January weather forecast
Post Oak, MO

Weather in January

January, like December, in Post Oak, Missouri, is a wintry winter month, with an average temperature fluctuating between 38.1°F (3.4°C) and 23.5°F (-4.7°C).

Temperature

The coldest month is January, with an average high-temperature of 38.1°F (3.4°C) and an average low-temperature of 23.5°F (-4.7°C).

Humidity

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

Rainfall

January is the month with the least rainfall. Rain falls for 5.5 days and accumulates 0.87" (22mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. The month with the most snowfall is January, when snow falls for 5.2 days and typically aggregates up to 1.77" (45mm) of snow.

Daylight

The average length of the day in January is 9h and 50min.
On the first day of January in Post Oak, sunrise is at 7:32 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:35 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 4.9h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in January transform into the following instructions:
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 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.
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FAQ

What is the coldest month in Post Oak?

January is the coldest month, with an average high-temperature of 38.1°F (3.4°C) and an average low-temperature of 23.5°F (-4.7°C).

What is the temperature in January in Post Oak?

In Post Oak, Missouri, in January, the average high-temperature is 38.1°F (3.4°C), and the average low-temperature is 23.5°F (-4.7°C).

What is the average humidity in January in Post Oak?

The average relative humidity in January in Post Oak, Missouri, is 75%.

What is the driest month in Post Oak?

January is the month with the least rainfall in Post Oak. Rain falls for 5.5 days and accumulates 0.87" (22mm) of precipitation.

How many days does it rain in January in Post Oak?

In January, in Post Oak, Missouri, the rain falls for 5.5 days. Throughout January, 0.87" (22mm) of precipitation is accumulated.

When does it snow the most in Post Oak?

January is the month with the most snowfall in Post Oak, Missouri. Snow falls for 5.2 days and accumulates 1.77" (45mm) of snow.

How much does it snow in Post Oak in January?

In Post Oak, in January, snow falls for 5.2 days, with typically accumulated 1.77" (45mm) of snow.

How many hours of daylight does Post Oak have in January?

The average day length in January in Post Oak is 9h and 50min.

When is the sunrise / sunset in January in Post Oak?

On the first day of January, sunrise is at 7:32 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:35 pm CST.

What is the month with the least sunshine in Post Oak?

With an average of 4.9h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in Post Oak?

In Post Oak, the average sunshine duration in January is 4.9h.

When is the lowest UV index in Post Oak?

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

How high is the UV index in January in Post Oak?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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
Post Oak, MO

Average temperature in January - Post Oak, MO
  • Average high temperature in January: 38.1°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 (38.1°F).

  • Average low temperature in January: 23.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

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Average pressure in January
Post Oak, MO

Average pressure in January - Post Oak, MO
  • 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 (29.91"Hg).

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Average wind speed in January
Post Oak, MO

Average wind speed in January - Post Oak, MO
  • Average wind speed in January: 10.1mph

The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in January
Post Oak, MO

Average humidity in January - Post Oak, MO
  • Average humidity in January: 75%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in January
Post Oak, MO

Average rainfall in January - Post Oak, MO
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is January (0.87").

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Average rainfall days in January
Post Oak, MO

Average rainfall days in January - Post Oak, MO
  • Average rainfall days in January: 5.5 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall in January
Post Oak, MO

Average snowfall in January - Post Oak, MO
  • Average snowfall in January: 1.77"

The month with the highest snowfall is January (1.77").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Post Oak, MO

Average snowfall days in January - Post Oak, MO
  • Average snowfall days in January: 5.2 days

The month with the highest number of snowfall days is February (6.1 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
Post Oak, MO

Average daylight in January / Average sunshine in January - Post Oak, 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 months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in January
Post Oak, MO

Average sunshine days in January - Post Oak, MO
  • Average sunshine days in January: 20 days

The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is May (12.9 days).

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Average UV index in January
Post Oak, MO

Average UV index in January - Post Oak, 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
Post Oak, MO

Average cloud cover in January - Post Oak, MO
  • Average cloud cover in January: 46

The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 28).

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Average visibility in January
Post Oak, MO

Average visibility in January - Post Oak, 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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