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Contents
- The climate of Edgemont
- The best time to visit Edgemont
- The worst time to visit Edgemont
- Spring weather in Edgemont
- Summer weather in Edgemont
- Autumn weather in Edgemont
- Winter weather in Edgemont
- 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
The climate of Edgemont
Located in South Dakota, USA, Edgemont presents a climate classified as BSk according to the Köppen climate classification. This translates to a mid-latitude steppe climate with moderate levels of precipitation and marked temperature variations. Throughout the year, ambient temperatures oscillate from 18.5°F (-7.5°C) observed during winter to 86°F (30°C) in the hot summer months.
Evaluation of weather data confirms that humidity in Edgemont varies from 47% to 75% from August to January. Relatively low humidity levels are seen during summer and fall, with the least humid month being August (47%) and the most humid month being January (75%). Precipitation shows a different trend. It ranges from 0.55" (14mm) in the months of November and December to 2.87" (73mm) during June. Higher precipitation levels are particularly seen from April to June.
Speaking of unique weather conditions, an absence of snowfall from June to September is noted, while the heaviest snowfall of 3.66" (93mm) is witnessed in February. The weather in Edgemont also experiences changes in other parameters including daylight hours, cloud%, pressure, and wind speed. Daylight hours peak at 15.4 hours in June, and are at their shortest in December with just 9 hours. The wind speed ranges from 7.8mph (12.6km/h) to 9.9mph (15.9km/h) from August to April respectively.
Evaluation of weather data confirms that humidity in Edgemont varies from 47% to 75% from August to January. Relatively low humidity levels are seen during summer and fall, with the least humid month being August (47%) and the most humid month being January (75%). Precipitation shows a different trend. It ranges from 0.55" (14mm) in the months of November and December to 2.87" (73mm) during June. Higher precipitation levels are particularly seen from April to June.
Speaking of unique weather conditions, an absence of snowfall from June to September is noted, while the heaviest snowfall of 3.66" (93mm) is witnessed in February. The weather in Edgemont also experiences changes in other parameters including daylight hours, cloud%, pressure, and wind speed. Daylight hours peak at 15.4 hours in June, and are at their shortest in December with just 9 hours. The wind speed ranges from 7.8mph (12.6km/h) to 9.9mph (15.9km/h) from August to April respectively.
The best time to visit Edgemont
For many, June to August represents the best time to visit Edgemont. During this period, temperatures fluctuate between 62.1°F (16.7°C) to 86°F (30°C), providing warm yet comfortable conditions. The daylight hours soar and reach up to 15.4 hours in June making it the most sunny month of the year with approximately 11.6 hours of sunshine per day. Humidity is at its lowest, and the UV index is at six, suggesting a moderate risk of harm from unprotected sun exposure.
The worst time to visit Edgemont
The months of January and February might be considered less favorable for a visit. The temperatures dip and often range between 18.5°F (-7.5°C) to 34.3°F (1.3°C), making it chilly for outdoor activities. Plus, the UV index is low at two, limiting chances for sunbathing. Add to this, February is the month with the heaviest snowfall of 3.66" (93mm) and highest snowfall days of 10.4.
Spring weather in Edgemont
The spring season in Edgemont consists of March to May. The temperature in these months improves gradually from 29.1°F (-1.6°C) to 64.9°F (18.3°C). The precipitation rate also begins to increase, elevating particularly in May to reach 2.64" (67mm). An interesting characteristic of spring in Edgemont is the increase in the number of daylight hours which rise to about 14.7 hours in May.
Summer weather in Edgemont
The summer season in Edgemont spans from June to August. This is when Edgemont experiences the hottest weather with temperatures reaching up to 86°F (30°C). However, it's balanced by the lowest relative humidity recorded in August (47%). Rainfall during this period varies, but stays under the annual high. However, these months are most cherished for the ample sunlight, offering an average of 15.2 hours of daylight per day and maximum sunshine hours of 11.8.
