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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, in Ashton, South Dakota, is another subzero cold winter month, with an average temperature varying between 22.5°F (-5.3°C) and 7.9°F (-13.4°C). January, marked by an average high-temperature of 22.5°F (-5.3°C) and a low-temperature of 7.9°F (-13.4°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Ashton, South Dakota, with an average temperature ranging between min 11.5°F (-11.4°C) and max 25.7°F (-3.5°C). February's advent denotes a minor fluctuation in the average high-temperature to a still subzero cold 25.7°F (-3.5°C) from January's 22.5°F (-5.3°C). Weather in February »
Weather in March
March, the first month of the spring in Ashton, is a cold month, with an average temperature fluctuating between 41.5°F (5.3°C) and 25.9°F (-3.4°C). March is characterized by a noticeable escalation in the average high-temperature, rising from a freezing cold 25.7°F (-3.5°C) in February to an icy 41.5°F (5.3°C). Weather in March »
Weather in April
April in Ashton, South Dakota, is a refreshing spring month, with an average temperature varying between 55.4°F (13°C) and 37.4°F (3°C). The start of April signals an increase in the average high-temperature, moving from an icy 41.5°F (5.3°C) in March to a moderate 55.4°F (13°C). Weather in April »
Weather in May
May, the last month of the spring in Ashton, is an enjoyable month, with temperature in the range of an average high of 67.6°F (19.8°C) and an average low of 48.9°F (9.4°C). Ashton in May experiences an increase in the average high-temperature, moving from April's refreshing 55.4°F (13°C) to a comfortable 67.6°F (19.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Ashton, South Dakota, with an average temperature varying between 78.4°F (25.8°C) and 58.6°F (14.8°C). The shift from May to June brings an increase in the average high-temperature, moving from an enjoyable 67.6°F (19.8°C) to a warm 78.4°F (25.8°C). Weather in June »
Weather in July
July, like June, in Ashton, South Dakota, is a moderately hot summer month, with an average temperature fluctuating between 85.6°F (29.8°C) and 64°F (17.8°C). July is the month when Ashton's temperatures reach their peak, with averages of 85.6°F (29.8°C) and lows of 64°F (17.8°C). The heat index in July is evaluated at a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Ashton, is another warm month, with an average temperature varying between 84.4°F (29.1°C) and 61.3°F (16.3°C). Ashton records an average high-temperature of a still moderately hot 84.4°F (29.1°C) in August, maintaining a close correlation with July's 85.6°F (29.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Ashton, is also a moderately hot month, with an average temperature fluctuating between 54.5°F (12.5°C) and 75.9°F (24.4°C). The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from 84.4°F (29.1°C) to a still moderately hot 75.9°F (24.4°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Ashton, South Dakota, with an average temperature ranging between min 41.2°F (5.1°C) and max 57.9°F (14.4°C). October's arrival is marked by a significant decrease in the average high-temperature, moving from a moderately hot 75.9°F (24.4°C) in September to a mild 57.9°F (14.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Ashton, is also a frosty month, with an average temperature fluctuating between 43.5°F (6.4°C) and 28.6°F (-1.9°C). The start of November is characterized by a significant decrease in the average high-temperature, moving from a refreshing 57.9°F (14.4°C) in October to a frosty 43.5°F (6.4°C). Weather in November »
Weather in December
December, the first month of the winter in Ashton, is still a freezing cold month, with an average temperature varying between 14.2°F (-9.9°C) and 26.4°F (-3.1°C). December's arrival witnesses a distinct temperature drop, receding from November's frosty 43.5°F (6.4°C) to a subzero cold 26.4°F (-3.1°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 is the coldest time of year in Ashton?
The coldest period in Ashton is January, when temperatures fluctuate between an average high of 22.5°F (-5.3°C) and a low of 7.9°F (-13.4°C).
What is the most humid month in Ashton?
The most humid month in Ashton is January, with an average relative humidity of 88%.
