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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, like December, is a freezing cold winter month in Okaton, South Dakota, with temperature in the range of an average low of 16.7°F (-8.5°C) and an average high of 29.8°F (-1.2°C). January is the coldest month, exhibiting average temperatures of 29.8°F (-1.2°C) at the peak and 16.7°F (-8.5°C) at the base. Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Okaton, South Dakota, with an average temperature varying between 18.5°F (-7.5°C) and 32.9°F (0.5°C). February's arrival shows an average high-temperature of a wintry 32.9°F (0.5°C), hardly different from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Okaton, is a frosty month, with an average temperature ranging between max 46.8°F (8.2°C) and min 30.6°F (-0.8°C). The onset of March brings a rise in the average high-temperature, elevating from a wintry 32.9°F (0.5°C) in February to a frosty 46.8°F (8.2°C). Weather in March »
Weather in April
April in Okaton, South Dakota, is a refreshing spring month, with an average temperature ranging between min 38.7°F (3.7°C) and max 56.5°F (13.6°C). The shift from March to April is marked by an increase in the average high-temperature, moving from a frosty 46.8°F (8.2°C) to a mild 56.5°F (13.6°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Okaton, South Dakota, with an average temperature varying between 49.6°F (9.8°C) and 68.2°F (20.1°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's mild 56.5°F (13.6°C) to a pleasant 68.2°F (20.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Okaton, South Dakota, with an average temperature fluctuating between 81.3°F (27.4°C) and 60.4°F (15.8°C). As May transitions into June, Okaton sees a rise in the average high-temperature, moving from a pleasant 68.2°F (20.1°C) to a moderately hot 81.3°F (27.4°C). Weather in June »
Weather in July
July is a tropical summer month in Okaton, South Dakota, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 68.5°F (20.3°C). In Okaton, the peak temperatures are generally noted in July, averaging a high of 89.2°F (31.8°C) and a low of 68.5°F (20.3°C). The heat index for July is calculated to be a tropical 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Okaton, is another tropical month, with an average temperature fluctuating between 87.1°F (30.6°C) and 66.9°F (19.4°C). The advent of August presents an average high-temperature of a still tropical 87.1°F (30.6°C), maintaining a close correlation with the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Okaton, South Dakota, with an average temperature ranging between min 58.3°F (14.6°C) and max 77.5°F (25.3°C). The arrival of September corresponds with a reduction in the average high-temperature, down from August's hot 87.1°F (30.6°C) to a moderately hot 77.5°F (25.3°C). Weather in September »
Weather in October
October, the same as September, in Okaton, South Dakota, is a moderate autumn month, with an average temperature ranging between max 59.2°F (15.1°C) and min 43°F (6.1°C). October signals a clear decrease in the average high-temperature, dropping from September's warm 77.5°F (25.3°C) to a moderate 59.2°F (15.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Okaton, is another chilly month, with an average temperature varying between 31.1°F (-0.5°C) and 46.4°F (8°C). As October transitions to November, the average high-temperature falls from a refreshing 59.2°F (15.1°C) to a frosty 46.4°F (8°C). Weather in November »
Weather in December
December, the first month of the winter in Okaton, is also a subzero cold month, with an average temperature varying between 30.7°F (-0.7°C) and 18°F (-7.8°C). Okaton witnesses a significant decrease in the average high-temperature with the arrival of December, falling from November's frosty 46.4°F (8°C) to a freezing cold 30.7°F (-0.7°C). Weather in December »
Updated: Jul 12, 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 time of year?
January is the coldest month of the year, registering average temperatures as high as 29.8°F (-1.2°C) and as low as 16.7°F (-8.5°C).
What is the most humid month?
January is the most humid month, with an average relative humidity of 81%.
What is the driest month?
January is the month with the least rainfall. Rain falls for 2.8 days and accumulates 0.39" (10mm) of precipitation.
How many days does it rain?
In Okaton, during the entire year, the rain falls for 95.3 days and collects up to 13.74" (349mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
In Okaton, during the entire year, snow falls for 38.8 days and aggregates up to 16.1" (409mm) of snow.
What is the month with the least sunshine?
January and February, with an average of 5.2h of sunshine, are months with the least sunshine.
When does it snow the most in Okaton?
February is the month with the most snowfall in Okaton. Snow falls for 8.9 days and accumulates 3.15" (80mm) of snow.
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?
May is the month with the most rainfall. Rain falls for 13.5 days and accumulates 2.09" (53mm) of precipitation.
When it does not snow?
June through September are months without snowfall in Okaton.
When are the longest days?
The month with the longest days is June, with an average of 15h and 24min of daylight.
What part of the year is the hottest?
Okaton's July weather, marked by an average high temperature of 89.2°F (31.8°C) and an average low temperature of 68.5°F (20.3°C), is the warmest in the year.
What is the month with the highest UV index?
July is the month with the highest UV index, with an average maximum UV index of 7.
What month has the most sunshine?
August has the most sunshine of the year, with an average of 11.7h of sunshine.
What is the least humid month?
The least humid month is September, with an average relative humidity of 47%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 0min of daylight.
What is the month with the lowest UV index?
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Okaton, SD
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (29.8°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure
Okaton, SD
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.9"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Okaton, SD
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.1mph - Average wind speed in March:
11mph - Average wind speed in April:
12.1mph - Average wind speed in May:
11.3mph - Average wind speed in June:
10.7mph
- Average wind speed in July:
10.3mph - Average wind speed in August:
10.2mph - Average wind speed in September:
11.1mph - Average wind speed in October:
11.5mph - Average wind speed in November:
10.5mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is February (10.1mph).
Average humidity
Okaton, SD
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (47%).
Average rainfall
Okaton, SD
- Average rainfall in January:
0.39" - Average rainfall in February:
0.55" - Average rainfall in March:
1.14" - Average rainfall in April:
1.57" - Average rainfall in May:
2.09" - Average rainfall in June:
1.69"
- Average rainfall in July:
1.81" - Average rainfall in August:
1.18" - Average rainfall in September:
0.91" - Average rainfall in October:
1.14" - Average rainfall in November:
0.55" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days
Okaton, SD
- Average rainfall days in January:
2.8 days - Average rainfall days in February:
2.6 days - Average rainfall days in March:
6.5 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
12.4 days - Average rainfall days in August:
10.8 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
7.2 days - Average rainfall days in November:
3.7 days - Average rainfall days in December:
2.7 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (2.6 days).
Average snowfall
Okaton, SD
- Average snowfall in January:
2.09" - Average snowfall in February:
3.15" - Average snowfall in March:
3.07" - Average snowfall in April:
2.13" - Average snowfall in May:
0.75" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Okaton, SD
- Average snowfall days in January:
8.4 days - Average snowfall days in February:
8.9 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.6 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:
1.5 days - Average snowfall days in November:
4 days - Average snowfall days in December:
6.9 days
The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Okaton, 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 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 1min - 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 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 5min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 5min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 4min - Average sunshine in September:
9h and 5min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days
Okaton, SD
- Average sunshine days in January:
20.6 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
18.6 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
15 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
15.5 days - Average sunshine days in August:
16.7 days - Average sunshine days in September:
18.8 days - Average sunshine days in October:
20.4 days - Average sunshine days in November:
20.8 days - Average sunshine days in December:
21.1 days
The month with the most sunshine days is December (21.1 days).
The months with the least sunshine days are April and June (14.1 days).
Average UV index
Okaton, SD
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Okaton, SD
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility
Okaton, 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).
Okaton, South Dakota, USA
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