January weather forecast
Kirwan Heights, PA

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Weather in January

January, the same as December, is an icy winter month in Kirwan Heights, Pennsylvania, with an average temperature fluctuating between 21°F (-6.1°C) and 33.4°F (0.8°C).

Temperature

January is the coldest month, exhibiting average temperatures of 33.4°F (0.8°C) at the peak and 21°F (-6.1°C) at the base.

Humidity

In Kirwan Heights, Pennsylvania, the average relative humidity in January is 84%.

Rainfall

In Kirwan Heights, in January, it is raining for 7.3 days, with typically 0.71" (18mm) of accumulated precipitation. In Kirwan Heights, Pennsylvania, during the entire year, the rain falls for 132.6 days and collects up to 11.5" (292mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In January, in Kirwan Heights, it is snowing for 9.3 days. Throughout January, 0.83" (21mm) of snow is accumulated. In Kirwan Heights, Pennsylvania, during the entire year, snow falls for 32.5 days and aggregates up to 3.66" (93mm) of snow.

Daylight

In Kirwan Heights, the average length of the day in January is 9h and 41min.
On the first day of the month, sunrise is at 7:43 am and sunset at 5:04 pm. On the last day of January, in Kirwan Heights, sunrise is at 7:30 am and sunset at 5:36 pm EST.

Sunshine

The month with the least sunshine in Kirwan Heights is January, with an average of 3h of sunshine.

UV index

In Kirwan Heights, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: An average UV index of 2 in January transforms into this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Kirwan Heights?

January is the month when Kirwan Heights sees the average lowest temperatures, with a high of 33.4°F (0.8°C) and a low of 21°F (-6.1°C).

How cold is it in Kirwan Heights in January?

The high-temperature, in January, in Kirwan Heights, records 33.4°F (0.8°C), while the low-temperature is 21°F (-6.1°C).

What is the average humidity in January in Kirwan Heights?

In Kirwan Heights, Pennsylvania, the average relative humidity in January is 84%.

How many days does it rain in January in Kirwan Heights?

In Kirwan Heights, in January, during 7.3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

How much does it snow in Kirwan Heights in January?

In January, in Kirwan Heights, Pennsylvania, it is snowing for 9.3 days. Throughout January, 0.83" (21mm) of snow is accumulated.

How many hours of daylight does Kirwan Heights have in January?

The average day length in January in Kirwan Heights is 9h and 41min.

What time are sunrise and sunset in January in Kirwan Heights?

In January, on the first day of the month, sunrise is at 7:43 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:36 pm EST.

What is the month with the least sunshine in Kirwan Heights?

January has the least sunshine of the year in Kirwan Heights, Pennsylvania, with an average of 3h of sunshine.

How long on average sun shines in January in Kirwan Heights?

In Kirwan Heights, the average sunshine duration in January is 3h.

What is the UV index reading in January in Kirwan Heights?

In Kirwan Heights, Pennsylvania, 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
Kirwan Heights, PA

Average temperature in January - Kirwan Heights, PA
  • Average high temperature in January: 33.4°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in January: 21°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in January
Kirwan Heights, PA

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in January
Kirwan Heights, PA

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

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in January
Kirwan Heights, PA

Average humidity in January - Kirwan Heights, PA
  • Average humidity in January: 84%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).

Average rainfall in January
Kirwan Heights, PA

Average rainfall in January - Kirwan Heights, PA
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is November (0.67").

Average rainfall days in January
Kirwan Heights, PA

Average rainfall days in January - Kirwan Heights, PA
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (6.4 days).

Average snowfall in January
Kirwan Heights, PA

Average snowfall in January - Kirwan Heights, PA
  • Average snowfall in January: 0.83"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Kirwan Heights, PA

Average snowfall days in January - Kirwan Heights, PA
  • Average snowfall days in January: 9.3 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Kirwan Heights, PA

Average daylight in January / Average sunshine in January - Kirwan Heights, 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: 3h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in January
Kirwan Heights, PA

Average sunshine days in January - Kirwan Heights, PA
  • Average sunshine days in January: 17.6 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12.2 days).

Average UV index in January
Kirwan Heights, PA

Average UV index in January - Kirwan Heights, PA
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January
Kirwan Heights, PA

Average cloud cover in January - Kirwan Heights, PA
  • Average cloud cover in January: 68

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Kirwan Heights, PA

Average visibility in January - Kirwan Heights, PA
  • Average visibility in January: 5mi

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

Kirwan Heights, Pennsylvania, USA

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