February weather forecast
St. Louis, MO

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, the last month of the winter in St. Louis, is a chilly month, with an average temperature varying between 45°F (7.2°C) and 27.7°F (-2.4°C).

Temperature

In St. Louis, the average high-temperature in February is relatively the same as in January - a chilly 45°F (7.2°C). In St. Louis, in February, the average low-temperature is 27.7°F (-2.4°C).

Humidity

In St. Louis, the average relative humidity in February is 72%.

Rainfall

February is the month with the least rainfall in St. Louis. Rain falls for 8 days and accumulates 2.24" (56.9mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in St. Louis, Missouri. In February, in St. Louis, Missouri, it is snowing for 3.4 days. Throughout February, 4.3" (109.2mm) of snow is accumulated. In St. Louis, during the entire year, snow falls for 14.5 days and aggregates up to 17.7" (449.6mm) of snow.

Daylight

The average length of the day in February 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 6:33 am and sunset at 5:52 pm CST.

Sunshine

The average sunshine in February in St. Louis is 5.7h.

UV index

In St. Louis, the average daily maximum UV index in February is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In February, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

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

In February, the average relative humidity in St. Louis, Missouri, is 72%.

What is the driest month in St. Louis?

February is the month with the least rainfall in St. Louis, Missouri. Rain falls for 8 days and accumulates 2.24" (56.9mm) of precipitation.

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

In February, in St. Louis, the rain falls for 8 days. Throughout February, 2.24" (56.9mm) of precipitation is accumulated.

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

In St. Louis, Missouri, during February, snow falls for 3.4 days and regularly aggregates up to 4.3" (109.2mm) of snow.

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

In February, the average day length in St. Louis is 10h and 47min.

When is the sunrise / sunset in February in St. Louis?

In February, on the first day of the month, sunrise is at 7:06 am and sunset at 5:22 pm. On the last day of the month, in St. Louis, Missouri, sunrise is at 6:33 am and sunset at 5:52 pm CST.

How long on average sun shines in February in St. Louis?

The average sunshine duration in February in St. Louis, Missouri, is 5.7h.

What is the UV index reading in February in St. Louis?

In February, the average daily maximum UV index in St. Louis is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
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 47min

The month with the longest days is June (Average daylight: 14h and 49min).
The month with the shortest days is December (Average daylight: 9h and 31min).

  • 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).

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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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