Climate and monthly weather forecastEdgemont, SD

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.

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 »