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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, the same as December, in Herreid, South Dakota, is another subzero cold winter month, with an average temperature fluctuating between 23°F (-5°C) and 9°F (-12.8°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 23°F (-5°C) and a low of 9°F (-12.8°C). Weather in January »
Weather in February
February, the last month of the winter in Herreid, is also a subzero cold month, with an average temperature fluctuating between 25.2°F (-3.8°C) and 11.7°F (-11.3°C). Entering February, the average high-temperature is recorded at a still subzero cold 25.2°F (-3.8°C), exhibiting a minimal shift from January's 23°F (-5°C). Weather in February »
Weather in March
March, the first month of the spring in Herreid, is an icy month, with an average temperature ranging between max 40.5°F (4.7°C) and min 25.9°F (-3.4°C). The shift from February to March sees a distinct increase in the average high-temperature, escalating from a subzero cold 25.2°F (-3.8°C) to a cold 40.5°F (4.7°C). Weather in March »
Weather in April
April in Herreid, South Dakota, is a fresh spring month, with temperature in the range of an average low of 36.9°F (2.7°C) and an average high of 54.1°F (12.3°C). Herreid's weather in April shows a rise in the average high-temperature, moving up from March's wintry 40.5°F (4.7°C) to a cool 54.1°F (12.3°C). Weather in April »
Weather in May
May, the last month of the spring in Herreid, is a comfortable month, with an average temperature varying between 48.2°F (9°C) and 66.6°F (19.2°C). May sees a temperature increase, moving from a cool 54.1°F (12.3°C) in April to an enjoyable 66.6°F (19.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Herreid, South Dakota, with temperature in the range of an average high of 78.3°F (25.7°C) and an average low of 58.6°F (14.8°C). The start of June brings a shift in the average high-temperature, increasing from May's comfortable 66.6°F (19.2°C) to a moderately hot 78.3°F (25.7°C). Weather in June »
Weather in July
July in Herreid, South Dakota, is a tropical summer month, with an average temperature varying between 86.4°F (30.2°C) and 65.5°F (18.6°C). July is the warmest month of the year, registering average temperatures as high as 86.4°F (30.2°C) and as low as 65.5°F (18.6°C). The heat index value for July is evaluated at a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Herreid, South Dakota, with temperature in the range of an average high of 84.2°F (29°C) and an average low of 63.3°F (17.4°C). The beginning of August records an average high-temperature of a warm 84.2°F (29°C), almost echoing the conditions of the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Herreid, South Dakota, with temperature in the range of an average high of 74.5°F (23.6°C) and an average low of 54.5°F (12.5°C). The onset of September coincides with a reduction in the average high-temperature, falling from a moderately hot 84.2°F (29°C) in August to a still warm 74.5°F (23.6°C). Weather in September »
Weather in October
October, the same as September, in Herreid, South Dakota, is a moderate autumn month, with temperature in the range of an average high of 55.9°F (13.3°C) and an average low of 41.4°F (5.2°C). Witnessing a clear drop in October, the average high-temperature declines from September's warm 74.5°F (23.6°C) to a moderate 55.9°F (13.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a wintry month in Herreid, South Dakota, with an average temperature varying between 28.4°F (-2°C) and 41.5°F (5.3°C). As Herreid transitions into November, a noticeable drop in the average high-temperature is observed, falling from a mild 55.9°F (13.3°C) in October to an icy 41.5°F (5.3°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Herreid, South Dakota, with an average temperature ranging between min 14.4°F (-9.8°C) and max 25.7°F (-3.5°C). As Herreid transitions into December, the average high-temperature shows a marked reduction, decreasing from a cold 41.5°F (5.3°C) in November to a freezing cold 25.7°F (-3.5°C). Weather in December »
Updated: Jul 25, 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 month is the coldest?
January is the coldest month, exhibiting average temperatures of 23°F (-5°C) at the peak and 9°F (-12.8°C) at the base.
What is the most humid month?
With an average relative humidity of 87%, January is the most humid month.
What is the driest month?
January is the month with the least rainfall. Rain falls for 2.3 days and accumulates 0.47" (12mm) of precipitation.
How many days does it rain?
Throughout the year, there are 89.4 rainfall days, and 15.39" (391mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow?
Throughout the year, there are 49.4 snowfall days, and 19.09" (485mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine in Herreid is January, with an average of 4.1h of sunshine.
What is the month with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
When does it snow the most?
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)?
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.
What is the wettest month?
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 Herreid, snow does not fall in June through September.
When are the longest days?
With an average of 15h and 42min of daylight, June has the longest days of the year.
When is the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What are the warmest months?
In Herreid, July records the average highest temperatures, peaking at 86.4°F (30.2°C) and reaching a low of 65.5°F (18.6°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 11.4h of sunshine.
What is the least humid month?
The least humid month is August, with an average relative humidity of 52%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 42min of daylight.
Average temperature
Herreid, 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
Herreid, 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
Herreid, 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
Herreid, SD
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).
Average rainfall
Herreid, 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
Herreid, 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
Herreid, 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
Herreid, 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
Herreid, 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:
15h and 0min - 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 4min
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:
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
Herreid, 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
Herreid, 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
Herreid, 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
Herreid, 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).
Herreid, South Dakota, USA
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