Hazelwood
Missouri, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Hazelwood, MO

January, like December, in Hazelwood, Missouri, is another cold winter month, with average temperature ranging between max 37.2°F (2.9°C) and min 24.3°F (-4.3°C).

Temperature

The coldest month is January, with an average high-temperature of 37.2°F (2.9°C) and an average low-temperature of 24.3°F (-4.3°C).

Humidity

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

Rainfall

In Hazelwood, Missouri, during 7.8 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, in Hazelwood, there are 141.9 rainfall days, and 27.68" (703mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Hazelwood, Missouri, are January through March, November and December. In Hazelwood, Missouri, during January, snow falls for 6.8 days and regularly aggregates up to 1.46" (37mm) of snow. In Hazelwood, during the entire year, snow falls for 21.6 days, and aggregates up to 6.73" (171mm) of snow.

Daylight

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

Sunshine

January has the least sunshine of the year in Hazelwood, Missouri, with an average of 4.6h of sunshine.

UV index

Months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
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. 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.

What is the coldest month in Hazelwood?

With an average high-temperature of 37.2°F (2.9°C) and an average low-temperature of 24.3°F (-4.3°C), January is the coldest month.

What is the temperature in January in Hazelwood?

In Hazelwood, in January, the average high-temperature is 37.2°F (2.9°C), and the average low-temperature is 24.3°F (-4.3°C).

What is the average humidity in January in Hazelwood?

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

How much does it rain in Hazelwood in January?

In January, in Hazelwood, the rain falls for 7.8 days. Throughout January, 1.61" (41mm) of precipitation is accumulated.

How much does it snow in Hazelwood in January?

In Hazelwood, Missouri, in January, during 6.8 snowfall days, 1.46" (37mm) of snow is typically accumulated.

What is the average length of the day in January in Hazelwood?

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

What is the month with the least sunshine in Hazelwood?

January has the least sunshine of the year in Hazelwood, Missouri, with an average of 4.6h of sunshine.

How long on average sun shines in January in Hazelwood?

The average sunshine in January in Hazelwood, Missouri, is 4.6h.

What are the months with the lowest UV index in Hazelwood?

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

How high is the UV index in January in Hazelwood?

In Hazelwood, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.
Average temperature in January - Hazelwood, MO
  • Average high temperature in January: 37.2°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in January: 24.3°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 (24.3°F).

Average humidity in January - Hazelwood, 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 (70%).

Average rainfall in January - Hazelwood, MO
  • Average rainfall in January: 1.61"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.42").

Average rainfall days in January - Hazelwood, MO
  • Average rainfall days in January: 7.8 days

The month with the highest number of rainy days is July (16.3 days).
Months with the least rainy days are February and December (7.3 days).

Average snowfall in January - Hazelwood, MO
  • Average snowfall in January: 1.46"

The month with the highest snowfall is February (2.05").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January - Hazelwood, MO
  • Average snowfall days in January: 6.8 days

The month with the highest number of snowfall days is January (6.8 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in January: 4.6h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 4.6h).

Average UV index in January - Hazelwood, MO
  • Average UV index in January: 2

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