January weather forecast
Greensburg, PA

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Weather in January

January in Greensburg, Pennsylvania starts the year with chilly conditions as it is typically the coldest month. The daily average temperatures range from a high of 32.9°F (0.5°C) to a low of 20.3°F (-6.5°C). The city often receives snowfall, making the landscape a winter wonderland. Despite the limited sunlight, measures taken for cold weather protection ensure activity continues. Visitors and residents need to pack heavy winter gear to stay warm in these conditions.

Temperature

The month of January sees the lowest average temperatures, reaching 32.9°F (0.5°C) at the peak and 20.3°F (-6.5°C) at the low.

Humidity

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

Rainfall

In Greensburg, in January, during 9.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In 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

The average length of the day in January is 9h and 41min.
On the first day of the month, sunrise is at 7:40 am and sunset at 5:02 pm. On the last day of January, sunrise is at 7:28 am and sunset at 5:34 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 minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What time of the year is the coldest?

In Greensburg, the average lowest temperatures are observed in January, with a high of 32.9°F (0.5°C) and a low of 20.3°F (-6.5°C).

How cold is it in January?

The average high-temperature and low-temperature during January are 32.9°F (0.5°C) and 20.3°F (-6.5°C) respectively.

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?

In January, the average relative humidity is 85%.

How many days does it rain in January?

In Greensburg, in January, it is raining for 9.8 days, with typically 2.64" (67mm) of accumulated precipitation.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 17.6 days and accumulates 6.65" (169mm) of snow.

How many days does it snow in January?

In January, it is snowing for 17.6 days. Throughout January, 6.65" (169mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 41min.

What time are sunrise and sunset in January?

In January, on the first day of the month, 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?

The month with the least sunshine is January, with an average of 3h of sunshine.

How many hours of sunshine does Greensburg have in January?

The average sunshine duration in January is 3h.

How high is the UV index in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Greensburg, PA

Average temperature in January - 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
Greensburg, PA

Average pressure in January - 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
Greensburg, PA

Average wind speed in January - 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
Greensburg, PA

Average humidity in January - 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
Greensburg, PA

Average rainfall in January - 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
Greensburg, PA

Average rainfall days in January - 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
Greensburg, PA

Average snowfall in January - 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
Greensburg, PA

Average snowfall days in January - 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
Greensburg, PA

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

Average sunshine days in January - 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
Greensburg, PA

Average UV index in January - 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
Greensburg, PA

Average cloud cover in January - 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
Greensburg, PA

Average visibility in January - 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).

Greensburg, Pennsylvania, USA

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