January weather forecast and climate
Jefferson City, MO

The State Capitol building surrounded by a beautiful park in Jefferson City, Missouri
The State Capitol building surrounded by a beautiful park in Jefferson City, Missouri

Weather in January

January, the same as December, is a wintry winter month in Jefferson City, Missouri, with average temperature fluctuating between 38.5°F (3.6°C) and 24.3°F (-4.3°C).

Temperature

The coldest month is January, with an average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 24.3°F (-4.3°C).

Humidity

In January, the average relative humidity is 75%.

Rainfall

In Jefferson City, Missouri, in January, it is raining for 4 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 93.7 rainfall days, and 9.29" (236mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Jefferson City are January through March, November and December. The month with the most snowfall in Jefferson City is January when snow falls for 5.2 days and typically aggregates up to 0.71" (18mm) of snow.

Daylight

The average length of the day in Jefferson City is 9.8h.

Sunshine

The average sunshine in Jefferson City is 4.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Jefferson City. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 2 transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Jefferson City?

With an average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 24.3°F (-4.3°C), January is the coldest month in Jefferson City.

What is the temperature in January in Jefferson City?

In January, the average high-temperature is 38.5°F (3.6°C), and the average low-temperature is 24.3°F (-4.3°C).

What is the average humidity in January in Jefferson City?

The average relative humidity in January in Jefferson City is 75%.

How many days does it rain in January in Jefferson City?

In January, in Jefferson City, Missouri, the rain falls for 4 days. Throughout January, 0.51" (13mm) of precipitation is accumulated.

How many days does it snow in January in Jefferson City?

In January, in Jefferson City, it is snowing for 5.2 days. Throughout January, 0.71" (18mm) of snow is accumulated.

What is the snowiest month in Jefferson City?

The month with the most snowfall is January when snow falls for 5.2 days and typically aggregates up to 0.71" (18mm) of snow.

What is the average length of the day in January in Jefferson City?

The average length of the day in January in Jefferson City, Missouri, is 9.8h.

How many hours of sunshine does Jefferson City have in January?

In January, the average sunshine is 4.9h.

When is the lowest UV index in Jefferson City?

Months with the lowest UV index in Jefferson City are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in January in Jefferson City?

In Jefferson City, Missouri, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in January
Jefferson City, MO

Average temperature in January - Jefferson City, MO
  • Average high temperature in January: 38.5°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in January: 24.3°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in January
Jefferson City, MO

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

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

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Average wind speed in January
Jefferson City, MO

Average wind speed in January - Jefferson City, MO
  • Average wind speed in January: 8.8mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in January
Jefferson City, MO

Average humidity in January - Jefferson 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 (72%).

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Average rainfall in January
Jefferson City, MO

Average rainfall in January - Jefferson City, MO
  • Average rainfall in January: 0.51"

The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is November (0.47").

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Average rainfall days in January
Jefferson City, MO

Average rainfall days in January - Jefferson City, MO
  • Average rainfall days in January: 4 days

The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is January (4 days).

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Average snowfall in January
Jefferson City, MO

Average snowfall in January - Jefferson City, MO
  • Average snowfall in January: 0.71"

The month with the highest snowfall is January (0.71").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Jefferson City, MO

Average snowfall days in January - Jefferson City, MO
  • Average snowfall days in January: 5.2 days

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

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

Average daylight in January / Average sunshine in January - Jefferson City, MO
  • Average daylight in January: 9.8h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in January: 4.9h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in January
Jefferson City, MO

Average sunshine days in January - Jefferson City, MO
  • Average sunshine days in January: 24.3 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (16.7 days).

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Average UV index in January
Jefferson City, MO

Average UV index in January - Jefferson City, MO
  • Average UV index in January: 2

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Jefferson City, MO

Average cloud cover in January - Jefferson City, MO
  • Average cloud cover in January: 48

The month with the most cloud cover is February (Cloud cover 49).
Months with the least cloud cover are June and August (Cloud cover 28).

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Average visibility in January
Jefferson City, MO

Average visibility in January - Jefferson City, MO
  • Average visibility in January: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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