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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a freezing cold winter month in Long Valley, South Dakota, with an average temperature varying between 29.8°F (-1.2°C) and 16.7°F (-8.5°C). Long Valley experiences its lowest temperatures in January, with an average peak of 29.8°F (-1.2°C) and a low of 16.7°F (-8.5°C). Weather in January »
Weather in February
February, the last month of the winter in Long Valley, is a cold month, with temperature in the range of an average high of 32.9°F (0.5°C) and an average low of 18.5°F (-7.5°C). February's presence marks an average high-temperature of a wintry 32.9°F (0.5°C), subtly varied from January's 29.8°F (-1.2°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Long Valley, South Dakota, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 46.8°F (8.2°C). March's arrival signals an increase in average high-temperatures, moving from February's cold 32.9°F (0.5°C) to a frosty 46.8°F (8.2°C). Weather in March »
Weather in April
April is a refreshing spring month in Long Valley, South Dakota, with an average temperature ranging between max 56.5°F (13.6°C) and min 38.7°F (3.7°C). April brings a rise in the average high-temperature, transitioning from March's chilly 46.8°F (8.2°C) to a moderate 56.5°F (13.6°C). Weather in April »
Weather in May
May, the last month of the spring in Long Valley, is a pleasant month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 68.2°F (20.1°C). As May begins, there is an increase in the average high-temperature, moving from a moderate 56.5°F (13.6°C) in April to an agreeable 68.2°F (20.1°C). Weather in May »
Weather in June
June, the first month of the summer in Long Valley, is a warm month, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 81.3°F (27.4°C). The commencement of June sees a shift in the average high-temperature, moving from a pleasant 68.2°F (20.1°C) in May to a moderately hot 81.3°F (27.4°C). Weather in June »
Weather in July
July in Long Valley, South Dakota, is a hot summer month, with temperature in the range of an average low of 68.5°F (20.3°C) and an average high of 89.2°F (31.8°C). July is the warmest month, exhibiting average temperatures of 89.2°F (31.8°C) at the peak and 68.5°F (20.3°C) at the base. In July, the average heat index is evaluated at a hot 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Long Valley, is another tropical month, with an average temperature fluctuating between 87.1°F (30.6°C) and 66.9°F (19.4°C). The average high-temperature for August is a still hot 87.1°F (30.6°C), closely aligning with the temperature of the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Long Valley, is still a warm month, with temperature in the range of an average low of 58.3°F (14.6°C) and an average high of 77.5°F (25.3°C). September involves a decrease in temperature, down from a tropical 87.1°F (30.6°C) in August to a moderately hot 77.5°F (25.3°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Long Valley, South Dakota, with an average temperature varying between 59.2°F (15.1°C) and 43°F (6.1°C). As October arrives, Long Valley's weather displays a notable decrease in high-temperatures, falling from September's warm 77.5°F (25.3°C) to a refreshing 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 Long Valley, South Dakota, with an average temperature ranging between min 31.1°F (-0.5°C) and max 46.4°F (8°C). Long Valley's November weather shows a moderate shift in high-temperatures, falling from October's mild 59.2°F (15.1°C) to a frosty 46.4°F (8°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Long Valley, South Dakota, with an average temperature fluctuating between 30.7°F (-0.7°C) and 18°F (-7.8°C). With the onset of December, Long Valley's average high-temperature experiences a noticeable drop, receding from November's chilly 46.4°F (8°C) to a freezing cold 30.7°F (-0.7°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Long Valley?
Long Valley's January weather, marked by an average high temperature of 29.8°F (-1.2°C) and an average low temperature of 16.7°F (-8.5°C), is the coldest in the year.
What is the most humid month in Long Valley?
January is the most humid month in Long Valley, with an average relative humidity of 81%.
What is the driest month in Long Valley?
The month with the least rainfall is January, when the rain falls for 2.8 days and typically collects 0.39" (10mm) of precipitation.
How much does it rain in Long Valley?
Throughout the year, in Long Valley, there are 95.3 rainfall days, and 13.74" (349mm) of precipitation is accumulated.
When does it snow in Long Valley?
Months with snowfall are January through May, October through December.
How much does it snow in Long Valley?
