January weather forecast
Rolling Hills, OH

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Weather in January

January, the same as December, is another cold winter month in Rolling Hills, Ohio, with an average temperature fluctuating between 22.6°F (-5.2°C) and 36.1°F (2.3°C).

Temperature

January is Rolling Hills's coldest month, registering average high temperatures of 36.1°F (2.3°C) and lows of 22.6°F (-5.2°C).

Humidity

January is the most humid month, with an average relative humidity of 83%.

Rainfall

In Rolling Hills, in January, during 10.2 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 163.3 rainfall days, and 27.95" (710mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. January is the month with the most snowfall in Rolling Hills. Snow falls for 11.7 days and accumulates 3.46" (88mm) of snow.

Daylight

In January, the average length of the day in Rolling Hills is 9h and 47min.
On the first day of January, sunrise is at 7:48 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:47 pm EST.

Sunshine

The month with the least sunshine in Rolling Hills, Ohio, is January, with an average of 3.6h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rolling Hills. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 2 in January translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What time of the year is the coldest in Rolling Hills?

January is the coldest month of the year, registering average temperatures as high as 36.1°F (2.3°C) and as low as 22.6°F (-5.2°C).

How cold is it in Rolling Hills in January?

In January, the average high-temperature and low-temperature are 36.1°F (2.3°C) and 22.6°F (-5.2°C) respectively.

What is the most humid month in Rolling Hills?

The most humid month in Rolling Hills is January, with an average relative humidity of 83%.

What is the average humidity in January in Rolling Hills?

In January, the average relative humidity is 83%.

How much does it rain in Rolling Hills in January?

In Rolling Hills, Ohio, in January, it is raining for 10.2 days, with typically 1.89" (48mm) of accumulated precipitation.

When does it snow the most in Rolling Hills?

The month with the most snowfall in Rolling Hills is January, when snow falls for 11.7 days and typically aggregates up to 3.46" (88mm) of snow.

How many days does it snow in January in Rolling Hills?

In Rolling Hills, during January, snow falls for 11.7 days and regularly aggregates up to 3.46" (88mm) of snow.

What is the average length of the day in January in Rolling Hills?

In January, the average day length in Rolling Hills, Ohio, is 9h and 47min.

When is the sunrise / sunset in January in Rolling Hills?

In January, on the first day of the month, sunrise is at 7:48 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:47 pm EST.

What is the month with the least sunshine in Rolling Hills?

The month with the least sunshine in Rolling Hills is January, with an average of 3.6h of sunshine.

How long on average sun shines in January in Rolling Hills?

In January, the average sunshine duration in Rolling Hills is 3.6h.

What are the months with the lowest UV index in Rolling Hills?

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

What is the UV index intensity in January in Rolling Hills?

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 Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
41.5°F 5.3°C
36.1°F 2.3°C
40.5°F 4.7°C
Average low temperature
30.2°F -1°C
22.6°F -5.2°C
26.2°F -3.2°C
Average pressure
30.13" 765mmHg
30.14" 766mmHg
30.1" 765mmHg
Average wind speed
6.8mph 10.9km/h
7.3mph 11.7km/h
7.3mph 11.7km/h
Average max. wind speed
7.3mph 11.7km/h
7.8mph 12.6km/h
7.9mph 12.7km/h
Average wind speed gusts
11mph 17.7km/h
11.7mph 18.8km/h
11.7mph 18.8km/h
Average humidity
82%
83%
82%
Average rainfall
2.68" 68mm
1.89" 48mm
2.44" 62mm
Average rainfall days
11.5
10.2
9.9
Average snowfall
1.93" 49mm
3.46" 88mm
3.39" 86mm
Average snowfall days
8.7
11.7
9.9
Average daylight
9h 3min
9h 5min
10h 4min
Average sunshine
4h 0min
3h 4min
4h 3min
Average sunshine days
12.5
12.3
11.3
Average UV index
2
2
2
Average cloud cover
59%
62%
61%
Average visibility
5mi 8km
5mi 8km
5mi 8km

Average temperature in January
Rolling Hills, OH

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

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in January: 22.6°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in January
Rolling Hills, OH

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

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in January
Rolling Hills, OH

Average wind speed in January - Rolling Hills, OH
  • Average wind speed in January: 7.3mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in January
Rolling Hills, OH

Average humidity in January - Rolling Hills, OH
  • Average humidity in January: 83%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (75%).

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Average rainfall in January
Rolling Hills, OH

Average rainfall in January - Rolling Hills, OH
  • Average rainfall in January: 1.89"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in January
Rolling Hills, OH

Average rainfall days in January - Rolling Hills, OH
  • Average rainfall days in January: 10.2 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in January
Rolling Hills, OH

Average snowfall in January - Rolling Hills, OH
  • Average snowfall in January: 3.46"

The month with the highest snowfall is January (3.46").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Rolling Hills, OH

Average snowfall days in January - Rolling Hills, OH
  • Average snowfall days in January: 11.7 days

The month with the highest number of snowfall days is January (11.7 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
Rolling Hills, OH

Average daylight in January / Average sunshine in January - Rolling Hills, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in January
Rolling Hills, OH

Average sunshine days in January - Rolling Hills, OH
  • Average sunshine days in January: 12.3 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (9.3 days).

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Average UV index in January
Rolling Hills, OH

Average UV index in January - Rolling Hills, 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
Rolling Hills, OH

Average cloud cover in January - Rolling Hills, OH
  • Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in January
Rolling Hills, OH

Average visibility in January - Rolling Hills, OH
  • Average visibility in January: 5mi

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

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Rolling Hills, Ohio, USA

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