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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 Plana, South Dakota, is another subzero cold winter month, with an average temperature fluctuating between 6.3°F (-14.3°C) and 20.7°F (-6.3°C). In Plana, South Dakota, the month of January registers the lowest temperatures, averaging 20.7°F (-6.3°C) at the peak and 6.3°F (-14.3°C) at the lowest. Weather in January »
Weather in February
February, the last month of the winter in Plana, is another freezing cold month, with an average temperature varying between 23.7°F (-4.6°C) and 9.1°F (-12.7°C). February's beginning signals an average high-temperature of a still freezing cold 23.7°F (-4.6°C), barely different from January's 20.7°F (-6.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Plana, South Dakota, with an average temperature ranging between min 24.8°F (-4°C) and max 39.7°F (4.3°C). A clear escalation in the average high-temperature marks the arrival of March, surging from a subzero cold 23.7°F (-4.6°C) in February to an icy 39.7°F (4.3°C). Weather in March »
Weather in April
April in Plana, South Dakota, is a cool spring month, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 36.9°F (2.7°C). A distinct shift in the average high-temperature is signaled in April, moving up from an icy 39.7°F (4.3°C) in March to a fresh 54.1°F (12.3°C). Weather in April »
Weather in May
May, the last month of the spring in Plana, is a refreshing month, with an average temperature ranging between max 66.7°F (19.3°C) and min 48.2°F (9°C). As Plana transitions into May, the average high-temperature shows a change, moving from a fresh 54.1°F (12.3°C) in April to a comfortable 66.7°F (19.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Plana, South Dakota, with an average temperature ranging between min 57.6°F (14.2°C) and max 76.8°F (24.9°C). June's arrival coincides with a rise in the average high-temperature, moving from May's enjoyable 66.7°F (19.3°C) to a warm 76.8°F (24.9°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Plana, South Dakota, with an average temperature ranging between max 84.7°F (29.3°C) and min 63.1°F (17.3°C). July is the warmest month, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 63.1°F (17.3°C). The average heat index in July is calculated to be a hot 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Plana, South Dakota, with an average temperature varying between 83.1°F (28.4°C) and 61°F (16.1°C). The shift into August reveals an average high-temperature of a still warm 83.1°F (28.4°C), closely mirroring July's climate. Weather in August »
Weather in September
September, the first month of the autumn in Plana, is also a moderately hot month, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 52.9°F (11.6°C). The shift from August to September includes a small decrease in the average high-temperature, from a warm 83.1°F (28.4°C) to a still moderately hot 74.3°F (23.5°C). Weather in September »
Weather in October
October, the same as September, in Plana, South Dakota, is another mild autumn month, with an average temperature varying between 56.3°F (13.5°C) and 40.1°F (4.5°C). October's arrival brings a noticeable temperature shift, dropping from a moderately hot 74.3°F (23.5°C) in September to a moderate 56.3°F (13.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Plana, is also an icy month, with an average temperature fluctuating between 26.8°F (-2.9°C) and 41.7°F (5.4°C). November's arrival is marked by a significant decrease in the average high-temperature, moving from a mild 56.3°F (13.5°C) in October to a wintry 41.7°F (5.4°C). Weather in November »
Weather in December
December, the first month of the winter in Plana, is also a subzero cold month, with an average temperature varying between 12.7°F (-10.7°C) and 25°F (-3.9°C). The shift into December is characterized by a noticeable reduction in the average high-temperature, decreasing from November's cold 41.7°F (5.4°C) to a freezing cold 25°F (-3.9°C). Weather in December »
Updated: Aug 31, 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 part of the year is the coldest?
Plana's January weather reaches an average high of 20.7°F (-6.3°C) and an average low of 6.3°F (-14.3°C), making it the coldest month.
What is the most humid month?
The most humid month is January, with an average relative humidity of 88%.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 3 days and typically collects 0.59" (15mm) of precipitation.
How many days does it rain?
In Plana, during the entire year, the rain falls for 97.2 days and collects up to 18.35" (466mm) of precipitation.
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 13 days and accumulates 3.82" (97mm) of snow.
How much does it snow?
Throughout the year, there are 54.8 snowfall days, and 19.13" (486mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.9h of sunshine.
When is the lowest UV index?
The months with the lowest UV index are January, February and November, with an average maximum UV index of 1.
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 wettest month?
June is the month with the most rainfall. Rain falls for 15 days and accumulates 3.46" (88mm) of precipitation.
When it does not snow?
In Plana, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 36min of daylight.
When is the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What time of the year is the hottest?
Plana experiences its average highest temperatures in July, reaching a peak of 84.7°F (29.3°C) and a minimum of 63.1°F (17.3°C).
What month has the most sunshine?
With an average of 11.1h of sunshine, July has the most sunshine of the year.
What are the least humid months?
The months with the lowest humidity are August and September, with an average relative humidity of 60%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 48min of daylight.
Average temperature
Plana, SD
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure
Plana, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.17"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Plana, SD
- Average wind speed in January:
9.5mph - Average wind speed in February:
9.4mph - Average wind speed in March:
9.7mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9.7mph - Average wind speed in June:
8.9mph
- Average wind speed in July:
8.4mph - Average wind speed in August:
8.3mph - Average wind speed in September:
9.6mph - Average wind speed in October:
10.4mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.5mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity
Plana, SD
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).
Average rainfall
Plana, SD
- Average rainfall in January:
0.59" - Average rainfall in February:
0.63" - Average rainfall in March:
1.1" - Average rainfall in April:
1.65" - Average rainfall in May:
2.32" - Average rainfall in June:
3.46"
- Average rainfall in July:
2.6" - Average rainfall in August:
1.61" - Average rainfall in September:
1.26" - Average rainfall in October:
1.61" - Average rainfall in November:
0.63" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days
Plana, SD
- Average rainfall days in January:
3 days - Average rainfall days in February:
2 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
10.2 days - Average rainfall days in May:
13 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
12.2 days - Average rainfall days in August:
10.4 days - Average rainfall days in September:
8.9 days - Average rainfall days in October:
7.8 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
3.1 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).
Average snowfall
Plana, SD
- Average snowfall in January:
3.82" - Average snowfall in February:
3.7" - Average snowfall in March:
3.19" - Average snowfall in April:
2.32" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Plana, SD
- Average snowfall days in January:
13 days - Average snowfall days in February:
10.9 days - Average snowfall days in March:
8.7 days - Average snowfall days in April:
3.3 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:
2.1 days - Average snowfall days in November:
5.1 days - Average snowfall days in December:
11.4 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Plana, SD
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 5min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 4min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
10h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Plana, SD
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
16.4 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
15.7 days - Average sunshine days in June:
12.7 days
- Average sunshine days in July:
16.8 days - Average sunshine days in August:
18.2 days - Average sunshine days in September:
18.7 days - Average sunshine days in October:
19.8 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
18.9 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).
Average UV index
Plana, SD
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover
Plana, SD
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility
Plana, SD
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Plana, South Dakota, USA
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