January weather forecast
Hartwell, MO

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Weather in January

January, like December, in Hartwell, Missouri, is another cold winter month, with temperature in the range of an average low of 24.8°F (-4°C) and an average high of 39°F (3.9°C).

Temperature

Temperature readings reach their annual highs in January, averaging 39°F (3.9°C) and a minimum average of 24.8°F (-4°C).

Humidity

The average relative humidity in January is 74%.

Rainfall

January is the month with the least rainfall. Rain falls for 5.7 days and accumulates 1.14" (29mm) of precipitation.

Snowfall

Months with snowfall in Hartwell, Missouri, are January through March, May, October through December. In Hartwell, during January, snow falls for 4.1 days and regularly aggregates up to 1.97" (50mm) of snow. In Hartwell, during the entire year, snow falls for 14.7 days and aggregates up to 7.64" (194mm) of snow.

Daylight

The average length of the day in January in Hartwell is 9h and 51min.
On the first day of January in Hartwell, sunrise is at 7:32 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:36 pm CST.

Sunshine

With an average of 5.2h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What part of the year is the coldest in Hartwell?

January is the coldest month of the year in Hartwell, registering average temperatures as high as 39°F (3.9°C) and as low as 24.8°F (-4°C).

How cold does it get in Hartwell in January?

In January, in Hartwell, the average high-temperature is 39°F (3.9°C), and the average low-temperature is 24.8°F (-4°C).

What is the average humidity in January in Hartwell?

In January, the average relative humidity in Hartwell is 74%.

What is the driest month in Hartwell?

The month with the least rainfall is January, when the rain falls for 5.7 days and typically collects 1.14" (29mm) of precipitation.

How many days does it rain in January in Hartwell?

In Hartwell, Missouri, in January, it is raining for 5.7 days, with typically 1.14" (29mm) of accumulated precipitation.

How many days does it snow in January in Hartwell?

In January, in Hartwell, Missouri, it is snowing for 4.1 days. Throughout January, 1.97" (50mm) of snow is accumulated.

How many hours of daylight does Hartwell have in January?

In January, the average day length in Hartwell is 9h and 51min.

What time are sunrise and sunset in January in Hartwell?

In January, on the first day of the month, sunrise is at 7:32 am and sunset at 5:05 pm. On the last day of the month, in Hartwell, Missouri, sunrise is at 7:21 am and sunset at 5:36 pm CST.

What is the month with the least sunshine in Hartwell?

With an average of 5.2h of sunshine, January has the least sunshine of the year in Hartwell, Missouri.

How many hours of sunshine does Hartwell have in January?

In January, the average sunshine duration in Hartwell is 5.2h.

What is the month with the lowest UV index in Hartwell?

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

What is the UV index reading in January in Hartwell?

In Hartwell, 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 unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Hartwell, MO

Average temperature in January - Hartwell, MO
  • Average high temperature in January: 39°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in January: 24.8°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 (24.8°F).

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Average pressure in January
Hartwell, MO

Average pressure in January - Hartwell, 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
Hartwell, MO

Average wind speed in January - Hartwell, MO
  • Average wind speed in January: 9.8mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

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Average humidity in January
Hartwell, MO

Average humidity in January - Hartwell, MO
  • Average humidity in January: 74%

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

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Average rainfall in January
Hartwell, MO

Average rainfall in January - Hartwell, MO
  • Average rainfall in January: 1.14"

The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is January (1.14").

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Average rainfall days in January
Hartwell, MO

Average rainfall days in January - Hartwell, MO
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5.7 days).

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Average snowfall in January
Hartwell, MO

Average snowfall in January - Hartwell, MO
  • Average snowfall in January: 1.97"

The month with the highest snowfall is February (2.76").
The months with the least snowfall are April, June, July, August and September (0").

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Average snowfall days in January
Hartwell, MO

Average snowfall days in January - Hartwell, MO
  • Average snowfall days in January: 4.1 days

The month with the highest number of snowfall days is February (5 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
Hartwell, MO

Average daylight in January / Average sunshine in January - Hartwell, MO
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

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Average sunshine days in January
Hartwell, MO

Average sunshine days in January - Hartwell, MO
  • Average sunshine days in January: 21.1 days

The months with the most sunshine days are January and December (21.1 days).
The month with the least sunshine days is June (12.1 days).

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Average UV index in January
Hartwell, MO

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

The months with the highest UV index are May, 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
Hartwell, MO

Average cloud cover in January - Hartwell, MO
  • Average cloud cover in January: 43

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 26).

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Average visibility in January
Hartwell, MO

Average visibility in January - Hartwell, 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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Hartwell, Missouri, USA

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