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Contents
- 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
Weather in January
January, like December, is a freezing cold winter month in Roscoe, South Dakota, with an average temperature fluctuating between 22.6°F (-5.2°C) and 9.1°F (-12.7°C). January is Roscoe's coldest month, registering average high temperatures of 22.6°F (-5.2°C) and lows of 9.1°F (-12.7°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Roscoe, South Dakota, with an average temperature ranging between min 11.8°F (-11.2°C) and max 25.2°F (-3.8°C). Roscoe notes an average high-temperature of a still freezing cold 25.2°F (-3.8°C) in February, hardly diverging from January. Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Roscoe, South Dakota, with an average temperature varying between 39.9°F (4.4°C) and 25.5°F (-3.6°C). March's arrival brings a noticeable temperature shift, escalating from a freezing cold 25.2°F (-3.8°C) in February to a wintry 39.9°F (4.4°C). Weather in March »
Weather in April
April in Roscoe, South Dakota, is a fresh spring month, with temperature in the range of an average high of 54°F (12.2°C) and an average low of 36.7°F (2.6°C). The shift from March to April sees an increase in the average high-temperature, transitioning from an icy 39.9°F (4.4°C) to a fresh 54°F (12.2°C). Weather in April »
Weather in May
May, the last month of the spring in Roscoe, is a refreshing month, with an average temperature ranging between min 47.8°F (8.8°C) and max 66.2°F (19°C). In Roscoe, the onset of May comes with an increased average high-temperature, moving from April's cool 54°F (12.2°C) to an enjoyable 66.2°F (19°C). Weather in May »
Weather in June
June, the first month of the summer in Roscoe, is a warm month, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 58.5°F (14.7°C). With the onset of June, Roscoe's weather sees a temperature rise, transitioning from a refreshing 66.2°F (19°C) in May to a moderately hot 77.9°F (25.5°C). Weather in June »
Weather in July
July, like June, in Roscoe, South Dakota, is a moderately hot summer month, with an average temperature varying between 85.8°F (29.9°C) and 64.9°F (18.3°C). The month of July sees the highest average temperatures, reaching 85.8°F (29.9°C) at the peak and 64.9°F (18.3°C) at the low. Throughout July, the heat index is evaluated at a hot 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Roscoe, South Dakota, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 83.8°F (28.8°C). Roscoe commences August with an average high-temperature of a still warm 83.8°F (28.8°C), maintaining a close resemblance to the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Roscoe, South Dakota, with an average temperature ranging between max 74.5°F (23.6°C) and min 54.5°F (12.5°C). The onset of September brings a small change in high-temperatures, falling from 83.8°F (28.8°C) in August to a still moderately hot 74.5°F (23.6°C). Weather in September »
Weather in October
October, the same as September, in Roscoe, South Dakota, is another refreshing autumn month, with an average temperature ranging between min 40.6°F (4.8°C) and max 55.9°F (13.3°C). With the onset of October, Roscoe's average high-temperature witnesses a clear drop, receding from September's moderately hot 74.5°F (23.6°C) to a moderate 55.9°F (13.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an icy month in Roscoe, South Dakota, with an average temperature fluctuating between 27.9°F (-2.3°C) and 41.9°F (5.5°C). As November commences, the average high-temperature shows a reduction, transitioning from a refreshing 55.9°F (13.3°C) in October to a cold 41.9°F (5.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Roscoe, South Dakota, with an average temperature varying between 25.5°F (-3.6°C) and 14.2°F (-9.9°C). The shift from November to December brings a noticeable decrease in the average high-temperature, dropping from a wintry 41.9°F (5.5°C) to a subzero cold 25.5°F (-3.6°C). 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 month is the coldest in Roscoe?
Roscoe, South Dakota, notes the coldest temperatures in January, with a average high of 22.6°F (-5.2°C) and a low of 9.1°F (-12.7°C).
What is the most humid month in Roscoe?
January is the most humid month in Roscoe, with an average relative humidity of 88%.
What is the driest month in Roscoe?
January is the month with the least rainfall in Roscoe. Rain falls for 2.8 days and accumulates 0.55" (14mm) of precipitation.
