February weather forecastSpearfish, SD
February
Weather in February
If you want a respite from January's deep freeze, February offers little comfort with continued low temperatures and increased snowfall in Spearfish. Though marginally warmer at the top of the scale, 31.1°F (-0.5°C) seems equally frosty and days homologous in length. The month hangs onto the winter 'norms' with ample snow and short daylight hours. While rainfall is not prominent, it is notably greater than January with just under one inch recorded. Be not misguided by rarer snowy days, snow gains depth in February.Temperature
The introduction of February in Spearfish notes a subtle temperature variation to a still subzero cold 31.1°F (-0.5°C) from January's 31.5°F (-0.3°C). The average low-temperature during February nights is a still subzero cold 16.2°F (-8.8°C).Humidity
The average relative humidity in February is 78%.Rainfall
In Spearfish, during February, the rain falls for 2.9 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Spearfish, South Dakota, during the entire year, the rain falls for 99.6 days and collects up to 15.63" (397mm) of precipitation.Snowfall
Months with snowfall in Spearfish are January through May, September through December. In February, it is snowing for 11.2 days. Throughout February, 5.04" (128mm) of snow is accumulated. In Spearfish, during the entire year, snow falls for 56.8 days and aggregates up to 36.3" (922mm) of snow.Daylight
In Spearfish, the average length of the day in February is 10h and 29min.On the first day of February, sunrise is at 7:13 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 5:42 pm MST.
Sunshine
With an average of 5.7h of sunshine, February has the least sunshine of the year in Spearfish.UV index
The months with the lowest UV index in Spearfish, South Dakota, are January, February, April, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during February leads to these advisories:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Spearfish, SD
- Average high temperature in February: 31.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (30.9°F).
- Average low temperature in February: 16.2°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is February (16.2°F).
Average pressure in February
Spearfish, SD
- Average pressure in February: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in February
Spearfish, SD
- Average wind speed in February: 9.4mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in February
Spearfish, SD
- Average humidity in February: 78%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (49%).
Average rainfall in February
Spearfish, SD
- Average rainfall in February: 0.75"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in February
Spearfish, SD
- Average rainfall days in February: 2.9 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in February
Spearfish, SD
- Average snowfall in February: 5.04"
The month with the highest snowfall is April (7.36").
The months with the least snowfall are June, July and August (0").
Average snowfall days in February
Spearfish, SD
- Average snowfall days in February: 11.2 days
The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in February /
Average sunshine in February
Spearfish, SD
- Average daylight in February: 10h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in February: 5h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in February
Spearfish, SD
- Average sunshine days in February: 15.2 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in February
Spearfish, SD
- Average UV index in February: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, April, November and December (UV index 2).
Average cloud cover in February
Spearfish, SD
- Average cloud cover in February: 41
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in February
Spearfish, 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).
