Climate and monthly weather forecastLennox, SD
Climate and monthly weather forecast
The climate of Lennox
The town of Lennox in South Dakota is characterized by a Dfa Köppen climate classification, indicating a humid continental climate with no dry season and a hot summer. Lennox's annual weather patterns reflect variations in a wide range of climatic factors.Throughout the year, the temperatures fluctuate significantly. The high temperature can range from 24.3°F (-4.3°C) in January to a peak of 83.3°F (28.5°C) in July, while the low temperature can vary from 10.8°F (-11.8°C) in January to 63.7°F (17.6°C) in July. Rainfall also varies, with the wettest month being June, averaging 2.91" (74mm) of rainfall. In contrast, January and February experience less rainfall, with each month receiving an average of 0.47" (12mm).
The relative humidity in Lennox transits between levels of 66% in October and 87% in January, making the latter the most humid month. The town can see snowfall from January to April and again in November and December. The intense snowfall events occur predominantly in January and February, measuring 2.44" (62mm) and 2.64" (67mm), respectively.
Another climatic feature specific to Lennox is the variation in daylight hours. The town experiences the most extended daylight hours in June, averaging 15.4 hours, and the shortest daylight hours in December, around 9 hours. Sunshine hours oscillate throughout the year, reaching a peak of 10.7 hours in July and a bottom of 4.2 hours in January.
The best time to visit Lennox
Considering the climatic conditions mentioned above, the ideal time for a sojourn to Lennox would be between May and September. During these months, the weather is relatively warmer, with high temperatures ranging from 68.4°F (20.2°C) to 81.7°F (27.6°C). Additionally, the town enjoys extended daylight hours between 14.7 hours and 15.4 hours, maximizing the opportunity for outdoor activities. The ample sunshine hours, varying from 8.7 hours to 10.7 hours, further accentuate this period as the prime time to visit Lennox, South Dakota.The worst time to visit Lennox
The months to avoid travelling to Lennox would be from November to March. During this time, the town is gripped in a chilly embrace, with high temperatures plummeting to 24.3°F (-4.3°C) to 44.2°F (6.8°C). Moreover, snowfall is prevalent during this period, making outdoor activities challenging and potentially hazardous. Daylight hours shrink to between 9 hours and 12 hours, and sunshine hours dip to a year-round low of 4.2 hours to 6.2 hours.Spring weather in Lennox
With temperatures gradually rising from a high of 44.2°F (6.8°C) in March to 68.4°F (20.2°C) in May, spring in Lennox is a season of transition. Rainfall increases during this period from 1.14" (29mm) to 2.6" (66mm), and the days stretch out from 12 hours to 14.7 hours. Sunshine hours witness a steady climb from 6.2 hours to 8.7 hours. Visitors during this time can expect windy conditions, as wind averages range from 10.7mph (17.2km/h) to 9.7mph (15.6km/h).Summer weather in Lennox
Summers in Lennox, from June to August, are moderately hot. Temperatures during these months linger between 78.3°F (25.7°C) to 83.3°F (28.5°C). June tends to be the rainiest month, seeing about 2.91" (74mm) of rainfall. Despite higher temperatures, one can expect relative humidity levels of 70% or above. Daylight is abundant, ranging from 13.9 hours to 15.4 hours, and sunshine dominates between 10 hours to 10.7 hours.Autumn weather in Lennox
Autumn, stretching from September to November, sees a gradual decline in temperatures, with highs dropping from 74.7°F (23.7°C) to 44.2°F (6.8°C). Rainfall dwindles from 1.61" (41mm) to 0.47" (12mm), and daylight hours recede from 12.5 hours to 9.7 hours. However, autumn brings its charm, with average sunshine duration of around 8.8 hours in September, tapering off to 5.7 hours in November.Winter weather in Lennox
Winter in Lennox, spanning December to February, brings with it the coldest conditions. High temperatures hover at or below freezing, from 28.2°F (-2.1°C) to 24.3°F (-4.3°C), and snowfalls measure between 2.44" (62mm) and 2.64" (67mm) in the initial months. Daylight hours remain limited to 9 hours to 10.5 hours. Furthermore, atmosphere pressure escalates during these months, with the highest at 30.16" (766mm) in January.Weather in January
January in Lennox, South Dakota, often starts off with cold and frosty weather patterns. Snowfall is an almost guaranteed part of the landscape, with around 2.44" (62mm) averaged over the month. It's the month with the least amount of daylight, making for short, often overcast, days. Weather in January »Weather in February
Whilst February follows in the icy footsteps of January, Lennox starts to experience a slight increase in temperatures. Although it's still winter, there's a notable decrease in snowfall amounts - averaging 2.64" (67mm). Days begin to somewhat lengthen, but the sun is often concealed by wintery showers and clouds. Weather in February »Weather in March
The transition into spring starts to become more noticeable in March. Winter's grasp begins to loosen, with an increase in temperatures and reduction in snowfall. However, rainfall tends to increase to an average of 1.14" (29mm), signalling the wet trend of spring. Weather in March »Weather in April
April brings a significant leap into spring, characterized by a rise in both temperature and rain levels. Rainfall reaches its third highest level of the year, averaging at 1.81" (46mm). The flowering of plants around Lennox becomes more widespread, painting the city with vibrant hues of spring. Weather in April »Weather in May
May sees Lennox truly emerge into spring, characterized by warmer days and a bloom in vegetation. Although rainfall is at its peak, averaging at 2.6" (66mm), there's also an increase in sunshine hours. The frequency of rainfall enhances the growth and greenery of the land. Weather in May »Weather in June
As summer takes hold in June, Lennox experiences the highest jump in temperatures. The increased heat, balancing at an average high of 78.3°F (25.7°C), is counterbalanced by the highest monthly average relative humidity, standing at 75%. Weather in June »Weather in July
July could be described as the heart of summer in Lennox, characterized by high temperatures and long, sunny days. The temperature reaches its zenith in July, recording an absolute maximum of 83.3°F (28.5°C). It's the season for exploring the city's parks and relaxing in sunsoaked backyards. Weather in July »Weather in August
