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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, the same as December, is another cold winter month in New Underwood, South Dakota, with an average temperature varying between 18°F (-7.8°C) and 32.7°F (0.4°C). As New Underwood steps into January, the average high-temperature holds at a still icy 32.7°F (0.4°C), hinting at a minor fluctuation from the prior month. Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in New Underwood, South Dakota, with an average temperature fluctuating between 33.4°F (0.8°C) and 17.8°F (-7.9°C). With the transition into February, New Underwood notes an average high-temperature of a still icy 33.4°F (0.8°C), closely resembling January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in New Underwood, South Dakota, with an average temperature fluctuating between 45.5°F (7.5°C) and 28.8°F (-1.8°C). The rise of average high-temperatures is seen in March, with an increase from a cold 33.4°F (0.8°C) in February to a chilly 45.5°F (7.5°C). Weather in March »
Weather in April
April in New Underwood, South Dakota, is a cool spring month, with an average temperature varying between 35.4°F (1.9°C) and 53.2°F (11.8°C). In New Underwood, stepping into April brings a gentle temperature nudge, moving slightly up from March's frosty 45.5°F (7.5°C) to a fresh 53.2°F (11.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in New Underwood, South Dakota, with temperature in the range of an average low of 45.3°F (7.4°C) and an average high of 63.1°F (17.3°C). May's arrival coincides with a rise in the average high-temperature, moving from April's cool 53.2°F (11.8°C) to a refreshing 63.1°F (17.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in New Underwood, South Dakota, with temperature in the range of an average high of 76.5°F (24.7°C) and an average low of 55.9°F (13.3°C). With the beginning of June, New Underwood's average high-temperature sees an increase, transitioning from a refreshing 63.1°F (17.3°C) in May to a warm 76.5°F (24.7°C). Weather in June »
Weather in July
July, like June, in New Underwood, South Dakota, is another warm summer month, with an average temperature ranging between min 63.3°F (17.4°C) and max 84.7°F (29.3°C). The warmest period tends to be July, when average temperatures fluctuate between a high of 84.7°F (29.3°C) and a low of 63.3°F (17.4°C). July's heat index is estimated at a hot 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in New Underwood, South Dakota, with an average temperature varying between 61.5°F (16.4°C) and 82.8°F (28.2°C). The onset of August brings with it an average high-temperature of a still moderately hot 82.8°F (28.2°C), showing a negligible variation from the month before. Weather in August »
Weather in September
September, the first month of the autumn in New Underwood, is still a warm month, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 54°F (12.2°C). The transition to September results in a modest reduction in average high-temperature, moving from 82.8°F (28.2°C) in August to a still warm 73.9°F (23.3°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in New Underwood, South Dakota, with an average temperature varying between 56.5°F (13.6°C) and 39.9°F (4.4°C). A clear reduction in the average high-temperature is witnessed with the onset of October, reducing from a warm 73.9°F (23.3°C) in September to a moderate 56.5°F (13.6°C). Weather in October »
Weather in November
November, the last month of the autumn in New Underwood, is another chilly month, with an average temperature fluctuating between 29.1°F (-1.6°C) and 45.1°F (7.3°C). With the onset of November, New Underwood experiences a modest temperature adjustment, with the average high-temperature receding from a moderate 56.5°F (13.6°C) in October to a chilly 45.1°F (7.3°C). Weather in November »
Weather in December
December, the first month of the winter in New Underwood, is also an icy month, with an average temperature ranging between max 32.5°F (0.3°C) and min 18.7°F (-7.4°C). December, noted for its average high-temperature of 32.5°F (0.3°C) and an average low-temperature of 18.7°F (-7.4°C), is considered the coldest month. Weather in December »
Updated: Jul 8, 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?
The most humid month is January, with an average relative humidity of 77%.
What is the driest 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.
How many days does it rain?
Throughout the year, there are 118.8 rainfall days, and 15.39" (391mm) of precipitation is accumulated.
When does it snow?
January through May, September through December are months with snowfall.
How many days does it snow?
In New Underwood, during the entire year, snow falls for 50.4 days and aggregates up to 24.41" (620mm) of snow.
What is the month with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the month with the least sunshine?
February has the least sunshine of the year in New Underwood, with an average of 5.9h of sunshine.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in New Underwood, 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 New Underwood?
The month with the most snowfall is April, when snow falls for 5.3 days and typically aggregates up to 5.43" (138mm) of snow.
What is the rainiest month?
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.
When it does not snow?
June through August are months without snowfall.
When are the longest days?
With an average of 15h and 24min of daylight, June has the longest days of the year.
When is the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index in New Underwood.
What time of the year is the hottest?
In New Underwood, July is the month with the highest recorded average temperatures, measuring a high of 84.7°F (29.3°C) and a low of 63.3°F (17.4°C).
What are the least humid months?
The months with the lowest humidity are August and September, with an average relative humidity of 50%.
What month has the most sunshine?
August has the most sunshine of the year, with an average of 11.8h of sunshine.
What is the coldest time of year?
Temperature records in New Underwood mark December as the coldest month, with highs averaging 32.5°F (0.3°C) and lows at 18.7°F (-7.4°C).
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 54min of daylight.
Average temperature
New Underwood, 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
New Underwood, 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
New Underwood, 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
New Underwood, 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
New Underwood, 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
New Underwood, 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
New Underwood, 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
New Underwood, 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
New Underwood, 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 2min
- 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 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
6h and 1min - 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 5min - Average sunshine in September:
10h and 2min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 4min - 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
New Underwood, 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
New Underwood, 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
New Underwood, 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
New Underwood, 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).
New Underwood, South Dakota, USA
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