Climate and monthly weather forecastPiedmont, SD
Climate and monthly weather forecast
The climate of Piedmont
Given its geographical location, Piedmont is categorised under the Dfa zone according to the Köppen climate classification. The locality displays a humid continental climate, with no dry season and hot summers. Annual temperature fluctuations occur due to this classification. With temperature highs varying between 32.5°F (0.3°C) and 84.7°F (29.3°C), the year experiences a notable thermal swing, while lows range from 17.8°F (-7.9°C) to 63.3°F (17.4°C). The year-round humidity stays relatively consistent, fluctuating slightly from 50% to 77%.Rainfall exhibits significant variability throughout the year, with amounts extending from 0.43" (11mm) to 2.28" (58mm) per month. The number of rainy days varies from a monthly average of 4.8 in December up to 17.1 in May. Remarkably, Piedmont also experiences a rather high number of snowy days, reaching a peak of 10.5 in February. There's a noticeable dip in snowfall from June to September, with no snowfall reported at all during that period.
The best time to visit Piedmont
If the goal is to enjoy clear skies and moderate weather, between May and September might stand out as the most appropriate time to visit Piedmont. During these months, both the daily sunshine hours and the ultraviolet index point to an ideal environment for outdoor activities. Tempertures vary from 63.1°F (17.3°C) to 84.7°F (29.3°C), with the humidity dropping to an annual low of 50%. The amount of rainfall is also significantly lower compared to other months, further accentuating the viability of this period for tourism.The worst time to visit Piedmont
Taking the harsh weather conditions into account, the months of December through February could be considered the least favorable time to visit Piedmont. The temperature during this period drops to a chilling range of 18°F (-7.8°C) and 33.4°F (0.8°C), making outdoor activities nearly impossible. Additionally, the humidity increases to 77% during this period. Moreover, these months witness the highest amount of snowfall, ranging from 2.4" (61mm) in December to 4.25" (108mm) in February, further hindering travel and exploration.Spring weather in Piedmont
Spring in Piedmont, which includes the months of March, April and May, brings a rise in temperatures and an increased amount of rain. This season demonstrates an upward trend in temperatures, starting from an average high temperature of 45.5°F (7.5°C) in March and soaring to 63.1°F (17.3°C) by May. Meanwhile, low temperatures progress from 28.8°F (-1.8°C) to 45.3°F (7.4°C). The region also undergoes considerable rainfall during this time, reaching up to 2.28" (58mm) in May. On brighter note, daylight hours increase, providing ample light for outdoor activities.Summer weather in Piedmont
Summers in Piedmont, from June to August, bring along the hottest temperatures of the year. High temperatures go up to 84.7°F (29.3°C) in July while low temperatures touch 63.3°F (17.4°C). Despite the heat, the relative humidity falls to a comfortable 50% in August. Rainfall is a bit lower than the spring season, providing a respite from potential showers. There's also a significant increase in daily sunshine hours, reaching a peak of 15.5 hours in June, making it an ideal time for outdoor activities.Autumn weather in Piedmont
During the autumn months which span from September through November, a gradual decrease in temperature is observed in Piedmont. High temperatures navigate from 73.9°F (23.3°C) in September to 45.1°F (7.3°C) by November, while thermal lows register a similar downward trajectory, changing from 54°F (12.2°C) to 29.1°F (-1.6°C). While rainfall does decline from summer to autumn, the number of sunshine hours dwindles rapidly, with only 9.6 hours of daylight in November.Winter weather in Piedmont
Winter in Piedmont, from December till February, is marked by chilling temperatures, elevated levels of relative humidity and consistent snowfall. Temperature highs fall to 32.7°F (0.4°C) in December, further dipping to 32.5°F (0.3°C) by February. Low temperatures hover around 18°F (-7.8°C) in both December and February. Snowfall in the region is prevalent, with a steep increase to 4.25" (108mm) in February. Sunshine hours hit their lowest during this season, reaching a minimal 8.9 hours in December. This combination of factors emphasizes Piedmont's harsh and frigid winter environment.Weather in January
