January weather forecast
Fairfax, OH

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Weather in January

January, the same as December, is a wintry winter month in Fairfax, Ohio, with an average temperature varying between 23.7°F (-4.6°C) and 36.1°F (2.3°C).

Temperature

The lowest temperatures are recorded in January, with averages reaching a high of 36.1°F (2.3°C) and a low of 23.7°F (-4.6°C).

Humidity

In Fairfax, the average relative humidity in January is 80%.

Rainfall

In Fairfax, during January, the rain falls for 8.3 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Fairfax, during the entire year, the rain falls for 150.9 days and collects up to 27.64" (702mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Fairfax, in January, snow falls for 5.5 days, with typically accumulated 1.46" (37mm) of snow. Throughout the year, there are 20.7 snowfall days, and 6.85" (174mm) of snow is accumulated.

Daylight

In Fairfax, the average length of the day in January is 9h and 47min.
On the first day of the month, sunrise is at 7:56 am and sunset at 5:25 pm. On the last day of January, in Fairfax, sunrise is at 7:45 am and sunset at 5:56 pm EST.

Sunshine

With an average of 3.9h of sunshine, January has the least sunshine of the year.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Fairfax, Ohio. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In January, the maximum UV index of 2 translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What is the coldest time of year in Fairfax?

The lowest temperatures in Fairfax, Ohio, are recorded in January, with averages reaching a high of 36.1°F (2.3°C) and a low of 23.7°F (-4.6°C).

How cold is it in Fairfax in January?

In Fairfax, in January, the average high-temperature is 36.1°F (2.3°C), and the average low-temperature is 23.7°F (-4.6°C).

What is the average humidity in January in Fairfax?

In Fairfax, the average relative humidity in January is 80%.

How much does it rain in Fairfax in January?

In January, in Fairfax, Ohio, the rain falls for 8.3 days. Throughout January, 1.81" (46mm) of precipitation is accumulated.

How many days does it snow in January in Fairfax?

In Fairfax, in January, snow falls for 5.5 days, with typically accumulated 1.46" (37mm) of snow.

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

In Fairfax, the average day length in January is 9h and 47min.

When are sunrise and sunset in January in Fairfax?

On the first day of January in Fairfax, sunrise is at 7:56 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:56 pm EST.

What is the month with the least sunshine in Fairfax?

January has the least sunshine of the year in Fairfax, with an average of 3.9h of sunshine.

How long on average sun shines in January in Fairfax?

In January, the average sunshine duration is 3.9h.

What are the months with the lowest UV index in Fairfax?

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

How high is the UV index in January in Fairfax?

In Fairfax, Ohio, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's 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
Fairfax, OH

Average temperature in January - Fairfax, OH
  • Average high temperature in January: 36.1°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in January: 23.7°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

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Average pressure in January
Fairfax, OH

Average pressure in January - Fairfax, 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
Fairfax, OH

Average wind speed in January - Fairfax, OH
  • Average wind speed in January: 8.7mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in January
Fairfax, OH

Average humidity in January - Fairfax, OH
  • Average humidity in January: 80%

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

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Average rainfall in January
Fairfax, OH

Average rainfall in January - Fairfax, OH
  • Average rainfall in January: 1.81"

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in January
Fairfax, OH

Average rainfall days in January - Fairfax, OH
  • Average rainfall days in January: 8.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (8.2 days).

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Average snowfall in January
Fairfax, OH

Average snowfall in January - Fairfax, OH
  • Average snowfall in January: 1.46"

The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Fairfax, OH

Average snowfall days in January - Fairfax, OH
  • Average snowfall days in January: 5.5 days

The months with the highest number of snowfall days are January and February (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Fairfax, OH
  • Average daylight in January: 9h and 5min

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 30min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in January
Fairfax, OH

Average sunshine days in January - Fairfax, OH
  • Average sunshine days in January: 17.5 days

The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is May (10.9 days).

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Average UV index in January
Fairfax, OH

Average UV index in January - Fairfax, OH
  • 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
Fairfax, OH

Average cloud cover in January - Fairfax, 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
Fairfax, OH

Average visibility in January - Fairfax, 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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Fairfax, Ohio, USA

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