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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, in Hermosa, South Dakota, is a wintry winter month, with an average temperature varying between 32.7°F (0.4°C) and 18°F (-7.8°C). The commencement of January notes an average high-temperature of a still icy 32.7°F (0.4°C), exhibiting little difference from the previous month. Weather in January »
Weather in February
February, the last month of the winter in Hermosa, is another cold month, with an average temperature varying between 17.8°F (-7.9°C) and 33.4°F (0.8°C). The arrival of February is marked by an average high-temperature of a still cold 33.4°F (0.8°C), bearing a close resemblance to January. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Hermosa, South Dakota, with an average temperature fluctuating between 28.8°F (-1.8°C) and 45.5°F (7.5°C). Hermosa's weather in March shows a rise in the average high-temperature, moving up from February's wintry 33.4°F (0.8°C) to a frosty 45.5°F (7.5°C). Weather in March »
Weather in April
April in Hermosa, South Dakota, is a fresh spring month, with an average temperature ranging between max 53.2°F (11.8°C) and min 35.4°F (1.9°C). April marks a minor ascent in the average high-temperature, adjusting from March's frosty 45.5°F (7.5°C) to a cool 53.2°F (11.8°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Hermosa, South Dakota, with an average temperature fluctuating between 45.3°F (7.4°C) and 63.1°F (17.3°C). In May, the average high-temperature increases from a cool 53.2°F (11.8°C) in April to a refreshing 63.1°F (17.3°C). Weather in May »
Weather in June
June, the first month of the summer in Hermosa, is a moderately hot month, with an average temperature varying between 76.5°F (24.7°C) and 55.9°F (13.3°C). The onset of June marks an increase in the average high-temperature, moving from a refreshing 63.1°F (17.3°C) in May to a moderately hot 76.5°F (24.7°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Hermosa, South Dakota, with an average temperature fluctuating between 63.3°F (17.4°C) and 84.7°F (29.3°C). The average temperatures reach their apex in July, averaging 84.7°F (29.3°C) at the high end and 63.3°F (17.4°C) at the low end. The heat index value for July is calculated to be a tropical 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Hermosa, is another warm month, with an average temperature fluctuating between 82.8°F (28.2°C) and 61.5°F (16.4°C). With August's arrival, Hermosa's weather records an average high-temperature of a still warm 82.8°F (28.2°C), marking little difference from July's 84.7°F (29.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Hermosa, South Dakota, with an average temperature fluctuating between 54°F (12.2°C) and 73.9°F (23.3°C). The start of September comes with a small reduction in the average high-temperature, subtly receding from 82.8°F (28.2°C) in August to a still warm 73.9°F (23.3°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Hermosa, South Dakota, with an average temperature varying between 39.9°F (4.4°C) and 56.5°F (13.6°C). The beginning of October signals a clear reduction in the average high-temperature, falling from a moderately hot 73.9°F (23.3°C) in September to a mild 56.5°F (13.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Hermosa, is also a frosty month, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 29.1°F (-1.6°C). November's onset brings a reduction in the average high-temperature, from a refreshing 56.5°F (13.6°C) in October to a chilly 45.1°F (7.3°C). Weather in November »
Weather in December
December, the first month of the winter in Hermosa, is still a cold month, with temperature in the range of an average low of 18.7°F (-7.4°C) and an average high of 32.5°F (0.3°C). The lowest temperatures are recorded in December, with averages reaching a high of 32.5°F (0.3°C) and a low of 18.7°F (-7.4°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Hermosa?
With an average relative humidity of 77%, January is the most humid month.
What is the driest month in Hermosa?
January is the month with the least rainfall in Hermosa. Rain falls for 5.3 days and accumulates 0.43" (11mm) of precipitation.
How much does it rain in Hermosa?
In Hermosa, during the entire year, the rain falls for 118.8 days and collects up to 15.39" (391mm) of precipitation.
When does it snow in Hermosa?
Months with snowfall are January through May, September through December.
How much does it snow in Hermosa?
In Hermosa, during the entire year, snow falls for 50.4 days and aggregates up to 24.41" (620mm) of snow.
What is the month with the lowest UV index in Hermosa?
The months with the lowest UV index in Hermosa, South Dakota, are January, February, November and December, with an average maximum UV index of 2.