Piedmont, South Dakota, witnesses a frigid kick-off to the year, with January weather showcasing sizeable snowfall. Environmental factors contribute to a significant increase in relative humidity compelling more snowfall, about up to 4.25" (108mm), with approximately 10.5 days of snowfall. Weather in January »Weather in February
Following January, Piedmont experiences another frosty month. February's weather patterns show a decrease in snowfall, down to 4.21" (107mm), that betokens the forthcoming spring season. The slight rise in temperature from the previous month characterized by chilly, yet less severe winds, ushers in a period of transitional weather. Weather in February »Weather in March
As Piedmont transitions into spring, March brings an end to the winter chill. With the snowfall diminishing astonishingly to 1.46" (37mm) in the course of 5.3 days, the landscape begins a transformation. As temperatures escalate, daylight hours surge, and relative humidity goes on a declining spree. Weather in March »Weather in April
April witnesses a vital shift in weather patterns within Piedmont. The maximum recorded wind speed is about 11.2mph (18km/h), marking a significant milestone in the shift towards warmer months. The arrival of increased sunlight hours per day and further ascension in temperatures show a tangible onset of the summer season. Weather in April »Weather in May
May in Piedmont marks the true arrival of warmer temperatures and late spring weather. Among the distinguishing characteristics is the perceived end of snowfall, along with a relative humidity decrease. A gentle transition from brisk spring to the heat of summer is evident in the city from here. Weather in May »Weather in June
In June, weather fluctuations in Piedmont tend towards a sultry summer atmosphere. June sees a record-high UV index of 6, indicative of the year's progression towards its warmest period. With the end of spring and onset of summer, increases in sunshine hours and daylight, along with diminishing cloud coverage, make it a distinguishable month. Weather in June »Weather in July
July marks the zenith of summer in Piedmont with unequivocally the highest temperatures. The ascension in temperature is matched by the UV index, again topping the chart at 6. July's weather is recognized by its persistent warm conditions, elongated daylight durations, and high sunshine hours. Weather in July »Weather in August
August brings slightly lowered temperatures but continues to carry the summer's warmth in the city of Piedmont. Severe weather conditions are anticipated due to the month's highest average temperature. This period plays a crucial role in maintaining the seasonal cycle, preparing for the forthcoming fall season. Weather in August »Weather in September
September in Piedmont signals the gradual shift into fall as temperatures begin to decrease. A unique weather pattern of this month is the re-emergence of snowfall, albeit at a minimal 0.12" (3mm). With the autumnal equinox marking the arrival of fall, cooler winds and shortened daylight hours become the new climate norm. Weather in September »Weather in October
October ushers in true autumn weather in Piedmont, with falling temperatures and regular rainfall. The fresh weather pattern brings wind speed back to 10.1mph (16.3km/h), allowing for a more mellow environment onset. The dip in temperatures, together with shorter days and diminishing sunlight hours, mark the city's progression into the colder season. Weather in October »Weather in November
November in Piedmont marks the final transition from autumn to the initial stages of winter, with the weather becoming even colder. A significant increase in snowfall to 2.4" (61mm) in around 5.6 days clearly indicates the wintry season's arrival. Weather in November »Weather in December
December shadows November, completing the weather cycle in Piedmont with intensified cold and snowy conditions. More snowfall can be expected in December with 2.64" (67mm) in approximately 8.1 days. With reduced daylight hours and lowest UV index, it exemplifies the quintessential winter weather. Weather in December »Updated: Aug 24, 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
With an average relative humidity of 77%, January is the most humid month.
The month with the least rainfall is January, when the rain falls for 5.3 days and typically collects 0.43" (11mm) of precipitation.
Throughout the year, in Piedmont, there are 118.8 rainfall days, and 15.39" (391mm) of precipitation is accumulated.
