Climate and monthly weather forecastGlad Valley, SD
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Glad Valley, South Dakota, with temperature in the range of an average high of 27°F (-2.8°C) and an average low of 13.6°F (-10.2°C). The coldest time of the year is January, with temperatures averaging a high of 27°F (-2.8°C) and a low of 13.6°F (-10.2°C). Weather in January »Weather in February
February, the last month of the winter in Glad Valley, is also a subzero cold month, with an average temperature fluctuating between 29.1°F (-1.6°C) and 15.8°F (-9°C). Glad Valley experiences a recorded average high-temperature of a still subzero cold 29.1°F (-1.6°C) in February, closely aligned with January's 27°F (-2.8°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Glad Valley, South Dakota, with an average temperature ranging between min 27.9°F (-2.3°C) and max 43.2°F (6.2°C). Entering March, Glad Valley sees a temperature rise, with the average high-temperature advancing from February's subzero cold 29.1°F (-1.6°C) to a frosty 43.2°F (6.2°C). Weather in March »Weather in April
April is a cool spring month in Glad Valley, South Dakota, with an average temperature fluctuating between 54.3°F (12.4°C) and 37.2°F (2.9°C). The commencement of April sees a shift in the average high-temperature, moving from a frosty 43.2°F (6.2°C) in March to a cool 54.3°F (12.4°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Glad Valley, South Dakota, with an average temperature varying between 47.8°F (8.8°C) and 66°F (18.9°C). With the arrival of May, the average high-temperature transitions from a fresh 54.3°F (12.4°C) in April to a refreshing 66°F (18.9°C). Weather in May »Weather in June
June, the first month of the summer in Glad Valley, is a warm month, with an average temperature varying between 78.6°F (25.9°C) and 58.3°F (14.6°C). The shift into June brings an increase in the average high-temperature, moving from a refreshing 66°F (18.9°C) in May to a moderately hot 78.6°F (25.9°C). Weather in June »Weather in July
July in Glad Valley, South Dakota, is a tropical summer month, with an average temperature varying between 87.3°F (30.7°C) and 66°F (18.9°C). Temperature readings reach their annual highs in July, averaging 87.3°F (30.7°C) and a minimum average of 66°F (18.9°C). The heat index for July is estimated at a hot 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Glad Valley, is also a moderately hot month, with an average temperature fluctuating between 84.7°F (29.3°C) and 64°F (17.8°C). August's arrival brings an average high-temperature of a warm 84.7°F (29.3°C), slightly deviating from July's 87.3°F (30.7°C). Weather in August »Weather in September
September, the first month of the autumn in Glad Valley, is also a moderately hot month, with an average temperature fluctuating between 75.4°F (24.1°C) and 56.3°F (13.5°C). The arrival of September corresponds with a shift in temperature, down from 84.7°F (29.3°C) in August to a still warm 75.4°F (24.1°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Glad Valley, South Dakota, with an average temperature varying between 41.2°F (5.1°C) and 56.7°F (13.7°C). The transition from September to October brings a clear temperature drop, with average high-temperatures decreasing from a warm 75.4°F (24.1°C) to a moderate 56.7°F (13.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Glad Valley, South Dakota, with an average temperature fluctuating between 29.1°F (-1.6°C) and 43.3°F (6.3°C). The start of November signals a decrease in the average high-temperature, transitioning from a refreshing 56.7°F (13.7°C) in October to a chilly 43.3°F (6.3°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Glad Valley, South Dakota, with an average temperature fluctuating between 16.2°F (-8.8°C) and 28.2°F (-2.1°C). December's arrival signals a significant decrease in average high-temperatures, falling from November's frosty 43.3°F (6.3°C) to a subzero cold 28.2°F (-2.1°C). Weather in December »Updated: Jul 6, 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
The coldest temperatures occur during January, when averages reach a peak of 27°F (-2.8°C) and a low of 13.6°F (-10.2°C).
