Climate and monthly weather forecastWhite River, SD
Climate and monthly weather forecast
Weather in January
January, the same as December, in White River, South Dakota, is a freezing cold winter month, with an average temperature varying between 28.8°F (-1.8°C) and 15.6°F (-9.1°C). The lowest temperatures are recorded in January, with averages reaching a high of 28.8°F (-1.8°C) and a low of 15.6°F (-9.1°C). Weather in January »Weather in February
February, the last month of the winter in White River, is a cold month, with temperature in the range of an average high of 32.5°F (0.3°C) and an average low of 18.1°F (-7.7°C). White River's entry into February measures an average high-temperature of a wintry 32.5°F (0.3°C), closely parallel to the preceding month. Weather in February »Weather in March
March, the first month of the spring in White River, is a frosty month, with an average temperature ranging between min 30.6°F (-0.8°C) and max 46.6°F (8.1°C). March brings a temperature change, with average high-temperatures moving from February's icy 32.5°F (0.3°C) to a chilly 46.6°F (8.1°C). Weather in March »Weather in April
April is a refreshing spring month in White River, South Dakota, with an average temperature ranging between max 56.7°F (13.7°C) and min 39.2°F (4°C). April brings a rise in White River's average high-temperature, moving from a frosty 46.6°F (8.1°C) in March to a refreshing 56.7°F (13.7°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in White River, South Dakota, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 67.8°F (19.9°C). May's arrival signals an increase in average high-temperatures, moving from April's moderate 56.7°F (13.7°C) to a comfortable 67.8°F (19.9°C). Weather in May »Weather in June
June, the first month of the summer in White River, is a moderately hot month, with temperature in the range of an average low of 61°F (16.1°C) and an average high of 80.2°F (26.8°C). June's onset is marked by a temperature increase, moving from an enjoyable 67.8°F (19.9°C) in May to a moderately hot 80.2°F (26.8°C). Weather in June »Weather in July
July is a tropical summer month in White River, South Dakota, with an average temperature ranging between max 88°F (31.1°C) and min 66.7°F (19.3°C). With an average high-temperature of 88°F (31.1°C) and an average low-temperature of 66.7°F (19.3°C), July is the warmest month. The heat index value for July is calculated to be a very hot 95°F (35°C). Weather in July »Weather in August
August, the last month of the summer in White River, is also a moderately hot month, with an average temperature fluctuating between 85.8°F (29.9°C) and 63.9°F (17.7°C). Entering August, the average high-temperature is recorded at a warm 85.8°F (29.9°C), exhibiting a minimal shift from July's 88°F (31.1°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in White River, South Dakota, with an average temperature fluctuating between 76.6°F (24.8°C) and 56.3°F (13.5°C). September weather is marked by a drop in the average high-temperature, falling from 85.8°F (29.9°C) in August to a still moderately hot 76.6°F (24.8°C). Weather in September »Weather in October
October, the same as September, in White River, South Dakota, is another refreshing autumn month, with an average temperature ranging between max 59.2°F (15.1°C) and min 42.8°F (6°C). October indicates a noticeable reduction in the average high-temperature, moving down from a moderately hot 76.6°F (24.8°C) in September to a moderate 59.2°F (15.1°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in White River, South Dakota, with an average temperature fluctuating between 46.6°F (8.1°C) and 31.1°F (-0.5°C). A change in temperatures is noted as October gives way to November, with average highs reducing from a mild 59.2°F (15.1°C) to a frosty 46.6°F (8.1°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in White River, South Dakota, with an average temperature fluctuating between 31.1°F (-0.5°C) and 18.3°F (-7.6°C). With the onset of December, White River's average high-temperature experiences a noticeable drop, receding from November's frosty 46.6°F (8.1°C) to a freezing cold 31.1°F (-0.5°C). Weather in December »Updated: Jul 26, 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
White River's coldest month, January, registers temperatures that range from a high of 28.8°F (-1.8°C) to a low of 15.6°F (-9.1°C).
January is the most humid month in White River, with an average relative humidity of 82%.
January is the month with the least rainfall in White River. Rain falls for 2.7 days and accumulates 0.47" (12mm) of precipitation.
Throughout the year, there are 103.9 rainfall days, and 16.85" (428mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
Throughout the year, in White River, there are 39.7 snowfall days, and 14.45" (367mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 4.9h of sunshine.
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 15.3 days and accumulates 2.8" (71mm) of precipitation.
June through September are months without snowfall.
The month with the longest days in White River is June, with an average of 15h and 24min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
In White River, the peak temperatures are generally noted in July, averaging a high of 88°F (31.1°C) and a low of 66.7°F (19.3°C).
With an average of 11.4h of sunshine, July has the most sunshine of the year.
The months with the lowest humidity are August and September, with an average relative humidity of 57%.
The month with the most snowfall is December, when snow falls for 8 days and typically aggregates up to 3.19" (81mm) of snow.
The month with the shortest days is December, with an average of 9h and 0min of daylight.
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
White River, SD
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure
White River, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.04"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
White River, SD
- Average wind speed in January:
11.1mph - Average wind speed in February:
10.6mph - Average wind speed in March:
11.2mph - Average wind speed in April:
11.9mph - Average wind speed in May:
11mph - Average wind speed in June:
10.3mph
- Average wind speed in July:
9.9mph - Average wind speed in August:
9.8mph - Average wind speed in September:
10.7mph - Average wind speed in October:
11.6mph - 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 (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity
White River, SD
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).
Average rainfall
White River, SD
- Average rainfall in January:
0.47" - Average rainfall in February:
0.51" - Average rainfall in March:
1.22" - Average rainfall in April:
1.77" - Average rainfall in May:
2.6" - Average rainfall in June:
2.8"
- Average rainfall in July:
2.09" - Average rainfall in August:
1.46" - Average rainfall in September:
1.34" - Average rainfall in October:
1.3" - Average rainfall in November:
0.51" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days
White River, SD
- Average rainfall days in January:
2.7 days - Average rainfall days in February:
2.7 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
12.9 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
8 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall
White River, SD
- Average snowfall in January:
2.64" - Average snowfall in February:
2.52" - Average snowfall in March:
2.28" - Average snowfall in April:
1.73" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
White River, SD
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
8 days - Average snowfall days in March:
5.6 days - Average snowfall days in April:
2.8 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:
1.6 days - Average snowfall days in November:
3.9 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
White River, 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 54min - Average sunshine in February:
6h and 6min - Average sunshine in March:
7h and 6min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 24min - 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:
9h and 0min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 12min
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 54min).
Average sunshine days
White River, SD
- Average sunshine days in January:
19.7 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
17.9 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
14 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
20 days - Average sunshine days in November:
20.8 days - Average sunshine days in December:
20.2 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index
White River, SD
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
White River, SD
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility
White River, 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).
