January weather forecast
Earth City, MO

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Weather in January

January, the same as December, is an icy winter month in Earth City, Missouri, with temperature in the range of an average low of 24.3°F (-4.3°C) and an average high of 37.2°F (2.9°C).

Temperature

Earth City's January weather reaches an average high of 37.2°F (2.9°C) and an average low of 24.3°F (-4.3°C), making it the coldest month.

Humidity

In January, the average relative humidity is 75%.

Rainfall

In Earth City, during January, the rain falls for 7.8 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, in Earth City, there are 141.9 rainfall days, and 27.68" (703mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Earth City, during January, snow falls for 6.8 days and regularly aggregates up to 1.46" (37mm) of snow. Throughout the year, there are 21.6 snowfall days, and 6.73" (171mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 49min.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:50 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:21 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.6h of sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Earth City?

In Earth City, January is known for its average lowest temperatures, reaching a high of 37.2°F (2.9°C) and a low of 24.3°F (-4.3°C).

How cold is January?

An average high-temperature, in January, in Earth City, is 37.2°F (2.9°C) and the average low-temperature is 24.3°F (-4.3°C).

What is the average humidity in January in Earth City?

In Earth City, the average relative humidity in January is 75%.

How much does it rain in January?

In Earth City, in January, during 7.8 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Earth City, in January, snow falls for 6.8 days, with typically accumulated 1.46" (37mm) of snow.

How many hours of daylight does Earth City have in January?

In Earth City, the average day length in January is 9h and 49min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:19 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:21 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.6h of sunshine.

How long on average sun shines in January?

The average sunshine duration in January is 4.6h.

What is the month with the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

How high is the UV index in January?

In Earth City, Missouri, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Earth City, MO

Average temperature in January - Earth City, MO
  • Average high temperature in January: 37.2°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in January: 24.3°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in January
Earth City, MO

Average pressure in January - Earth City, MO
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in January
Earth City, MO

Average wind speed in January - Earth City, MO
  • Average wind speed in January: 9.3mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in January
Earth City, MO

Average humidity in January - Earth City, MO
  • Average humidity in January: 75%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).

Average rainfall in January
Earth City, MO

Average rainfall in January - Earth City, MO
  • Average rainfall in January: 1.61"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.42").

Average rainfall days in January
Earth City, MO

Average rainfall days in January - Earth City, MO
  • Average rainfall days in January: 7.8 days

The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are February and December (7.3 days).

Average snowfall in January
Earth City, MO

Average snowfall in January - Earth City, MO
  • Average snowfall in January: 1.46"

The month with the highest snowfall is February (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Earth City, MO

Average snowfall days in January - Earth City, MO
  • Average snowfall days in January: 6.8 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Earth City, MO

Average daylight in January / Average sunshine in January - Earth City, MO
  • Average daylight in January: 9h 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 January: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in January
Earth City, MO

Average sunshine days in January - Earth City, MO
  • Average sunshine days in January: 18.7 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in January
Earth City, MO

Average UV index in January - Earth City, MO
  • Average UV index in January: 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 and December (UV index 2).

Average cloud cover in January
Earth City, MO

Average cloud cover in January - Earth City, MO
  • Average cloud cover in January: 50

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in January
Earth City, MO

Average visibility in January - Earth City, MO
  • Average visibility in January: 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).

Earth City, Missouri, USA

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