January weather forecast
Southwest Greensburg, PA

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Weather in January

January, like December, in Southwest Greensburg, Pennsylvania, is another cold winter month, with an average temperature varying between 32.9°F (0.5°C) and 20.3°F (-6.5°C).

Temperature

January is the coldest month, exhibiting average temperatures of 32.9°F (0.5°C) at the peak and 20.3°F (-6.5°C) at the base.

Humidity

January and February, with an average relative humidity of 85%, are the most humid months.

Rainfall

In Southwest Greensburg, Pennsylvania, in January, during 9.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Southwest Greensburg, during the entire year, the rain falls for 186 days and collects up to 34.84" (885mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 17.6 days and accumulates 6.65" (169mm) of snow.

Daylight

In January, the average length of the day is 9h and 41min.
On the first day of January, sunrise is at 7:40 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:34 pm EST.

Sunshine

With an average of 3h of sunshine, January has the least sunshine of the year.

UV index

In Southwest Greensburg, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In January, the UV index of 2 transforms into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. When the Sun is at its strongest around midday, find shade and limit exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

What is the coldest month?

The coldest time of the year in Southwest Greensburg is January, with temperatures averaging a high of 32.9°F (0.5°C) and a low of 20.3°F (-6.5°C).

How cold is January?

Southwest Greensburg in January has an average high-temperature of 32.9°F (0.5°C) and an average low-temperature of 20.3°F (-6.5°C).

What is the most humid month?

The months with the highest humidity are January and February, with an average relative humidity of 85%.

What is the average humidity in January?

The average relative humidity in January is 85%.

How much does it rain in January?

In January, the rain falls for 9.8 days. Throughout January, 2.64" (67mm) of precipitation is accumulated.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 17.6 days and typically aggregates up to 6.65" (169mm) of snow.

How much does it snow in January?

In Southwest Greensburg, in January, snow falls for 17.6 days, with typically accumulated 6.65" (169mm) of snow.

What is the average length of the day in January?

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

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:40 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:34 pm EST.

What is the month with the least sunshine?

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

How long on average sun shines in January?

In January, the average sunshine duration is 3h.

How high is the UV index in January?

In Southwest Greensburg, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to 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
Southwest Greensburg, PA

Average temperature in January - Southwest Greensburg, PA
  • Average high temperature in January: 32.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in January: 20.3°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in January
Southwest Greensburg, PA

Average pressure in January - Southwest Greensburg, 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).

Average wind speed in January
Southwest Greensburg, PA

Average wind speed in January - Southwest Greensburg, PA
  • Average wind speed in January: 8.5mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in January
Southwest Greensburg, PA

Average humidity in January - Southwest Greensburg, PA
  • Average humidity in January: 85%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in January
Southwest Greensburg, PA

Average rainfall in January - Southwest Greensburg, PA
  • Average rainfall in January: 2.64"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.01").

Average rainfall days in January
Southwest Greensburg, PA

Average rainfall days in January - Southwest Greensburg, PA
  • Average rainfall days in January: 9.8 days

The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in January
Southwest Greensburg, PA

Average snowfall in January - Southwest Greensburg, PA
  • Average snowfall in January: 6.65"

The month with the highest snowfall is January (6.65").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Southwest Greensburg, PA

Average snowfall days in January - Southwest Greensburg, PA
  • Average snowfall days in January: 17.6 days

The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Southwest Greensburg, PA

Average daylight in January / Average sunshine in January - Southwest Greensburg, 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 24min).

  • Average sunshine in January: 3h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in January
Southwest Greensburg, PA

Average sunshine days in January - Southwest Greensburg, PA
  • Average sunshine days in January: 6.4 days

The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.4 days).

Average UV index in January
Southwest Greensburg, PA

Average UV index in January - Southwest Greensburg, 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).

Average cloud cover in January
Southwest Greensburg, PA

Average cloud cover in January - Southwest Greensburg, PA
  • Average cloud cover in January: 70

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in January
Southwest Greensburg, PA

Average visibility in January - Southwest Greensburg, PA
  • Average visibility in January: 4mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

Southwest Greensburg, Pennsylvania, USA

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