Throughout the year, there are 38.8 snowfall days, and 16.1" (409mm) of snow is accumulated.
What is the month with the least sunshine in Long Valley?
January and February, with an average of 5.2h of sunshine, are months with the least sunshine.
When does it snow the most in Long Valley?
February is the month with the most snowfall in Long Valley, South Dakota. Snow falls for 8.9 days and accumulates 3.15" (80mm) of snow.
When is Daylight Saving Time (DST) in Long Valley?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Long Valley, South Dakota, 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.
What is the wettest month in Long Valley?
May is the month with the most rainfall. Rain falls for 13.5 days and accumulates 2.09" (53mm) of precipitation.
When it does not snow in Long Valley?
In Long Valley, snow does not fall in June through September.
When are the longest days in Long Valley?
The month with the longest days in Long Valley is June, with an average of 15h and 24min of daylight.
What is the warmest month in Long Valley?
July stands out as Long Valley's warmest month, with an average high-temperature of 89.2°F (31.8°C) and a low-temperature of 68.5°F (20.3°C).
What is the month with the highest UV index in Long Valley?
With an average maximum UV index of 7, July is the month with the highest UV index in Long Valley, South Dakota.
What month has the most sunshine in Long Valley?
August has the most sunshine of the year in Long Valley, with an average of 11.7h of sunshine.
What is the least humid month in Long Valley?
With an average relative humidity of 47%, September is the least humid month in Long Valley.
What is the month with the shortest days in Long Valley?
December has the shortest days of the year, with an average of 9h and 0min of daylight.
What is the month with the lowest UV index in Long Valley?
December is the month with the lowest UV index in Long Valley, South Dakota, with an average maximum UV index of 1.
Average temperature
Long Valley, SD
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (29.8°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure
Long Valley, SD
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.85"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:
29.99"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Long Valley, SD
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.1mph - Average wind speed in March:
11mph - Average wind speed in April:
12.1mph - Average wind speed in May:
11.3mph - Average wind speed in June:
10.7mph
- Average wind speed in July:
10.3mph - Average wind speed in August:
10.2mph - Average wind speed in September:
11.1mph - Average wind speed in October:
11.5mph - Average wind speed in November:
10.5mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is February (10.1mph).
Average humidity
Long Valley, SD
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (47%).
Average rainfall
Long Valley, SD
- Average rainfall in January:
0.39" - Average rainfall in February:
0.55" - Average rainfall in March:
1.14" - Average rainfall in April:
1.57" - Average rainfall in May:
2.09" - Average rainfall in June:
1.69"
- Average rainfall in July:
1.81" - Average rainfall in August:
1.18" - Average rainfall in September:
0.91" - Average rainfall in October:
1.14" - Average rainfall in November:
0.55" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days
Long Valley, SD
- Average rainfall days in January:
2.8 days - Average rainfall days in February:
2.6 days - Average rainfall days in March:
6.5 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
12.4 days - Average rainfall days in August:
10.8 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
7.2 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 May (13.5 days).
The month with the least rainy days is February (2.6 days).
Average snowfall
Long Valley, SD
- Average snowfall in January:
2.09" - Average snowfall in February:
3.15" - Average snowfall in March:
3.07" - Average snowfall in April:
2.13" - Average snowfall in May:
0.75" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Long Valley, SD
- Average snowfall days in January:
8.4 days - Average snowfall days in February:
8.9 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.6 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:
1.5 days - Average snowfall days in November:
4 days - Average snowfall days in December:
6.9 days
The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Long Valley, SD
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - 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:
5h and 1min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 5min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 5min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 4min - Average sunshine in September:
9h and 5min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days
Long Valley, SD
- Average sunshine days in January:
20.6 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
18.6 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
15 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
15.5 days - Average sunshine days in August:
16.7 days - Average sunshine days in September:
18.8 days - Average sunshine days in October:
20.4 days - Average sunshine days in November:
20.8 days - Average sunshine days in December:
21.1 days
The month with the most sunshine days is December (21.1 days).
The months with the least sunshine days are April and June (14.1 days).
Average UV index
Long Valley, SD
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Long Valley, SD
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility
Long 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).
Long Valley, South Dakota, USA
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