February weather forecastSullivan, IN
February
Weather in February
February, the last month of the winter in Sullivan, is also a wintry month, with an average temperature fluctuating between 40.6°F (4.8°C) and 27°F (-2.8°C).Temperature
Transitioning into February, Sullivan records an average high-temperature of a still cold 40.6°F (4.8°C), almost identical to January's 36°F (2.2°C). Nighttime temperature dips to a mean of 27°F (-2.8°C) during February.Humidity
In Sullivan, the average relative humidity in February is 79%.Rainfall
In Sullivan, Indiana, in February, during 8.6 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Sullivan, during the entire year, the rain falls for 150.1 days and collects up to 28.5" (724mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In February, it is snowing for 5.5 days. Throughout February, 1.22" (31mm) of snow is accumulated. Throughout the year, there are 23.8 snowfall days, and 6.89" (175mm) of snow is accumulated.Daylight
The average length of the day in February is 10h and 46min.On the first day of February, sunrise is at 7:56 am and sunset at 6:10 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 6:41 pm EST.
Sunshine
The average sunshine in February is 5.7h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during February translates into these guidelines:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Sullivan, IN
- Average high temperature in February: 40.6°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in February: 27°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in February
Sullivan, IN
- Average pressure in February: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in February
Sullivan, IN
- Average wind speed in February: 9.8mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in February
Sullivan, IN
- Average humidity in February: 79%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in February
Sullivan, IN
- Average rainfall in February: 1.61"
The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in February
Sullivan, IN
- Average rainfall days in February: 8.6 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in February
Sullivan, IN
- Average snowfall in February: 1.22"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in February
Sullivan, IN
- Average snowfall days in February: 5.5 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in February /
Average sunshine in February
Sullivan, IN
- Average daylight in February: 10h and 48min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in February: 5h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in February
Sullivan, IN
- Average sunshine days in February: 13.9 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in February
Sullivan, IN
- Average UV index in February: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in February
Sullivan, IN
- Average cloud cover in February: 54
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in February
Sullivan, IN
- 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).





