January weather forecastKirwan Heights, PA
January
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 42min
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: 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: 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: 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: 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).





