Climate and monthly weather forecastAcademy, SD
Climate and monthly weather forecast
Weather in January
January, the same as December, in Academy, South Dakota, is another subzero cold winter month, with an average temperature fluctuating between 26.1°F (-3.3°C) and 12.6°F (-10.8°C). January is the coldest month, with the temperature often reaching an average high of 26.1°F (-3.3°C) and an average low of 12.6°F (-10.8°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Academy, South Dakota, with an average temperature fluctuating between 29.8°F (-1.2°C) and 15.3°F (-9.3°C). With the transition into February, Academy notes an average high-temperature of a still subzero cold 29.8°F (-1.2°C), closely resembling January. Weather in February »Weather in March
March, the first month of the spring in Academy, is a chilly month, with an average temperature ranging between min 29.1°F (-1.6°C) and max 45°F (7.2°C). The changeover to March signals a significant increase in the average high-temperature, rising from a freezing cold 29.8°F (-1.2°C) in February to a chilly 45°F (7.2°C). Weather in March »Weather in April
April is a moderate spring month in Academy, South Dakota, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 38.3°F (3.5°C). April indicates a change in the average high-temperature, moving up from a frosty 45°F (7.2°C) in March to a moderate 56.3°F (13.5°C). Weather in April »Weather in May
May, the last month of the spring in Academy, is a refreshing month, with an average temperature varying between 49.3°F (9.6°C) and 67.8°F (19.9°C). May brings an increase in the average high-temperature, progressing from a refreshing 56.3°F (13.5°C) in April to an enjoyable 67.8°F (19.9°C). Weather in May »Weather in June
June, the first month of the summer in Academy, is a warm month, with an average temperature varying between 60.4°F (15.8°C) and 79.7°F (26.5°C). The onset of June brings a temperature shift, with the average high-temperature moving from an enjoyable 67.8°F (19.9°C) in May to a moderately hot 79.7°F (26.5°C). Weather in June »Weather in July
July is a hot summer month in Academy, South Dakota, with an average temperature fluctuating between 66.2°F (19°C) and 88°F (31.1°C). July, recognised by an average high temperature of 88°F (31.1°C) and a low of 66.2°F (19°C), is Academy's warmest month. In July, the average heat index is estimated at a sweltering 95°F (35°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Academy, South Dakota, with an average temperature varying between 63.7°F (17.6°C) and 85.8°F (29.9°C). August's commencement is accompanied by an average high-temperature of a warm 85.8°F (29.9°C), diverging marginally from July's 88°F (31.1°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Academy, South Dakota, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 55.9°F (13.3°C). September brings a drop in Academy's average high-temperature, falling from a warm 85.8°F (29.9°C) in August to a still moderately hot 76.3°F (24.6°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Academy, South Dakota, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 42.4°F (5.8°C). The shift from September to October is characterized by a clear decrease in the average high-temperature, reducing from a warm 76.3°F (24.6°C) to a mild 58.6°F (14.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Academy, South Dakota, with an average temperature varying between 29.7°F (-1.3°C) and 45.5°F (7.5°C). November is characterized by a reduction in the average high-temperature, from a mild 58.6°F (14.8°C) in October to a chilly 45.5°F (7.5°C). Weather in November »Weather in December
December, the first month of the winter in Academy, is also a subzero cold month, with an average temperature varying between 16.9°F (-8.4°C) and 29.1°F (-1.6°C). As December sets, the average high-temperature displays a significant decrease, moving down from a chilly 45.5°F (7.5°C) in November to a subzero cold 29.1°F (-1.6°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Academy, SD
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (26.1°F).
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure
Academy, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.05"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:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"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 (29.84"Hg).
Average wind speed
Academy, SD
- Average wind speed in January:
10.3mph - Average wind speed in February:
9.9mph - Average wind speed in March:
10.6mph - Average wind speed in April:
11.3mph - Average wind speed in May:
10.4mph - Average wind speed in June:
9.8mph
- Average wind speed in July:
9.2mph - Average wind speed in August:
9.1mph - Average wind speed in September:
10.3mph - Average wind speed in October:
10.7mph - Average wind speed in November:
10.1mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity
Academy, SD
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is September (58%).
Average rainfall
Academy, SD
- Average rainfall in January:
0.59" - Average rainfall in February:
0.67" - Average rainfall in March:
1.26" - Average rainfall in April:
1.89" - Average rainfall in May:
2.8" - Average rainfall in June:
3.03"
- Average rainfall in July:
2.28" - Average rainfall in August:
1.5" - Average rainfall in September:
1.18" - Average rainfall in October:
1.14" - Average rainfall in November:
0.55" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is November (0.55").
Average rainfall days
Academy, SD
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
11.8 days - Average rainfall days in August:
11 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
7.8 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
3.9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall
Academy, SD
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Academy, SD
- Average snowfall days in January:
11.7 days - Average snowfall days in February:
11.7 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
3.4 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:
1.6 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
9.6 days
The months with the highest number of snowfall days are January and February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Academy, 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 42min - Average sunshine in February:
5h and 48min - Average sunshine in March:
6h and 48min - Average sunshine in April:
7h and 54min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
11h and 24min - Average sunshine in August:
11h and 0min - Average sunshine in September:
8h and 48min - Average sunshine in October:
6h and 48min - Average sunshine in November:
6h and 6min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days
Academy, SD
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
15.9 days - Average sunshine days in August:
17.2 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
20.7 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is April (11.8 days).
Average UV index
Academy, SD
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover
Academy, SD
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility
Academy, 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).





