Contents
- Weather in February
- Frequently asked questions
- Average temperature in February
- Average pressure in February
- Average wind speed in February
- Average humidity in February
- Average rainfall in February
- Average rainfall days in February
- Average snowfall in February
- Average snowfall days in February
- Average daylight in February
- Average sunshine in February
- Average sunshine days in February
- Average UV index in February
- Average cloud cover in February
- Average visibility in February
Weather in February
Temperature
The arrival of February coincides with an average high-temperature of a still subzero cold 23.7°F (-4.6°C), indicating a minimal shift from January's 20.7°F (-6.3°C). Chelsea's February nights cool down to an average low-temperature of 9.1°F (-12.7°C).Humidity
In Chelsea, the average relative humidity in February is 85%.Rainfall
In Chelsea, South Dakota, in February, it is raining for 2 days, with typically 0.63" (16mm) of accumulated precipitation. In Chelsea, South Dakota, during the entire year, the rain falls for 97.2 days and collects up to 18.35" (466mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In February, in Chelsea, it is snowing for 10.9 days. Throughout February, 3.7" (94mm) of snow is accumulated. Throughout the year, there are 54.8 snowfall days, and 19.13" (486mm) of snow is accumulated.Daylight
In Chelsea, the average length of the day in February is 10h and 26min.On the first day of February in Chelsea, sunrise is at 7:55 am and sunset at 5:41 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:21 pm CST.
Sunshine
In Chelsea, the average sunshine in February is 4.8h.UV index
The months with the lowest UV index in Chelsea are January, February and November, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 1 during February translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is February in Chelsea?
What is the average humidity in February in Chelsea?
How many days does it rain in February in Chelsea?
How much does it snow in Chelsea in February?
What is the average length of the day in February in Chelsea?
What time are sunrise and sunset in February in Chelsea?
How many hours of sunshine does Chelsea have in February?
What are the months with the lowest UV index in Chelsea?
What is the UV index intensity in February in Chelsea?
Average temperature in February
Chelsea, SD
- Average high temperature in February: 23.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in February: 9.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in February
Chelsea, SD
- Average pressure in February: 30.17"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in February
Chelsea, SD
- Average wind speed in February: 9.4mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in February
Chelsea, SD
- Average humidity in February: 85%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).
Average rainfall in February
Chelsea, SD
- Average rainfall in February: 0.63"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in February
Chelsea, SD
- Average rainfall days in February: 2 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).
Average snowfall in February
Chelsea, SD
- Average snowfall in February: 3.7"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in February
Chelsea, SD
- Average snowfall days in February: 10.9 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in February /
Average sunshine in February
Chelsea, SD
- Average daylight in February: 10h and 2min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in February: 4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in February
Chelsea, SD
- Average sunshine days in February: 16.3 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in February
Chelsea, SD
- Average UV index in February: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in February
Chelsea, SD
- Average cloud cover in February: 55
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in February
Chelsea, 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).
Chelsea, South Dakota, USA
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