February »Weather in March
March ushers in transitional weather in Hill City, South Dakota; moving from freezing conditions to signals of an impending spring. The month marks a considerable yearly peak in snowfall with 6.97" (177mm) recorded on the ground, though snowfall days reduce to 11.3. Weather in March »Weather in April
Witness to transformative weather conditions, April in Hill City sees the definite arrival of spring. The most distinguishing characteristic of this month is the significant escalation of rainfall to 2.32" (59mm). The temperature starts to climb, leaving behind the sub-freezing conditions of the winter months. Weather in April »Weather in May
As Hill City enters the month of May, there are clear indications of the warmer months ahead. Anyone venturing outdoors would find a stark shift from the wet conditions of April, with the most significant monthly rainfall of the year measuring at 3.11" (79mm). Weather in May »Weather in June
June in Hill City brings with it the arrival of summer, characterized by longer days, warmer temperatures, and ample sunshine. Interestingly, this month yields the second highest rainfall of the year measuring up to 3.19" (81mm). Notwithstanding such precipitations, the cloud cover decreases, leading to expansive azure skies. Weather in June »Weather in July
The month of July stands as the quintessential summer month in Hill City in terms of temperature, with the mercury rising to a peak of 81.7°F (27.6°C). Coupled with the mounting heat is the lowest humidity of the year, which hovers around 54%. Weather in July »Weather in August
August witnesses the continuation of the summer season in Hill City, playing host to warm afternoons and soothing breezy evenings. Although August registers a slight dip in temperature from July, the weather remains largely clear and dry, with only 2.56" (65mm) of rainfall recorded. Weather in August »Weather in September
In Hill City, there is a noticeable shift in the atmospheric conditions as September arrives, marking the onset of autumn. In comparison to the summer months of July and August, the amount of rainfall reduces significantly to 1.22" (31mm). Weather in September »Weather in October
October in Hill City is centered on the all-encompassing change in weather pattern. The precipitation levels continue to show a declining trend from previous months, with recorded rainfall of 1.14" (29mm). As the month progresses, the foliage sets the cityscape ablaze with vivid fall colors, a sight made even more dramatic against the backdrop of increasingly cloudy skies. Weather in October »Weather in November
November ushers in a colder time of the year in Hill City with frosty mornings and a markedly lower temperature. Signifying the approach of winter, the month showcases a relatively smaller amount of precipitation with 0.63" (16mm) of rainfall recorded. Weather in November »Weather in December
Experiencing the height of winter, December in Hill City, South Dakota is characterized by snow-covered landscapes and sub-zero temperatures. A significant detail of this month is the 4.57" (116mm) of snow that marks the cityscape. Weather in December »Updated: Jul 10, 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
January and February, with an average relative humidity of 77%, are most humid months.
The month with the least rainfall is January, when the rain falls for 6.2 days and typically collects 0.47" (12mm) of precipitation.
Throughout the year, there are 135.4 rainfall days, and 20.39" (518mm) of precipitation is accumulated.
Months with snowfall are January through May, September through December.
In Hill City, during the entire year, snow falls for 75.1 days and aggregates up to 40.24" (1022mm) of snow.
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the least sunshine is February, with an average of 6h of sunshine.
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.
April is the month with the most snowfall. Snow falls for 8.8 days and accumulates 7.24" (184mm) of snow.
The month with the most rainfall is June, when the rain falls for 18 days and typically aggregates up to 3.19" (81mm) of precipitation.
In Hill City, snow does not fall in June through August.
June has the longest days of the year, with an average of 15h and 24min of daylight.
July is the warmest month, exhibiting average temperatures of 81.7°F (27.6°C) at the peak and 60.4°F (15.8°C) at the base.
The month with the highest UV index is July, with an average maximum UV index of 6.
The months with the lowest humidity are August and September, with an average relative humidity of 52%.
The month with the most sunshine is August, with an average of 11.7h of sunshine.
The month of December, characterized by an average high of 29.8°F (-1.2°C) and a low of 16.5°F (-8.6°C), is recognized as the coldest.
The month with the shortest days is December, with an average of 9h and 0min of daylight.
Average temperature
Hill City, SD
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (29.8°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 (16.2°F).
Average pressure
Hill City, SD
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30"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:
29.9"Hg - Average pressure in August:
29.9"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:
30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Hill City, SD
- Average wind speed in January:
9.2mph - Average wind speed in February:
8.8mph - Average wind speed in March:
8.8mph - Average wind speed in April:
9.5mph - Average wind speed in May:
8.9mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.1mph - Average wind speed in November:
8.6mph - Average wind speed in December:
8.9mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity
Hill City, SD
The months with the highest relative humidity are January and February (77%).
The months with the lowest relative humidity are August and September (52%).
Average rainfall
Hill City, SD
- Average rainfall in January:
0.47" - Average rainfall in February:
0.83" - Average rainfall in March:
1.34" - Average rainfall in April:
2.32" - Average rainfall in May:
3.11" - Average rainfall in June:
3.19"
- Average rainfall in July:
2.91" - Average rainfall in August:
2.56" - Average rainfall in September:
1.22" - Average rainfall in October:
1.14" - Average rainfall in November:
0.63" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days
Hill City, SD
- Average rainfall days in January:
6.2 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
18.6 days - Average rainfall days in June:
18 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
10 days - Average rainfall days in October:
9 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
6.3 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (4.5 days).
Average snowfall
Hill City, SD
- Average snowfall in January:
3.54" - Average snowfall in February:
5.71" - Average snowfall in March:
6.97" - Average snowfall in April:
7.24" - Average snowfall in May:
4.09" - Average snowfall in June:
0"
The month with the highest snowfall is April (7.24").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Hill City, SD
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
12.9 days - Average snowfall days in March:
11.3 days - Average snowfall days in April:
8.8 days - Average snowfall days in May:
3.4 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.4 days - Average snowfall days in October:
5.3 days - Average snowfall days in November:
9.2 days - Average snowfall days in December:
11.5 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Hill City, SD
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
6h and 18min - Average sunshine in February:
6h and 0min - Average sunshine in March:
7h and 54min - Average sunshine in April:
9h and 30min - Average sunshine in May:
10h and 6min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
11h and 36min - Average sunshine in August:
11h and 42min - Average sunshine in September:
10h and 30min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 36min - Average sunshine in December:
6h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days
Hill City, SD
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
9.8 days - Average sunshine days in May:
7.8 days - Average sunshine days in June:
7.9 days
- Average sunshine days in July:
8.6 days - Average sunshine days in August:
9.9 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
19.2 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (7.8 days).
Average UV index
Hill City, 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
Hill City, SD
The month with the most cloud cover is April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility
Hill City, SD
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
