January weather forecast
Kirkwood, MO

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Weather in January

Known for its chilly conditions, January in Kirkwood, Missouri, grapples with colder temperatures and notable snowfall. Compared to the proceeding month of December, January sees a slight dip in temperatures with its high and low, reaching only 37.8°F (3.2°C) and 24.3°F (-4.3°C) respectively. Overcast skies and limited sunlight underline the winter atmosphere, while increased wind speeds further accentuate the cold. A layer of snow often beautifies the city during this month, making it a picturesque winter haven. As January transitions into February, a somewhat similar weather pattern, characterized by below-freezing temperatures and persistent snowfall, continues.

Temperature

January stands out as Kirkwood's coldest month, with temperatures ranging between an average high of 37.8°F (3.2°C) and a low of 24.3°F (-4.3°C).

Humidity

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

Rainfall

In January, in Kirkwood, Missouri, the rain falls for 6.5 days. Throughout January, 1.73" (44mm) of precipitation is accumulated. In Kirkwood, during the entire year, the rain falls for 144.8 days and collects up to 30.59" (777mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Kirkwood, in January, during 4.7 snowfall days, 2.24" (57mm) of snow is typically accumulated. Throughout the year, in Kirkwood, Missouri, there are 16.2 snowfall days, and 8.19" (208mm) of snow is accumulated.

Daylight

In January, the average length of the day in Kirkwood, 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, in Kirkwood, 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 reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 2 in January translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Kirkwood?

Kirkwood notes the coldest temperatures in January, with a average high of 37.8°F (3.2°C) and a low of 24.3°F (-4.3°C).

Is January cold in Kirkwood?

January temperatures in Kirkwood vary between a high-temperature of 37.8°F (3.2°C) and a low-temperature of 24.3°F (-4.3°C).

What is the average humidity in January in Kirkwood?

In Kirkwood, Missouri, the average relative humidity in January is 75%.

How many days does it rain in January in Kirkwood?

In Kirkwood, in January, during 6.5 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

How much does it snow in Kirkwood in January?

In Kirkwood, in January, snow falls for 4.7 days, with typically accumulated 2.24" (57mm) of snow.

How many hours of daylight does Kirkwood have in January?

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

What time are sunrise and sunset in January in Kirkwood?

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

What is the month with the least sunshine in Kirkwood?

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

How long on average sun shines in January in Kirkwood?

In Kirkwood, the average sunshine duration in January is 4.6h.

What is the month with the lowest UV index in Kirkwood?

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

How high is the UV index in January in Kirkwood?

The average daily maximum UV index in January in Kirkwood is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Kirkwood, MO

Average temperature in January - Kirkwood, 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
Kirkwood, MO

Average pressure in January - Kirkwood, 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
Kirkwood, MO

Average wind speed in January - Kirkwood, 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
Kirkwood, MO

Average humidity in January - Kirkwood, 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
Kirkwood, MO

Average rainfall in January - Kirkwood, 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
Kirkwood, MO

Average rainfall days in January - Kirkwood, 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
Kirkwood, MO

Average snowfall in January - Kirkwood, 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
Kirkwood, MO

Average snowfall days in January - Kirkwood, 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
Kirkwood, MO

Average daylight in January / Average sunshine in January - Kirkwood, 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
Kirkwood, MO

Average sunshine days in January - Kirkwood, 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
Kirkwood, MO

Average UV index in January - Kirkwood, 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
Kirkwood, MO

Average cloud cover in January - Kirkwood, 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
Kirkwood, MO

Average visibility in January - Kirkwood, 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).

Kirkwood, Missouri, USA

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