The heat of summer gracefully transitions as August arrives in Lennox. Despite the slight decrease in temperature when compared to July, temperatures generally remain quite high, hovering around a balmy 81.7°F (27.6°C). The city's natural surroundings are lush and green, fed by both the sun's rays and occasional summer showers. Weather in August »Weather in September
September brings the mellow warmth of early autumn to Lennox, characterized by a significant decline in temperatures. Rainfall averages 1.61" (41mm) for the month, indicating the start of the downward trend into cooler months. Weather in September »Weather in October
October signifies the full arrival of autumn in Lennox, accompanied by a noticeable fall in temperatures. The season carries with it an air of tranquillity, with temperatures comfortably seated between 58.1°F (14.5°C) and 41.9°F (5.5°C). Weather in October »Weather in November
The prelude to winter becomes clear in November, as temperatures continue to decrease. Snow starts to make its appearance, with an average total of 1.3" (33mm) over the month. The brisk weather encourages indoor activities and cozy atmospheres. Weather in November »Weather in December
Winter formally sets its hand in December with temperatures dropping to the twenties and lots of festive cheer in the air. The rainfall increases again, although it translates into snow, with an average accumulation of 2.52" (64mm). Weather in December »Updated: Jul 30, 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
January, known for its average high temperature of 24.3°F (-4.3°C) and an average low temperature of 10.8°F (-11.8°C), is the coldest month in Lennox.
January is the most humid month, with an average relative humidity of 87%.
The months with the least rainfall are January, February and November Rain falls for 3.3 days and accumulates 0.47" (12mm) of rain.
In Lennox, South Dakota, during the entire year, the rain falls for 111.7 days and collects up to 17.76" (451mm) of precipitation.
January through May, October through December are months with snowfall.
In Lennox, during the entire year, snow falls for 38.7 days and aggregates up to 12.76" (324mm) of snow.
January has the least sunshine of the year, with an average of 4.2h of sunshine.
February is the month with the most snowfall. Snow falls for 8.2 days and accumulates 2.64" (67mm) of snow.
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.
The month with the most rainfall in Lennox is June, when the rain falls for 16 days and typically aggregates up to 2.91" (74mm) of precipitation.
June through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 24min of daylight.
June and July, with an average maximum UV index of 6, are months with the highest UV index.
With average temperatures fluctuating between a high of 83.3°F (28.5°C) and a low of 63.7°F (17.6°C), July stands out as the warmest month.
The month with the most sunshine is July, with an average of 10.7h of sunshine.
With an average relative humidity of 66%, October is the least humid month.
November is the month with the lowest UV index, with an average maximum UV index of 1.
With an average of 9h and 0min of daylight, December has the shortest days of the year.
Average temperature
Lennox, SD
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (24.3°F).
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure
Lennox, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Lennox, SD
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.7mph - Average wind speed in April:
11.2mph - Average wind speed in May:
9.7mph - Average wind speed in June:
8.9mph
- Average wind speed in July:
7.9mph - Average wind speed in August:
8.1mph - Average wind speed in September:
9.3mph - Average wind speed in October:
10.4mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity
Lennox, SD
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).
Average rainfall
Lennox, SD
- Average rainfall in January:
0.47" - Average rainfall in February:
0.47" - Average rainfall in March:
1.14" - Average rainfall in April:
1.81" - Average rainfall in May:
2.6" - Average rainfall in June:
2.91"
- Average rainfall in July:
2.05" - Average rainfall in August:
2.09" - Average rainfall in September:
1.61" - Average rainfall in October:
1.38" - Average rainfall in November:
0.47" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January, February and November (0.47").
Average rainfall days
Lennox, SD
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
2.5 days - Average rainfall days in March:
8.5 days - Average rainfall days in April:
12 days - Average rainfall days in May:
16 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
12.7 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
4.7 days - Average rainfall days in December:
3.7 days
The months with the highest number of rainy days are May and June (16 days).
The month with the least rainy days is February (2.5 days).
Average snowfall
Lennox, SD
- Average snowfall in January:
2.44" - Average snowfall in February:
2.64" - Average snowfall in March:
1.97" - Average snowfall in April:
1.46" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Lennox, SD
- Average snowfall days in January:
9.5 days - Average snowfall days in February:
8.2 days - Average snowfall days in March:
5.5 days - Average snowfall days in April:
2.4 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 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
8.7 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Lennox, SD
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - 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:
4h and 12min - Average sunshine in February:
5h and 12min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 42min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 48min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Lennox, SD
- Average sunshine days in January:
20.4 days - Average sunshine days in February:
18.6 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
13 days - Average sunshine days in June:
11.5 days
- Average sunshine days in July:
15.4 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
19.8 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.5 days).
Average UV index
Lennox, SD
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover
Lennox, SD
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility
Lennox, 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).
