January weather forecast
Valley Park, MO

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Weather in January

January, the same as December, is an icy winter month in Valley Park, Missouri, with an average temperature fluctuating between 24.6°F (-4.1°C) and 38.1°F (3.4°C).

Temperature

In Valley Park, the lowest average temperatures are observed in January, with a high of 38.1°F (3.4°C) and a low of 24.6°F (-4.1°C).

Humidity

In Valley Park, the average relative humidity in January is 74%.

Rainfall

In Valley Park, in January, during 6.3 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Valley Park, during the entire year, the rain falls for 141.7 days and collects up to 32.01" (813mm) of precipitation.

Snowfall

January through March, September, November and December are months with snowfall. The month with the most snowfall is January, when snow falls for 6.7 days and typically aggregates up to 2.52" (64mm) of snow.

Daylight

In January, the average length of the day is 9h and 50min.
On the first day of January, sunrise is at 7:19 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:22 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.5h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 2 in January suggests the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

In Valley Park, the average lowest temperatures are observed in January, with a high of 38.1°F (3.4°C) and a low of 24.6°F (-4.1°C).

Is it cold during January?

In January, in Valley Park, the average high-temperature is 38.1°F (3.4°C), and the average low-temperature is 24.6°F (-4.1°C).

What is the average humidity in January?

The average relative humidity in January is 74%.

How many days does it rain in January?

In Valley Park, during January, the rain falls for 6.3 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When does it snow the most?

The month with the most snowfall in Valley Park, Missouri, is January, when snow falls for 6.7 days and typically aggregates up to 2.52" (64mm) of snow.

How much does it snow in January?

In Valley Park, in January, snow falls for 6.7 days, with typically accumulated 2.52" (64mm) of snow.

How many hours of daylight does Valley Park have in January?

In January, the average day length is 9h and 50min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:19 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:22 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.5h of sunshine.

How many hours of sunshine does Valley Park have in January?

In January, the average sunshine duration is 4.5h.

When is the lowest UV index?

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

How high is the UV index in January in Valley Park?

In January, the average daily maximum UV index in Valley Park is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Valley Park, MO

Average temperature in January - Valley Park, MO
  • Average high temperature in January: 38.1°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in January: 24.6°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in January
Valley Park, MO

Average pressure in January - Valley Park, 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
Valley Park, MO

Average wind speed in January - Valley Park, MO
  • Average wind speed in January: 8.9mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
Valley Park, MO

Average humidity in January - Valley Park, MO
  • Average humidity in January: 74%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
Valley Park, MO

Average rainfall in January - Valley Park, MO
  • Average rainfall in January: 2.05"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is February (1.54").

Average rainfall days in January
Valley Park, MO

Average rainfall days in January - Valley Park, MO
  • Average rainfall days in January: 6.3 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in January
Valley Park, MO

Average snowfall in January - Valley Park, MO
  • Average snowfall in January: 2.52"

The month with the highest snowfall is January (2.52").
The months with the least snowfall are April, May, June, July, August and October (0").

Average snowfall days in January
Valley Park, MO

Average snowfall days in January - Valley Park, MO
  • Average snowfall days in January: 6.7 days

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are April, May, June, July and August (0 days).

Average daylight in January /
Average sunshine in January
Valley Park, MO

Average daylight in January / Average sunshine in January - Valley Park, 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 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in January
Valley Park, MO

Average sunshine days in January - Valley Park, MO
  • Average sunshine days in January: 19.1 days

The month with the most sunshine days is December (20.1 days).
The months with the least sunshine days are May and July (12.6 days).

Average UV index in January
Valley Park, MO

Average UV index in January - Valley Park, MO
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Valley Park, MO

Average cloud cover in January - Valley Park, MO
  • Average cloud cover in January: 51

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).

Average visibility in January
Valley Park, MO

Average visibility in January - Valley Park, 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).

Valley Park, Missouri, USA

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