February weather forecastCastlewood, SD
February
Weather in February
February, the last month of the winter in Castlewood, is also a subzero cold month, with an average temperature fluctuating between 22.5°F (-5.3°C) and 8.4°F (-13.1°C).Temperature
The shift into February uncovers an average high-temperature of a still subzero cold 22.5°F (-5.3°C), subtly different from the previous month. Throughout the nights in February, an average low-temperature of 8.4°F (-13.1°C) is noted.Humidity
In February, the average relative humidity in Castlewood, South Dakota, is 87%.Rainfall
January and February are months with the least rain in Castlewood when the rain falls for 2.7 days and typically aggregates up to 0.59" (15mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In February, it is snowing for 11.8 days. Throughout February, 3.35" (85mm) of snow is accumulated. Throughout the year, there are 64.3 snowfall days, and 17.56" (446mm) of snow is accumulated.Daylight
In Castlewood, the average length of the day in February is 10h and 28min.On the first day of the month, sunrise is at 7:47 am and sunset at 5:36 pm. On the last day of February, sunrise is at 7:05 am and sunset at 6:15 pm CST.
Sunshine
In February, the average sunshine is 4.3h.UV index
The average daily maximum UV index in February is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 2 in February suggests the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Castlewood, SD
- Average high temperature in February: 22.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in February: 8.4°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).
Average pressure in February
Castlewood, SD
- Average pressure in February: 30.16"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in February
Castlewood, SD
- Average wind speed in February: 10.8mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in February
Castlewood, SD
- Average humidity in February: 87%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).
Average rainfall in February
Castlewood, SD
- Average rainfall in February: 0.59"
The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in February
Castlewood, SD
- Average rainfall days in February: 2.7 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in February
Castlewood, SD
- Average snowfall in February: 3.35"
The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in February
Castlewood, SD
- Average snowfall days in February: 11.8 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in February /
Average sunshine in February
Castlewood, 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: 4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in February
Castlewood, SD
- Average sunshine days in February: 15.3 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in February
Castlewood, SD
- Average UV index in February: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in February
Castlewood, SD
- Average cloud cover in February: 60
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in February
Castlewood, SD
- Average visibility in February: 6mi
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).
