February weather forecastNapa Junction, SD
February
Weather in February
The last month of the winter, February, is another freezing cold month in Napa Junction, South Dakota, with an average temperature fluctuating between 16.3°F (-8.7°C) and 30.6°F (-0.8°C).Temperature
The beginning of February reveals an average high-temperature of a still subzero cold 30.6°F (-0.8°C), showing minimal deviation from the previous month. Napa Junction cools down to an average low-temperature of 16.3°F (-8.7°C) throughout the month of February.Humidity
The average relative humidity in February is 79%.Rainfall
February is the month with the least rainfall. Rain falls for 2.3 days and accumulates 0.59" (15mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Napa Junction, in February, snow falls for 7.8 days, with typically accumulated 2.52" (64mm) of snow. Throughout the year, there are 37.4 snowfall days, and 14.45" (367mm) of snow is accumulated.Daylight
In Napa Junction, the average length of the day in February is 10h and 34min.On the first day of the month, sunrise is at 7:44 am and sunset at 5:41 pm. On the last day of February, sunrise is at 7:05 am and sunset at 6:18 pm CST.
Sunshine
In Napa Junction, the average sunshine in February is 5.4h.UV index
In Napa Junction, the average daily maximum UV index in February is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 2 during February, leads to the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Napa Junction, SD
- Average high temperature in February: 30.6°F
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).
- Average low temperature in February: 16.3°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 in February
Napa Junction, SD
- Average pressure in February: 30.15"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 in February
Napa Junction, SD
- Average wind speed in February: 10.6mph
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 in February
Napa Junction, SD
- Average humidity in February: 79%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).
Average rainfall in February
Napa Junction, SD
- Average rainfall in February: 0.59"
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 in February
Napa Junction, SD
- Average rainfall days in February: 2.3 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 in February
Napa Junction, SD
- Average snowfall in February: 2.52"
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 in February
Napa Junction, SD
- Average snowfall days in February: 7.8 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 in February /
Average sunshine in February
Napa Junction, SD
- Average daylight in February: 10h and 36min
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 February: 5h and 24min
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 in February
Napa Junction, SD
- Average sunshine days in February: 17.8 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 in February
Napa Junction, SD
- Average UV index in February: 2
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 in February
Napa Junction, SD
- Average cloud cover in February: 49
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 in February
Napa Junction, SD
- Average visibility in February: 6mi
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).





