Climate and monthly weather forecastFrederick, SD
Climate and monthly weather forecast
Weather in January
January, the same as December, in Frederick, South Dakota, is another subzero cold winter month, with an average temperature ranging between min 5.4°F (-14.8°C) and max 19.8°F (-6.8°C). Frederick's January weather, with an average high temperature of 19.8°F (-6.8°C) and an average low temperature of 5.4°F (-14.8°C), tends to be the coldest of the year. Weather in January »Weather in February
February, the last month of the winter in Frederick, is also a subzero cold month, with an average temperature ranging between max 22.3°F (-5.4°C) and min 7.3°F (-13.7°C). The shift into February finds Frederick at an average high-temperature of a still freezing cold 22.3°F (-5.4°C), closely comparable to January's conditions. Weather in February »Weather in March
March, the first month of the spring in Frederick, is a wintry month, with an average temperature ranging between max 37.6°F (3.1°C) and min 23°F (-5°C). As Frederick welcomes March, there is a noticeable shift in the average high-temperature, escalating from February's freezing cold 22.3°F (-5.4°C) to a cold 37.6°F (3.1°C). Weather in March »Weather in April
April is a cool spring month in Frederick, South Dakota, with an average temperature varying between 52.2°F (11.2°C) and 35.2°F (1.8°C). April's arrival brings a noticeable temperature shift, escalating from an icy 37.6°F (3.1°C) in March to a fresh 52.2°F (11.2°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Frederick, South Dakota, with an average temperature fluctuating between 46.9°F (8.3°C) and 65.8°F (18.8°C). As May arrives, Frederick's weather shows an increase in high-temperatures, moving from April's cool 52.2°F (11.2°C) to a refreshing 65.8°F (18.8°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Frederick, South Dakota, with an average temperature varying between 56.7°F (13.7°C) and 75.6°F (24.2°C). Frederick, South Dakota, in June experiences an increase in the average high-temperature, moving from May's refreshing 65.8°F (18.8°C) to a warm 75.6°F (24.2°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Frederick, South Dakota, with an average temperature varying between 61.7°F (16.5°C) and 82.9°F (28.3°C). The month of July, characterized by an average high of 82.9°F (28.3°C) and a low of 61.7°F (16.5°C), is recognized as the warmest. July's mean heat index is evaluated at a hot 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Frederick, South Dakota, with an average temperature fluctuating between 59.5°F (15.3°C) and 81.9°F (27.7°C). The average high-temperature in August, at a still warm 81.9°F (27.7°C), reveals a modest deviation from July's 82.9°F (28.3°C). Weather in August »Weather in September
September, the first month of the autumn in Frederick, is also an agreeable month, with temperature in the range of an average high of 72.7°F (22.6°C) and an average low of 52.2°F (11.2°C). The onset of September introduces a moderate change in Frederick's weather, with average high-temperatures falling from August's warm 81.9°F (27.7°C) to an agreeable 72.7°F (22.6°C). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Frederick, South Dakota, with an average temperature varying between 54.9°F (12.7°C) and 39.2°F (4°C). October is characterized by a clear drop in the average high-temperature, falling from September's agreeable 72.7°F (22.6°C) to a fresh 54.9°F (12.7°C). Weather in October »Weather in November
November, the last month of the autumn in Frederick, is also an icy month, with temperature in the range of an average high of 39.9°F (4.4°C) and an average low of 25.9°F (-3.4°C). As October transitions into November, a clear downswing in temperatures is observed, with average highs retreating from a cool 54.9°F (12.7°C) to a cold 39.9°F (4.4°C). Weather in November »Weather in December
December, the first month of the winter in Frederick, is still a freezing cold month, with an average temperature varying between 11.8°F (-11.2°C) and 23.7°F (-4.6°C). The start of December brings a distinct shift in the average high-temperature, dropping from November's icy 39.9°F (4.4°C) to a subzero cold 23.7°F (-4.6°C). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Frederick, SD
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (19.8°F).
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure
Frederick, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.17"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.85"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:
29.97"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Frederick, SD
- Average wind speed in January:
10.3mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.8mph - Average wind speed in June:
8.9mph
- Average wind speed in July:
8.3mph - Average wind speed in August:
8.2mph - Average wind speed in September:
9.6mph - Average wind speed in October:
10.7mph - Average wind speed in November:
10mph - Average wind speed in December:
10.2mph
The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity
Frederick, SD
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are August and September (61%).
Average rainfall
Frederick, SD
- Average rainfall in January:
0.39" - Average rainfall in February:
0.43" - Average rainfall in March:
0.71" - Average rainfall in April:
1.38" - Average rainfall in May:
2.01" - Average rainfall in June:
2.83"
- Average rainfall in July:
2.64" - Average rainfall in August:
1.38" - Average rainfall in September:
1.14" - Average rainfall in October:
1.26" - Average rainfall in November:
0.51" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days
Frederick, SD
- Average rainfall days in January:
1.7 days - Average rainfall days in February:
1.8 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
10.2 days - Average rainfall days in May:
13.2 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
11.7 days - Average rainfall days in August:
10 days - Average rainfall days in September:
8.4 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
3.7 days - Average rainfall days in December:
2.7 days
The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.7 days).
Average snowfall
Frederick, SD
- Average snowfall in January:
2.76" - Average snowfall in February:
2.52" - Average snowfall in March:
2.48" - Average snowfall in April:
1.81" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The months with the highest snowfall are January and December (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Frederick, SD
- Average snowfall days in January:
11.5 days - Average snowfall days in February:
11.8 days - Average snowfall days in March:
9.7 days - Average snowfall days in April:
3.4 days - Average snowfall days in May:
0.2 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:
1.8 days - Average snowfall days in November:
4.8 days - Average snowfall days in December:
11.4 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Frederick, SD
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
4h and 30min - Average sunshine in March:
5h and 6min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 36min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Frederick, SD
- Average sunshine days in January:
18 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
16.6 days - Average sunshine days in August:
18.6 days - Average sunshine days in September:
20.4 days - Average sunshine days in October:
20 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index
Frederick, SD
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Frederick, SD
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility
Frederick, SD
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).





