January weather forecast
Hanley Hills, MO

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Weather in January

January, the same as December, is an icy winter month in Hanley Hills, Missouri, with temperature in the range of an average high of 37.8°F (3.2°C) and an average low of 24.3°F (-4.3°C).

Temperature

January is the coldest month of the year, registering average temperatures as high as 37.8°F (3.2°C) and as low as 24.3°F (-4.3°C).

Humidity

The average relative humidity in January in Hanley Hills is 75%.

Rainfall

In Hanley Hills, Missouri, in January, it is raining for 6.5 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 144.8 rainfall days, and 30.59" (777mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In January, in Hanley Hills, it is snowing for 4.7 days. Throughout January, 2.24" (57mm) of snow is accumulated. In Hanley Hills, during the entire year, snow falls for 16.2 days and aggregates up to 8.19" (208mm) of snow.

Daylight

The average length of the day in January in Hanley Hills, Missouri, is 9h and 50min.
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 7:07 am and sunset at 5:21 pm CST.

Sunshine

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

UV index

The months with the lowest UV index in Hanley Hills are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health 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:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Hanley Hills?

January, characterized by an average high temperature of 37.8°F (3.2°C) and a low temperature of 24.3°F (-4.3°C), is generally the coldest month in Hanley Hills, Missouri.

Is it cold in Hanley Hills during January?

The average high-temperature and low-temperature in Hanley Hills, Missouri, during January are 37.8°F (3.2°C) and 24.3°F (-4.3°C) respectively.

What is the average humidity in January in Hanley Hills?

The average relative humidity in January is 75%.

How many days does it rain in January in Hanley Hills?

In January, the rain falls for 6.5 days. Throughout January, 1.73" (44mm) of precipitation is accumulated.

How many days does it snow in January in Hanley Hills?

In Hanley Hills, Missouri, during January, snow falls for 4.7 days and regularly aggregates up to 2.24" (57mm) of snow.

How many hours of daylight does Hanley Hills have in January?

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

What time are sunrise and sunset in January in Hanley Hills?

On the first day of January in Hanley Hills, sunrise is at 7:19 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:21 pm CST.

What is the month with the least sunshine in Hanley Hills?

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

How long on average sun shines in January in Hanley Hills?

In January, the average sunshine duration is 4.6h.

What are the months with the lowest UV index in Hanley Hills?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Hanley Hills, Missouri.

What is the UV index intensity in January in Hanley Hills?

In January, the average daily maximum UV index in Hanley Hills is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Hanley Hills, MO

Average temperature in January - Hanley Hills, MO
  • Average high temperature in January: 37.8°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in January: 24.3°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in January
Hanley Hills, MO

Average pressure in January - Hanley Hills, 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
Hanley Hills, MO

Average wind speed in January - Hanley Hills, MO
  • Average wind speed in January: 9.2mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in January
Hanley Hills, MO

Average humidity in January - Hanley Hills, MO
  • Average humidity in January: 75%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).

Average rainfall in January
Hanley Hills, MO

Average rainfall in January - Hanley Hills, MO
  • Average rainfall in January: 1.73"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.69").

Average rainfall days in January
Hanley Hills, MO

Average rainfall days in January - Hanley Hills, MO
  • Average rainfall days in January: 6.5 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in January
Hanley Hills, MO

Average snowfall in January - Hanley Hills, MO
  • Average snowfall in January: 2.24"

The month with the highest snowfall is February (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Hanley Hills, MO

Average snowfall days in January - Hanley Hills, MO
  • Average snowfall days in January: 4.7 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in January /
Average sunshine in January
Hanley Hills, MO

Average daylight in January / Average sunshine in January - Hanley Hills, 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 months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in January
Hanley Hills, MO

Average sunshine days in January - Hanley Hills, MO
  • Average sunshine days in January: 21 days

The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in January
Hanley Hills, MO

Average UV index in January - Hanley Hills, 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
Hanley Hills, MO

Average cloud cover in January - Hanley Hills, 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
Hanley Hills, MO

Average visibility in January - Hanley Hills, 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).

Hanley Hills, Missouri, USA

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