Climate and monthly weather forecastMarion, SD
Climate and monthly weather forecast
Weather in January
January, the same as December, in Marion, South Dakota, is another subzero cold winter month, with an average temperature varying between 24.3°F (-4.3°C) and 10.8°F (-11.8°C). In Marion, the lowest average temperatures are observed in January, with a high of 24.3°F (-4.3°C) and a low of 10.8°F (-11.8°C). Weather in January »Weather in February
February, the last month of the winter in Marion, is also a subzero cold month, with an average temperature fluctuating between 27.9°F (-2.3°C) and 14.2°F (-9.9°C). February reports an average high-temperature of a still freezing cold 27.9°F (-2.3°C), slightly varied from January's 24.3°F (-4.3°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Marion, South Dakota, with an average temperature fluctuating between 28.8°F (-1.8°C) and 44.2°F (6.8°C). March signals a significant shift in the average high-temperature, soaring from February's subzero cold 27.9°F (-2.3°C) to a frosty 44.2°F (6.8°C). Weather in March »Weather in April
April in Marion, South Dakota, is a refreshing spring month, with temperature in the range of an average high of 56.7°F (13.7°C) and an average low of 39.7°F (4.3°C). With the transition into April, Marion experiences an increase in average high-temperatures, moving up from a frosty 44.2°F (6.8°C) in March to a mild 56.7°F (13.7°C). Weather in April »Weather in May
May, the last month of the spring in Marion, is an agreeable month, with temperature in the range of an average low of 50.7°F (10.4°C) and an average high of 68.4°F (20.2°C). Marion, South Dakota, experiences a temperature shift with the start of May, with average high-temperatures moving from a mild 56.7°F (13.7°C) in April to a pleasant 68.4°F (20.2°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Marion, South Dakota, with an average temperature varying between 60.8°F (16°C) and 78.3°F (25.7°C). In June, the average high-temperature increases from an agreeable 68.4°F (20.2°C) in May to a moderately hot 78.3°F (25.7°C). Weather in June »Weather in July
July, like June, in Marion, South Dakota, is another warm summer month, with an average temperature varying between 63.7°F (17.6°C) and 83.3°F (28.5°C). Marion notes the warmest temperatures in July, with a high average of 83.3°F (28.5°C) and a low of 63.7°F (17.6°C). For most parts of July, the heat index is computed to be a hot 89.6°F (32°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Marion, South Dakota, with an average temperature fluctuating between 60.4°F (15.8°C) and 81.7°F (27.6°C). August experiences an average high-temperature of a still warm 81.7°F (27.6°C), barely different from July's 83.3°F (28.5°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Marion, South Dakota, with an average temperature varying between 54°F (12.2°C) and 74.7°F (23.7°C). The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 81.7°F (27.6°C) to a still moderately hot 74.7°F (23.7°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Marion, South Dakota, with an average temperature ranging between max 58.1°F (14.5°C) and min 41.9°F (5.5°C). The shift from September to October is characterized by a clear decrease in the average high-temperature, reducing from a moderately hot 74.7°F (23.7°C) to a mild 58.1°F (14.5°C). Weather in October »Weather in November
November, the last month of the autumn in Marion, is another chilly month, with an average temperature varying between 44.2°F (6.8°C) and 29.8°F (-1.2°C). November shows a mild decline in the average high-temperature, falling from October's refreshing 58.1°F (14.5°C) to a chilly 44.2°F (6.8°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Marion, South Dakota, with temperature in the range of an average low of 16.3°F (-8.7°C) and an average high of 28.2°F (-2.1°C). The arrival of December signals a clear decrease in the average high-temperature, falling from a chilly 44.2°F (6.8°C) in November to a freezing cold 28.2°F (-2.1°C). 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
In Marion, the average lowest temperatures are observed in January, with a high of 24.3°F (-4.3°C) and a low of 10.8°F (-11.8°C).
The most humid month in Marion is January, with an average relative humidity of 87%.
The months with the least rainfall are January, February and November Rain falls for 3.3 days and accumulates 0.47" (12mm) of rain.
Throughout the year, there are 111.7 rainfall days, and 17.76" (451mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
Throughout the year, there are 38.7 snowfall days, and 12.76" (324mm) of snow is accumulated.
With an average of 4.2h of sunshine, January has the least sunshine of the year.
February is the month with the most snowfall. Snow falls for 8.2 days and accumulates 2.64" (67mm) 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.
June is the month with the most rainfall. Rain falls for 16 days and accumulates 2.91" (74mm) of precipitation.
In Marion, South Dakota, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 24min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
July, characterized by an average high temperature of 83.3°F (28.5°C) and a low temperature of 63.7°F (17.6°C), is generally the warmest month.
The month with the most sunshine is July, with an average of 10.7h of sunshine.
With an average relative humidity of 66%, October is the least humid month.
The month with the lowest UV index is November, with an average maximum UV index of 1.
December has the shortest days of the year, with an average of 9h and 0min of daylight.
Average temperature
Marion, SD
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (24.3°F).
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure
Marion, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.85"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:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Marion, SD
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.7mph - Average wind speed in April:
11.2mph - Average wind speed in May:
9.7mph - Average wind speed in June:
8.9mph
- Average wind speed in July:
7.9mph - Average wind speed in August:
8.1mph - Average wind speed in September:
9.3mph - Average wind speed in October:
10.4mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity
Marion, SD
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).
Average rainfall
Marion, SD
- Average rainfall in January:
0.47" - Average rainfall in February:
0.47" - Average rainfall in March:
1.14" - Average rainfall in April:
1.81" - Average rainfall in May:
2.6" - Average rainfall in June:
2.91"
- Average rainfall in July:
2.05" - Average rainfall in August:
2.09" - Average rainfall in September:
1.61" - Average rainfall in October:
1.38" - Average rainfall in November:
0.47" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January, February and November (0.47").
Average rainfall days
Marion, SD
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
2.5 days - Average rainfall days in March:
8.5 days - Average rainfall days in April:
12 days - Average rainfall days in May:
16 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
12.7 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
4.7 days - Average rainfall days in December:
3.7 days
The months with the highest number of rainy days are May and June (16 days).
The month with the least rainy days is February (2.5 days).
Average snowfall
Marion, SD
- Average snowfall in January:
2.44" - Average snowfall in February:
2.64" - Average snowfall in March:
1.97" - Average snowfall in April:
1.46" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Marion, SD
- Average snowfall days in January:
9.5 days - Average snowfall days in February:
8.2 days - Average snowfall days in March:
5.5 days - Average snowfall days in April:
2.4 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 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
8.7 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Marion, 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 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 0min - 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 12min - Average sunshine in February:
5h and 12min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 42min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 48min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 24min
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 12min).
Average sunshine days
Marion, SD
- Average sunshine days in January:
20.4 days - Average sunshine days in February:
18.6 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
13 days - Average sunshine days in June:
11.5 days
- Average sunshine days in July:
15.4 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
19.8 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.5 days).
Average UV index
Marion, SD
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover
Marion, SD
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility
Marion, 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).
