January weather forecast
Mount Vernon, OH

Weather in January

January, the same as December, in Mount Vernon, Ohio, is a freezing cold winter month, with average temperature varying between 19.2°F (-7.1°C) and 31.5°F (-0.3°C).

Temperature

The coldest month is January, with an average high-temperature of 31.5°F (-0.3°C) and an average low-temperature of 19.2°F (-7.1°C).

Humidity

January is the most humid month in Mount Vernon, with an average relative humidity of 86%.

Rainfall

In Mount Vernon, during January, the rain falls for 7.7 days and regularly aggregates up to 1.26" (32mm) of 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

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

Daylight

In Mount Vernon, the average length of the day in January is 9.7h.

Sunshine

The month with the least sunshine is January, with an average of 3.2h of sunshine.

UV index

Months with the lowest UV index in Mount Vernon are January, February, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
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FAQ

What is the coldest month in Mount Vernon?

With an average high-temperature of 31.5°F (-0.3°C) and an average low-temperature of 19.2°F (-7.1°C), January is the coldest month.

What is the most humid month in Mount Vernon?

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

What is the average humidity in January in Mount Vernon?

The average relative humidity in January in Mount Vernon 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 much does it snow in Mount Vernon in January?

In January, in Mount Vernon, it is snowing for 10 days. Throughout January, 1.46" (37mm) of snow is accumulated.

What is the average length of the day in January in Mount Vernon?

In Mount Vernon, Ohio, the average length of the day in January is 9.7h.

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

The month with the least sunshine in Mount Vernon is January, with an average of 3.2h of sunshine.

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

In January, the average sunshine in Mount Vernon is 3.2h.

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

Months with the lowest UV index in Mount Vernon are January, February, October through December, with an average maximum UV index of 2.

How high is the UV index in January in Mount Vernon?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation.

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"

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

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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%).
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").
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).
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: 9.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in January: 3.2h

The month with the most sunshine is August (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 3.2h).

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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

Months with the highest UV index are June and July (UV index 6).
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

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

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