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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 Selby, South Dakota, with an average temperature varying between 23°F (-5°C) and 9°F (-12.8°C). January is the month when Selby experiences its coldest temperatures, averaging a high of 23°F (-5°C) and a low of 9°F (-12.8°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Selby, South Dakota, with an average temperature fluctuating between 25.2°F (-3.8°C) and 11.7°F (-11.3°C). The transition into February marks the average high-temperature at a still freezing cold 25.2°F (-3.8°C), differing minimally from January's 23°F (-5°C). Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Selby, South Dakota, with an average temperature fluctuating between 25.9°F (-3.4°C) and 40.5°F (4.7°C). Selby's weather experiences a significant temperature rise with the arrival of March, soaring from a freezing cold 25.2°F (-3.8°C) in February to an icy 40.5°F (4.7°C). Weather in March »
Weather in April
April in Selby, South Dakota, is a cool spring month, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 36.9°F (2.7°C). As March transitions into April, Selby sees a rise in the average high-temperature, moving from a cold 40.5°F (4.7°C) to a fresh 54.1°F (12.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Selby, South Dakota, with temperature in the range of an average high of 66.6°F (19.2°C) and an average low of 48.2°F (9°C). Selby in May shows a temperature shift, moving from an average high of a cool 54.1°F (12.3°C) in April to a comfortable 66.6°F (19.2°C). Weather in May »
Weather in June
June, the first month of the summer in Selby, is a warm month, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 78.3°F (25.7°C). With the onset of June, Selby's average high-temperature experiences a rise, moving from May's comfortable 66.6°F (19.2°C) to a warm 78.3°F (25.7°C). Weather in June »
Weather in July
July is a tropical summer month in Selby, South Dakota, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 86.4°F (30.2°C). In Selby, July is identified by the highest average temperatures, reaching a peak of 86.4°F (30.2°C) and a low of 65.5°F (18.6°C). July's heat index is calculated to be a hot 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Selby, South Dakota, with an average temperature fluctuating between 63.3°F (17.4°C) and 84.2°F (29°C). The advent of August brings an average high-temperature of a moderately hot 84.2°F (29°C), almost identical to the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Selby, South Dakota, with an average temperature fluctuating between 54.5°F (12.5°C) and 74.5°F (23.6°C). A moderate decline in the average high-temperature is seen during September, decreasing from 84.2°F (29°C) in August to a still moderately hot 74.5°F (23.6°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Selby, South Dakota, with an average temperature ranging between max 55.9°F (13.3°C) and min 41.4°F (5.2°C). Selby's weather in October is characterized by a distinct drop in the average high-temperature, reducing from a moderately hot 74.5°F (23.6°C) in September to a moderate 55.9°F (13.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Selby, is also a wintry month, with temperature in the range of an average high of 41.5°F (5.3°C) and an average low of 28.4°F (-2°C). Selby's weather experiences a significant temperature drop with the arrival of November, falling from a refreshing 55.9°F (13.3°C) in October to a wintry 41.5°F (5.3°C). Weather in November »
Weather in December
December, the first month of the winter in Selby, is also a subzero cold month, with an average temperature fluctuating between 25.7°F (-3.5°C) and 14.4°F (-9.8°C). The shift into December is marked by a noticeable reduction in the average high-temperature, decreasing from November's cold 41.5°F (5.3°C) to a freezing cold 25.7°F (-3.5°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
What time of the year is the coldest in Selby?
With an average high-temperature of 23°F (-5°C) and an average low-temperature of 9°F (-12.8°C), January is the coldest month in Selby.
What is the most humid month in Selby?
January is the most humid month in Selby, with an average relative humidity of 87%.
What is the driest month in Selby?
The month with the least rainfall in Selby, South Dakota, is January, when the rain falls for 2.3 days and typically collects 0.47" (12mm) of precipitation.
How much does it rain in Selby?
In Selby, during the entire year, the rain falls for 89.4 days and collects up to 15.39" (391mm) of precipitation.
When does it snow in Selby?
January through May, October through December are months with snowfall.
How many days does it snow in Selby?
In Selby, during the entire year, snow falls for 49.4 days and aggregates up to 19.09" (485mm) of snow.
What is the month with the least sunshine in Selby?
The month with the least sunshine in Selby is January, with an average of 4.1h of sunshine.
When is the lowest UV index in Selby?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the snowiest month in Selby?
February is the month with the most snowfall. Snow falls for 10.3 days and accumulates 3.98" (101mm) of snow.
When is Daylight Saving Time (DST) in Selby?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Selby, 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.
What is the wettest month in Selby?
The month with the most rainfall is June, when the rain falls for 13.8 days and typically aggregates up to 2.32" (59mm) of precipitation.
When it does not snow in Selby?
June through September are months without snowfall in Selby.
When are the longest days in Selby?
With an average of 15h and 36min of daylight, June has the longest days of the year.
What are the months with the highest UV index in Selby?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Selby, South Dakota.
What time of the year is the hottest in Selby?
In Selby, July is known for its average highest temperatures, reaching a high of 86.4°F (30.2°C) and a low of 65.5°F (18.6°C).
What month has the most sunshine in Selby?
July has the most sunshine of the year, with an average of 11.4h of sunshine.
What is the least humid month in Selby?
The least humid month in Selby, South Dakota, is August, with an average relative humidity of 52%.
What is the month with the shortest days in Selby?
December has the shortest days of the year, with an average of 8h and 48min of daylight.
Average temperature
Selby, SD
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure
Selby, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.95"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:
30.05"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Selby, SD
- Average wind speed in January:
10mph - Average wind speed in February:
9.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
11.5mph - Average wind speed in May:
10.8mph - Average wind speed in June:
10.4mph
- Average wind speed in July:
9.8mph - Average wind speed in August:
9.5mph - Average wind speed in September:
11.1mph - Average wind speed in October:
11.4mph - Average wind speed in November:
10.2mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).
Average humidity
Selby, SD
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).
Average rainfall
Selby, SD
- Average rainfall in January:
0.47" - Average rainfall in February:
0.67" - Average rainfall in March:
0.98" - Average rainfall in April:
1.57" - Average rainfall in May:
2.28" - Average rainfall in June:
2.32"
- Average rainfall in July:
2.09" - Average rainfall in August:
1.18" - Average rainfall in September:
1.18" - Average rainfall in October:
1.38" - Average rainfall in November:
0.59" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days
Selby, SD
- Average rainfall days in January:
2.3 days - Average rainfall days in February:
1.3 days - Average rainfall days in March:
6.3 days - Average rainfall days in April:
10.4 days - Average rainfall days in May:
13.2 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
11 days - Average rainfall days in August:
10.4 days - Average rainfall days in September:
7.1 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
3.4 days - Average rainfall days in December:
2.7 days
The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).
Average snowfall
Selby, SD
- Average snowfall in January:
2.87" - Average snowfall in February:
3.98" - Average snowfall in March:
3.11" - Average snowfall in April:
2.8" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Selby, SD
- Average snowfall days in January:
11.8 days - Average snowfall days in February:
10.3 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
3.6 days - Average snowfall days in May:
0.3 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:
4.5 days - Average snowfall days in December:
9.5 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Selby, SD
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h and 5min
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 1min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
11h and 2min - Average sunshine in August:
10h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 3min
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 6min).
Average sunshine days
Selby, SD
- Average sunshine days in January:
18 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
15.5 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
16.7 days - Average sunshine days in August:
18 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
21 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
20.1 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).
Average UV index
Selby, SD
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Selby, SD
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility
Selby, SD
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Selby, South Dakota, USA
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