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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, the same as December, in McCook Lake, South Dakota, is another subzero cold winter month, with temperature in the range of an average high of 27°F (-2.8°C) and an average low of 13.1°F (-10.5°C). McCook Lake records the coldest temperatures in January, averaging a high of 27°F (-2.8°C) and a low of 13.1°F (-10.5°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in McCook Lake, South Dakota, with an average temperature fluctuating between 30.7°F (-0.7°C) and 16.7°F (-8.5°C). A minor adjustment in McCook Lake's average high-temperature is noted with the start of February, touching a still subzero cold 30.7°F (-0.7°C) from January's 27°F (-2.8°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in McCook Lake, South Dakota, with temperature in the range of an average high of 46.6°F (8.1°C) and an average low of 30.9°F (-0.6°C). With the onset of March, McCook Lake's average high-temperature witnesses a clear rise, advancing from February's subzero cold 30.7°F (-0.7°C) to a chilly 46.6°F (8.1°C). Weather in March »
Weather in April
April in McCook Lake, South Dakota, is a mild spring month, with an average temperature fluctuating between 58.6°F (14.8°C) and 40.8°F (4.9°C). As March transitions into April, McCook Lake sees a rise in the average high-temperature, moving from a chilly 46.6°F (8.1°C) to a mild 58.6°F (14.8°C). Weather in April »
Weather in May
May, the last month of the spring in McCook Lake, is an agreeable month, with an average temperature ranging between max 69.4°F (20.8°C) and min 52.2°F (11.2°C). With the arrival of May, the average high-temperature transitions from a mild 58.6°F (14.8°C) in April to a pleasant 69.4°F (20.8°C). Weather in May »
Weather in June
June, the first month of the summer in McCook Lake, is a warm month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 79.9°F (26.6°C). The onset of June marks an increase in the average high-temperature, moving from an agreeable 69.4°F (20.8°C) in May to a warm 79.9°F (26.6°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in McCook Lake, South Dakota, with an average temperature ranging between min 64.9°F (18.3°C) and max 84°F (28.9°C). July is the month when McCook Lake's temperatures reach their peak, with averages of 84°F (28.9°C) and lows of 64.9°F (18.3°C). The average heat index in July is estimated at a hot 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in McCook Lake, is also a moderately hot month, with an average temperature varying between 82°F (27.8°C) and 61.3°F (16.3°C). McCook Lake experiences an average high-temperature of a still moderately hot 82°F (27.8°C) with the onset of August, subtly varied from July's 84°F (28.9°C). Weather in August »
Weather in September
September, the first month of the autumn in McCook Lake, is also a moderately hot month, with an average temperature ranging between max 76.1°F (24.5°C) and min 55°F (12.8°C). In September, the meteorological conditions change slightly, with the average high-temperature moving from a moderately hot 82°F (27.8°C) in August to a still warm 76.1°F (24.5°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in McCook Lake, South Dakota, with an average temperature varying between 43.3°F (6.3°C) and 59.9°F (15.5°C). The transition from September to October brings a clear temperature drop, with average high-temperatures decreasing from a moderately hot 76.1°F (24.5°C) to a refreshing 59.9°F (15.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in McCook Lake, South Dakota, with an average temperature varying between 45.9°F (7.7°C) and 31.5°F (-0.3°C). With November's arrival, McCook Lake sees a decrease in average high-temperatures, moving from a moderate 59.9°F (15.5°C) in October to a frosty 45.9°F (7.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in McCook Lake, South Dakota, with an average temperature fluctuating between 18.7°F (-7.4°C) and 30.7°F (-0.7°C). As November transitions into December, McCook Lake sees a clear drop in the average high-temperature, declining from a frosty 45.9°F (7.7°C) to a freezing cold 30.7°F (-0.7°C). Weather in December »
Updated: Aug 25, 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 coldest month?
January is the coldest month, with an average high-temperature of 27°F (-2.8°C) and an average low-temperature of 13.1°F (-10.5°C).
What is the most humid month?
The most humid month in McCook Lake is January, with an average relative humidity of 84%.
How much does it rain?
Throughout the year, there are 122 rainfall days, and 21.61" (549mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 9.6 days and accumulates 2.95" (75mm) of snow.
How many days does it snow?
Throughout the year, there are 38 snowfall days, and 13.23" (336mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.4h of sunshine.
When is the lowest UV index?
January is the month with the lowest UV index, with an average maximum UV index of 1.
What is the driest month in McCook Lake?
The month with the least rainfall in McCook Lake is February, when the rain falls for 3.3 days and typically collects 0.67" (17mm) of precipitation.
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 CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month?
The wettest months are May and June, with an average 3.03" (77mm) of rainfall.
When it does not snow in McCook Lake?
June through September are months without snowfall.
When are the longest days?
With an average of 15h and 18min of daylight, June has the longest days of the year.
When is the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What is the warmest month?
July stands out as McCook Lake's warmest month, with temperatures ranging between an average high of 84°F (28.9°C) and a low of 64.9°F (18.3°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.7h of sunshine.
What is the least humid month?
With an average relative humidity of 65%, October is the least humid month.
What is the month with the shortest days in McCook Lake?
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
McCook Lake, SD
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (27°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure
McCook Lake, 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:
29.86"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30"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 (29.86"Hg).
Average wind speed
McCook Lake, SD
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.7mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.7mph
- Average wind speed in July:
7.6mph - Average wind speed in August:
8mph - Average wind speed in September:
9mph - Average wind speed in October:
10.2mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity
McCook Lake, SD
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (65%).
Average rainfall
McCook Lake, SD
- Average rainfall in January:
0.75" - Average rainfall in February:
0.67" - Average rainfall in March:
1.69" - Average rainfall in April:
2.56" - Average rainfall in May:
3.03" - Average rainfall in June:
3.03"
- Average rainfall in July:
1.89" - Average rainfall in August:
2.2" - Average rainfall in September:
1.93" - Average rainfall in October:
1.85" - Average rainfall in November:
0.79" - Average rainfall in December:
1.22"
The wettest months (with the highest rainfall) are May and June (3.03").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days
McCook Lake, SD
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
16.2 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
12.7 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
6.1 days - Average rainfall days in December:
4.1 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall
McCook Lake, SD
- Average snowfall in January:
2.95" - Average snowfall in February:
2.36" - Average snowfall in March:
2.48" - Average snowfall in April:
1.61" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
McCook Lake, SD
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
8.3 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
2.1 days - Average snowfall days in May:
0.2 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:
0.7 days - Average snowfall days in November:
3.4 days - Average snowfall days in December:
8.4 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
McCook Lake, SD
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - 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:
14h and 5min - 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 5min - Average daylight in December:
9h and 1min
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 6min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
5h and 2min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 5min - Average sunshine in December:
4h and 5min
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 24min).
Average sunshine days
McCook Lake, SD
- Average sunshine days in January:
19.2 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
9.7 days
- Average sunshine days in July:
15 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
20.1 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (9.7 days).
Average UV index
McCook Lake, SD
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
McCook Lake, SD
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility
McCook Lake, 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).
McCook Lake, South Dakota, USA
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