The climate of Mount Rushmore National Memorial
Located in
South Dakota, USA,
Mount Rushmore National Memorial sits neatly within the boundaries of the Köppen BSk climate classification. By this definition, it exists within a mid-latitude steppe zone. The months bring significant variations in climatic parameters, from frigid lows to sweltering highs; rainfall fluctuates, as does the presence of snowfall.
Focusing on weather patterns through the full seasonal cycle, the average monthly high temperature varies from a bitter 36.3°F (2.4°C) in
January to a broiling 79.1°F (26.2°C) in
July, to then dip once more to a 36.7°F (2.6°C) in
December. Concurrently, average monthly low temperatures waver from a biting 18.7°F (-7.4°C) in January to a sweltering 58.9°F (14.9°C) in July before returning to a frosty 18.1°F (-7.7°C) in December. The location also displays varied precipitation outcomes across the year, from a minimum rainfall of 0.4" (10mm) in January and December to reaching a maximum of 4.2" (107mm) in
May.
The presence of snowfall dramatically shifts throughout the year. The snowy months commence in
November, with an average snowfall reaching 6.2" (157mm) and continue to ascend to 7.9" (201mm) in
February, then taper off in
April with a moderate 1.2" (30mm). However, snowfall utterly evaporates from the landscape from May to
September, resurfacing only slightly in
October with 0.6" (15mm) to then prompt the winter season once again.
The best time to visit Mount Rushmore National Memorial
The ideal window for visiting
Mount Rushmore National Memorial is dictated by the visitor's preference for climate conditions. The warmest period occurs from
June to
August, with the highest average temperatures reaching from 71°F (21.7°C) to 79.1°F (26.2°C), accompanied by milder nights with lows ranging from 51.3°F (10.7°C) to 58.9°F (14.9°C). These months also offer the longest daylight durations, spanning from 14.8 hours in
May to a peak of 15.4 hours in June. Despite this, these months also note the heaviest rainfall with 3.4" (86mm) in June, decreasing gradually to 2" (51mm) in August.
The worst time to visit Mount Rushmore National Memorial
The period from
November to
March is the least inviting for visits to
Mount Rushmore National Memorial.
January stands as the coldest month, with the lowest average high and low temperatures plummeting to 36.3°F (2.4°C) and 18.7°F (-7.4°C) respectively. During this period, the area also receives the highest snowfall, with a peak of 10.4" (264mm) in March. January and
December also offer the least daylight hours, at just 9 hours each.
Spring weather in Mount Rushmore National Memorial
Spring ushers in a dramatic shift in the weather at
Mount Rushmore National Memorial. Average high temperatures start to climb from 43.2°F (6.2°C) in
March to 60.7°F (15.9°C) by
May. The average lows likewise warm up from 24.6°F (-4.1°C) to 41.6°F (5.3°C) in the same period. Simultaneously, rainfall sees a sharp increase from 1.2" (30mm) in March to its annual peak at 4.2" (107mm) by May. While snowfall should be expected in March and
April, by May it nearly vanishes, dropping to 1.2" (30mm).
Summer weather in Mount Rushmore National Memorial
Summer at
Mount Rushmore National Memorial is characterized by warm temperatures and ample daylight. High temperatures average from 71°F (21.7°C) in
June up to 79.1°F (26.2°C) by
July, while low temperatures increase from 51.3°F (10.7°C) to 58.9°F (14.9°C) in the same span. Rainfall during the months from June to
August is abundant, peaking at 3.4" (86mm) in June and then declining to 2" (51mm) by August. Snowfall is completely absent during the summer months.
Autumn weather in Mount Rushmore National Memorial
During the autumn at
Mount Rushmore National Memorial, temperatures fall steadily, with high temperatures declining from 67.8°F (19.9°C) in
September to 42.9°F (6.1°C) by
November. Low temperatures also exhibit a similar fall, from 48.2°F (9°C) to 26°F (-3.3°C) over the same period. Rainfall decreases from 1.8" (46mm) in September to 0.6" (15mm) in November. Snow begins to make its first appearance in
October at 0.6" (15mm), and increases to 6.2" (157mm) by November.
Winter weather in Mount Rushmore National Memorial
The winter months at
Mount Rushmore National Memorial are marked by the coldest temperatures and high snowfall. The temperatures range from a high of 36.3°F (2.4°C) in
December to a low of 18.1°F (-7.7°C) in
January. Snowfall is prevalent, reaching 5.8" (147mm) in December, peaking at 10.4" (264mm) by
March. January and December offer the shortest daylight periods, at only 9 hours each in duration.
Weather in January
Snowfall serves as a dominant feature of the
January landscape in
Mount Rushmore National Memorial, with an average of 5.8" (147mm) recorded throughout the month. Notably, this is a month of extreme temperatures with thermometers showing mercury levels dipping as low as 18.7°F (-7.4°C) on some nights.
Weather in January »Weather in February
Weather in March
In a departure from the preceding months,
March witnesses a rise in average temperatures from 36.7°F (2.6°C) to 43.2°F (6.2°C). It also enjoys longer daylight, allowing visitors to have extended hours for exploration. Precipitation takes a different turn, with rainfall reaching 1.2" (30mm) and snowfall tallying 10.4" (264mm) - the highest of the year.
Weather in March »
Weather in April
April marks a significant shift with temperatures surging to 50.7°F (10.4°C), indicative of the transition from the chilling winter to the relatively warmer spring. Snowfall decreases dramatically this month to 10.8" (274mm), a considerable reduction from
March.
Weather in April » Weather in May
May sees a further increase in temperature, reaching a comfortable 60.7°F (15.9°C) on average. This month experiences the highest rainfall of the year at 4.2" (107mm), marking May as the wettest month. Along with the rainfall, melting snow from the previous months contribute to the lush greenery of the surroundings.
Weather in May » Weather in June
June demonstrates a significant rise in temperatures reaching a comfortable 71°F (21.7°C), a noticeable jump from
May. Clear and sunny days dominate this month, featuring the longest daylight hours of the year at 15.4, perfect for outdoor activities.
Weather in June »
Weather in July
Weather in August
August reflects a minor decrease in averages temperatures from 79.1°F (26.2°C) in
July to 78.1°F (25.6°C). Rainfall is further reduced to 2" (51mm) and daylight yet again decreases to 13.9 hours even though it remains the peak of tourist season.
Weather in August » Weather in September
September sees a withdrawal from the summer season with a noticeable reduction in temperature to 67.8°F (19.9°C). The decrease in daylight hours indicates the onset of the autumn season, reflecting the shift from longer to shorter days.
Weather in September »
Weather in October
October experiences a further decrease in temperature dipping down to 54.9°F (12.7°C), a sharp contrast to the peak summer warmth of the past months. Daylight hours continue to descend, making the days shorter. While rainfall continues its downward trend, snowfall picks up the pace with a leap to 3.6" (91mm).
Weather in October » Weather in November
With mercury levels falling to 42.9°F (6.1°C) on average,
November heralds the onset of winter. Snowfall sharply increases to 6.2" (157mm), setting the stage for the approaching colder months. The tumbling temperatures and snow-laden landscape draw fewer visitors, as icy road conditions can make accessibility to the Memorial challenging.
Weather in November »Weather in December