January weather forecast
Lee's Summit, MO

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A series of scenic cascading waterfalls on a unique creek in Lee
A series of scenic cascading waterfalls on a unique creek in Lee's Summit, Missouri, with cliffs and large rocks visible in the misty white water

Weather in January

January experiences a shift from the bone-chilling cold of December to somewhat milder conditions. It is still a true winter month marked by lower temperatures and the occasional snow flurry. A notable average low temperature of 23.2°F (-4.9°C) is recorded, making it one of the coldest months. Towards the end of the month, there are perceptible longer daylight hours, hinting at the approaching spring. Despite this cold start to the year, some clear sunny days do occur, providing a reprieve from the grey winter.

Temperature

Lee's Summit notes the coldest temperatures in January, with a high average of 37.4°F (3°C) and a low of 23.2°F (-4.9°C).

Humidity

In January, the average relative humidity is 74%.

Rainfall

The month with the least rainfall is January, when the rain falls for 5.6 days and typically collects 0.98" (25mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Lee's Summit, Missouri. In Lee's Summit, during January, snow falls for 5.9 days and regularly aggregates up to 2.24" (57mm) of snow. Throughout the year, in Lee's Summit, there are 19.4 snowfall days, and 7.95" (202mm) of snow is accumulated.

Daylight

In January, the average length of the day in Lee's Summit, Missouri, is 9h and 49min.
On the first day of January, sunrise is at 7:36 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:37 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 5.1h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lee's Summit. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 2 in January converts into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What time of the year is the coldest in Lee's Summit?

January, with its average high-temperature of 37.4°F (3°C) and an average low-temperature of 23.2°F (-4.9°C), holds the record as the coldest month.

How cold is it in Lee's Summit in January?

During January, Lee's Summit experiences an average high-temperature of 37.4°F (3°C) and a low-temperature of 23.2°F (-4.9°C).

What is the average humidity in January in Lee's Summit?

The average relative humidity in January in Lee's Summit, Missouri, is 74%.

What is the driest month in Lee's Summit?

The month with the least rainfall is January, when the rain falls for 5.6 days and typically collects 0.98" (25mm) of precipitation.

How many days does it rain in January in Lee's Summit?

In Lee's Summit, in January, it is raining for 5.6 days, with typically 0.98" (25mm) of accumulated precipitation.

How much does it snow in Lee's Summit in January?

In Lee's Summit, Missouri, in January, during 5.9 snowfall days, 2.24" (57mm) of snow is typically accumulated.

How many hours of daylight does Lee's Summit have in January?

In Lee's Summit, the average day length in January is 9h and 49min.

When are sunrise and sunset in January in Lee's Summit?

In January, on the first day of the month, sunrise is at 7:36 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:37 pm CST.

What is the month with the least sunshine in Lee's Summit?

January has the least sunshine of the year in Lee's Summit, with an average of 5.1h of sunshine.

How many hours of sunshine does Lee's Summit have in January?

The average sunshine duration in January is 5.1h.

What are the months with the lowest UV index in Lee's Summit?

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

How high is the UV index in January in Lee's Summit?

In January, the average daily maximum UV index in Lee's Summit is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Lee's Summit, MO

Average temperature in January - Lee
  • Average high temperature in January: 37.4°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in January: 23.2°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 (23.2°F).

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Average pressure in January
Lee's Summit, MO

Average pressure in January - Lee
  • Average pressure in January: 30.17"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in January
Lee's Summit, MO

Average wind speed in January - Lee
  • Average wind speed in January: 9.8mph

The windiest months (with the highest average wind speed) are February, March and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in January
Lee's Summit, MO

Average humidity in January - Lee
  • Average humidity in January: 74%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in January
Lee's Summit, MO

Average rainfall in January - Lee
  • Average rainfall in January: 0.98"

The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (0.98").

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Average rainfall days in January
Lee's Summit, MO

Average rainfall days in January - Lee
  • Average rainfall days in January: 5.6 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (5.6 days).

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Average snowfall in January
Lee's Summit, MO

Average snowfall in January - Lee
  • Average snowfall in January: 2.24"

The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Lee's Summit, MO

Average snowfall days in January - Lee
  • Average snowfall days in January: 5.9 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Lee's Summit, MO

Average daylight in January / Average sunshine in January - Lee
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in January
Lee's Summit, MO

Average sunshine days in January - Lee
  • Average sunshine days in January: 20 days

The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in January
Lee's Summit, MO

Average UV index in January - Lee
  • 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, November and December (UV index 2).

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Average cloud cover in January
Lee's Summit, MO

Average cloud cover in January - Lee
  • Average cloud cover in January: 44

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in January
Lee's Summit, MO

Average visibility in January - Lee
  • 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).

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Lee's Summit, Missouri, USA

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