January weather forecast
Chapman, PA

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Weather in January

January, like December, in Chapman, Pennsylvania, is a wintry winter month, with temperature in the range of an average high of 34.3°F (1.3°C) and an average low of 21.6°F (-5.8°C).

Temperature

January, known for its average high temperature of 34.3°F (1.3°C) and an average low temperature of 21.6°F (-5.8°C), is the coldest month.

Humidity

In January, the average relative humidity in Chapman is 78%.

Rainfall

In Chapman, during January, the rain falls for 8.5 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, in Chapman, there are 155.8 rainfall days, and 30.75" (781mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Chapman. In Chapman, in January, snow falls for 8.8 days, with typically accumulated 4.17" (106mm) of snow. In Chapman, Pennsylvania, during the entire year, snow falls for 29.4 days and aggregates up to 15.87" (403mm) of snow.

Daylight

The average length of the day in January in Chapman is 9h and 39min.
On the first day of the month, sunrise is at 7:25 am and sunset at 4:44 pm. On the last day of January, in Chapman, sunrise is at 7:12 am and sunset at 5:17 pm EST.

Sunshine

In January, the average sunshine is 4.6h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Chapman. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 2 in January translates into these instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Enhance your sun protection with tightly woven, yet airy clothing. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What is the coldest month in Chapman?

With average high temperatures of 34.3°F (1.3°C) and lows of 21.6°F (-5.8°C), January is the coldest month in Chapman.

How cold is January in Chapman?

An average high-temperature, in January, in Chapman, is 34.3°F (1.3°C) and the average low-temperature is 21.6°F (-5.8°C).

What is the average humidity in January in Chapman?

In Chapman, the average relative humidity in January is 78%.

How many days does it rain in January in Chapman?

In Chapman, during January, the rain falls for 8.5 days and regularly aggregates up to 2.36" (60mm) of precipitation.

How many days does it snow in January in Chapman?

In Chapman, Pennsylvania, in January, during 8.8 snowfall days, 4.17" (106mm) of snow is typically accumulated.

How many hours of daylight does Chapman have in January?

In Chapman, the average day length in January is 9h and 39min.

What time are sunrise and sunset in January in Chapman?

In January, on the first day of the month, sunrise is at 7:25 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:17 pm EST.

How long on average sun shines in January in Chapman?

The average sunshine duration in January in Chapman, Pennsylvania, is 4.6h.

What is the month with the lowest UV index in Chapman?

The months with the lowest UV index in Chapman, Pennsylvania, are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in January in Chapman?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Chapman, PA

Average temperature in January - Chapman, PA
  • Average high temperature in January: 34.3°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 (34.3°F).

  • Average low temperature in January: 21.6°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in January
Chapman, PA

Average pressure in January - Chapman, PA
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in January
Chapman, PA

Average wind speed in January - Chapman, PA
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in January
Chapman, PA

Average humidity in January - Chapman, PA
  • Average humidity in January: 78%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall in January
Chapman, PA

Average rainfall in January - Chapman, PA
  • Average rainfall in January: 2.36"

The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in January
Chapman, PA

Average rainfall days in January - Chapman, PA
  • Average rainfall days in January: 8.5 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.5 days).

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Average snowfall in January
Chapman, PA

Average snowfall in January - Chapman, PA
  • Average snowfall in January: 4.17"

The month with the highest snowfall is March (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Chapman, PA

Average snowfall days in January - Chapman, PA
  • Average snowfall days in January: 8.8 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Chapman, 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: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in January
Chapman, PA

Average sunshine days in January - Chapman, PA
  • Average sunshine days in January: 17 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (11.2 days).

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Average UV index in January
Chapman, PA

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in January
Chapman, PA

Average cloud cover in January - Chapman, PA
  • Average cloud cover in January: 49

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in January
Chapman, PA

Average visibility in January - Chapman, PA
  • Average visibility in January: 5mi

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

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Chapman, Pennsylvania, USA

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