January weather forecast
Sunnybrook, PA

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Weather in January

January, like December, in Sunnybrook, Pennsylvania, is another cold winter month, with an average temperature varying between 36.7°F (2.6°C) and 24.6°F (-4.1°C).

Temperature

Sunnybrook records the coldest temperatures in January, averaging a high of 36.7°F (2.6°C) and a low of 24.6°F (-4.1°C).

Humidity

The average relative humidity in January is 75%.

Rainfall

In Sunnybrook, during January, the rain falls for 6.6 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Sunnybrook, during the entire year, the rain falls for 122.4 days and collects up to 12.68" (322mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In January, it is snowing for 5.1 days. Throughout January, 1.18" (30mm) of snow is accumulated. Throughout the year, there are 16.3 snowfall days, and 4.72" (120mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 43min.
On the first day of January, sunrise is at 7:22 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:17 pm EST.

Sunshine

The average sunshine in January is 5h.

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 of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In January, the maximum UV index of 2 suggests this 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. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

With its average high temperature of 36.7°F (2.6°C) and a low of 24.6°F (-4.1°C), January is regarded as the coldest month.

How cold is January?

The average high-temperature, in January, in Sunnybrook, is 36.7°F (2.6°C), while the average low-temperature is 24.6°F (-4.1°C).

What is the average humidity in January?

In Sunnybrook, the average relative humidity in January is 75%.

How many days does it rain in January?

In Sunnybrook, during January, the rain falls for 6.6 days and regularly aggregates up to 0.83" (21mm) of precipitation.

How many days does it snow in January?

In January, it is snowing for 5.1 days. Throughout January, 1.18" (30mm) of snow is accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 43min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:22 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:17 pm EST.

How many hours of sunshine does Sunnybrook have in January?

In Sunnybrook, the average sunshine duration in January is 5h.

What are the months with the lowest UV index?

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

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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
Sunnybrook, PA

Average temperature in January - Sunnybrook, PA
  • Average high temperature in January: 36.7°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in January: 24.6°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in January
Sunnybrook, PA

Average pressure in January - Sunnybrook, PA
  • Average pressure in January: 30.08"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
Sunnybrook, PA

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

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in January
Sunnybrook, PA

Average humidity in January - Sunnybrook, PA
  • Average humidity in January: 75%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

Average rainfall in January
Sunnybrook, PA

Average rainfall in January - Sunnybrook, PA
  • Average rainfall in January: 0.83"

The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is September (0.75").

Average rainfall days in January
Sunnybrook, PA

Average rainfall days in January - Sunnybrook, PA
  • Average rainfall days in January: 6.6 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (6.4 days).

Average snowfall in January
Sunnybrook, PA

Average snowfall in January - Sunnybrook, PA
  • Average snowfall in January: 1.18"

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

Average snowfall days in January
Sunnybrook, PA

Average snowfall days in January - Sunnybrook, PA
  • Average snowfall days in January: 5.1 days

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Sunnybrook, 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: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Sunnybrook, PA

Average sunshine days in January - Sunnybrook, PA
  • Average sunshine days in January: 21.1 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (14.4 days).

Average UV index in January
Sunnybrook, PA

Average UV index in January - Sunnybrook, 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
Sunnybrook, PA

Average cloud cover in January - Sunnybrook, PA
  • Average cloud cover in January: 45

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in January
Sunnybrook, PA

Average visibility in January - Sunnybrook, 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).

Sunnybrook, Pennsylvania, USA

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