January weather forecast
South Hills, PA

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Weather in January

January, the same as December, is a wintry winter month in South Hills, Pennsylvania, with an average temperature ranging between max 33.4°F (0.8°C) and min 20.8°F (-6.2°C).

Temperature

South Hills's coldest temperatures are experienced in January, with average high temperatures of 33.4°F (0.8°C) and lows of 20.8°F (-6.2°C).

Humidity

January and February, with an average relative humidity of 84%, are the most humid months.

Rainfall

In South Hills, Pennsylvania, in January, during 8.5 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In South Hills, during the entire year, the rain falls for 164 days and collects up to 26.89" (683mm) of precipitation.

Snowfall

Months with snowfall in South Hills are January through April, October through December. January is the month with the most snowfall in South Hills, Pennsylvania. Snow falls for 16.3 days and accumulates 3.46" (88mm) of snow.

Daylight

In South Hills, the average length of the day in January is 9h and 41min.
On the first day of the month, sunrise is at 7:43 am and sunset at 5:04 pm. On the last day of January, sunrise is at 7:30 am and sunset at 5:36 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 2.9h of sunshine.

UV index

In January, the average daily maximum UV index in South Hills is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in January transforms into the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What are the coldest months in South Hills?

January, with an average high of 33.4°F (0.8°C) and a low of 20.8°F (-6.2°C), signifies the coldest month of the year in South Hills.

How cold is it in South Hills in January?

South Hills in January has an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 20.8°F (-6.2°C).

What are the most humid months in South Hills?

The months with the highest humidity in South Hills, Pennsylvania, are January and February, with an average relative humidity of 84%.

What is the average humidity in January in South Hills?

In January, the average relative humidity is 84%.

How many days does it rain in January in South Hills?

In South Hills, Pennsylvania, in January, during 8.5 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When does it snow the most in South Hills?

January is the month with the most snowfall. Snow falls for 16.3 days and accumulates 3.46" (88mm) of snow.

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

In South Hills, in January, during 16.3 snowfall days, 3.46" (88mm) of snow is typically accumulated.

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

In South Hills, the average day length in January is 9h and 41min.

What time are sunrise and sunset in January in South Hills?

In January, on the first day of the month, sunrise is at 7:43 am and sunset at 5:04 pm. On the last day of the month, in South Hills, sunrise is at 7:30 am and sunset at 5:36 pm EST.

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

January has the least sunshine of the year, with an average of 2.9h of sunshine.

How many hours of sunshine does South Hills have in January?

In South Hills, Pennsylvania, the average sunshine duration in January is 2.9h.

What is the UV index reading in January in South Hills?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
39.7°F 4.3°C
33.4°F 0.8°C
37.8°F 3.2°C
Average low temperature
28.2°F -2.1°C
20.8°F -6.2°C
23.4°F -4.8°C
Average pressure
30.11" 765mmHg
30.11" 765mmHg
30.08" 764mmHg
Average wind speed
7.3mph 11.7km/h
7.9mph 12.7km/h
7.6mph 12.2km/h
Average max. wind speed
7.8mph 12.6km/h
8.5mph 13.7km/h
8.1mph 13km/h
Average wind speed gusts
11.1mph 17.9km/h
12.1mph 19.5km/h
11.6mph 18.7km/h
Average humidity
83%
84%
84%
Average rainfall
2.09" 53mm
1.65" 42mm
1.85" 47mm
Average rainfall days
10.7
8.5
8.9
Average snowfall
2.64" 67mm
3.46" 88mm
3.39" 86mm
Average snowfall days
11.8
16.3
11.9
Average daylight
9h 2min
9h 4min
10h 4min
Average sunshine
3h 2min
2h 5min
3h 3min
Average sunshine days
11
9.7
9.5
Average UV index
1
2
2
Average cloud cover
66%
69%
66%
Average visibility
5mi 8km
5mi 8km
5mi 8km

Average temperature in January
South Hills, PA

Average temperature in January - South Hills, PA
  • Average high temperature in January: 33.4°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in January: 20.8°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

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Average pressure in January
South Hills, PA

Average pressure in January - South Hills, PA
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in January
South Hills, PA

Average wind speed in January - South Hills, PA
  • Average wind speed in January: 7.9mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in January
South Hills, PA

Average humidity in January - South Hills, PA
  • Average humidity in January: 84%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (73%).

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Average rainfall in January
South Hills, PA

Average rainfall in January - South Hills, PA
  • Average rainfall in January: 1.65"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.61").

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Average rainfall days in January
South Hills, PA

Average rainfall days in January - South Hills, PA
  • Average rainfall days in January: 8.5 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).

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Average snowfall in January
South Hills, PA

Average snowfall in January - South Hills, PA
  • Average snowfall in January: 3.46"

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

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Average snowfall days in January
South Hills, PA

Average snowfall days in January - South Hills, PA
  • Average snowfall days in January: 16.3 days

The month with the highest number of snowfall days is January (16.3 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
South Hills, PA

Average daylight in January / Average sunshine in January - South Hills, PA
  • 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: 2h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in January
South Hills, PA

Average sunshine days in January - South Hills, PA
  • Average sunshine days in January: 9.7 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (9.5 days).

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Average UV index in January
South Hills, PA

Average UV index in January - South Hills, PA
  • 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
South Hills, PA

Average cloud cover in January - South Hills, PA
  • Average cloud cover in January: 69

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in January
South Hills, PA

Average visibility in January - South Hills, PA
  • Average visibility in January: 5mi

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

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South Hills, Pennsylvania, USA

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