Jefferson City
Missouri, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Jefferson City, MO

The scenic view of the State Capitol building in Jefferson City, Missouri, surrounded by a beautiful park, reflected in a pool of water nearby
The scenic view of the State Capitol building in Jefferson City, Missouri, surrounded by a beautiful park, reflected in a pool of water nearby
January, the same as December, is a wintry winter month in Jefferson City, Missouri, with average temperature ranging between min 19.9°F (-6.7°C) and max 39.9°F (4.4°C).

Temperature

With an average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 19.9°F (-6.7°C), January is the coldest month.

Rainfall

January is the month with the least rainfall. Rain falls for 7 days and accumulates 1.9" (49mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. January is the month with the most snowfall in Jefferson City, with 4.8" (121.9mm) of accumulated snow.

Daylight

In January, the average length of the day is 9.8h.

Sunshine

January, November and December, with an average of 5h of sunshine, are months with the least sunshine.

UV index

Months with the lowest UV index in Jefferson City are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 2 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in Jefferson City?

The coldest month is January, with an average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 19.9°F (-6.7°C).

What is the temperature in January in Jefferson City?

In Jefferson City, Missouri, in January, the average high-temperature is 39.9°F (4.4°C), and the average low-temperature is 19.9°F (-6.7°C).

How much does it rain in Jefferson City in January?

In January, the rain falls for 7 days. Throughout January, 1.9" (49mm) of precipitation is accumulated.

What is the driest month in Jefferson City?

The month with the least rainfall in Jefferson City is January when the rain falls for 7 days and typically collects 1.9" (49mm) of precipitation.

How much does it snow in Jefferson City in January?

During January, Jefferson City regularly aggregates up to 4.8" (121.9mm) of snow.

When does it snow the most in Jefferson City?

The month with the most snowfall is January when 4.8" (121.9mm) of snow is typically aggregated.

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

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

What is the month with the least sunshine in Jefferson City?

Months with the least sunshine are January, November and December, with an average of 5h of sunshine.

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

In January, the average sunshine in Jefferson City is 5h.

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

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

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

In January, the average daily maximum UV index in Jefferson City is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to the UV radiation.
Average temperature in January - Jefferson City, MO
  • Average high temperature in January: 39.9°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in January: 19.9°F

The month with the highest average low temperature is July (67.2°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

Average rainfall in January - Jefferson City, MO
  • Average rainfall in January: 1.9"

The wettest month (with the highest rainfall) is May (5.2").
The driest month (with the lowest rainfall) is January (1.9").

Average rainfall days in January - Jefferson City, MO
  • Average rainfall days in January: 7 days

The month with the highest number of rainy days is May (12 days).
The month with the lowest number of rainy days is January (7 days).

Average snowfall in January - Jefferson City, MO
  • Average snowfall in January: 4.8"

The month with the highest snowfall is January (4.8").
Months with the lowest snowfall are May, June, July, August, September and October (0").

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 shortest days is December (Average daylight: 9.5h).

  • Average sunshine in January: 5h

Months with most sunshine are June and July (Average sunshine: 10h).
Months with least sunshine are January, November and December (Average sunshine: 5).

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

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).