February weather forecastSully, IA
February
Weather in February
The last month of the winter, February, is also a subzero cold month in Sully, Iowa, with an average temperature fluctuating between 17.4°F (-8.1°C) and 31.5°F (-0.3°C).Temperature
At the start of February, Sully's average high-temperature reaches a still freezing cold 31.5°F (-0.3°C), subtly different from the preceding month. Sully's February nights cool down to an average low-temperature of 17.4°F (-8.1°C).Humidity
In Sully, the average relative humidity in February is 83%.Rainfall
January, February and December are months with the least rain in Sully when the rain falls for 3.4 days and typically aggregates up to 0.39" (10mm) of rain.Snowfall
January through May, October through December are months with snowfall. In February, in Sully, it is snowing for 7.3 days. Throughout February, 1.54" (39mm) of snow is accumulated. In Sully, Iowa, during the entire year, snow falls for 28.8 days and aggregates up to 5.28" (134mm) of snow.Daylight
In February, the average length of the day in Sully, Iowa, is 10h and 38min.On the first day of February in Sully, sunrise is at 7:23 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:01 pm CST.
Sunshine
In February, the average sunshine is 4.5h.UV index
The average daily maximum UV index in February is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 2 in February translates into the following instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Sully, IA
- Average high temperature in February: 31.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in February: 17.4°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in February
Sully, IA
- 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 (29.89"Hg).
Average wind speed in February
Sully, IA
- Average wind speed in February: 10.4mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in February
Sully, IA
- Average humidity in February: 83%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in February
Sully, IA
- Average rainfall in February: 0.39"
The wettest month (with the highest rainfall) is May (2.13").
The driest months (with the least rainfall) are January, February and December (0.39").
Average rainfall days in February
Sully, IA
- Average rainfall days in February: 3.4 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in February
Sully, IA
- Average snowfall in February: 1.54"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in February
Sully, IA
- Average snowfall days in February: 7.3 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in February /
Average sunshine in February
Sully, IA
- Average daylight in February: 10h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in February: 4h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in February
Sully, IA
- Average sunshine days in February: 19.1 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in February
Sully, IA
- 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
Sully, IA
- Average cloud cover in February: 52
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in February
Sully, IA
- Average visibility in February: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





