January weather forecast
Stillwater, PA

Weather in January

January, the same as December, in Stillwater, Pennsylvania, is a freezing cold winter month, with temperature in the range of an average low of 19°F (-7.2°C) and an average high of 31.8°F (-0.1°C).

Temperature

The coldest month is January, with an average high-temperature of 31.8°F (-0.1°C) and an average low-temperature of 19°F (-7.2°C).

Humidity

The average relative humidity in January in Stillwater, Pennsylvania, is 81%.

Rainfall

In Stillwater, it is raining for 9.3 days, with typically 2.44" (62mm) of accumulated precipitation. In Stillwater, during the entire year, the rain falls for 166.3 days and collects up to 31.06" (789mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. January is the month with the most snowfall in Stillwater. Snow falls for 12.9 days and accumulates 5.94" (151mm) of snow.

Daylight

The average length of the day in January in Stillwater, Pennsylvania, is 9h and 37min.
On the first day of January in Stillwater, Pennsylvania, sunrise is at 7:30 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:20 pm EST.

Sunshine

In Stillwater, the average sunshine in January is 3.9h.

UV index

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Stillwater?

With an average high-temperature of 31.8°F (-0.1°C) and an average low-temperature of 19°F (-7.2°C), January is the coldest month in Stillwater.

What is the temperature in January in Stillwater?

The average high-temperature, in January, in Stillwater, is 31.8°F (-0.1°C), while the average low-temperature is 19°F (-7.2°C).

What is the average humidity in January in Stillwater?

In Stillwater, the average relative humidity in January is 81%.

How much does it rain in Stillwater in January?

In Stillwater, during January, the rain falls for 9.3 days and regularly aggregates up to 2.44" (62mm) of precipitation.

What is the snowiest month in Stillwater?

The month with the most snowfall in Stillwater, Pennsylvania, is January, when snow falls for 12.9 days and typically aggregates up to 5.94" (151mm) of snow.

How much does it snow in Stillwater in January?

In January, in Stillwater, Pennsylvania, it is snowing for 12.9 days. Throughout January, 5.94" (151mm) of snow is accumulated.

How many hours of daylight does Stillwater have in January?

In January, the average day length in Stillwater is 9h and 37min.

When are sunrise and sunset in January in Stillwater?

On the first day of January in Stillwater, sunrise is at 7:30 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:20 pm EST.

How long on average sun shines in January in Stillwater?

In Stillwater, the average sunshine duration in January is 3.9h.

How high is the UV index in January in Stillwater?

In Stillwater, Pennsylvania, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Stillwater, PA

Average temperature in January - Stillwater, PA
  • Average high temperature in January: 31.8°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in January: 19°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).

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Average pressure in January
Stillwater, PA

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in January
Stillwater, PA

Average wind speed in January - Stillwater, PA
  • Average wind speed in January: 7.8mph

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in January
Stillwater, PA

Average humidity in January - Stillwater, PA
  • Average humidity in January: 81%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in January
Stillwater, PA

Average rainfall in January - Stillwater, PA
  • Average rainfall in January: 2.44"

The wettest months (with the highest rainfall) are April and May (2.99").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in January
Stillwater, PA

Average rainfall days in January - Stillwater, PA
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall in January
Stillwater, PA

Average snowfall in January - Stillwater, PA
  • Average snowfall in January: 5.94"

The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Stillwater, PA

Average snowfall days in January - Stillwater, PA
  • Average snowfall days in January: 12.9 days

The month with the highest number of snowfall days is January (12.9 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
Stillwater, PA

Average daylight in January / Average sunshine in January - Stillwater, PA
  • Average daylight in January: 9h and 37min

The month with the longest days is June (Average daylight: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 16min).

  • Average sunshine in January: 3h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in January
Stillwater, PA

Average sunshine days in January - Stillwater, PA
  • Average sunshine days in January: 12.8 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.8 days).

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Average UV index in January
Stillwater, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in January
Stillwater, PA

Average cloud cover in January - Stillwater, PA
  • Average cloud cover in January: 57

The months with the most cloud cover are February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).

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Average visibility in January
Stillwater, PA

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

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

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