January weather forecast
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, like December, in Jefferson City, Missouri, is another cold winter month, with an average temperature varying between 38.5°F (3.6°C) and 24.3°F (-4.3°C).

Temperature

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.

Humidity

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

Rainfall

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

Snowfall

January through March, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 5.2 days and accumulates 0.71" (18mm) of snow.

Daylight

The average length of the day in January in Jefferson City is 9h and 50min.
On the first day of the month, sunrise is at 7:26 am and sunset at 4:58 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:29 pm CST.

Sunshine

In January, the average sunshine in Jefferson City is 4.9h.

UV index

The months with the lowest UV index in Jefferson City are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Jefferson City?

January 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).

What is the temperature in January in Jefferson City?

In Jefferson City, Missouri, 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?

In January, the average relative humidity is 75%.

How much does it rain in Jefferson City in January?

In Jefferson City, Missouri, during January, the rain falls for 4 days and regularly aggregates up to 0.51" (13mm) of precipitation.

What is the snowiest month in Jefferson City?

January is the month with the most snowfall in Jefferson City. Snow falls for 5.2 days and accumulates 0.71" (18mm) of snow.

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

In Jefferson City, in January, during 5.2 snowfall days, 0.71" (18mm) of snow is typically accumulated.

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

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

What time are sunrise and sunset in January in Jefferson City?

In January, on the first day of the month, sunrise is at 7:26 am and sunset at 4:58 pm. On the last day of the month, in Jefferson City, sunrise is at 7:14 am and sunset at 5:29 pm CST.

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

The average sunshine duration in January in Jefferson City is 4.9h.

What are the months with the lowest UV index in Jefferson City?

The months with the lowest UV index in Jefferson City, Missouri, 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?

The average daily maximum UV index in January in Jefferson City, Missouri, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"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).

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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").
The 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).
The 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: 9h and 50min

The month with the longest days is June (Average daylight: 14h and 49min).
The month with the shortest days is December (Average daylight: 9h and 32min).

  • Average sunshine in January: 4h and 54min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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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

The months with the highest UV index are 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
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).
The 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

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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