How much does it rain in Roscoe?
Throughout the year, in Roscoe, South Dakota, there are 97.8 rainfall days, and 16.65" (423mm) of precipitation is accumulated.
When does it snow in Roscoe?
Months with snowfall in Roscoe are January through May, October through December.
How many days does it snow in Roscoe?
Throughout the year, there are 59.7 snowfall days, and 19.96" (507mm) of snow is accumulated.
What is the month with the least sunshine in Roscoe?
The month with the least sunshine in Roscoe, South Dakota, is January, with an average of 3.9h of sunshine.
What is the month with the lowest UV index in Roscoe?
The months with the lowest UV index in Roscoe are January, February, November and December, with an average maximum UV index of 1.
When does it snow the most in Roscoe?
The month with the most snowfall is February, when snow falls for 12.3 days and typically aggregates up to 5.04" (128mm) of snow.
When is Daylight Saving Time (DST) in Roscoe?
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.
What is the rainiest month in Roscoe?
The month with the most rainfall in Roscoe, South Dakota, is June, when the rain falls for 14.4 days and typically aggregates up to 2.8" (71mm) of precipitation.
When it does not snow in Roscoe?
June through September are months without snowfall in Roscoe.
When are the longest days in Roscoe?
With an average of 15h and 36min of daylight, June has the longest days of the year.
What is the month with the highest UV index in Roscoe?
The months with the highest UV index in Roscoe, South Dakota, are June through August, with an average maximum UV index of 6.
What are the warmest months in Roscoe?
July stands out as Roscoe's warmest month, with temperatures ranging between an average high of 85.8°F (29.9°C) and a low of 64.9°F (18.3°C).
What month has the most sunshine in Roscoe?
July has the most sunshine of the year in Roscoe, with an average of 11.2h of sunshine.
What are the least humid months in Roscoe?
The months with the lowest humidity are August and September, with an average relative humidity of 56%.
What is the month with the shortest days in Roscoe?
With an average of 8h and 48min of daylight, December has the shortest days of the year in Roscoe.
Average temperature
Roscoe, SD
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (22.6°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure
Roscoe, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.92"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:
29.95"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.14"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Roscoe, SD
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.1mph - Average wind speed in March:
10.8mph - Average wind speed in April:
11.8mph - Average wind speed in May:
11mph - Average wind speed in June:
10.5mph
- Average wind speed in July:
9.9mph - Average wind speed in August:
9.7mph - Average wind speed in September:
11.1mph - Average wind speed in October:
11.7mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.4mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity
Roscoe, SD
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (56%).
Average rainfall
Roscoe, SD
- Average rainfall in January:
0.55" - Average rainfall in February:
0.75" - Average rainfall in March:
1.06" - Average rainfall in April:
1.61" - Average rainfall in May:
2.32" - Average rainfall in June:
2.8"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days
Roscoe, SD
- Average rainfall days in January:
2.8 days - Average rainfall days in February:
1.9 days - Average rainfall days in March:
6.5 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
13.7 days - Average rainfall days in June:
14.4 days
- Average rainfall days in July:
12.3 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
7.9 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
3.3 days
The month with the highest number of rainy days is June (14.4 days).
The month with the least rainy days is February (1.9 days).
Average snowfall
Roscoe, SD
- Average snowfall in January:
3.19" - Average snowfall in February:
5.04" - Average snowfall in March:
3.43" - Average snowfall in April:
2.64" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Roscoe, SD
- Average snowfall days in January:
12.8 days - Average snowfall days in February:
12.3 days - Average snowfall days in March:
10.1 days - Average snowfall days in April:
4.9 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:
2.3 days - Average snowfall days in November:
5.8 days - Average snowfall days in December:
11.2 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Roscoe, SD
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
5h and 0min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
10h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Roscoe, SD
- Average sunshine days in January:
16.6 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
14.9 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
15.7 days - Average sunshine days in August:
16.7 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
21.1 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.1 days).
Average UV index
Roscoe, SD
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Roscoe, SD
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility
Roscoe, 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).
Roscoe, South Dakota, USA
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