Autumn weather in Edgemont
Autumn arrives in Edgemont in September and lasts until November. In these months, temperatures subtly cool down from 75.2°F (24°C) to 45.5°F (7.5°C). The rainfall decreases to 1.14" (29mm) in September, remaining modest until November where it records its low of 0.55" (14mm). The daylight hours also lessen, decreasing from 11.4 in September to 9.7 in November. Cloud% starts to rise from 19% in September to 29% in November.
Winter weather in Edgemont
Edgemont’s winter covers December through February. This is the coldest season with temperatures ranging from 18.5°F (-7.5°C) to 34.3°F (1.3°C). Rainfall in winter is the least compared to other seasons, with levels dropping to 0.55" (14mm) in December. Furthermore, during this period, snowfall is frequent and amasses up to 3.66" (93mm) in February. Despite the cold weather and heavy snowfall, the sunshine days are high, reaching up to 21.4 in December, the highest in the year.
Weather in January
The year begins with some of the coldest temperatures in Edgemont, South Dakota, as winter engulfs the small town. High levels of occasionally snowfall combined with scattered rainfall days and elevated humidity lead to frosty conditions. Weather in January »
Weather in February
Wintry conditions persist in February, with the temperatures rising slightly from the previous month. The frosty mornings give way to partly cloudy afternoons, and the increased wind speed of 9.1mph (14.6km/h) adds a further chill to the air. Weather in February »
Weather in March
As March arrives, the weather begins to transition from winter to spring. The temperatures rise significantly and longer daylight hours become noticeable, welcoming the spring equinox. Despite the melting snow, the month remains relatively damp due to frequent rain showers. Weather in March »
Weather in April
April in Edgemont brings an appreciable warming trend, although morning frost may still appear due to low temperatures. With predominant rainfall, the town’s scenery switches from the stark white snow to a vibrant green. A steady rise in temperatures along with longer daylight hours indicate the full arrival of spring. Weather in April »
Weather in May
May marks the onset of warmer weather, and the landscapes of Edgemont are awash with the colours of spring. The increased humidity amplifies the warmer temperature, adding to the sensation of the changing season. An uptick in daylight hours manifests as extended sunny afternoons, perfect for outdoor activities. Weather in May »
Weather in June
June in Edgemont denotes the commencement of summer with longer days and ample sunshine. The temperature continues to climb, with milder nights and hot days becoming more common. Despite the rising heat, rainfall remains moderate, ensuring the landscapes remain lush and vibrant. Weather in June »
Weather in July
July is the warmest month in Edgemont, with the highest temperature and lowest humidity. Typically sunny with clear skies, the month sees a decrease in rainfall frequency. The average wind speed helps dissipate some of the accumulated heat, providing slight relief during extra hot days. Weather in July »
Weather in August
In August, residents of Edgemont still experience summer’s heat, though slightly less intense than in July. The average high dips subtly, signalling the approach of the end of summer. Dry and hot weather continues with sporadic rainfall that adds a slight reprieve to the seasonal heat. Weather in August »
Weather in September
September in Edgemont brings a noticeable cooling of temperature, marking the transition from summer to autumn. This period sees a reduction in rainfall and a noticeable increase in wind speed. The decreased daylight hours and the dropping temperatures hint at the forthcoming fall. Weather in September »
Weather in October
October in Edgemont is characterized by the autumnal fall, with vibrant foliage, shorter days, and a significant reduction in temperature. The month remains relatively dry, with minimal rainfall and low humidity, causing the lush summer landscapes to transform into a palette of gold, orange, and red. Weather in October »
Weather in November
November marks the beginning of the winter season in Edgemont. The sharp drop in temperatures, increase in snowfall, and shorter daylight hours all signal the transition to the colder months. At this time of year, the town's landscapes shift from the vibrant colours of fall to the stark beauty of winter. Weather in November »
Weather in December
December in Edgemont is categorized by plummeting temperatures, elevated snowfall and the least amount of daylight hours. With the holiday season in full swing, the town becomes a winter wonderland. Icy conditions persist throughout the month, with infrequent bright sunny days providing a glimmer of warmth. Weather in December »
Updated: Jul 23, 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 is the most humid month?
January is the most humid month, with an average relative humidity of 75%.
What is the driest month?
