February weather forecast
Long Valley, SD

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Weather in February

The last month of the winter, February, is a wintry month in Long Valley, South Dakota, with an average temperature fluctuating between 32.9°F (0.5°C) and 18.5°F (-7.5°C).

Temperature

The dawn of February sees an average high-temperature of a wintry 32.9°F (0.5°C), subtly contrasting with January's 29.8°F (-1.2°C). Nighttime temperature experiences an average drop to a subzero cold 18.5°F (-7.5°C) in February.

Humidity

In February, the average relative humidity is 75%.

Rainfall

In Long Valley, in February, during 2.6 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Long Valley, during the entire year, the rain falls for 95.3 days and collects up to 13.74" (349mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall is February, when snow falls for 8.9 days and typically aggregates up to 3.15" (80mm) of snow.

Daylight

In February, the average length of the day is 10h and 32min.
On the first day of February, sunrise is at 7:02 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 5:34 pm MST.

Sunshine

The months with the least sunshine are January and February, with an average of 5.2h of sunshine.

UV index

In February, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 2 in February, converts into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in February?

In Long Valley, 32.9°F (0.5°C) is the average high-temperature and 18.5°F (-7.5°C) is the average low-temperature during February.

What is the average humidity in February?

The average relative humidity in February is 75%.

How much does it rain in February?

In Long Valley, in February, it is raining for 2.6 days, with typically 0.55" (14mm) of accumulated precipitation.

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 8.9 days and typically aggregates up to 3.15" (80mm) of snow.

How many days does it snow in February?

In Long Valley, in February, snow falls for 8.9 days, with typically accumulated 3.15" (80mm) of snow.

How many hours of daylight does Long Valley have in February?

The average day length in February is 10h and 32min.

When is the sunrise / sunset in February?

In February, on the first day of the month, sunrise is at 7:02 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 5:34 pm MST.

What are the months with the least sunshine?

January and February, with an average of 5.2h of sunshine, are months with the least sunshine.

How many hours of sunshine does Long Valley have in February?

In Long Valley, South Dakota, the average sunshine duration in February is 5.2h.

What is the UV index intensity in February?

In Long Valley, the average daily maximum UV index in February is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in February
Long Valley, SD

Average temperature in February - Long Valley, SD
  • Average high temperature in February: 32.9°F

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).

  • Average low temperature in February: 18.5°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 in February
Long Valley, SD

Average pressure in February - Long Valley, SD
  • Average pressure in February: 30.14"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 in February
Long Valley, SD

Average wind speed in February - Long Valley, SD
  • Average wind speed in February: 10.1mph

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 in February
Long Valley, SD

Average humidity in February - Long Valley, SD
  • Average humidity in February: 75%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (47%).

Average rainfall in February
Long Valley, SD

Average rainfall in February - Long Valley, SD
  • Average rainfall in February: 0.55"

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 in February
Long Valley, SD

Average rainfall days in February - Long Valley, SD
  • Average rainfall days in February: 2.6 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 in February
Long Valley, SD

Average snowfall in February - Long Valley, SD
  • Average snowfall in February: 3.15"

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 in February
Long Valley, SD

Average snowfall days in February - Long Valley, SD
  • Average snowfall days in February: 8.9 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 in February /
Average sunshine in February
Long Valley, SD

Average daylight in February / Average sunshine in February - Long Valley, SD
  • Average daylight in February: 10h and 3min

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 February: 5h and 1min

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 in February
Long Valley, SD

Average sunshine days in February - Long Valley, SD
  • Average sunshine days in February: 17.5 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 in February
Long Valley, SD

Average UV index in February - Long Valley, SD
  • Average UV index in February: 2

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 in February
Long Valley, SD

Average cloud cover in February - Long Valley, SD
  • Average cloud cover in February: 45

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 in February
Long Valley, SD

Average visibility in February - Long Valley, 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).

Long Valley, South Dakota, USA

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