January weather forecast
Casselman, PA

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Weather in January

January, like December, is another subzero cold winter month in Casselman, Pennsylvania, with an average temperature ranging between max 31.5°F (-0.3°C) and min 18.9°F (-7.3°C).

Temperature

Casselman records the coldest temperatures in January, averaging a high of 31.5°F (-0.3°C) and a low of 18.9°F (-7.3°C).

Humidity

The average relative humidity in January is 85%.

Rainfall

In Casselman, during January, the rain falls for 9.4 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Casselman, during the entire year, the rain falls for 183.2 days and collects up to 35.94" (913mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 17.2 days and typically aggregates up to 7.44" (189mm) of snow.

Daylight

In Casselman, the average length of the day in January is 9h and 44min.
On the first day of the month, sunrise is at 7:38 am and sunset at 5:02 pm. On the last day of January, sunrise is at 7:26 am and sunset at 5:34 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 3.3h of sunshine.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

What part of the year is the coldest?

Casselman experiences its average lowest temperatures in January, reaching a peak of 31.5°F (-0.3°C) and a minimum of 18.9°F (-7.3°C).

How cold is it in January?

During January, Casselman experiences an average high-temperature of 31.5°F (-0.3°C) and a low-temperature of 18.9°F (-7.3°C).

What is the average humidity in January?

In Casselman, the average relative humidity in January is 85%.

How much does it rain in Casselman in January?

In Casselman, in January, during 9.4 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 17.2 days and typically aggregates up to 7.44" (189mm) of snow.

How much does it snow in January?

In Casselman, during January, snow falls for 17.2 days and regularly aggregates up to 7.44" (189mm) of snow.

What is the average length of the day in January?

The average day length in January in Casselman is 9h and 44min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:38 am and sunset at 5:02 pm. On the last day of the month, in Casselman, sunrise is at 7:26 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 3.3h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 3.3h.

What are the months with the lowest UV index in Casselman?

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

What is the UV index intensity in January?

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Casselman, PA

Average temperature in January - Casselman, PA
  • Average high temperature in January: 31.5°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in January: 18.9°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in January
Casselman, PA

Average pressure in January - Casselman, PA
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in January
Casselman, PA

Average wind speed in January - Casselman, PA
  • Average wind speed in January: 10.1mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
Casselman, PA

Average humidity in January - Casselman, PA
  • Average humidity in January: 85%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (79%).

Average rainfall in January
Casselman, PA

Average rainfall in January - Casselman, PA
  • Average rainfall in January: 2.72"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is November (2.09").

Average rainfall days in January
Casselman, PA

Average rainfall days in January - Casselman, PA
  • Average rainfall days in January: 9.4 days

The month with the highest number of rainy days is May (22.8 days).
The month with the least rainy days is January (9.4 days).

Average snowfall in January
Casselman, PA

Average snowfall in January - Casselman, PA
  • Average snowfall in January: 7.44"

The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Casselman, PA

Average snowfall days in January - Casselman, PA
  • Average snowfall days in January: 17.2 days

The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Casselman, 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 2min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in January
Casselman, PA

Average sunshine days in January - Casselman, PA
  • Average sunshine days in January: 7.2 days

The months with the most sunshine days are October and November (12.5 days).
The month with the least sunshine days is May (6.2 days).

Average UV index in January
Casselman, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in January
Casselman, PA

Average cloud cover in January - Casselman, 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 40).

Average visibility in January
Casselman, PA

Average visibility in January - Casselman, PA
  • Average visibility in January: 4mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).

Casselman, Pennsylvania, USA

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