January is the month with the least rainfall in Edgemont. Rain falls for 4 days and accumulates 0.39" (10mm) of precipitation.
How many days does it rain?
Throughout the year, there are 115.8 rainfall days, and 16.61" (422mm) of precipitation is accumulated.
When does it snow?
January through May, September through December are months with snowfall.
How much does it snow?
In Edgemont, during the entire year, snow falls for 49.2 days and aggregates up to 23.19" (589mm) of snow.
What are the months with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 10.4 days and typically aggregates up to 3.66" (93mm) of snow.
What is the month with the least sunshine?
With an average of 5.8h of sunshine, February has the least sunshine of the year.
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 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?
June is the month with the most rainfall. Rain falls for 15.2 days and accumulates 2.87" (73mm) of precipitation.
When it does not snow?
In Edgemont, snow does not fall in June through August.
When are the longest days?
June has the longest days of the year, with an average of 15h and 18min of daylight.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What part of the year is the hottest?
July is the month when Edgemont sees the average highest temperatures, with a high of 86°F (30°C) and a low of 63.9°F (17.7°C).
What is the least humid month?
With an average relative humidity of 47%, August is the least humid month.
What month has the most sunshine?
The month with the most sunshine in Edgemont is August, with an average of 11.8h of sunshine.
What are the coldest months?
The coldest temperatures occur during December, when averages reach a peak of 32.4°F (0.2°C) and a low of 18.5°F (-7.5°C).
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 0min of daylight.
Average temperature
Edgemont, SD
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (32.4°F).
The month with the highest average low temperature is July (63.9°F).
The coldest months (with the lowest average low temperature) are February and December (18.5°F).
Average pressure
Edgemont, SD
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
29.99"Hg - Average pressure in April:
29.91"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:
30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Edgemont, SD
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.1mph - Average wind speed in March:
9.2mph - Average wind speed in April:
9.9mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
8.3mph - Average wind speed in August:
7.8mph - Average wind speed in September:
8.8mph - Average wind speed in October:
9.3mph - Average wind speed in November:
8.9mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity
Edgemont, SD
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is August (47%).
Average rainfall
Edgemont, SD
- Average rainfall in January:
0.39" - Average rainfall in February:
0.59" - Average rainfall in March:
0.94" - Average rainfall in April:
1.81" - Average rainfall in May:
2.64" - Average rainfall in June:
2.87"
- Average rainfall in July:
2.24" - Average rainfall in August:
1.77" - Average rainfall in September:
1.14" - Average rainfall in October:
1.1" - Average rainfall in November:
0.55" - Average rainfall in December:
0.55"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days
Edgemont, SD
- Average rainfall days in January:
4 days - Average rainfall days in February:
4.7 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
15.7 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
9.3 days - Average rainfall days in October:
7.9 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is December (3.5 days).
Average snowfall
Edgemont, SD
- Average snowfall in January:
2.56" - Average snowfall in February:
3.66" - Average snowfall in March:
2.99" - Average snowfall in April:
3.43" - Average snowfall in May:
1.77" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Edgemont, SD
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
10.4 days - Average snowfall days in March:
6.7 days - Average snowfall days in April:
4.8 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:
2.5 days - Average snowfall days in November:
6.5 days - Average snowfall days in December:
8.1 days
The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Edgemont, 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 2min - 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 18min).
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 3min - Average sunshine in May:
9h and 5min - Average sunshine in June:
11h and 1min
- 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 1min - Average sunshine in November:
6h and 2min - Average sunshine in December:
6h and 1min
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 48min).
Average sunshine days
Edgemont, SD
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
15.7 days - Average sunshine days in March:
18.3 days - Average sunshine days in April:
12.1 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
17.8 days - Average sunshine days in October:
20 days - Average sunshine days in November:
20.7 days - Average sunshine days in December:
21.4 days
The month with the most sunshine days is December (21.4 days).
The month with the least sunshine days is May (11.2 days).
Average UV index
Edgemont, 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, February, November and December (UV index 2).
Average cloud cover
Edgemont, SD
The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility
Edgemont, 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).
Edgemont, South Dakota, USA
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