Climate and monthly weather forecastWhite Rock, SD
Climate and monthly weather forecast
Weather in January
January, the same as December, in White Rock, South Dakota, is a freezing cold winter month, with temperature in the range of an average high of 18.7°F (-7.4°C) and an average low of 4.8°F (-15.1°C). White Rock's January weather reaches an average high of 18.7°F (-7.4°C) and an average low of 4.8°F (-15.1°C), making it the coldest month. Weather in January »Weather in February
February, the last month of the winter in White Rock, is also a subzero cold month, with an average temperature ranging between max 21.7°F (-5.7°C) and min 7.9°F (-13.4°C). The arrival of February brings an average high-temperature of a still subzero cold 21.7°F (-5.7°C), subtly diverging from January's 18.7°F (-7.4°C). Weather in February »Weather in March
March, the first month of the spring in White Rock, is a cold month, with an average temperature fluctuating between 23.7°F (-4.6°C) and 37.6°F (3.1°C). White Rock's March weather is marked by a distinct rise in high-temperatures, escalating from a freezing cold 21.7°F (-5.7°C) in February to a wintry 37.6°F (3.1°C). Weather in March »Weather in April
April is a fresh spring month in White Rock, South Dakota, with an average temperature fluctuating between 37°F (2.8°C) and 53.1°F (11.7°C). The arrival of April brings a significant change in White Rock's weather, with average high-temperatures climbing from March's cold 37.6°F (3.1°C) to a fresh 53.1°F (11.7°C). Weather in April »Weather in May
May, the last month of the spring in White Rock, is a refreshing month, with an average temperature ranging between max 66.7°F (19.3°C) and min 48.9°F (9.4°C). As White Rock transitions into May, a rise in the average high-temperature is observed, moving from a fresh 53.1°F (11.7°C) in April to an enjoyable 66.7°F (19.3°C). Weather in May »Weather in June
June, the first month of the summer in White Rock, is a warm month, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 75.7°F (24.3°C). The average high-temperature increases in June, moving from a comfortable 66.7°F (19.3°C) in May to a moderately hot 75.7°F (24.3°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in White Rock, South Dakota, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 62.1°F (16.7°C). The warmest period is usually observed in July and August, with the average high-temperature peaking at 81.3°F (27.4°C). July's heat index is estimated at a hot 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in White Rock, South Dakota, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 59.5°F (15.3°C). July and August represent the warmest period, with an average high-temperature of 81.3°F (27.4°C). During August, the heat index is estimated at 84.2°F (29°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in White Rock, South Dakota, with an average temperature varying between 52.9°F (11.6°C) and 73.2°F (22.9°C). September's arrival aligns with a minor decrease in average high-temperatures, from August's warm 81.3°F (27.4°C) to a pleasant 73.2°F (22.9°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in White Rock, South Dakota, with temperature in the range of an average low of 40.8°F (4.9°C) and an average high of 55.4°F (13°C). October marks a distinct drop in the average high-temperature, descending from September's pleasant 73.2°F (22.9°C) to a refreshing 55.4°F (13°C). Weather in October »Weather in November
November, the last month of the autumn in White Rock, is also a wintry month, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 27.5°F (-2.5°C). White Rock, South Dakota, in November experiences a marked decrease in the average high-temperature, descending from October's refreshing 55.4°F (13°C) to a wintry 40.1°F (4.5°C). Weather in November »Weather in December
December, the first month of the winter in White Rock, is still a freezing cold month, with temperature in the range of an average low of 12.7°F (-10.7°C) and an average high of 23.9°F (-4.5°C). White Rock sees a considerable decrease in average high-temperatures during December, falling from a cold 40.1°F (4.5°C) in November to a subzero cold 23.9°F (-4.5°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
The month of January sees the average lowest temperatures in White Rock, South Dakota, reaching 18.7°F (-7.4°C) at the peak and 4.8°F (-15.1°C) at the low.
With an average relative humidity of 89%, January is the most humid month in White Rock, South Dakota.
Throughout the year, in White Rock, there are 102 rainfall days, and 19.17" (487mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
In White Rock, during the entire year, snow falls for 54.3 days and aggregates up to 19.17" (487mm) of snow.
With an average of 3.4h of sunshine, January has the least sunshine of the year.
The months with the lowest UV index in White Rock are January and December, with an average maximum UV index of 1.
The month with the least rainfall in White Rock, South Dakota, is February, when the rain falls for 2 days and typically collects 0.55" (14mm) of precipitation.
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.
The wettest months in White Rock, South Dakota, are June and July, with an average 3.03" (77mm) of rainfall.
June through September are months without snowfall in White Rock, South Dakota.
With an average of 15h and 42min of daylight, June has the longest days of the year in White Rock, South Dakota.
June and July, with an average maximum UV index of 6, are months with the highest UV index in White Rock, South Dakota.
July and August are known as White Rock's warmest months, with an average high-temperature of 81.3°F (27.4°C).
July has the most sunshine of the year, with an average of 10.8h of sunshine.
The least humid month in White Rock, South Dakota, is September, with an average relative humidity of 65%.
The month with the most snowfall in White Rock, South Dakota, is December, when snow falls for 11.5 days and typically aggregates up to 4.45" (113mm) of snow.
December has the shortest days of the year in White Rock, South Dakota, with an average of 8h and 42min of daylight.
Average temperature
White Rock, SD
The warmest months (with the highest average high temperature) are July and August (81.3°F).
The month with the lowest average high temperature is January (18.7°F).
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure
White Rock, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.12"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
White Rock, SD
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9.6mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
8mph - 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:
10.1mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity
White Rock, SD
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).
Average rainfall
White Rock, SD
- Average rainfall in January:
0.59" - Average rainfall in February:
0.55" - Average rainfall in March:
1.1" - Average rainfall in April:
1.65" - Average rainfall in May:
2.52" - Average rainfall in June:
3.03"
- Average rainfall in July:
3.03" - Average rainfall in August:
1.73" - Average rainfall in September:
1.54" - Average rainfall in October:
1.81" - Average rainfall in November:
0.67" - Average rainfall in December:
0.94"
The wettest months (with the highest rainfall) are June and July (3.03").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days
White Rock, SD
- Average rainfall days in January:
2.7 days - Average rainfall days in February:
2 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
14.2 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
11.6 days - Average rainfall days in August:
10.6 days - Average rainfall days in September:
8.9 days - Average rainfall days in October:
9 days - Average rainfall days in November:
5 days - Average rainfall days in December:
3.7 days
The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2 days).
Average snowfall
White Rock, SD
- Average snowfall in January:
3.62" - Average snowfall in February:
3.35" - Average snowfall in March:
2.95" - Average snowfall in April:
2.32" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
White Rock, SD
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
10.9 days - Average snowfall days in March:
7.5 days - Average snowfall days in April:
3.9 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:
1.8 days - Average snowfall days in November:
6.3 days - Average snowfall days in December:
11.5 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
White Rock, SD
- Average daylight in January:
9h and 6min - 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 24min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 6min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days
White Rock, SD
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
14.4 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
17.6 days - Average sunshine days in August:
17.9 days - Average sunshine days in September:
19.5 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
18.6 days - Average sunshine days in December:
17.6 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is June (12.4 days).
Average UV index
White Rock, SD
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
White Rock, SD
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility
White Rock, SD
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