Months with snowfall are January through May, September through December.
In Piedmont, during the entire year, snow falls for 50.4 days and aggregates up to 24.41" (620mm) of snow.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
With an average of 5.9h of sunshine, February has the least sunshine of the year.
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.
The month with the most snowfall in Piedmont is April, when snow falls for 5.3 days and typically aggregates up to 5.43" (138mm) of snow.
The month with the most rainfall is May, when the rain falls for 17.1 days and typically aggregates up to 2.28" (58mm) of precipitation.
In Piedmont, snow does not fall in June through August.
The month with the longest days is June, with an average of 15h and 30min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
July, marked by an average high-temperature of 84.7°F (29.3°C) and a low-temperature of 63.3°F (17.4°C), is the warmest month.
The months with the lowest humidity are August and September, with an average relative humidity of 50%.
The month with the most sunshine is August, with an average of 11.8h of sunshine.
December, with its average high-temperature of 32.5°F (0.3°C) and an average low-temperature of 18.7°F (-7.4°C), holds the record as the coldest month.
December has the shortest days of the year, with an average of 8h and 54min of daylight.
Average temperature
Piedmont, SD
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.5°F).
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure
Piedmont, 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:
29.93"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:
30.13"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
Piedmont, SD
- Average wind speed in January:
9mph - Average wind speed in February:
9mph - Average wind speed in March:
9.5mph - Average wind speed in April:
10.3mph - Average wind speed in May:
9.8mph - Average wind speed in June:
9.2mph
- Average wind speed in July:
8.4mph - Average wind speed in August:
8.2mph - Average wind speed in September:
9.1mph - Average wind speed in October:
10.1mph - Average wind speed in November:
9.2mph - Average wind speed in December:
8.9mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity
Piedmont, SD
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (50%).
Average rainfall
Piedmont, SD
- Average rainfall in January:
0.43" - Average rainfall in February:
0.67" - Average rainfall in March:
1.14" - Average rainfall in April:
2.24" - Average rainfall in May:
2.28" - Average rainfall in June:
1.73"
- Average rainfall in July:
2.05" - Average rainfall in August:
1.5" - Average rainfall in September:
0.94" - Average rainfall in October:
1.14" - Average rainfall in November:
0.63" - Average rainfall in December:
0.63"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days
Piedmont, SD
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
9.4 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
14 days
- Average rainfall days in July:
13.5 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
7.8 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
5.9 days - Average rainfall days in December:
4.8 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is December (4.8 days).
Average snowfall
Piedmont, SD
- Average snowfall in January:
2.4" - Average snowfall in February:
4.25" - Average snowfall in March:
4.21" - Average snowfall in April:
5.43" - Average snowfall in May:
1.46" - Average snowfall in June:
0"
The month with the highest snowfall is April (5.43").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Piedmont, SD
- Average snowfall days in January:
9.4 days - Average snowfall days in February:
10.5 days - Average snowfall days in March:
7.5 days - Average snowfall days in April:
5.3 days - Average snowfall days in May:
1.3 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:
0.1 days - Average snowfall days in October:
2.6 days - Average snowfall days in November:
5.6 days - Average snowfall days in December:
8.1 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Piedmont, SD
- Average daylight in January:
9h and 18min - 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 30min
- Average daylight in July:
15h and 6min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
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 12min - Average sunshine in February:
5h and 54min - Average sunshine in March:
7h and 42min - Average sunshine in April:
9h and 24min - Average sunshine in May:
10h and 6min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 48min - Average sunshine in September:
10h and 24min - Average sunshine in October:
7h and 18min - Average sunshine in November:
6h and 36min - Average sunshine in December:
6h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days
Piedmont, SD
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
11 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
14.5 days - Average sunshine days in September:
19.9 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
19.6 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11 days).
Average UV index
Piedmont, SD
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Piedmont, SD
The months with the most cloud cover are February and April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility
Piedmont, 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).