What is the driest month in Ashton?
The month with the least rainfall is January, when the rain falls for 2.5 days and typically collects 0.51" (13mm) of precipitation.
How many days does it rain in Ashton?
Throughout the year, in Ashton, there are 97.6 rainfall days, and 17.83" (453mm) of precipitation is accumulated.
When does it snow in Ashton?
Months with snowfall in Ashton, South Dakota, are January through April, October through December.
How many days does it snow in Ashton?
Throughout the year, in Ashton, there are 43.7 snowfall days, and 18.66" (474mm) of snow is accumulated.
What is the month with the least sunshine in Ashton?
The month with the least sunshine is January, with an average of 4.1h of sunshine.
What are the months with the lowest UV index in Ashton?
January and February, with an average maximum UV index of 1, are months with the lowest UV index in Ashton.
What is the snowiest month in Ashton?
February is the month with the most snowfall in Ashton. Snow falls for 8.9 days and accumulates 4.09" (104mm) of snow.
When is Daylight Saving Time (DST) in Ashton?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Ashton, South Dakota, 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.
When it does not snow in Ashton?
In Ashton, snow does not fall in May through September.
What is the rainiest month in Ashton?
June is the month with the most rainfall in Ashton, South Dakota. Rain falls for 15.1 days and accumulates 3.03" (77mm) of precipitation.
When are the longest days in Ashton?
With an average of 15h and 36min of daylight, June has the longest days of the year.
When is the highest UV index in Ashton?
The months with the highest UV index in Ashton, South Dakota, are June through August, with an average maximum UV index of 6.
What is the hottest time of year in Ashton?
Ashton's warmest weather arrives in July, when temperatures average a high of 85.6°F (29.8°C) and a low of 64°F (17.8°C).
What month has the most sunshine in Ashton?
With an average of 11.2h of sunshine, July has the most sunshine of the year in Ashton.
What is the least humid month in Ashton?
The least humid month in Ashton, South Dakota, is September, with an average relative humidity of 60%.
What is the month with the shortest days in Ashton?
December has the shortest days of the year in Ashton, with an average of 8h and 48min of daylight.
Average temperature
Ashton, SD
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (22.5°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure
Ashton, 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:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.96"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 (29.84"Hg).
Average wind speed
Ashton, SD
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.7mph - Average wind speed in March:
10mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.7mph - Average wind speed in June:
9.1mph
- Average wind speed in July:
8.5mph - Average wind speed in August:
8.5mph - Average wind speed in September:
9.7mph - Average wind speed in October:
10.6mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).
Average humidity
Ashton, SD
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (60%).
Average rainfall
Ashton, SD
- Average rainfall in January:
0.51" - Average rainfall in February:
0.67" - Average rainfall in March:
1.02" - Average rainfall in April:
1.61" - Average rainfall in May:
2.4" - Average rainfall in June:
3.03"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days
Ashton, SD
- Average rainfall days in January:
2.5 days - Average rainfall days in February:
1.9 days - Average rainfall days in March:
7.2 days - Average rainfall days in April:
10.6 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
11.7 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
9.3 days - Average rainfall days in October:
7.9 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
2.7 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is February (1.9 days).
Average snowfall
Ashton, SD
The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Ashton, SD
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
8.9 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.1 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:
1.3 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
9 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Ashton, 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 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 4min
- 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:
10h and 5min - 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 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
5h and 1min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
10h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Ashton, SD
- Average sunshine days in January:
19.5 days - Average sunshine days in February:
18 days - Average sunshine days in March:
17.4 days - Average sunshine days in April:
15 days - Average sunshine days in May:
15.2 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
16.8 days - Average sunshine days in August:
16.9 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
20.4 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12.2 days).
Average UV index
Ashton, 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 and February (UV index 1).
Average cloud cover
Ashton, SD
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility
Ashton, 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).
Ashton, South Dakota, USA
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