What is the month with the least sunshine in Hermosa?
The month with the least sunshine in Hermosa is February, with an average of 5.9h of sunshine.
When is Daylight Saving Time (DST) in Hermosa?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Hermosa, 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 snowiest month in Hermosa?
April is the month with the most snowfall. Snow falls for 5.3 days and accumulates 5.43" (138mm) of snow.
What is the wettest month in Hermosa?
May is the month with the most rainfall. Rain falls for 17.1 days and accumulates 2.28" (58mm) of precipitation.
When it does not snow in Hermosa?
June through August are months without snowfall in Hermosa, South Dakota.
When are the longest days in Hermosa?
June has the longest days of the year in Hermosa, with an average of 15h and 24min of daylight.
When is the highest UV index in Hermosa?
The months with the highest UV index in Hermosa, South Dakota, are June and July, with an average maximum UV index of 6.
What part of the year is the hottest in Hermosa?
Hermosa's temperatures tend to reach their peak averages in July, with a high of 84.7°F (29.3°C) and a low of 63.3°F (17.4°C).
What is the least humid month in Hermosa?
The months with the lowest humidity are August and September, with an average relative humidity of 50%.
What month has the most sunshine in Hermosa?
With an average of 11.8h of sunshine, August has the most sunshine of the year.
What is the coldest time of year in Hermosa?
In Hermosa, South Dakota, the average lowest temperatures are observed in December, with a high of 32.5°F (0.3°C) and a low of 18.7°F (-7.4°C).
What is the month with the shortest days in Hermosa?
With an average of 9h and 0min of daylight, December has the shortest days of the year.
Average temperature
Hermosa, SD
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.5°F).
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure
Hermosa, SD
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.01"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:
29.9"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Hermosa, SD
- Average wind speed in January:
9mph - Average wind speed in February:
9mph - Average wind speed in March:
9.5mph - Average wind speed in April:
10.3mph - Average wind speed in May:
9.8mph - Average wind speed in June:
9.2mph
- Average wind speed in July:
8.4mph - Average wind speed in August:
8.2mph - Average wind speed in September:
9.1mph - Average wind speed in October:
10.1mph - Average wind speed in November:
9.2mph - Average wind speed in December:
8.9mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity
Hermosa, SD
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (50%).
Average rainfall
Hermosa, SD
- Average rainfall in January:
0.43" - Average rainfall in February:
0.67" - Average rainfall in March:
1.14" - Average rainfall in April:
2.24" - Average rainfall in May:
2.28" - Average rainfall in June:
1.73"
- Average rainfall in July:
2.05" - Average rainfall in August:
1.5" - Average rainfall in September:
0.94" - Average rainfall in October:
1.14" - Average rainfall in November:
0.63" - Average rainfall in December:
0.63"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days
Hermosa, SD
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
9.4 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
14 days
- Average rainfall days in July:
13.5 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
7.8 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
5.9 days - Average rainfall days in December:
4.8 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is December (4.8 days).
Average snowfall
Hermosa, SD
- Average snowfall in January:
2.4" - Average snowfall in February:
4.25" - Average snowfall in March:
4.21" - Average snowfall in April:
5.43" - Average snowfall in May:
1.46" - Average snowfall in June:
0"
The month with the highest snowfall is April (5.43").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Hermosa, SD
- Average snowfall days in January:
9.4 days - Average snowfall days in February:
10.5 days - Average snowfall days in March:
7.5 days - Average snowfall days in April:
5.3 days - Average snowfall days in May:
1.3 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:
0.1 days - Average snowfall days in October:
2.6 days - Average snowfall days in November:
5.6 days - Average snowfall days in December:
8.1 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Hermosa, 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 5min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 1min - 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:
6h and 1min - Average sunshine in February:
5h and 5min - Average sunshine in March:
7h and 4min - Average sunshine in April:
9h and 2min - Average sunshine in May:
10h and 1min - Average sunshine in June:
11h and 2min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 5min - Average sunshine in September:
10h and 2min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days
Hermosa, SD
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
11 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
14.5 days - Average sunshine days in September:
19.9 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
19.6 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11 days).
Average UV index
Hermosa, SD
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Hermosa, SD
The months with the most cloud cover are February and April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility
Hermosa, 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).
Hermosa, South Dakota, USA
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