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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 Napa Junction, South Dakota, is a freezing cold winter month, with temperature in the range of an average high of 26.8°F (-2.9°C) and an average low of 12.9°F (-10.6°C). January is the coldest month, exhibiting average temperatures of 26.8°F (-2.9°C) at the peak and 12.9°F (-10.6°C) at the base. Weather in January »
Weather in February
February, the last month of the winter in Napa Junction, is another freezing cold month, with an average temperature ranging between max 30.6°F (-0.8°C) and min 16.3°F (-8.7°C). Upon the beginning of February, Napa Junction's high-temperatures register at a still subzero cold 30.6°F (-0.8°C), closely mirroring the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Napa Junction, is a frosty month, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 30.2°F (-1°C). Napa Junction in March showcases a distinct temperature shift, moving from an average high of a freezing cold 30.6°F (-0.8°C) in February to a chilly 46.9°F (8.3°C). Weather in March »
Weather in April
April in Napa Junction, South Dakota, is a mild spring month, with an average temperature varying between 57.9°F (14.4°C) and 40.1°F (4.5°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a frosty 46.9°F (8.3°C) to a mild 57.9°F (14.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Napa Junction, South Dakota, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 50.9°F (10.5°C). The beginning of May signals a rise in the average high-temperature, moving from a mild 57.9°F (14.4°C) in April to a pleasant 69.1°F (20.6°C). Weather in May »
Weather in June
June, the first month of the summer in Napa Junction, is a warm month, with an average temperature varying between 79.7°F (26.5°C) and 61.7°F (16.5°C). The rise of average high-temperatures is seen in June, with an increase from a pleasant 69.1°F (20.6°C) in May to a warm 79.7°F (26.5°C). Weather in June »
Weather in July
July, like June, in Napa Junction, South Dakota, is a moderately hot summer month, with an average temperature varying between 84.9°F (29.4°C) and 64.9°F (18.3°C). Napa Junction notes the warmest temperatures in July, with a high average of 84.9°F (29.4°C) and a low of 64.9°F (18.3°C). In July, the heat index is evaluated at a hot 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Napa Junction, is another warm month, with an average temperature fluctuating between 83.3°F (28.5°C) and 61.3°F (16.3°C). With August's arrival, Napa Junction, South Dakota, notes an average high-temperature of a still moderately hot 83.3°F (28.5°C), closely following the trend of the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Napa Junction, is still a warm month, with an average temperature ranging between max 76.1°F (24.5°C) and min 55°F (12.8°C). During the shift to September, Napa Junction records a mild decrease in average high-temperature, moving from a warm 83.3°F (28.5°C) in August to a still moderately hot 76.1°F (24.5°C). Weather in September »
Weather in October
October, the same as September, in Napa Junction, South Dakota, is another mild autumn month, with temperature in the range of an average high of 59.4°F (15.2°C) and an average low of 42.6°F (5.9°C). October's arrival signals a distinct temperature shift, dropping from a warm 76.1°F (24.5°C) in September to a moderate 59.4°F (15.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Napa Junction, is also a frosty month, with an average temperature varying between 45.9°F (7.7°C) and 30.7°F (-0.7°C). The shift from October to November corresponds with a decrease in the average high-temperature, down to a frosty 45.9°F (7.7°C) from a mild 59.4°F (15.2°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Napa Junction, South Dakota, with an average temperature fluctuating between 29.8°F (-1.2°C) and 18°F (-7.8°C). In December, the average high-temperature decreases considerably from a chilly 45.9°F (7.7°C) in November to a freezing cold 29.8°F (-1.2°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Napa Junction?
January stands out as Napa Junction's coldest month, with an average high-temperature of 26.8°F (-2.9°C) and a low-temperature of 12.9°F (-10.6°C).
What is the most humid month in Napa Junction?
The most humid month in Napa Junction, South Dakota, is January, with an average relative humidity of 85%.
How many days does it rain in Napa Junction?
Throughout the year, in Napa Junction, there are 117.9 rainfall days, and 21.93" (557mm) of precipitation is accumulated.
When does it snow in Napa Junction?
January through May, October through December are months with snowfall in Napa Junction, South Dakota.
How many days does it snow in Napa Junction?
Throughout the year, in Napa Junction, there are 37.4 snowfall days, and 14.45" (367mm) of snow is accumulated.
What is the month with the least sunshine in Napa Junction?
January has the least sunshine of the year, with an average of 4.4h of sunshine.
What is the month with the lowest UV index in Napa Junction?
The month with the lowest UV index in Napa Junction is January, with an average maximum UV index of 1.
What is the driest month in Napa Junction?
The month with the least rainfall in Napa Junction, South Dakota, is February, when the rain falls for 2.3 days and typically collects 0.59" (15mm) of precipitation.
When is Daylight Saving Time (DST) in Napa Junction?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Napa Junction, South Dakota, 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 in Napa Junction?
May is the month with the most rainfall in Napa Junction. Rain falls for 16.9 days and accumulates 3.78" (96mm) of precipitation.
When it does not snow in Napa Junction?
June through September are months without snowfall in Napa Junction.
When are the longest days in Napa Junction?
With an average of 15h and 18min of daylight, June has the longest days of the year.
What is the month with the highest UV index in Napa Junction?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest in Napa Junction?
July brings the highest temperatures, with an average high of 84.9°F (29.4°C) and an average low of 64.9°F (18.3°C).
What month has the most sunshine in Napa Junction?
With an average of 10.8h of sunshine, July has the most sunshine of the year in Napa Junction, South Dakota.
What is the least humid month in Napa Junction?
The least humid month is October, with an average relative humidity of 64%.
When does it snow the most in Napa Junction?
December is the month with the most snowfall in Napa Junction. Snow falls for 8.1 days and accumulates 2.95" (75mm) of snow.
What is the month with the shortest days in Napa Junction?
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Napa Junction, SD
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°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 (12.9°F).
Average pressure
Napa Junction, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.05"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:
29.97"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
Napa Junction, SD
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.8mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.6mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
7.9mph - Average wind speed in August:
8.2mph - Average wind speed in September:
9.2mph - Average wind speed in October:
10.3mph - Average wind speed in November:
10.2mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity
Napa Junction, SD
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).
Average rainfall
Napa Junction, SD
- Average rainfall in January:
0.67" - Average rainfall in February:
0.59" - Average rainfall in March:
1.34" - Average rainfall in April:
2.4" - Average rainfall in May:
3.78" - Average rainfall in June:
3.31"
- Average rainfall in July:
2.24" - Average rainfall in August:
2.24" - Average rainfall in September:
1.81" - Average rainfall in October:
1.73" - Average rainfall in November:
0.63" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days
Napa Junction, SD
- Average rainfall days in January:
3.4 days - Average rainfall days in February:
2.3 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
12.2 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
14.2 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
4.7 days - Average rainfall days in December:
3.7 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall
Napa Junction, SD
- Average snowfall in January:
2.6" - Average snowfall in February:
2.52" - Average snowfall in March:
2.09" - Average snowfall in April:
2.13" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Napa Junction, SD
- Average snowfall days in January:
9.7 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
2.4 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:
0.8 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
8.1 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Napa Junction, SD
- Average daylight in January:
9h and 2min - 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:
15h and 0min - 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 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 2min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 1min - 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Napa Junction, SD
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
13 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
21.3 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index
Napa Junction, SD
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Napa Junction, SD
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility
Napa Junction, 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).
Napa Junction, South Dakota, USA
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