February weather forecastSt. Louis, MO
February
Weather in February
February sees a slight easing of January’s harsh winter conditions; days start to lengthen and temperatures, albeit marginally, show an upward trend appreciably. The average temperature rises from January but the conditions remain chilly at 27.6°F (-2.4°C). St. Louis still experiences snowfall; however, this decreases compared to January. The city dwellers get to enjoy increased sunlight, as daylight hours increase. This month also represents a break from consistent drizzle, as the number of rainfall days declines.Temperature
The transition into February in St. Louis shows a subtle variation to a frosty 45°F (7.2°C) from January's 39.9°F (4.4°C) in the average high-temperature. In February, St. Louis's temperature tends to fall to an average low of 27.7°F (-2.4°C) during the night.Humidity
In St. Louis, the average relative humidity in February is 72%.Rainfall
The month with the least rainfall in St. Louis is February, when the rain falls for 8 days and typically collects 2.24" (57mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in St. Louis, Missouri. In St. Louis, during February, snow falls for 3.4 days and regularly aggregates up to 4.29" (109mm) of snow. In St. Louis, during the entire year, snow falls for 14.5 days and aggregates up to 17.72" (450mm) of snow.Daylight
In St. Louis, the average length of the day in February is 10h and 47min.On the first day of February in St. Louis, sunrise is at 7:06 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 5:53 pm CST.
Sunshine
In St. Louis, Missouri, the average sunshine in February is 5.7h.UV index
In St. Louis, the average daily maximum UV index in February is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In February, the maximum UV index of 3 suggests this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
St. Louis, MO
- Average high temperature in February: 45°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in February: 27.6°F
The month with the highest average low temperature is July (71°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average humidity in February
St. Louis, MO
- Average humidity in February: 72%
The month with the highest relative humidity is December (75.8%).
The month with the lowest relative humidity is April (63.5%).
Average rainfall in February
St. Louis, MO
- Average rainfall in February: 2.2"
The wettest month (with the highest rainfall) is May (4.7").
The driest month (with the least rainfall) is February (2.2").
Average rainfall days in February
St. Louis, MO
- Average rainfall days in February: 8 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is September (7.4 days).
Average snowfall in February
St. Louis, MO
- Average snowfall in February: 4.3"
The month with the highest snowfall is January (5.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in February
St. Louis, MO
- Average snowfall days in February: 3.4 days
The month with the highest number of snowfall days is January (4.7 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
St. Louis, MO
- Average daylight in February: 10h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
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 July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average UV index in February
St. Louis, MO
- Average UV index in February: 3
The months with the highest UV index are June, July and August (UV index 9).
The months with the lowest UV index are January and December (UV index 2).
