January weather forecast
Carnegie, PA

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Weather in January

January, the same as December, is another cold winter month in Carnegie, Pennsylvania, with an average temperature fluctuating between 21°F (-6.1°C) and 33.4°F (0.8°C).

Temperature

January, marked by an average high-temperature of 33.4°F (0.8°C) and a low-temperature of 21°F (-6.1°C), is the coldest month.

Humidity

The average relative humidity in January in Carnegie is 84%.

Rainfall

In Carnegie, during January, the rain falls for 7.3 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Carnegie, during the entire year, the rain falls for 132.6 days and collects up to 11.5" (292mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In January, in Carnegie, it is snowing for 9.3 days. Throughout January, 0.83" (21mm) of snow is accumulated. Throughout the year, in Carnegie, there are 32.5 snowfall days, and 3.66" (93mm) of snow is accumulated.

Daylight

In January, the average length of the day in Carnegie is 9h and 41min.
On the first day of January in Carnegie, sunrise is at 7:43 am and sunset at 5:04 pm. On the last day of the month, 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 3h of sunshine.

UV index

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

What are the coldest months in Carnegie?

January is Carnegie's coldest month, registering average high temperatures of 33.4°F (0.8°C) and lows of 21°F (-6.1°C).

How cold is January in Carnegie?

The high-temperature, in January, in Carnegie, is 33.4°F (0.8°C), while the low-temperature averages to 21°F (-6.1°C).

What is the average humidity in January in Carnegie?

In January, the average relative humidity in Carnegie is 84%.

How much does it rain in Carnegie in January?

In Carnegie, during January, the rain falls for 7.3 days and regularly aggregates up to 0.71" (18mm) of precipitation.

How much does it snow in Carnegie in January?

In Carnegie, Pennsylvania, in January, during 9.3 snowfall days, 0.83" (21mm) of snow is typically accumulated.

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

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

When are sunrise and sunset in January in Carnegie?

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 Carnegie, Pennsylvania, sunrise is at 7:30 am and sunset at 5:36 pm EST.

What is the month with the least sunshine in Carnegie?

January has the least sunshine of the year in Carnegie, with an average of 3h of sunshine.

How many hours of sunshine does Carnegie have in January?

The average sunshine duration in January in Carnegie, Pennsylvania, is 3h.

What is the UV index intensity in January in Carnegie?

In January, the average daily maximum UV index is 2. A UV Index reading 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
Carnegie, PA

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

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in January: 21°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in January
Carnegie, PA

Average pressure in January - Carnegie, 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
Carnegie, PA

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

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

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Average humidity in January
Carnegie, PA

Average humidity in January - Carnegie, PA
  • Average humidity in January: 84%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).

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Average rainfall in January
Carnegie, PA

Average rainfall in January - Carnegie, PA
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is November (0.67").

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Average rainfall days in January
Carnegie, PA

Average rainfall days in January - Carnegie, PA
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (6.4 days).

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Average snowfall in January
Carnegie, PA

Average snowfall in January - Carnegie, PA
  • Average snowfall in January: 0.83"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Carnegie, PA

Average snowfall days in January - Carnegie, PA
  • Average snowfall days in January: 9.3 days

The month with the highest number of snowfall days is January (9.3 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
Carnegie, PA

Average daylight in January / Average sunshine in January - Carnegie, 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: 3h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in January
Carnegie, PA

Average sunshine days in January - Carnegie, PA
  • Average sunshine days in January: 17.6 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12.2 days).

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Average UV index in January
Carnegie, PA

Average UV index in January - Carnegie, PA
  • Average UV index in January: 2

The months with the highest UV index are 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
Carnegie, PA

Average cloud cover in January - Carnegie, PA
  • Average cloud cover in January: 68

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in January
Carnegie, PA

Average visibility in January - Carnegie, 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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Carnegie, Pennsylvania, USA

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