January weather forecast
Saint Rosa, OH

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Weather in January

January, the same as December, in Saint Rosa, Ohio, is another subzero cold winter month, with temperature in the range of an average high of 31.6°F (-0.2°C) and an average low of 20.1°F (-6.6°C).

Temperature

Saint Rosa reaches its lowest average temperatures in January, measuring 31.6°F (-0.2°C) at the peak and 20.1°F (-6.6°C) at the lowest.

Humidity

January is the most humid month in Saint Rosa, Ohio, with an average relative humidity of 84%.

Rainfall

In January, the rain falls for 7 days. Throughout January, 1.26" (32mm) of precipitation is accumulated. Throughout the year, in Saint Rosa, there are 147.5 rainfall days, and 21.3" (541mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Saint Rosa, in January, snow falls for 9.5 days, with typically accumulated 1.65" (42mm) of snow. Throughout the year, there are 30.8 snowfall days, and 6.81" (173mm) of snow is accumulated.

Daylight

In Saint Rosa, the average length of the day in January is 9h and 41min.
On the first day of January in Saint Rosa, sunrise is at 8:01 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:54 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 3.5h of sunshine.

UV index

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 2 in January leads to these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What month is the coldest in Saint Rosa?

With its average high temperature of 31.6°F (-0.2°C) and a low of 20.1°F (-6.6°C), January is regarded as the coldest month in Saint Rosa, Ohio.

How cold is January in Saint Rosa?

The high-temperature, in January, in Saint Rosa, records 31.6°F (-0.2°C), while the low-temperature is 20.1°F (-6.6°C).

What is the most humid month in Saint Rosa?

January is the most humid month, with an average relative humidity of 84%.

What is the average humidity in January in Saint Rosa?

In January, the average relative humidity in Saint Rosa, Ohio, is 84%.

How many days does it rain in January in Saint Rosa?

In Saint Rosa, Ohio, in January, during 7 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

How much does it snow in Saint Rosa in January?

In Saint Rosa, Ohio, in January, during 9.5 snowfall days, 1.65" (42mm) of snow is typically accumulated.

What is the average length of the day in January in Saint Rosa?

In January, the average day length in Saint Rosa is 9h and 41min.

When are sunrise and sunset in January in Saint Rosa?

In January, on the first day of the month, sunrise is at 8:01 am and sunset at 5:21 pm. On the last day of the month, in Saint Rosa, sunrise is at 7:48 am and sunset at 5:54 pm EST.

What is the month with the least sunshine in Saint Rosa?

With an average of 3.5h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in Saint Rosa?

The average sunshine duration in January in Saint Rosa, Ohio, is 3.5h.

What is the UV index reading in January in Saint Rosa?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Saint Rosa, OH

Average temperature in January - Saint Rosa, OH
  • Average high temperature in January: 31.6°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in January: 20.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in January
Saint Rosa, OH

Average pressure in January - Saint Rosa, OH
  • Average pressure in January: 30.12"Hg

The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Saint Rosa, OH

Average wind speed in January - Saint Rosa, OH
  • Average wind speed in January: 10.7mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in January
Saint Rosa, OH

Average humidity in January - Saint Rosa, OH
  • Average humidity in January: 84%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in January
Saint Rosa, OH

Average rainfall in January - Saint Rosa, OH
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (1.14").

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Average rainfall days in January
Saint Rosa, OH

Average rainfall days in January - Saint Rosa, OH
  • Average rainfall days in January: 7 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (6.3 days).

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Average snowfall in January
Saint Rosa, OH

Average snowfall in January - Saint Rosa, OH
  • Average snowfall in January: 1.65"

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

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Average snowfall days in January
Saint Rosa, OH

Average snowfall days in January - Saint Rosa, OH
  • Average snowfall days in January: 9.5 days

The month with the highest number of snowfall days is January (9.5 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
Saint Rosa, OH

Average daylight in January / Average sunshine in January - Saint Rosa, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in January
Saint Rosa, OH

Average sunshine days in January - Saint Rosa, OH
  • Average sunshine days in January: 16.5 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (9.9 days).

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Average UV index in January
Saint Rosa, OH

Average UV index in January - Saint Rosa, OH
  • Average UV index in January: 2

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

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Average cloud cover in January
Saint Rosa, OH

Average cloud cover in January - Saint Rosa, OH
  • Average cloud cover in January: 64

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in January
Saint Rosa, OH

Average visibility in January - Saint Rosa, OH
  • Average visibility in January: 6mi

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

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Saint Rosa, Ohio, USA

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