Climate and monthly weather forecastDell Rapids, SD
Climate and monthly weather forecast
The climate of Dell Rapids
Dell Rapids, South Dakota, USA, lies within the Dfa category of the Köppen climate classification, commonly denoted as a humid continental climate with no dry season and moderately hot summer. Reflecting this classification, the weather displays a wide span of temperatures throughout the year, with cold winters and warm summers.Moving sequentially through the year, the highest average monthly high temperatures, ranging from 76.6°F (24.8°C) to 81.9°F (27.7°C), occur from June to August. This is in stark contrast to the coldest months, December to February, showing average low temperatures from 8.2°F (-13.2°C) to 14.9°F (-9.5°C). Humidity follows its own annual cycle, with the air most saturated from December to February and during July, carrying relative humidity values around 85% to 89%.
Rainfall in Dell Rapids varies from month to month, reaching its peak during June with an average of 3.27" (83mm), while February sees the least precipitation, averaging just 0.71" (18mm). This difference in precipitation output aligns with the number of rainfall days, which measures 17.4 days in June and only 2.8 days in February. Snowfall, however, reaches its highest levels at the start and towards the end of the year, accumulating up to 4.29" (109mm) in February and 4.17" (106mm) in December.
Daylight hours and sunshine duration follow the expected annual pattern, extending from a minimum of 9 hours in December to a maximum of 15.4 hours in June. Wind speeds in Dell Rapids remain fairly constant throughout the year, averaging between 8.2mph (13.2km/h) to 11.4mph (18.3km/h), with the highest gusts of up to 17.6mph (28.3km/h) occurring in January.
The best time to visit Dell Rapids
For those interested in warmer temperatures and milder conditions, the best time to visit Dell Rapids would be in summer, particularly between June to August. During this period, average high temperatures range from 76.6°F (24.8°C) to 81.9°F (27.7°C), daylight extends up to 15.4 hours, and levels of sunshine peak at 10.7 hours in July.The worst time to visit Dell Rapids
Winter brings challenging weather to Dell Rapids. From December to February, average low temperatures plunge to between 8.2°F (-13.2°C) and 14.9°F (-9.5°C), and snowfall averages from 2.91" (74mm) to 4.29" (109mm). The reduced visibility due to snowfall, combined with the shorter daylight hours of 9 to 9.4 hours and the enhanced wind chill because of frequent gusts, may prove inhospitable for outdoor activities during this season.Spring weather in Dell Rapids
Spring in Dell Rapids, occurring from March to May, is marked by an upward shift in temperatures. Average high temperatures increase steadily from 41.5°F (5.3°C) to 66.7°F (19.3°C), while low temperatures rise from 27°F (-2.8°C) to 48.9°F (9.4°C). Rainfall also increases throughout the season, with the month of May receiving an average of 2.8" (71mm) of rain over 15.6 days.Summer weather in Dell Rapids
Summer, from June to August, brings the warmest conditions in Dell Rapids. Average high temperatures peak at 81.9°F (27.7°C) in July, while lows are at 62.2°F (16.8°C). Despite this, humidity remains quite high, averaging around 75%, and the month of June sees the highest amount of rainfall of 3.27" (83mm).Autumn weather in Dell Rapids
Dell Rapids enters its autumn season with a decrease in average high temperatures, dropping from 73.2°F (22.9°C) in September to 42.3°F (5.7°C) in November. Average low temperatures follow a similar trend, falling from 52.9°F (11.6°C) to 28°F (-2.2°C). Rainfall, however, decreases steadily throughout the season, with an average of 1.73" (44mm) in September dropping to 0.71" (18mm) by November.Winter weather in Dell Rapids
Winter in Dell Rapids, running from December to February, presents the coldest conditions. Average high temperatures fall to between 22.3°F (-5.4°C) and 26.4°F (-3.1°C), with average lows dropping between 8.2°F (-13.2°C) and 14.9°F (-9.5°C). Snowfall is also notable during these months, accumulating up to 4.29" (109mm) in February and 4.17" (106mm) in December. Despite these chilly conditions, average wind speeds remain fairly constant, sitting between 10.3mph (16.6km/h) to 10.6mph (17.1km/h), with gusts up to 17mph (27.4km/h).Weather in January
January in Dell Rapids, South Dakota is often characterized by its chilly conditions. It tends to be the coldest month of the year with the lowest average temperature resting at a frosty 8.2°F (-13.2°C). Snowfall is also a common occurrence during this month, lending a characteristic white blanket to the city's landscape. Weather in January »Weather in February
The conditions in Dell Rapids, South Dakota do not change drastically moving into February. The city continues to experience cold temperatures, although there's a slight increase compared to January. Snow remains a common sight during February, with the city usually still covered under a thick white blanket from January's snowfall. Weather in February »Weather in March
With the arrival of March, Dell Rapids, South Dakota begins to thaw out. Temperatures slowly start to climb, indicating the city's transition from winter to spring. This month is notably warmer, with an average high temperature of 41.5°F (5.3°C), a considerable shift from February. Weather in March »Weather in April
April exhibits distinct spring features in Dell Rapids, South Dakota. The month comes with warmer temperatures and more sunshine. Gardens begin to bloom and trees regain their foliage, offering landscapes in hues of green. However, April is not devoid of rainfall; showers can occur, bringing an occasional chill. Weather in April »Weather in May
As Dell Rapids, South Dakota moves into May, temperatures continue their upward trend. The city experiences more hours of sunlight, which infuse warmth into the days. Rainfall persists, often accompanied by the mellow fragrance of wet earth, hallmarking the month of May. Weather in May »Weather in June
June marks the beginning of summer in Dell Rapids, South Dakota. With an average high temperature of 76.6°F (24.8°C), it's a warm and welcoming time of the year. The day stretches out with longer hours of sunshine. Outdoor activities flourish with perfect weather conditions for hiking, biking, and picnicking. Weather in June »Weather in July
