January weather forecast
Fairfield, OH

Weather in January

January, the same as December, is a wintry winter month in Fairfield, Ohio, with temperature in the range of an average low of 22.8°F (-5.1°C) and an average high of 35.2°F (1.8°C).

Temperature

With an average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 22.8°F (-5.1°C), January is the coldest month.

Humidity

The months with the highest humidity in Fairfield are January, February and December, with an average relative humidity of 81%.

Rainfall

In January, the rain falls for 7.9 days. Throughout January, 1.61" (41mm) of precipitation is accumulated. In Fairfield, during the entire year, the rain falls for 147.8 days and collects up to 24.33" (618mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Fairfield. In Fairfield, during January, snow falls for 7.1 days and regularly aggregates up to 1.38" (35mm) of snow. Throughout the year, there are 25 snowfall days, and 6.57" (167mm) of snow is accumulated.

Daylight

In Fairfield, the average length of the day in January is 9h and 46min.
On the first day of January in Fairfield, sunrise is at 7:58 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:57 pm EST.

Sunshine

With an average of 4h of sunshine, January has the least sunshine of the year in Fairfield.

UV index

In Fairfield, Ohio, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Fairfield?

The coldest month in Fairfield is January, with an average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 22.8°F (-5.1°C).

What is the temperature in January in Fairfield?

In January, in Fairfield, Ohio, the average high-temperature is 35.2°F (1.8°C), and the average low-temperature is 22.8°F (-5.1°C).

What are the most humid months in Fairfield?

January, February and December, with an average relative humidity of 81%, are most humid months.

What is the average humidity in January in Fairfield?

In January, the average relative humidity in Fairfield is 81%.

How many days does it rain in January in Fairfield?

In Fairfield, Ohio, in January, it is raining for 7.9 days, with typically 1.61" (41mm) of accumulated precipitation.

How much does it snow in Fairfield in January?

In Fairfield, Ohio, in January, snow falls for 7.1 days, with typically accumulated 1.38" (35mm) of snow.

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

In Fairfield, Ohio, the average day length in January is 9h and 46min.

When is the sunrise / sunset in January in Fairfield?

On the first day of January in Fairfield, sunrise is at 7:58 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:57 pm EST.

What is the month with the least sunshine in Fairfield?

January has the least sunshine of the year in Fairfield, Ohio, with an average of 4h of sunshine.

How long on average sun shines in January in Fairfield?

The average sunshine duration in January is 4h.

What is the UV index reading in January in Fairfield?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
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
Fairfield, OH

Average temperature in January - Fairfield, OH
  • Average high temperature in January: 35.2°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in January: 22.8°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure in January
Fairfield, OH

Average pressure in January - Fairfield, OH
  • Average pressure in January: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in January
Fairfield, OH

Average wind speed in January - Fairfield, OH
  • Average wind speed in January: 9.1mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in January
Fairfield, OH

Average humidity in January - Fairfield, OH
  • Average humidity in January: 81%

The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in January
Fairfield, OH

Average rainfall in January - Fairfield, OH
  • Average rainfall in January: 1.61"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is September (1.42").

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Average rainfall days in January
Fairfield, OH

Average rainfall days in January - Fairfield, OH
  • Average rainfall days in January: 7.9 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in January
Fairfield, OH

Average snowfall in January - Fairfield, OH
  • Average snowfall in January: 1.38"

The months with the highest snowfall are February and March (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Fairfield, OH

Average snowfall days in January - Fairfield, OH
  • Average snowfall days in January: 7.1 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Fairfield, OH

Average daylight in January / Average sunshine in January - Fairfield, OH
  • Average daylight in January: 9h and 46min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 27min).

  • Average sunshine in January: 4h and 0min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in January
Fairfield, OH

Average sunshine days in January - Fairfield, OH
  • Average sunshine days in January: 17 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in January
Fairfield, OH

Average UV index in January - Fairfield, OH
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in January
Fairfield, OH

Average cloud cover in January - Fairfield, OH
  • Average cloud cover in January: 59

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in January
Fairfield, OH

Average visibility in January - Fairfield, OH
  • 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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