January weather forecast
Greenfield, PA

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Weather in January

January, like December, in Greenfield, Pennsylvania, is a wintry winter month, with temperature in the range of an average high of 33.4°F (0.8°C) and an average low of 20.8°F (-6.2°C).

Temperature

In Greenfield, the lowest average temperatures are observed in January, with a high of 33.4°F (0.8°C) and a low of 20.8°F (-6.2°C).

Humidity

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

Rainfall

In Greenfield, during January, the rain falls for 8.5 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Greenfield, during the entire year, the rain falls for 164 days and collects up to 26.89" (683mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 16.3 days and typically aggregates up to 3.46" (88mm) of snow.

Daylight

The average length of the day in January is 9h and 41min.
On the first day of January in Greenfield, sunrise is at 7:42 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:36 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 2.9h of sunshine.

UV index

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

January, with its average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 20.8°F (-6.2°C), holds the record as the coldest month.

How cold is it in January?

In January, the average high-temperature and low-temperature are 33.4°F (0.8°C) and 20.8°F (-6.2°C) respectively.

What is the most humid month in Greenfield?

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

What is the average humidity in January?

In January, the average relative humidity is 84%.

How much does it rain in January?

In Greenfield, during January, the rain falls for 8.5 days and regularly aggregates up to 1.65" (42mm) of precipitation.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 16.3 days and typically aggregates up to 3.46" (88mm) of snow.

How many days does it snow in January?

In Greenfield, during January, snow falls for 16.3 days and regularly aggregates up to 3.46" (88mm) of snow.

What is the average length of the day in January?

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

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:42 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:36 pm EST.

What is the month with the least sunshine?

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

How long on average sun shines in January?

In January, the average sunshine duration is 2.9h.

What is the UV index intensity in January?

In Greenfield, Pennsylvania, the average daily maximum UV index in January is 2. A UV Index 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
Greenfield, PA

Average temperature in January - Greenfield, 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).

Average pressure in January
Greenfield, PA

Average pressure in January - Greenfield, 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
Greenfield, PA

Average wind speed in January - Greenfield, 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).

Average humidity in January
Greenfield, PA

Average humidity in January - Greenfield, 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%).

Average rainfall in January
Greenfield, PA

Average rainfall in January - Greenfield, 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").

Average rainfall days in January
Greenfield, PA

Average rainfall days in January - Greenfield, 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).

Average snowfall in January
Greenfield, PA

Average snowfall in January - Greenfield, 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").

Average snowfall days in January
Greenfield, PA

Average snowfall days in January - Greenfield, 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).

Average daylight in January /
Average sunshine in January
Greenfield, PA

Average daylight in January / Average sunshine in January - Greenfield, 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).

Average sunshine days in January
Greenfield, PA

Average sunshine days in January - Greenfield, 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).

Average UV index in January
Greenfield, PA

Average UV index in January - Greenfield, 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
Greenfield, PA

Average cloud cover in January - Greenfield, 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).

Average visibility in January
Greenfield, PA

Average visibility in January - Greenfield, 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).

Greenfield, Pennsylvania, USA

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