January weather forecast
Mount Vernon, OH

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Weather in January

January, like December, is another subzero cold winter month in Mount Vernon, Ohio, with an average temperature varying between 19.2°F (-7.1°C) and 31.5°F (-0.3°C).

Temperature

Mount Vernon witnesses the coldest weather in January, with temperatures averaging a high of 31.5°F (-0.3°C) and a low of 19.2°F (-7.1°C).

Humidity

With an average relative humidity of 86%, January is the most humid month.

Rainfall

In Mount Vernon, in January, it is raining for 7.7 days, with typically 1.26" (32mm) of accumulated precipitation. In Mount Vernon, during the entire year, the rain falls for 148.8 days and collects up to 18.9" (480mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In January, in Mount Vernon, it is snowing for 10 days. Throughout January, 1.46" (37mm) of snow is accumulated. In Mount Vernon, during the entire year, snow falls for 32.5 days and aggregates up to 5.63" (143mm) of snow.

Daylight

The average length of the day in January in Mount Vernon is 9h and 41min.
On the first day of January, sunrise is at 7:52 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:46 pm EST.

Sunshine

With an average of 3.2h of sunshine, January has the least sunshine of the year in Mount Vernon.

UV index

January, February, October through 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 unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What is the coldest time of year in Mount Vernon?

The month of January sees the average lowest temperatures in Mount Vernon, reaching 31.5°F (-0.3°C) at the peak and 19.2°F (-7.1°C) at the low.

How cold is it in Mount Vernon in January?

An average high-temperature, in January, in Mount Vernon, is 31.5°F (-0.3°C) and the average low-temperature is 19.2°F (-7.1°C).

What is the most humid month in Mount Vernon?

The most humid month is January, with an average relative humidity of 86%.

What is the average humidity in January in Mount Vernon?

In Mount Vernon, the average relative humidity in January is 86%.

How much does it rain in Mount Vernon in January?

In Mount Vernon, in January, it is raining for 7.7 days, with typically 1.26" (32mm) of accumulated precipitation.

How many days does it snow in January in Mount Vernon?

In Mount Vernon, Ohio, in January, snow falls for 10 days, with typically accumulated 1.46" (37mm) of snow.

How many hours of daylight does Mount Vernon have in January?

In Mount Vernon, the average day length in January is 9h and 41min.

When is the sunrise / sunset in January in Mount Vernon?

In January, on the first day of the month, sunrise is at 7:52 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:46 pm EST.

What is the month with the least sunshine in Mount Vernon?

January has the least sunshine of the year, with an average of 3.2h of sunshine.

How long on average sun shines in January in Mount Vernon?

The average sunshine duration in January in Mount Vernon is 3.2h.

What is the month with the lowest UV index in Mount Vernon?

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

What is the UV index intensity in January in Mount Vernon?

In Mount Vernon, Ohio, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Mount Vernon, OH

Average temperature in January - Mount Vernon, OH
  • Average high temperature in January: 31.5°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in January: 19.2°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

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Average pressure in January
Mount Vernon, OH

Average pressure in January - Mount Vernon, OH
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in January
Mount Vernon, OH

Average wind speed in January - Mount Vernon, OH
  • Average wind speed in January: 10.1mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in January
Mount Vernon, OH

Average humidity in January - Mount Vernon, OH
  • Average humidity in January: 86%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are March, April and November (78%).

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Average rainfall in January
Mount Vernon, OH

Average rainfall in January - Mount Vernon, OH
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is February (1.18").

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Average rainfall days in January
Mount Vernon, OH

Average rainfall days in January - Mount Vernon, OH
  • Average rainfall days in January: 7.7 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (6.9 days).

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Average snowfall in January
Mount Vernon, OH

Average snowfall in January - Mount Vernon, OH
  • Average snowfall in January: 1.46"

The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Mount Vernon, OH

Average snowfall days in January - Mount Vernon, OH
  • Average snowfall days in January: 10 days

The month with the highest number of snowfall days is January (10 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
Mount Vernon, OH

Average daylight in January / Average sunshine in January - Mount Vernon, OH
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 3h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days in January
Mount Vernon, OH

Average sunshine days in January - Mount Vernon, OH
  • Average sunshine days in January: 16 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (10.5 days).

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Average UV index in January
Mount Vernon, OH

Average UV index in January - Mount Vernon, OH
  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in January
Mount Vernon, OH

Average cloud cover in January - Mount Vernon, OH
  • Average cloud cover in January: 67

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in January
Mount Vernon, OH

Average visibility in January - Mount Vernon, OH
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).

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Mount Vernon, Ohio, USA

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