With an average relative humidity of 83%, January is the most humid month.
The month with the least rainfall is January, when the rain falls for 3.3 days and typically collects 0.51" (13mm) of precipitation.
Throughout the year, there are 99.7 rainfall days, and 16.06" (408mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
In Glad Valley, during the entire year, snow falls for 58.3 days and aggregates up to 22.95" (583mm) of snow.
The month with the least sunshine is January, with an average of 4.8h of sunshine.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
February is the month with the most snowfall. Snow falls for 12.2 days and accumulates 5.12" (130mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
May is the month with the most rainfall. Rain falls for 14.7 days and accumulates 2.83" (72mm) of precipitation.
In Glad Valley, snow does not fall in June through September.
With an average of 15h and 36min of daylight, June has the longest days of the year.
During the warmest month in Glad Valley, July, temperatures average a high of 87.3°F (30.7°C) and a low of 66°F (18.9°C).
July has the most sunshine of the year, with an average of 11.5h of sunshine.
The month with the highest UV index is July, with an average maximum UV index of 7.
August and September, with an average relative humidity of 49%, are the least humid months.
The month with the shortest days is December, with an average of 8h and 48min of daylight.
Average temperature
Glad Valley, SD
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (27°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure
Glad Valley, SD
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.04"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:
29.9"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.14"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Glad Valley, SD
- Average wind speed in January:
11.3mph - Average wind speed in February:
10.4mph - Average wind speed in March:
11.2mph - Average wind speed in April:
12.2mph - Average wind speed in May:
11.6mph - Average wind speed in June:
11.1mph
- Average wind speed in July:
10.5mph - Average wind speed in August:
10.4mph - Average wind speed in September:
11.3mph - Average wind speed in October:
12.1mph - Average wind speed in November:
10.9mph - Average wind speed in December:
10.9mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest months (with the lowest average wind speed) are February and August (10.4mph).
Average humidity
Glad Valley, SD
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (49%).
Average rainfall
Glad Valley, SD
- Average rainfall in January:
0.51" - Average rainfall in February:
0.79" - Average rainfall in March:
1.1" - Average rainfall in April:
1.81" - Average rainfall in May:
2.83" - Average rainfall in June:
2.28"
- Average rainfall in July:
1.89" - Average rainfall in August:
1.26" - Average rainfall in September:
0.87" - Average rainfall in October:
1.34" - Average rainfall in November:
0.55" - Average rainfall in December:
0.83"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days
Glad Valley, SD
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
8 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
10.8 days - Average rainfall days in August:
10.8 days - Average rainfall days in September:
7.9 days - Average rainfall days in October:
7.4 days - Average rainfall days in November:
3.4 days - Average rainfall days in December:
4 days
The month with the highest number of rainy days is May (14.7 days).
The months with the least rainy days are January and February (3.3 days).
Average snowfall
Glad Valley, SD
- Average snowfall in January:
3.07" - Average snowfall in February:
5.12" - Average snowfall in March:
4.13" - Average snowfall in April:
3.39" - Average snowfall in May:
0.79" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Glad Valley, SD
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
12.2 days - Average snowfall days in March:
9.3 days - Average snowfall days in April:
5.3 days - Average snowfall days in May:
0.9 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:
2.5 days - Average snowfall days in November:
5.4 days - Average snowfall days in December:
10.4 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Glad Valley, 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:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 0min - 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 48min
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 48min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 42min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
11h and 30min - Average sunshine in August:
11h and 24min - Average sunshine in September:
9h and 42min - Average sunshine in October:
6h and 54min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days
Glad Valley, SD
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
13.4 days
- Average sunshine days in July:
16.6 days - Average sunshine days in August:
17 days - Average sunshine days in September:
20.4 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
17.3 days
The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is April (12.4 days).
Average UV index
Glad Valley, SD
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Glad Valley, SD
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility
Glad Valley, 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).