July, the mid-summer month in Dell Rapids, South Dakota, has the highest average temperature, peaking at 81.9°F (27.7°C). This means that residents, as well as visitors, should prepare for heat waves and pack their summer essentials accordingly. Weather in July »Weather in August
The warmth continues in August in Dell Rapids, South Dakota as summer rolls on. Although the temperature takes a slight dip from the peak of July, the weather remains consistently warm and inviting for outdoor pursuits. August often brings with it sporadic rainfall. Weather in August »Weather in September
September welcomes the arrival of autumn in Dell Rapids, South Dakota. A notable decrease in temperature is experienced as the mercury readings begin to descend. The city experiences an average of 73.2°F (22.9°C), a noticeable shift from August. Weather in September »Weather in October
October in Dell Rapids, South Dakota continues the autumnal trend. The cooling weather becomes more pronounced, and residents adorn their warmer clothing. October sees the city adorned in fall colors, with the trees exhibiting a colorful display of reds, yellows, and oranges. Weather in October »Weather in November
November marks the onset of winter in Dell Rapids, South Dakota. Outdoor adventurers need to brace for a significant drop in temperature, with November's average high reading of 42.3°F (5.7°C), a sharp decrease from October's warm spell. Weather in November »Weather in December
Finally, December in Dell Rapids, South Dakota is characteristic of its wintry conditions. The cold is expected, and residents are often prepared for this time of year, expecting temperatures to reach as low as 14.9°F (-9.5°C). Weather in December »Updated: Jul 15, 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 is the month when Dell Rapids experiences its coldest temperatures, averaging a high of 22.3°F (-5.4°C) and a low of 8.2°F (-13.2°C).
With an average relative humidity of 89%, January is the most humid month.
The month with the least rainfall is January, when the rain falls for 3.3 days and typically collects 0.63" (16mm) of precipitation.
In Dell Rapids, South Dakota, during the entire year, the rain falls for 116.4 days and collects up to 21.38" (543mm) of precipitation.
Months with snowfall in Dell Rapids, South Dakota, are January through May, October through December.
Throughout the year, there are 45.6 snowfall days, and 19.49" (495mm) of snow is accumulated.
With an average of 4h of sunshine, January has the least sunshine of the year.
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
The month with the most snowfall in Dell Rapids is February, when snow falls for 8.2 days and typically aggregates up to 4.29" (109mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
The month with the most rainfall is June, when the rain falls for 17.4 days and typically aggregates up to 3.27" (83mm) of precipitation.
In Dell Rapids, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 24min of daylight.
June and July, with an average maximum UV index of 6, are months with the highest UV index in Dell Rapids.
Dell Rapids's warmest month, July, generally records average temperatures ranging from a high of 81.9°F (27.7°C) to a low of 62.2°F (16.8°C).
July has the most sunshine of the year, with an average of 10.7h of sunshine.
With an average relative humidity of 67%, October is the least humid month.
The month with the shortest days is December, with an average of 9h and 0min of daylight.
Average temperature
Dell Rapids, SD
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (22.3°F).
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure
Dell Rapids, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Dell Rapids, SD
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.8mph - Average wind speed in April:
11.4mph - Average wind speed in May:
9.9mph - Average wind speed in June:
9.1mph
- Average wind speed in July:
8.2mph - Average wind speed in August:
8.3mph - Average wind speed in September:
9.6mph - Average wind speed in October:
10.7mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.2mph).
Average humidity
Dell Rapids, SD
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (67%).
Average rainfall
Dell Rapids, SD
- Average rainfall in January:
0.63" - Average rainfall in February:
0.71" - Average rainfall in March:
1.42" - Average rainfall in April:
2.36" - Average rainfall in May:
2.8" - Average rainfall in June:
3.27"
- Average rainfall in July:
2.68" - Average rainfall in August:
2.28" - Average rainfall in September:
1.73" - Average rainfall in October:
1.77" - Average rainfall in November:
0.71" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days
Dell Rapids, SD
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
2.8 days - Average rainfall days in March:
9.2 days - Average rainfall days in April:
11.9 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
13.9 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
8.7 days - Average rainfall days in November:
5.4 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.8 days).
Average snowfall
Dell Rapids, SD
- Average snowfall in January:
3.58" - Average snowfall in February:
4.29" - Average snowfall in March:
2.91" - Average snowfall in April:
1.93" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Dell Rapids, SD
- Average snowfall days in January:
10.1 days - Average snowfall days in February:
8.2 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
2.9 days - Average snowfall days in May:
0.3 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 days - Average snowfall days in October:
1.5 days - Average snowfall days in November:
5 days - Average snowfall days in December:
10.3 days
The month with the highest number of snowfall days is December (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Dell Rapids, 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:
4h and 0min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 54min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Dell Rapids, SD
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
13 days - Average sunshine days in May:
14.4 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
14.4 days - Average sunshine days in August:
14.9 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
18.7 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (10.6 days).
Average UV index
Dell Rapids, SD
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Dell Rapids, SD
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Dell Rapids, 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).
