January weather forecast
Sassamansville, PA

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Weather in January

January, like December, in Sassamansville, Pennsylvania, is a wintry winter month, with an average temperature fluctuating between 35.2°F (1.8°C) and 22.8°F (-5.1°C).

Temperature

Sassamansville's January weather, marked by an average high temperature of 35.2°F (1.8°C) and an average low temperature of 22.8°F (-5.1°C), is the coldest in the year.

Humidity

In Sassamansville, the average relative humidity in January is 77%.

Rainfall

The month with the least rainfall is January, when the rain falls for 5.7 days and typically collects 0.87" (22mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Sassamansville, in January, snow falls for 4.8 days, with typically accumulated 1.06" (27mm) of snow. Throughout the year, there are 17 snowfall days, and 5.43" (138mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 41min.
On the first day of the month, sunrise is at 7:25 am and sunset at 4:46 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:18 pm EST.

Sunshine

In January, the average sunshine is 4.7h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the UV index of 2 transforms into the following advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What are the coldest months?

Sassamansville witnesses the coldest weather in January, with temperatures averaging a high of 35.2°F (1.8°C) and a low of 22.8°F (-5.1°C).

How cold is it in January?

In January, in Sassamansville, the average high-temperature is 35.2°F (1.8°C), and the average low-temperature is 22.8°F (-5.1°C).

What is the average humidity in January?

In Sassamansville, the average relative humidity in January is 77%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 5.7 days and accumulates 0.87" (22mm) of precipitation.

How many days does it rain in January in Sassamansville?

In Sassamansville, during January, the rain falls for 5.7 days and regularly aggregates up to 0.87" (22mm) of precipitation.

How much does it snow in January?

In Sassamansville, in January, during 4.8 snowfall days, 1.06" (27mm) of snow is typically 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?

On the first day of January, sunrise is at 7:25 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:18 pm EST.

How many hours of sunshine does Sassamansville have in January?

In Sassamansville, the average sunshine duration in January is 4.7h.

When is the lowest UV index?

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

How high is the UV index in January?

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 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
Sassamansville, PA

Average temperature in January - Sassamansville, PA
  • Average high temperature in January: 35.2°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in January: 22.8°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in January
Sassamansville, PA

Average pressure in January - Sassamansville, 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).

Average wind speed in January
Sassamansville, PA

Average wind speed in January - Sassamansville, PA
  • Average wind speed in January: 7.9mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in January
Sassamansville, PA

Average humidity in January - Sassamansville, PA
  • Average humidity in January: 77%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in January
Sassamansville, PA

Average rainfall in January - Sassamansville, PA
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in January
Sassamansville, PA

Average rainfall days in January - Sassamansville, PA
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).

Average snowfall in January
Sassamansville, PA

Average snowfall in January - Sassamansville, PA
  • Average snowfall in January: 1.06"

The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Sassamansville, PA

Average snowfall days in January - Sassamansville, PA
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in January
Sassamansville, PA

Average sunshine days in January - Sassamansville, PA
  • Average sunshine days in January: 20.7 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in January
Sassamansville, PA

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

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

Average cloud cover in January
Sassamansville, PA

Average cloud cover in January - Sassamansville, PA
  • Average cloud cover in January: 47

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in January
Sassamansville, PA

Average visibility in January - Sassamansville, PA
  • Average visibility in January: 6mi

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

Sassamansville, Pennsylvania, USA

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