February weather forecast and climate
St. Louis, MO

A beautiful twilight view of the Gateway Arch in St. Louis, Missouri, with a distant view of the city buildings mirrored in the waterfront
A beautiful twilight view of the Gateway Arch in St. Louis, Missouri, with a distant view of the city buildings mirrored in the waterfront
February, the last month of the winter, in St. Louis, is a chilly month, with average temperature varying between 45°F (7.2°C) and 27.7°F (-2.4°C).

Temperature

In February, the average high-temperature in St. Louis, Missouri, is practically the same as in January - a frosty 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

The month with the least rainfall in St. Louis is February when the rain falls for 8 days and typically collects 2.24" (56.9mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in St. Louis. In St. Louis, in February, during 3.4 snowfall days, 4.3" (109.2mm) of snow is typically accumulated. Throughout the year, in St. Louis, there are 14.5 snowfall days, and 17.7" (449.6mm) of snow is accumulated.

Daylight

The average length of the day in St. Louis is 10.8h.

Sunshine

The average sunshine 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 medium vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in February in St. Louis?

In February, in St. Louis, Missouri, the average high-temperature is 45°F (7.2°C), and the average low-temperature is 27.7°F (-2.4°C).

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

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

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

In St. Louis, Missouri, during February, the rain falls for 8 days and regularly aggregates up to 2.24" (56.9mm) of precipitation.

What is the driest month in St. Louis?

February is the month with the least rainfall. Rain falls for 8 days and accumulates 2.24" (56.9mm) 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 4.3" (109.2mm) of snow.

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

In February, the average length of the day is 10.8h.

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

In February, the average sunshine is 5.7h.

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

The average daily maximum UV index in February in St. Louis is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.
Average temperature in February - St. Louis, MO
  • Average high temperature in February: 7.2°C

The warmest month (with the highest average high temperature) is July (31.7°C).
The month with the lowest average high temperature is January (4.4°C).

  • Average low temperature in February: -2.4°C

The month with the highest average low temperature is July (21.7°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).

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: 56.9mm

The wettest month (with the highest rainfall) is May (119.9mm).
The driest month (with the least rainfall) is February (56.9mm).

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: 109.2mm

The month with the highest snowfall is January (142.2mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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).
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: 10.8h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in February: 5.7h

The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is December (Average sunshine: 4.2h).

Average UV index in February - St. Louis, MO
  • Average UV index in February: 3

Months with the highest UV index are June, July and August (UV index 9).
Months with the lowest UV index are January and December (UV index 2).