February weather forecast
St. Louis, MO

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A beautiful twilight over the Gateway Arch in St. Louis, Missouri
A beautiful twilight over the Gateway Arch in St. Louis, Missouri

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. 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 arrival of February in St. Louis brings an average high-temperature of a frosty 45°F, nearly identical to January's 39.9°F. In St. Louis, the average low-temperature during the month of February is a subzero cold 27.7°F.

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" of precipitation.

Snowfall

Months with snowfall in St. Louis, Missouri, are January through April, November and December. In St. Louis, in February, snow falls for 3.4 days, with typically accumulated 4.29" of snow. Throughout the year, in St. Louis, there are 14.5 snowfall days, and 17.72" of snow is accumulated.

Daylight

In February, the average length of the day in St. Louis is 10h and 47min.
On the first day of the month, sunrise is at 7:06 am and sunset at 5:22 pm. On the last day of February, in St. Louis, sunrise is at 6:34 am and sunset at 5:52 pm CST.

Sunshine

In February, the average sunshine in St. Louis is 5.7h.

UV index

The average daily maximum UV index in February in St. Louis, Missouri, is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 3 in February leads to these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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FAQ

What is the temperature in February in St. Louis?

The high-temperature during February is 45°F and the low-temperature is 27.7°F.

What is the average humidity in February in St. Louis?

The average relative humidity in February is 72%.

What is the driest month in St. Louis?

The month with the least rainfall in St. Louis, Missouri, is February, when the rain falls for 8 days and typically collects 2.24" of precipitation.

How many days does it rain in February in St. Louis?

In St. Louis, during February, the rain falls for 8 days and regularly aggregates up to 2.24" of precipitation.

How much does it snow in St. Louis in February?

In St. Louis, Missouri, in February, snow falls for 3.4 days, with typically accumulated 4.29" of snow.

How many hours of daylight does St. Louis have in February?

The average day length in February in St. Louis, Missouri, is 10h and 47min.

What time are sunrise and sunset in February in St. Louis?

On the first day of February in St. Louis, Missouri, sunrise is at 7:06 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 5:52 pm CST.

How many hours of sunshine does St. Louis have in February?

In St. Louis, the average sunshine duration in February is 5.7h.

How high is the UV index in February in St. Louis?

In St. Louis, the average daily maximum UV index in February is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in February
St. Louis, MO

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).

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Average humidity in February
St. Louis, MO

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%).

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Average rainfall in February
St. Louis, MO

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").

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Average rainfall days in February
St. Louis, MO

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).

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Average snowfall in February
St. Louis, MO

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").

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Average snowfall days in February
St. Louis, MO

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).

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Average daylight in February /
Average sunshine in February
St. Louis, MO

Average daylight in February / Average sunshine in February - St. Louis, MO
  • Average daylight in February: 10h and 5min

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 4min

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).

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Average UV index in February
St. Louis, MO

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).

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St. Louis, Missouri, USA

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